DC UMN 20241018 version

Reviewed-by: Hajba, László Antal <laszlo-antal.hajba@t-systems.com>
Co-authored-by: fanqinying <fanqinying@huawei.com>
Co-committed-by: fanqinying <fanqinying@huawei.com>
This commit is contained in:
Qin Ying, Fan 2024-11-19 16:51:45 +00:00 committed by zuul
parent 231effec36
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<p id="dc_01_0008__en-us_topic_0000001172399057_p57386149361">With IAM, you can use your account to create IAM users, and assign permissions to the users to control their access to specific resources. For example, some software developers in your enterprise need to use Direct Connect but should not be allowed to delete other Direct Connect resources or perform any other high-risk operations. In this scenario, you can create IAM users for the software developers and grant them only the required permissions.</p>
<p id="dc_01_0008__en-us_topic_0000001172399057_p10590121414461">Skip this part if your account does not require individual IAM users for permissions management.</p>
<p id="dc_01_0008__en-us_topic_0000001172399057_p1966145285811">IAM is free. You pay only for the resources in your account.</p>
<p id="dc_01_0008__en-us_topic_0000001490017126_p8443162610188">For more information, see <a href="https://docs.otc.t-systems.com/identity-access-management/umn/service_overview/what_is_iam.html" target="_blank" rel="noopener noreferrer">IAM Service Overview</a>.</p>
<p id="dc_01_0008__en-us_topic_0000001490017126_p8443162610188">For more information, see <a href="https://docs.otc.t-systems.com/usermanual/iam/iam_01_0026.html" target="_blank" rel="noopener noreferrer">IAM Service Overview</a>.</p>
<div class="section" id="dc_01_0008__en-us_topic_0000001172399057_en-us_topic_0173524723_en-us_topic_0173475706_en-us_topic_0170232209_section13381828152912"><h4 class="sectiontitle">Direct Connect Permissions</h4><p id="dc_01_0008__en-us_topic_0000001172399057_p16170850532">By default, new IAM users do not have any permissions assigned. To assign permissions to these new users, add them to one or more groups, and attach permissions policies or roles to these groups.</p>
<p id="dc_01_0008__en-us_topic_0000001172399057_p1418822013412">Direct Connect is a project-level service deployed and accessed in specific physical regions. To assign permissions to a user group, specify the scope as region-specific projects and select projects for the permissions to take effect. If <strong id="dc_01_0008__en-us_topic_0000001172399057_b427765818146">All projects</strong> is selected, the permissions will take effect for the user group in all region-specific projects. When accessing Direct Connect, the users need to switch to a region where they have been authorized to use this service.</p>
<p id="dc_01_0008__en-us_topic_0000001172399057_p7796192218286">You can grant users permissions by using roles or policies.</p>
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</table>
</div>
</div>
<div class="section" id="dc_01_0008__en-us_topic_0000001172399057_en-us_topic_0173524723_en-us_topic_0173475706_en-us_topic_0170232209_section176871218183512"><h4 class="sectiontitle">Helpful Links</h4><ul id="dc_01_0008__ul18849101317136"><li id="dc_01_0008__li4171429293"><a href="https://docs.otc.t-systems.com/usermanual/iam/iam_01_0026.html" target="_blank" rel="noopener noreferrer">IAM Service Overview</a></li></ul>
<div class="section" id="dc_01_0008__en-us_topic_0000001172399057_en-us_topic_0173524723_en-us_topic_0173475706_en-us_topic_0170232209_section176871218183512"><a name="dc_01_0008__en-us_topic_0000001172399057_en-us_topic_0173524723_en-us_topic_0173475706_en-us_topic_0170232209_section176871218183512"></a><a name="en-us_topic_0000001172399057_en-us_topic_0173524723_en-us_topic_0173475706_en-us_topic_0170232209_section176871218183512"></a><h4 class="sectiontitle">Helpful Links</h4><ul id="dc_01_0008__ul18849101317136"><li id="dc_01_0008__li4171429293"><a href="https://docs.otc.t-systems.com/usermanual/iam/iam_01_0026.html" target="_blank" rel="noopener noreferrer">IAM Service Overview</a></li></ul>
<ul id="dc_01_0008__en-us_topic_0000001172399057_ul134876569267"><li id="dc_01_0008__en-us_topic_0000001172399057_li4487756152612"><a href="dc_03_0901.html">Creating a User and Granting Permissions</a></li></ul>
</div>
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</tr>
<tr id="dc_02_0202__row131741224114611"><td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.3.2.1.2.2.4.1.1 "><p id="dc_02_0202__p817472424617">Bandwidth</p>
</td>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.2.1.2.2.4.1.2 "><p id="dc_02_0202__p13639141552410">Specifies the bandwidth of the connection in the unit of Mbit/s</p>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.2.1.2.2.4.1.2 "><p id="dc_02_0202__p13639141552410">Specifies the bandwidth of the connection, in Mbit/s.</p>
</td>
<td class="cellrowborder" valign="top" width="21%" headers="mcps1.3.3.2.1.2.2.4.1.3 "><p id="dc_02_0202__p106391315112417">100 Mbit/s</p>
</td>
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</table>
</div>
</li><li id="dc_02_0202__li65995768153645"><a name="dc_02_0202__li65995768153645"></a><a name="li65995768153645"></a>Request a connection using any of the following methods:<ul id="dc_02_0202__ul21076724153650"><li id="dc_02_0202__li32823300154244"><a href="https://open-telekom-cloud.com/en/contact" target="_blank" rel="noopener noreferrer">Email us</a> with the title "Applying for Enabling Direct Connect".</li><li id="dc_02_0202__li14315279153650"><a href="https://open-telekom-cloud.com/en/contact" target="_blank" rel="noopener noreferrer">Call us</a> and provide the collected information to our customer service.</li><li id="dc_02_0202__li1365657815373">Contact our sales personnel. Send the collected information to our sales personnel.</li></ul>
</li><li id="dc_02_0202__li4873746174233">Wait for the notification from your account manager or customer service.</li><li id="dc_02_0202__li10717128171012">After the connection is created, log in to the management console.</li><li id="dc_02_0202__li819417199919">In the service list in the upper left corner of the page, choose <strong id="dc_02_0202__b1564012245713">Network</strong> &gt; <strong id="dc_02_0202__b7609133378">Direct Connect</strong>.</li><li id="dc_02_0202__li1291812221378">In the navigation pane on the left, choose <strong id="dc_02_0202__b9348141311176">Direct Connect</strong> &gt; <strong id="dc_02_0202__b3360191316177">Virtual Gateways</strong>.</li><li id="dc_02_0202__li5953329675">In the upper right corner of the <strong id="dc_02_0202__b84235270616142">Virtual Gateways</strong> page, click <strong id="dc_02_0202__b8423527069316">Create Virtual Gateway</strong>.</li><li id="dc_02_0202__li573413501484">Configure the parameters.<div class="fignone" id="dc_02_0202__fig20556163316146"><a name="dc_02_0202__fig20556163316146"></a><a name="fig20556163316146"></a><span class="figcap"><b>Figure 1 </b>Create Virtual Gateway</span><br><span><img id="dc_02_0202__image1611812546599" src="en-us_image_0000001662676706.png"></span></div>
</li><li id="dc_02_0202__li4873746174233">Wait for the notification from your account manager or customer service.</li><li id="dc_02_0202__li10717128171012">Log in to the management console.</li><li id="dc_02_0202__li819417199919">In the service list in the upper left corner of the page, choose <strong id="dc_02_0202__b1564012245713">Network</strong> &gt; <strong id="dc_02_0202__b7609133378">Direct Connect</strong>.</li><li id="dc_02_0202__li102839271191">In the navigation pane on the left, choose <strong id="dc_02_0202__b4643811195514">Direct Connect</strong> &gt; <strong id="dc_02_0202__b15643151118552">Virtual Gateways</strong>.</li><li id="dc_02_0202__li5953329675">In the upper right corner of the <strong id="dc_02_0202__b84235270616142">Virtual Gateways</strong> page, click <strong id="dc_02_0202__b8423527069316">Create Virtual Gateway</strong>.</li><li id="dc_02_0202__li573413501484">Configure the parameters.<div class="fignone" id="dc_02_0202__fig20556163316146"><a name="dc_02_0202__fig20556163316146"></a><a name="fig20556163316146"></a><span class="figcap"><b>Figure 1 </b>Create Virtual Gateway</span><br><span><img id="dc_02_0202__image1611812546599" src="en-us_image_0000001662676706.png"></span></div>
<div class="tablenoborder"><a name="dc_02_0202__table886674631511"></a><a name="table886674631511"></a><table cellpadding="4" cellspacing="0" summary="" id="dc_02_0202__table886674631511" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Parameters for creating a virtual gateway</caption><thead align="left"><tr id="dc_02_0202__row13866154631512"><th align="left" class="cellrowborder" valign="top" width="18%" id="mcps1.3.3.2.8.2.2.4.1.1"><p id="dc_02_0202__p13866174611516"><strong id="dc_02_0202__b13891424141711">Parameter</strong></p>
</th>
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</th>
<th align="left" class="cellrowborder" valign="top" width="60.396039603960396%" id="mcps1.3.3.2.12.2.2.4.1.2"><p id="dc_02_0202__p46377982"><strong id="dc_02_0202__b212135171819">Description</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20.792079207920793%" id="mcps1.3.3.2.12.2.2.4.1.3"><p id="dc_02_0202__p53790913"><strong id="dc_02_0202__b146361619171813">Example Value</strong></p>
<th align="left" class="cellrowborder" valign="top" width="20.792079207920793%" id="mcps1.3.3.2.12.2.2.4.1.3"><p id="dc_02_0202__p53790913"><strong id="dc_02_0202__b2050923838">Example Value</strong></p>
</th>
</tr>
</thead>
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</tr>
<tr id="dc_02_0202__row47697451"><td class="cellrowborder" valign="top" width="18.81188118811881%" headers="mcps1.3.3.2.12.2.2.4.1.1 "><p id="dc_02_0202__p38288340">Connection</p>
</td>
<td class="cellrowborder" valign="top" width="60.396039603960396%" headers="mcps1.3.3.2.12.2.2.4.1.2 "><p id="dc_02_0202__p14347805">Select an available connection.</p>
<td class="cellrowborder" valign="top" width="60.396039603960396%" headers="mcps1.3.3.2.12.2.2.4.1.2 "><p id="dc_02_0202__p14347805">Specifies the connection you use to connect your on-premises data center to the cloud.</p>
</td>
<td class="cellrowborder" valign="top" width="20.792079207920793%" headers="mcps1.3.3.2.12.2.2.4.1.3 "><p id="dc_02_0202__p21321518">dc-123</p>
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<a name="dc_02_0206"></a><a name="dc_02_0206"></a>
<h1 class="topictitle1">Obtaining the Resource ID</h1>
<div id="body0000001358224626"><ol id="dc_02_0206__ol4219888294634"><li id="dc_02_0206__li1411874021614">Log in to the management console.</li><li id="dc_02_0206__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_02_0206__dc_02_0202_b1564012245713">Network</strong> &gt; <strong id="dc_02_0206__dc_02_0202_b7609133378">Direct Connect</strong>.</li><li id="dc_02_0206__li172410129268">In the navigation pane on the left, choose <strong id="dc_02_0206__b337484263220">Direct Connect</strong> &gt; <strong id="dc_02_0206__b193742042123211">Connections</strong>.</li><li id="dc_02_0206__li613617459508">In the connection list, click <span><img id="dc_02_0206__image245841713233" src="en-us_image_0000001408184657.png"></span> on the left of the connection name.</li><li id="dc_02_0206__li13354103254">Click <span><img id="dc_02_0206__image6920205211254" src="en-us_image_0000001358504586.png"></span> on the right of the connection ID to copy it.</li><li id="dc_02_0206__li3592849517131">Paste the copied connection ID to the table of information you need to collect.</li></ol>
<div id="body0000001358224626"><ol id="dc_02_0206__ol4219888294634"><li id="dc_02_0206__li1411874021614">Log in to the management console.</li><li id="dc_02_0206__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_02_0206__b104611549163511">Network</strong> &gt; <strong id="dc_02_0206__b84621349123519">Direct Connect</strong>.</li><li id="dc_02_0206__li172410129268">In the navigation pane on the left, choose <strong id="dc_02_0206__b337484263220">Direct Connect</strong> &gt; <strong id="dc_02_0206__b193742042123211">Connections</strong>.</li><li id="dc_02_0206__li613617459508">In the connection list, click <span><img id="dc_02_0206__image245841713233" src="en-us_image_0000001408184657.png"></span> on the left of the connection name.</li><li id="dc_02_0206__li13354103254">Click <span><img id="dc_02_0206__image6920205211254" src="en-us_image_0000001358504586.png"></span> on the right of the connection ID to copy it.</li><li id="dc_02_0206__li3592849517131">Paste the copied connection ID to the table of information you need to collect.</li></ol>
</div>
<div>
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<h1 class="topictitle1">Viewing a Connection</h1>
<div id="body0000001123464998"><div class="section" id="dc_03_0501__section2490392594350"><h4 class="sectiontitle">Scenarios</h4><p id="dc_03_0501__en-us_topic_0032209467_p43956940104232">After creating a connection, you can view its settings.</p>
</div>
<div class="section" id="dc_03_0501__section15897201552915"><h4 class="sectiontitle">Procedure</h4><ol id="dc_03_0501__ol2765260912026"><li id="dc_03_0501__li1611747131919">Log in to the management console.</li><li id="dc_03_0501__li2526886912026">Click <span><img id="dc_03_0501__en-us_topic_0037026651_image38365736610438" src="en-us_image_0070860784.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_03_0501__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_03_0501__dc_02_0202_b1564012245713">Network</strong> &gt; <strong id="dc_03_0501__dc_02_0202_b7609133378">Direct Connect</strong>.</li><li id="dc_03_0501__li3317680012026">In the navigation pane on the left, choose <strong id="dc_03_0501__b18163411521">Direct Connect</strong> &gt; <strong id="dc_03_0501__b2817124114218">Connections</strong>.</li><li id="dc_03_0501__li3015574912026">In the connection list, click <span><img id="dc_03_0501__image296628812026" src="en-us_image_0000001170144843.png"></span> on the left of the target connection to view its settings.<div class="fignone" id="dc_03_0501__fig73571021353"><span class="figcap"><b>Figure 1 </b>Connection settings</span><br><span><img id="dc_03_0501__image18403157143819" src="en-us_image_0000001123309332.png"></span></div>
<div class="section" id="dc_03_0501__section15897201552915"><h4 class="sectiontitle">Procedure</h4><ol id="dc_03_0501__ol2765260912026"><li id="dc_03_0501__li1611747131919">Log in to the management console.</li><li id="dc_03_0501__li2526886912026">Click <span><img id="dc_03_0501__en-us_topic_0037026651_image38365736610438" src="en-us_image_0070860784.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_03_0501__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_03_0501__dc_02_0206_b104611549163511">Network</strong> &gt; <strong id="dc_03_0501__dc_02_0206_b84621349123519">Direct Connect</strong>.</li><li id="dc_03_0501__li3317680012026">In the navigation pane on the left, choose <strong id="dc_03_0501__b18163411521">Direct Connect</strong> &gt; <strong id="dc_03_0501__b2817124114218">Connections</strong>.</li><li id="dc_03_0501__li3015574912026">In the connection list, click <span><img id="dc_03_0501__image296628812026" src="en-us_image_0000001170144843.png"></span> on the left of the target connection to view its settings.<div class="fignone" id="dc_03_0501__fig73571021353"><span class="figcap"><b>Figure 1 </b>Connection settings</span><br><span><img id="dc_03_0501__image18403157143819" src="en-us_image_0000001123309332.png"></span></div>
</li></ol>
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<h1 class="topictitle1">Modifying a Connection</h1>
<div id="body0000001170144837"><div class="section" id="dc_03_0502__section440113239353"><h4 class="sectiontitle">Scenarios</h4><p id="dc_03_0502__p1343117236358">After creating a connection, you can modify its settings.</p>
</div>
<div class="section" id="dc_03_0502__section4450972211"><h4 class="sectiontitle">Procedure</h4><ol id="dc_03_0502__ol34522071628"><li id="dc_03_0502__li16831119202">Log in to the management console.</li><li id="dc_03_0502__li134539719214">Click <span><img id="dc_03_0502__ia5bd8b09383647d497cef0c58abf9fcd" src="en-us_image_0000001123305174.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_03_0502__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_03_0502__dc_02_0202_b1564012245713">Network</strong> &gt; <strong id="dc_03_0502__dc_02_0202_b7609133378">Direct Connect</strong>.</li><li id="dc_03_0502__li164611272213">In the navigation pane on the left, choose <strong id="dc_03_0502__b7203334539">Direct Connect</strong> &gt; <strong id="dc_03_0502__b10215134536">Connections</strong>.</li><li id="dc_03_0502__li12462671422">In the connection list, locate the target connection and click <strong id="dc_03_0502__b842352706161138">Modify</strong> under <strong id="dc_03_0502__b842352706161141">Operation</strong>.</li><li id="dc_03_0502__li5463576213">Modify its name, bandwidth, peering position, or description as prompted.<div class="fignone" id="dc_03_0502__fig5461183292217"><span class="figcap"><b>Figure 1 </b>Modifying a connection</span><br><span><img id="dc_03_0502__image19976172614407" src="en-us_image_0000001123470194.png"></span></div>
<div class="section" id="dc_03_0502__section4450972211"><h4 class="sectiontitle">Procedure</h4><ol id="dc_03_0502__ol34522071628"><li id="dc_03_0502__li16831119202">Log in to the management console.</li><li id="dc_03_0502__li134539719214">Click <span><img id="dc_03_0502__ia5bd8b09383647d497cef0c58abf9fcd" src="en-us_image_0000001123305174.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_03_0502__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_03_0502__dc_02_0206_b104611549163511">Network</strong> &gt; <strong id="dc_03_0502__dc_02_0206_b84621349123519">Direct Connect</strong>.</li><li id="dc_03_0502__li164611272213">In the navigation pane on the left, choose <strong id="dc_03_0502__b7203334539">Direct Connect</strong> &gt; <strong id="dc_03_0502__b10215134536">Connections</strong>.</li><li id="dc_03_0502__li12462671422">In the connection list, locate the target connection and click <strong id="dc_03_0502__b842352706161138">Modify</strong> under <strong id="dc_03_0502__b842352706161141">Operation</strong>.</li><li id="dc_03_0502__li5463576213">Modify its name, bandwidth, peering position, or description as prompted.<div class="fignone" id="dc_03_0502__fig5461183292217"><span class="figcap"><b>Figure 1 </b>Modifying a connection</span><br><span><img id="dc_03_0502__image19976172614407" src="en-us_image_0000001123470194.png"></span></div>
</li><li id="dc_03_0502__li546937523">Click <strong id="dc_03_0502__b842352706161833">OK</strong>.</li></ol>
</div>
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<h1 class="topictitle1">Viewing a Virtual Gateway</h1>
<div id="body0000001123465000"><div class="section" id="dc_03_0701__section2490392594350"><a name="dc_03_0701__section2490392594350"></a><a name="section2490392594350"></a><h4 class="sectiontitle">Scenarios</h4><p id="dc_03_0701__en-us_topic_0032209467_p43956940104232">After a virtual gateway is created, you can view its settings such as the VPC or enterprise router that it is attached to.</p>
</div>
<div class="section" id="dc_03_0701__section15897201552915"><h4 class="sectiontitle">Procedure</h4><ol id="dc_03_0701__ol2765260912026"><li id="dc_03_0701__li9071332018">Log in to the management console.</li><li id="dc_03_0701__li2526886912026">Click <span><img id="dc_03_0701__en-us_topic_0037026651_image38365736610438" src="en-us_image_0070860784.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_03_0701__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_03_0701__dc_02_0202_b1564012245713">Network</strong> &gt; <strong id="dc_03_0701__dc_02_0202_b7609133378">Direct Connect</strong>.</li><li id="dc_03_0701__li2669659412026">In the navigation pane on the left, choose <strong id="dc_03_0701__b1395234086">Direct Connect</strong> &gt; <strong id="dc_03_0701__b9963341088">Virtual Gateways</strong>.</li><li id="dc_03_0701__li3894275612026"><a name="dc_03_0701__li3894275612026"></a><a name="li3894275612026"></a>In the virtual gateway list, click <span><img id="dc_03_0701__image1494048712026" src="en-us_image_0000001123465006.png"></span> on the left of the target virtual gateway to view its settings.<ul id="dc_03_0701__ul135221412118"><li id="dc_03_0701__li143521314141112">View the virtual gateway that is attached to a VPC.<div class="fignone" id="dc_03_0701__fig1363144312914"><span class="figcap"><b>Figure 1 </b>Viewing a virtual gateway that is attached to a VPC</span><br><span><img id="dc_03_0701__image15547155031211" src="en-us_image_0000001662937048.png"></span></div>
<div class="section" id="dc_03_0701__section15897201552915"><h4 class="sectiontitle">Procedure</h4><ol id="dc_03_0701__ol2765260912026"><li id="dc_03_0701__li9071332018">Log in to the management console.</li><li id="dc_03_0701__li2526886912026">Click <span><img id="dc_03_0701__en-us_topic_0037026651_image38365736610438" src="en-us_image_0070860784.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_03_0701__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_03_0701__dc_02_0206_b104611549163511">Network</strong> &gt; <strong id="dc_03_0701__dc_02_0206_b84621349123519">Direct Connect</strong>.</li><li id="dc_03_0701__li2669659412026">In the navigation pane on the left, choose <strong id="dc_03_0701__b1395234086">Direct Connect</strong> &gt; <strong id="dc_03_0701__b9963341088">Virtual Gateways</strong>.</li><li id="dc_03_0701__li3894275612026"><a name="dc_03_0701__li3894275612026"></a><a name="li3894275612026"></a>In the virtual gateway list, click <span><img id="dc_03_0701__image1494048712026" src="en-us_image_0000001123465006.png"></span> on the left of the target virtual gateway to view its settings.<ul id="dc_03_0701__ul135221412118"><li id="dc_03_0701__li143521314141112">View the virtual gateway that is attached to a VPC.<div class="fignone" id="dc_03_0701__fig1363144312914"><span class="figcap"><b>Figure 1 </b>Viewing a virtual gateway that is attached to a VPC</span><br><span><img id="dc_03_0701__image15547155031211" src="en-us_image_0000001662937048.png"></span></div>
</li></ul>
<ul id="dc_03_0701__ul10793121615112"><li id="dc_03_0701__li6793151681112">View the virtual gateway that is attached to an enterprise router.<div class="fignone" id="dc_03_0701__fig1544419135355"><a name="dc_03_0701__fig1544419135355"></a><a name="fig1544419135355"></a><span class="figcap"><b>Figure 2 </b>Viewing a virtual gateway that is attached to an enterprise router</span><br><span><img id="dc_03_0701__image14581521342" src="en-us_image_0000001648400000.png"></span></div>
</li></ul>

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<h1 class="topictitle1">Modifying a Virtual Gateway</h1>
<div id="body0000001170144841"><div class="section" id="dc_03_0702__section440113239353"><h4 class="sectiontitle">Scenarios</h4><p id="dc_03_0702__p1343117236358">After creating a virtual gateway, you can modify its settings.</p>
</div>
<div class="section" id="dc_03_0702__section4450972211"><h4 class="sectiontitle">Procedure</h4><ol id="dc_03_0702__ol34522071628"><li id="dc_03_0702__li157911221202">Log in to the management console.</li><li id="dc_03_0702__li134539719214">Click <span><img id="dc_03_0702__ia5bd8b09383647d497cef0c58abf9fcd" src="en-us_image_0000001169984961.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_03_0702__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_03_0702__dc_02_0202_b1564012245713">Network</strong> &gt; <strong id="dc_03_0702__dc_02_0202_b7609133378">Direct Connect</strong>.</li><li id="dc_03_0702__li14697715217">In the navigation pane on the left, choose <strong id="dc_03_0702__b194871741394">Direct Connect</strong> &gt; <strong id="dc_03_0702__b114881741792">Virtual Gateways</strong>.</li><li id="dc_03_0702__li84751477215"><a name="dc_03_0702__li84751477215"></a><a name="li84751477215"></a>In the virtual gateway list, locate the target virtual gateway and click <strong id="dc_03_0702__b84235270616938">Modify</strong> under <strong id="dc_03_0702__b84235270616940">Operation</strong>.<ul id="dc_03_0702__ul28574419412"><li id="dc_03_0702__li0571551134114">If the virtual gateway is attached to a VPC, you can modify <strong id="dc_03_0702__b2638133982114">Name</strong>, <strong id="dc_03_0702__b13464455216">Local Subnet</strong>, and <strong id="dc_03_0702__b94382049132120">Description</strong> of the virtual gateway.<div class="fignone" id="dc_03_0702__fig65721651134112"><span class="figcap"><b>Figure 1 </b>Modifying a virtual gateway that is attached to a VPC</span><br><span><img id="dc_03_0702__image1379317134314" src="en-us_image_0000001710875017.png"></span></div>
<div class="section" id="dc_03_0702__section4450972211"><h4 class="sectiontitle">Procedure</h4><ol id="dc_03_0702__ol34522071628"><li id="dc_03_0702__li157911221202">Log in to the management console.</li><li id="dc_03_0702__li134539719214">Click <span><img id="dc_03_0702__ia5bd8b09383647d497cef0c58abf9fcd" src="en-us_image_0000001169984961.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_03_0702__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_03_0702__dc_02_0206_b104611549163511">Network</strong> &gt; <strong id="dc_03_0702__dc_02_0206_b84621349123519">Direct Connect</strong>.</li><li id="dc_03_0702__li14697715217">In the navigation pane on the left, choose <strong id="dc_03_0702__b194871741394">Direct Connect</strong> &gt; <strong id="dc_03_0702__b114881741792">Virtual Gateways</strong>.</li><li id="dc_03_0702__li84751477215"><a name="dc_03_0702__li84751477215"></a><a name="li84751477215"></a>In the virtual gateway list, locate the target virtual gateway and click <strong id="dc_03_0702__b84235270616938">Modify</strong> under <strong id="dc_03_0702__b84235270616940">Operation</strong>.<ul id="dc_03_0702__ul28574419412"><li id="dc_03_0702__li0571551134114">If the virtual gateway is attached to a VPC, you can modify <strong id="dc_03_0702__b2638133982114">Name</strong>, <strong id="dc_03_0702__b13464455216">Local Subnet</strong>, and <strong id="dc_03_0702__b94382049132120">Description</strong> of the virtual gateway.<div class="fignone" id="dc_03_0702__fig65721651134112"><span class="figcap"><b>Figure 1 </b>Modifying a virtual gateway that is attached to a VPC</span><br><span><img id="dc_03_0702__image1379317134314" src="en-us_image_0000001710875017.png"></span></div>
</li><li id="dc_03_0702__li15268124744110">If the virtual gateway is attached to an enterprise router, you can modify <strong id="dc_03_0702__b3262152102218">Name</strong> and <strong id="dc_03_0702__b1330155202219">Description</strong> of the virtual gateway.<div class="fignone" id="dc_03_0702__fig154761071127"><a name="dc_03_0702__fig154761071127"></a><a name="fig154761071127"></a><span class="figcap"><b>Figure 2 </b>Modifying a virtual gateway that is attached to an enterprise router</span><br><span><img id="dc_03_0702__image311695513223" src="en-us_image_0000001696899493.png"></span></div>
</li></ul>
</li><li id="dc_03_0702__li7478871927">Click <strong id="dc_03_0702__b8423527069826">OK</strong>.</li></ol>

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<h1 class="topictitle1">Deleting a Virtual Gateway</h1>
<div id="body0000001170144835"><div class="section" id="dc_03_0703__section67011077"><h4 class="sectiontitle">Scenarios</h4><p class="msonormal" id="dc_03_0703__p41449216">If you do not need a virtual gateway, you can delete it. Before the deletion, you need to delete the virtual interface associated with it.</p>
</div>
<div class="section" id="dc_03_0703__section66228782"><h4 class="sectiontitle">Procedure</h4><ol id="dc_03_0703__ol1943308"><li id="dc_03_0703__li157911221202">Log in to the management console.</li><li id="dc_03_0703__li134539719214">Click <span><img id="dc_03_0703__ia5bd8b09383647d497cef0c58abf9fcd" src="en-us_image_0000001170210901.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_03_0703__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_03_0703__dc_02_0202_b1564012245713">Network</strong> &gt; <strong id="dc_03_0703__dc_02_0202_b7609133378">Direct Connect</strong>.</li><li id="dc_03_0703__en-us_topic_0013748707_li129756375273">In the navigation pane on the left, choose <strong id="dc_03_0703__b482519519105">Direct Connect</strong> &gt; <strong id="dc_03_0703__b4825175111015">Virtual Gateways</strong>.</li><li id="dc_03_0703__li14833111415325">In the virtual gateway list, locate the target virtual gateway and click <strong id="dc_03_0703__b57261334162013">Delete</strong> under <strong id="dc_03_0703__b49381038142014">Operation</strong>.<div class="fignone" id="dc_03_0703__fig18611164283413"><a name="dc_03_0703__fig18611164283413"></a><a name="fig18611164283413"></a><span class="figcap"><b>Figure 1 </b>Deleting a virtual gateway</span><br><span><img id="dc_03_0703__image6627649162413" src="en-us_image_0000001696901461.png"></span></div>
<div class="section" id="dc_03_0703__section66228782"><h4 class="sectiontitle">Procedure</h4><ol id="dc_03_0703__ol1943308"><li id="dc_03_0703__li157911221202">Log in to the management console.</li><li id="dc_03_0703__li134539719214">Click <span><img id="dc_03_0703__ia5bd8b09383647d497cef0c58abf9fcd" src="en-us_image_0000001170210901.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_03_0703__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_03_0703__dc_02_0206_b104611549163511">Network</strong> &gt; <strong id="dc_03_0703__dc_02_0206_b84621349123519">Direct Connect</strong>.</li><li id="dc_03_0703__en-us_topic_0013748707_li129756375273">In the navigation pane on the left, choose <strong id="dc_03_0703__b482519519105">Direct Connect</strong> &gt; <strong id="dc_03_0703__b4825175111015">Virtual Gateways</strong>.</li><li id="dc_03_0703__li14833111415325">In the virtual gateway list, locate the target virtual gateway and click <strong id="dc_03_0703__b57261334162013">Delete</strong> under <strong id="dc_03_0703__b49381038142014">Operation</strong>.<div class="fignone" id="dc_03_0703__fig18611164283413"><a name="dc_03_0703__fig18611164283413"></a><a name="fig18611164283413"></a><span class="figcap"><b>Figure 1 </b>Deleting a virtual gateway</span><br><span><img id="dc_03_0703__image6627649162413" src="en-us_image_0000001696901461.png"></span></div>
</li><li id="dc_03_0703__li61393608">Click <strong id="dc_03_0703__b457946131215">Yes</strong>.</li></ol>
</div>
</div>

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<h1 class="topictitle1">Viewing a Virtual Interface</h1>
<div id="body0000001123305172"><div class="section" id="dc_03_0801__section2490392594350"><h4 class="sectiontitle">Scenarios</h4><p id="dc_03_0801__en-us_topic_0032209467_p43956940104232">After creating a virtual interface, you can view its settings.</p>
</div>
<div class="section" id="dc_03_0801__section15897201552915"><h4 class="sectiontitle">Procedure</h4><ol id="dc_03_0801__ol2765260912026"><li id="dc_03_0801__li1180983415203">Log in to the management console.</li><li id="dc_03_0801__li2526886912026">Click <span><img id="dc_03_0801__en-us_topic_0037026651_image38365736610438" src="en-us_image_0070860784.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_03_0801__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_03_0801__dc_02_0202_b1564012245713">Network</strong> &gt; <strong id="dc_03_0801__dc_02_0202_b7609133378">Direct Connect</strong>.</li><li id="dc_03_0801__li24666112026">In the navigation pane on the left, choose <strong id="dc_03_0801__b313211121310">Direct Connect</strong> &gt; <strong id="dc_03_0801__b113291141312">Virtual Interfaces</strong>.</li><li id="dc_03_0801__li221994912026">In the virtual interface list, click <span><img id="dc_03_0801__image1997954612026" src="en-us_image_0000001123465010.png"></span> on the left of the target virtual interface to view its settings.<div class="fignone" id="dc_03_0801__fig132112223520"><span class="figcap"><b>Figure 1 </b>Virtual interface settings</span><br><span><img id="dc_03_0801__image5588124493012" src="en-us_image_0000001123689886.png"></span></div>
<div class="section" id="dc_03_0801__section15897201552915"><h4 class="sectiontitle">Procedure</h4><ol id="dc_03_0801__ol2765260912026"><li id="dc_03_0801__li1180983415203">Log in to the management console.</li><li id="dc_03_0801__li2526886912026">Click <span><img id="dc_03_0801__en-us_topic_0037026651_image38365736610438" src="en-us_image_0070860784.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_03_0801__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_03_0801__dc_02_0206_b104611549163511">Network</strong> &gt; <strong id="dc_03_0801__dc_02_0206_b84621349123519">Direct Connect</strong>.</li><li id="dc_03_0801__li24666112026">In the navigation pane on the left, choose <strong id="dc_03_0801__b313211121310">Direct Connect</strong> &gt; <strong id="dc_03_0801__b113291141312">Virtual Interfaces</strong>.</li><li id="dc_03_0801__li221994912026">In the virtual interface list, click <span><img id="dc_03_0801__image1997954612026" src="en-us_image_0000001123465010.png"></span> on the left of the target virtual interface to view its settings.<div class="fignone" id="dc_03_0801__fig132112223520"><span class="figcap"><b>Figure 1 </b>Virtual interface settings</span><br><span><img id="dc_03_0801__image5588124493012" src="en-us_image_0000001123689886.png"></span></div>
</li></ol>
</div>
</div>

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<h1 class="topictitle1">Modifying a Virtual Interface</h1>
<div id="body0000001123465002"><div class="section" id="dc_03_0802__section440113239353"><h4 class="sectiontitle">Scenarios</h4><p id="dc_03_0802__p1343117236358">After creating a virtual interface, you can modify its settings.</p>
</div>
<div class="section" id="dc_03_0802__section4450972211"><h4 class="sectiontitle">Procedure</h4><ol id="dc_03_0802__ol34522071628"><li id="dc_03_0802__li153371144142013">Log in to the management console.</li><li id="dc_03_0802__li134539719214">Click <span><img id="dc_03_0802__ia5bd8b09383647d497cef0c58abf9fcd" src="en-us_image_0000001169984963.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_03_0802__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_03_0802__dc_02_0202_b1564012245713">Network</strong> &gt; <strong id="dc_03_0802__dc_02_0202_b7609133378">Direct Connect</strong>.</li><li id="dc_03_0802__li1247819711211">In the navigation pane on the left, choose <strong id="dc_03_0802__b28065592138">Direct Connect</strong> &gt; <strong id="dc_03_0802__b208071559191310">Virtual Interfaces</strong>.</li><li id="dc_03_0802__li14781871821">In the virtual interface list, locate the target virtual interface and click <strong id="dc_03_0802__b84235270616938">Modify</strong> under <strong id="dc_03_0802__b84235270616940">Operation</strong>.</li><li id="dc_03_0802__li154795714217">Modify its name, remote subnet, or description as prompted.<div class="fignone" id="dc_03_0802__fig16481472028"><span class="figcap"><b>Figure 1 </b>Modifying a virtual interface</span><br><span><img id="dc_03_0802__image1691841103213" src="en-us_image_0000001170210015.png"></span></div>
<div class="section" id="dc_03_0802__section4450972211"><h4 class="sectiontitle">Procedure</h4><ol id="dc_03_0802__ol34522071628"><li id="dc_03_0802__li153371144142013">Log in to the management console.</li><li id="dc_03_0802__li134539719214">Click <span><img id="dc_03_0802__ia5bd8b09383647d497cef0c58abf9fcd" src="en-us_image_0000001169984963.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_03_0802__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_03_0802__dc_02_0206_b104611549163511">Network</strong> &gt; <strong id="dc_03_0802__dc_02_0206_b84621349123519">Direct Connect</strong>.</li><li id="dc_03_0802__li1247819711211">In the navigation pane on the left, choose <strong id="dc_03_0802__b28065592138">Direct Connect</strong> &gt; <strong id="dc_03_0802__b208071559191310">Virtual Interfaces</strong>.</li><li id="dc_03_0802__li14781871821">In the virtual interface list, locate the target virtual interface and click <strong id="dc_03_0802__b84235270616938">Modify</strong> under <strong id="dc_03_0802__b84235270616940">Operation</strong>.</li><li id="dc_03_0802__li154795714217">Modify its name, remote subnet, or description as prompted.<div class="fignone" id="dc_03_0802__fig16481472028"><span class="figcap"><b>Figure 1 </b>Modifying a virtual interface</span><br><span><img id="dc_03_0802__image1691841103213" src="en-us_image_0000001170210015.png"></span></div>
</li><li id="dc_03_0802__li64821471215">Click <strong id="dc_03_0802__b8423527069826">OK</strong>.</li></ol>
</div>
</div>

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<h1 class="topictitle1">Deleting a Virtual Interface</h1>
<div id="body0000001169984951"><div class="section" id="dc_03_0803__section61171222"><h4 class="sectiontitle">Scenarios</h4><p class="msonormal" id="dc_03_0803__p19775388">If you do not need a virtual interface, you can delete it.</p>
</div>
<div class="section" id="dc_03_0803__section13670090"><h4 class="sectiontitle">Procedure</h4><ol id="dc_03_0803__ol58302556"><li id="dc_03_0803__li153371144142013">Log in to the management console.</li><li id="dc_03_0803__li134539719214">Click <span><img id="dc_03_0803__ia5bd8b09383647d497cef0c58abf9fcd" src="en-us_image_0000001123691058.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_03_0803__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_03_0803__dc_02_0202_b1564012245713">Network</strong> &gt; <strong id="dc_03_0803__dc_02_0202_b7609133378">Direct Connect</strong>.</li><li id="dc_03_0803__en-us_topic_0013748707_li129756375273">In the navigation pane on the left, choose <strong id="dc_03_0803__b050517483143">Direct Connect</strong> &gt; <strong id="dc_03_0803__b17505134817147">Virtual Interfaces</strong>.</li><li id="dc_03_0803__li2546153">In the virtual interface list, locate the target virtual interface and click <strong id="dc_03_0803__b19924403258">Delete</strong> under <strong id="dc_03_0803__b1392570192517">Operation</strong>.</li><li id="dc_03_0803__li270410573332">Click <strong id="dc_03_0803__b81403014159">Yes</strong>.<div class="fignone" id="dc_03_0803__fig2502175220342"><span class="figcap"><b>Figure 1 </b>Deleting a virtual interface</span><br><span><img id="dc_03_0803__image3888104113316" src="en-us_image_0000001123690320.png"></span></div>
<div class="section" id="dc_03_0803__section13670090"><h4 class="sectiontitle">Procedure</h4><ol id="dc_03_0803__ol58302556"><li id="dc_03_0803__li153371144142013">Log in to the management console.</li><li id="dc_03_0803__li134539719214">Click <span><img id="dc_03_0803__ia5bd8b09383647d497cef0c58abf9fcd" src="en-us_image_0000001123691058.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_03_0803__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_03_0803__dc_02_0206_b104611549163511">Network</strong> &gt; <strong id="dc_03_0803__dc_02_0206_b84621349123519">Direct Connect</strong>.</li><li id="dc_03_0803__en-us_topic_0013748707_li129756375273">In the navigation pane on the left, choose <strong id="dc_03_0803__b050517483143">Direct Connect</strong> &gt; <strong id="dc_03_0803__b17505134817147">Virtual Interfaces</strong>.</li><li id="dc_03_0803__li2546153">In the virtual interface list, locate the target virtual interface and click <strong id="dc_03_0803__b19924403258">Delete</strong> under <strong id="dc_03_0803__b1392570192517">Operation</strong>.</li><li id="dc_03_0803__li270410573332">Click <strong id="dc_03_0803__b81403014159">Yes</strong>.<div class="fignone" id="dc_03_0803__fig2502175220342"><span class="figcap"><b>Figure 1 </b>Deleting a virtual interface</span><br><span><img id="dc_03_0803__image3888104113316" src="en-us_image_0000001123690320.png"></span></div>
</li></ol>
</div>
</div>

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<a name="dc_03_0901"></a><a name="dc_03_0901"></a>
<h1 class="topictitle1">Creating a User and Granting Permissions</h1>
<div id="body8662426"><p id="dc_03_0901__en-us_topic_0000001082024069_p3525192874519">Use <a href="https://docs.otc.t-systems.com/identity-access-management/umn/service_overview/what_is_iam.html" target="_blank" rel="noopener noreferrer">IAM</a> for fine-grained permissions control over your resources. With IAM, you can:</p>
<div id="body8662426"><p id="dc_03_0901__en-us_topic_0000001082024069_p3525192874519">Use <a href="https://docs.otc.t-systems.com/usermanual/iam/iam_01_0026.html" target="_blank" rel="noopener noreferrer">IAM</a> for fine-grained permissions control over your resources. With IAM, you can:</p>
<ul id="dc_03_0901__en-us_topic_0000001082024069_ul10181544819"><li id="dc_03_0901__en-us_topic_0000001082024069_li15349173754610">Create IAM users for employees based on the organizational structure of your enterprise. Each IAM user has their own security credentials, providing access to cloud resources.</li><li id="dc_03_0901__en-us_topic_0000001082024069_li17350173715460">Grant only the permissions required for users to perform a specific task.</li><li id="dc_03_0901__en-us_topic_0000001082024069_li1618754482">Entrust another account or cloud service to perform professional and efficient O&amp;M on your cloud resources.</li></ul>
<p id="dc_03_0901__en-us_topic_0000001082024069_p8413121644716">Skip this part if your account does not require individual IAM users.</p>
<p id="dc_03_0901__en-us_topic_0000001082024069_p13407105754713">The following is the procedure for granting permissions.</p>
<div class="section" id="dc_03_0901__en-us_topic_0000001082024069_section149731733152219"><h4 class="sectiontitle">Prerequisites</h4><p id="dc_03_0901__en-us_topic_0000001082024069_p107331754719">Before assigning permissions to user groups, you should learn about Direct Connect system policies and select the policies based on service requirements. For details about system-defined permissions of Direct Connect, see <a href="dc_01_0008.html">Permissions</a>. For system-defined permissions of other cloud services, see <a href="https://docs.otc.t-systems.com/additional/permissions.html" target="_blank" rel="noopener noreferrer">Permissions</a>.</p>
<div class="section" id="dc_03_0901__en-us_topic_0000001082024069_section149731733152219"><h4 class="sectiontitle">Prerequisites</h4><p id="dc_03_0901__en-us_topic_0000001082024069_p107331754719">Before assigning permissions to user groups, you should learn about Direct Connect system policies and select the policies based on service requirements. For details about system-defined permissions of Direct Connect, see <a href="dc_01_0008.html">Permissions</a>. For system-defined permissions of other cloud services, see <a href="https://docs.otc.t-systems.com/permissions/index.html" target="_blank" rel="noopener noreferrer">Permissions</a>.</p>
</div>
<div class="section" id="dc_03_0901__en-us_topic_0000001082024069_section197617372174"><h4 class="sectiontitle">Process Flow</h4><div class="fignone" id="dc_03_0901__en-us_topic_0000001082024069_fig1447123814172"><span class="figcap"><b>Figure 1 </b>Process for granting Direct Connect permissions</span><br><span><img id="dc_03_0901__en-us_topic_0000001082024069_image1244723814172" src="en-us_image_0000001562084113.jpg"></span></div>
<ol id="dc_03_0901__en-us_topic_0000001082024069_ol15447153801718"><li id="dc_03_0901__li1140112579375"><a name="dc_03_0901__li1140112579375"></a><a name="li1140112579375"></a><a href="https://docs.otc.t-systems.com/identity-access-management/umn/getting_started/creating_a_user_group_and_assigning_permissions.html" target="_blank" rel="noopener noreferrer">Create a user group and assign permissions</a>.<p id="dc_03_0901__p34014574372">Create a user group on the IAM console and assign the <strong id="dc_03_0901__b107904661411">DCAAS ReadOnlyAccess</strong> policy to the group.</p>
</li><li id="dc_03_0901__li361517462916"><a href="https://docs.otc.t-systems.com/identity-access-management/umn/getting_started/creating_a_user_and_adding_the_user_to_a_user_group.html" target="_blank" rel="noopener noreferrer">Create a user and add the user to the user group</a><p id="dc_03_0901__en-us_topic_0000001082024069_p94477384175">Create a user on the IAM console and add the user to the group created in <a href="#dc_03_0901__li1140112579375">1</a>.</p>
</li><li id="dc_03_0901__en-us_topic_0000001082024069_li1444753881716"><a href="https://docs.otc.t-systems.com/identity-access-management/umn/getting_started/logging_in_as_a_user.html" target="_blank" rel="noopener noreferrer">Log in to the management console as the created user</a>.<p id="dc_03_0901__en-us_topic_0000001082024069_p471616471318">Switch to the authorized region and verify the permissions.</p>
<ol id="dc_03_0901__en-us_topic_0000001082024069_ol15447153801718"><li id="dc_03_0901__li1140112579375"><a name="dc_03_0901__li1140112579375"></a><a name="li1140112579375"></a><a href="https://docs.otc.t-systems.com/usermanual/iam/iam_01_0030.html" target="_blank" rel="noopener noreferrer">Create a user group and assign permissions</a>.<p id="dc_03_0901__p34014574372">Create a user group on the IAM console and assign the <strong id="dc_03_0901__b107904661411">DCAAS ReadOnlyAccess</strong> policy to the group.</p>
</li><li id="dc_03_0901__li361517462916"><a href="https://docs.otc.t-systems.com/usermanual/iam/iam_01_0031.html" target="_blank" rel="noopener noreferrer">Create a user and add the user to the user group</a><p id="dc_03_0901__en-us_topic_0000001082024069_p94477384175">Create a user on the IAM console and add the user to the group created in <a href="#dc_03_0901__li1140112579375">1</a>.</p>
</li><li id="dc_03_0901__en-us_topic_0000001082024069_li1444753881716"><a href="https://docs.otc.t-systems.com/usermanual/iam/iam_01_0032.html" target="_blank" rel="noopener noreferrer">Log in to the management console as the created user</a>.<p id="dc_03_0901__en-us_topic_0000001082024069_p471616471318">Switch to the authorized region and verify the permissions.</p>
<ul id="dc_03_0901__en-us_topic_0000001082024069_ul271842718415"><li id="dc_03_0901__en-us_topic_0000001082024069_li36639366570">Choose <strong id="dc_03_0901__b144617591633">Service List</strong> &gt; <strong id="dc_03_0901__b1521919216414">Network</strong> &gt; <strong id="dc_03_0901__b63836512410">Direct Connect</strong>. On the <strong id="dc_03_0901__b52814151942">Connections</strong> page, select a connection and click <strong id="dc_03_0901__b187382219418">Modify</strong> in the <strong id="dc_03_0901__b15409202512414">Operation</strong> column to modify the connection. If the connection cannot be modified, <strong id="dc_03_0901__b888314420410">DCAAS ReadOnlyAccess</strong> has taken effect.</li><li id="dc_03_0901__en-us_topic_0000001082024069_li146631936105719">Choose any other service in <strong id="dc_03_0901__en-us_topic_0000001082024069_b2876192222514">Service List</strong>. If a message appears indicating that you have insufficient permissions to access the service, the <strong id="dc_03_0901__en-us_topic_0000001082024069_b207951944172512">DCAAS ReadOnlyAccess</strong> policy has already taken effect.</li></ul>
</li></ol>
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<div id="body8662426"><p id="dc_04_0902__en-us_topic_0000001126412674_p188731016112412">Custom policies can be created to supplement the system-defined policies of Direct Connect.</p>
<p id="dc_04_0902__en-us_topic_0000001126412674_p2096715716469">You can create custom policies in either of the following ways:</p>
<ul id="dc_04_0902__en-us_topic_0000001126412674_ul169673794612"><li id="dc_04_0902__en-us_topic_0000001126412674_en-us_topic_0171307069_li5764181518386">Visual editor: Select cloud services, actions, resources, and request conditions. This does not require knowledge of policy syntax.</li><li id="dc_04_0902__en-us_topic_0000001126412674_en-us_topic_0171307069_li546410135389">JSON: Edit JSON policies from scratch or based on an existing policy.</li></ul>
<p id="dc_04_0902__p6979983412">For details about how to create custom policies, see <a href="https://docs.otc.t-systems.com/identity-access-management/umn/user_guide/fine-grained_policy_management/creating_a_custom_policy.html" target="_blank" rel="noopener noreferrer">Creating a Custom Policy</a>. The following section contains examples of common Direct Connect custom policies.</p>
<p id="dc_04_0902__p6979983412">For details about how to create custom policies, see <a href="https://docs.otc.t-systems.com/usermanual/iam/iam_01_0016.html" target="_blank" rel="noopener noreferrer">Creating a Custom Policy</a>. The following section contains examples of common Direct Connect custom policies.</p>
<div class="section" id="dc_04_0902__en-us_topic_0000001126412674_section3496952134619"><h4 class="sectiontitle">Example Custom Policies</h4><ul id="dc_04_0902__en-us_topic_0000001126412674_ul330092084719"><li id="dc_04_0902__en-us_topic_0000001126412674_li157994810234">Example 1: Allowing users to update a virtual gateway<pre class="screen" id="dc_04_0902__en-us_topic_0000001126412674_screen13635532133816">{
"Version": "1.1",
"Statement": [

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</tr>
<tr id="dc_04_1611__dc_02_0202_row131741224114611"><td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.2.2.1.2.2.4.1.1 "><p id="dc_04_1611__dc_02_0202_p817472424617">Bandwidth</p>
</td>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.2.2.1.2.2.4.1.2 "><p id="dc_04_1611__dc_02_0202_p13639141552410">Specifies the bandwidth of the connection in the unit of Mbit/s</p>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.2.2.1.2.2.4.1.2 "><p id="dc_04_1611__dc_02_0202_p13639141552410">Specifies the bandwidth of the connection, in Mbit/s.</p>
</td>
<td class="cellrowborder" valign="top" width="21%" headers="mcps1.3.2.2.1.2.2.4.1.3 "><p id="dc_04_1611__dc_02_0202_p106391315112417">100 Mbit/s</p>
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<h1 class="topictitle1">Viewing an Operations Connection</h1>
<div id="body8662426"><div class="section" id="dc_04_1612__dc_04_0612_section2490392594350"><h4 class="sectiontitle">Scenarios</h4><p id="dc_04_1612__dc_04_0612_en-us_topic_0032209467_p43956940104232">You can view the settings of an operations connection that you have created.</p>
</div>
<div class="section" id="dc_04_1612__dc_04_0612_section73341071"><h4 class="sectiontitle">Procedure</h4><ol id="dc_04_1612__dc_04_0612_ol55181320112"><li id="dc_04_1612__dc_04_0612_li1611747131919">Log in to the management console.</li><li id="dc_04_1612__dc_04_0612_li2526886912026">Click <span><img id="dc_04_1612__en-us_topic_0037026651_image38365736610438" src="en-us_image_0070860784.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_04_1612__dc_04_0612_li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_04_1612__dc_02_0202_b1564012245713">Network</strong> &gt; <strong id="dc_04_1612__dc_02_0202_b7609133378">Direct Connect</strong>.</li><li id="dc_04_1612__dc_04_0612_li3317680012026">In the navigation pane on the left, choose <strong id="dc_04_1612__en-us_topic_0115749136_b578308466162923">Direct Connect</strong> &gt; <strong id="dc_04_1612__en-us_topic_0115749136_b926746518935">Connections</strong>.</li><li id="dc_04_1612__dc_04_0612_li52049389">In the operations connection list, locate the operations connection and click its name.</li><li id="dc_04_1612__dc_04_0612_li65791319">On the displayed page, view detailed information about the operations connection.</li></ol>
<div class="section" id="dc_04_1612__dc_04_0612_section73341071"><h4 class="sectiontitle">Procedure</h4><ol id="dc_04_1612__dc_04_0612_ol55181320112"><li id="dc_04_1612__dc_04_0612_li1611747131919">Log in to the management console.</li><li id="dc_04_1612__dc_04_0612_li2526886912026">Click <span><img id="dc_04_1612__en-us_topic_0037026651_image38365736610438" src="en-us_image_0070860784.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_04_1612__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_04_1612__dc_02_0206_b104611549163511">Network</strong> &gt; <strong id="dc_04_1612__dc_02_0206_b84621349123519">Direct Connect</strong>.</li><li id="dc_04_1612__dc_04_0612_li3317680012026">In the navigation pane on the left, choose <strong id="dc_04_1612__en-us_topic_0115749136_b578308466162923">Direct Connect</strong> &gt; <strong id="dc_04_1612__en-us_topic_0115749136_b926746518935">Connections</strong>.</li><li id="dc_04_1612__dc_04_0612_li52049389">In the operations connection list, locate the operations connection and click its name.</li><li id="dc_04_1612__dc_04_0612_li65791319">On the displayed page, view detailed information about the operations connection.</li></ol>
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<h1 class="topictitle1">Modifying an Operations Connection</h1>
<div id="body8662426"><div class="section" id="dc_04_1613__dc_04_0613_section2490392594350"><a name="dc_04_1613__dc_04_0613_section2490392594350"></a><a name="dc_04_0613_section2490392594350"></a><h4 class="sectiontitle">Scenarios</h4><p id="dc_04_1613__dc_04_0613_p16252153123114">You can modify the name, bandwidth, peering position, and description of an operations connection.</p>
</div>
<div class="section" id="dc_04_1613__dc_04_0613_section73341071"><h4 class="sectiontitle">Procedure</h4><ol id="dc_04_1613__dc_04_0613_ol55181320112"><li id="dc_04_1613__dc_04_0613_li1611747131919">Log in to the management console.</li><li id="dc_04_1613__dc_04_0613_li2526886912026">Click <span><img id="dc_04_1613__en-us_topic_0037026651_image38365736610438" src="en-us_image_0070860784.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_04_1613__dc_04_0613_li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_04_1613__dc_02_0202_b1564012245713">Network</strong> &gt; <strong id="dc_04_1613__dc_02_0202_b7609133378">Direct Connect</strong>.</li><li id="dc_04_1613__dc_04_0613_li3317680012026">In the navigation pane on the left, choose <strong id="dc_04_1613__en-us_topic_0115749136_b578308466162923">Direct Connect</strong> &gt; <strong id="dc_04_1613__en-us_topic_0115749136_b926746518935">Connections</strong>.</li><li id="dc_04_1613__dc_04_0613_li56759127"><a name="dc_04_1613__dc_04_0613_li56759127"></a><a name="dc_04_0613_li56759127"></a>In the operations connection list, locate the operations connection that you want to modify, click <strong id="dc_04_1613__b187441841555">More</strong> &gt; <strong id="dc_04_1613__b975644115515">Modify</strong> in the <strong id="dc_04_1613__b37561141259">Operation</strong> column.</li><li id="dc_04_1613__dc_04_0613_li41070097">In the displayed dialog box, modify the operations connection and then click <strong id="dc_04_1613__b1287464312512">OK</strong>.</li></ol>
<div class="section" id="dc_04_1613__dc_04_0613_section73341071"><h4 class="sectiontitle">Procedure</h4><ol id="dc_04_1613__dc_04_0613_ol55181320112"><li id="dc_04_1613__dc_04_0613_li1611747131919">Log in to the management console.</li><li id="dc_04_1613__dc_04_0613_li2526886912026">Click <span><img id="dc_04_1613__en-us_topic_0037026651_image38365736610438" src="en-us_image_0070860784.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_04_1613__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_04_1613__dc_02_0206_b104611549163511">Network</strong> &gt; <strong id="dc_04_1613__dc_02_0206_b84621349123519">Direct Connect</strong>.</li><li id="dc_04_1613__dc_04_0613_li3317680012026">In the navigation pane on the left, choose <strong id="dc_04_1613__en-us_topic_0115749136_b578308466162923">Direct Connect</strong> &gt; <strong id="dc_04_1613__en-us_topic_0115749136_b926746518935">Connections</strong>.</li><li id="dc_04_1613__dc_04_0613_li56759127"><a name="dc_04_1613__dc_04_0613_li56759127"></a><a name="dc_04_0613_li56759127"></a>In the operations connection list, locate the operations connection that you want to modify, click <strong id="dc_04_1613__b187441841555">More</strong> &gt; <strong id="dc_04_1613__b975644115515">Modify</strong> in the <strong id="dc_04_1613__b37561141259">Operation</strong> column.</li><li id="dc_04_1613__dc_04_0613_li41070097">In the displayed dialog box, modify the operations connection and then click <strong id="dc_04_1613__b1287464312512">OK</strong>.</li></ol>
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<h1 class="topictitle1">Creating a Hosted Connection</h1>
<div id="body8662426"><div class="section" id="dc_04_1621__dc_04_0621_section2490392594350"><h4 class="sectiontitle">Scenarios</h4><p id="dc_04_1621__dc_04_0621_p1337120271439">If you are a partner, you can create a hosted connection for your user.</p>
</div>
<div class="section" id="dc_04_1621__dc_04_0621_section73341071"><h4 class="sectiontitle">Procedure</h4><ol id="dc_04_1621__dc_04_0621_ol55181320112"><li id="dc_04_1621__dc_04_0621_li1611747131919">Log in to the management console.</li><li id="dc_04_1621__dc_04_0621_li2526886912026">Click <span><img id="dc_04_1621__en-us_topic_0037026651_image38365736610438" src="en-us_image_0070860784.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_04_1621__dc_04_0621_li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_04_1621__dc_02_0202_b1564012245713">Network</strong> &gt; <strong id="dc_04_1621__dc_02_0202_b7609133378">Direct Connect</strong>.</li><li id="dc_04_1621__dc_04_0621_li3317680012026">In the navigation pane on the left, choose <strong id="dc_04_1621__en-us_topic_0115749136_b578308466162923">Direct Connect</strong> &gt; <strong id="dc_04_1621__en-us_topic_0115749136_b926746518935">Connections</strong>.</li><li id="dc_04_1621__dc_04_0621_li537222719317">On the <strong id="dc_04_1621__b3173199768">Connections</strong> page, click <strong id="dc_04_1621__b19174169662">Create Hosted Connection</strong>.</li><li id="dc_04_1621__dc_04_0621_li12357138412">Configure the parameters.
<div class="section" id="dc_04_1621__dc_04_0621_section73341071"><h4 class="sectiontitle">Procedure</h4><ol id="dc_04_1621__dc_04_0621_ol55181320112"><li id="dc_04_1621__dc_04_0621_li1611747131919">Log in to the management console.</li><li id="dc_04_1621__dc_04_0621_li2526886912026">Click <span><img id="dc_04_1621__en-us_topic_0037026651_image38365736610438" src="en-us_image_0070860784.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_04_1621__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_04_1621__dc_02_0206_b104611549163511">Network</strong> &gt; <strong id="dc_04_1621__dc_02_0206_b84621349123519">Direct Connect</strong>.</li><li id="dc_04_1621__dc_04_0621_li3317680012026">In the navigation pane on the left, choose <strong id="dc_04_1621__en-us_topic_0115749136_b578308466162923">Direct Connect</strong> &gt; <strong id="dc_04_1621__en-us_topic_0115749136_b926746518935">Connections</strong>.</li><li id="dc_04_1621__dc_04_0621_li537222719317">On the <strong id="dc_04_1621__b3173199768">Connections</strong> page, click <strong id="dc_04_1621__b19174169662">Create Hosted Connection</strong>.</li><li id="dc_04_1621__dc_04_0621_li12357138412">Configure the parameters.
<div class="tablenoborder"><a name="dc_04_1621__dc_04_0621_table27593495173236"></a><a name="dc_04_0621_table27593495173236"></a><table cellpadding="4" cellspacing="0" summary="" id="dc_04_1621__dc_04_0621_table27593495173236" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Parameters for creating a hosted connection</caption><thead align="left"><tr id="dc_04_1621__dc_04_0621_row20729321173236"><th align="left" class="cellrowborder" valign="top" width="22.869999999999997%" id="mcps1.3.2.2.6.1.2.4.1.1"><p id="dc_04_1621__dc_04_0621_p34545082173236"><strong id="dc_04_1621__b1836031316613">Parameter</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="41.48%" id="mcps1.3.2.2.6.1.2.4.1.2"><p id="dc_04_1621__dc_04_0621_p17541007173236"><strong id="dc_04_1621__b64981914264">Description</strong></p>
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</tr>
<tr id="dc_04_1621__dc_04_0621_row230875324216"><td class="cellrowborder" valign="top" width="22.869999999999997%" headers="mcps1.3.2.2.6.1.2.4.1.1 "><p id="dc_04_1621__dc_04_0621_p10308145317426">Bandwidth</p>
</td>
<td class="cellrowborder" valign="top" width="41.48%" headers="mcps1.3.2.2.6.1.2.4.1.2 "><p id="dc_04_1621__dc_04_0621_p13639141552410">Specifies the bandwidth of the connection in the unit of Mbit/s.</p>
<td class="cellrowborder" valign="top" width="41.48%" headers="mcps1.3.2.2.6.1.2.4.1.2 "><p id="dc_04_1621__dc_04_0621_p13639141552410">Specifies the bandwidth of the connection, in Mbit/s.</p>
</td>
<td class="cellrowborder" valign="top" width="35.65%" headers="mcps1.3.2.2.6.1.2.4.1.3 "><p id="dc_04_1621__dc_04_0621_p106391315112417">2 Mbit/s</p>
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<h1 class="topictitle1">Viewing a Hosted Connection</h1>
<div id="body8662426"><div class="section" id="dc_04_1622__dc_04_0622_section2490392594350"><h4 class="sectiontitle">Scenarios</h4><p class="msonormal" id="dc_04_1622__dc_04_0622_p15282877">You can view the settings of a hosted connection that you have created.</p>
</div>
<div class="section" id="dc_04_1622__dc_04_0622_section73341071"><h4 class="sectiontitle">Procedure</h4><ol id="dc_04_1622__dc_04_0622_ol55181320112"><li id="dc_04_1622__dc_04_0622_li1611747131919">Log in to the management console.</li><li id="dc_04_1622__dc_04_0622_li2526886912026">Click <span><img id="dc_04_1622__en-us_topic_0037026651_image38365736610438" src="en-us_image_0070860784.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_04_1622__dc_04_0622_li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_04_1622__dc_02_0202_b1564012245713">Network</strong> &gt; <strong id="dc_04_1622__dc_02_0202_b7609133378">Direct Connect</strong>.</li><li id="dc_04_1622__dc_04_0622_li3317680012026">In the navigation pane on the left, choose <strong id="dc_04_1622__en-us_topic_0115749136_b578308466162923">Direct Connect</strong> &gt; <strong id="dc_04_1622__en-us_topic_0115749136_b926746518935">Connections</strong>.</li><li id="dc_04_1622__dc_04_0622_li30494126">In the operations connection list, locate the operations connection that the hosted connection depends on and click <strong id="dc_04_1622__b11447359675">Manage Hosted Connection</strong> in the <strong id="dc_04_1622__b184487592710">Operation</strong> column.</li><li id="dc_04_1622__dc_04_0622_li6011685">In the hosted connection list, locate the hosted connection and click <span><img id="dc_04_1622__dc_04_0622_image54105165" src="en-us_image_0000001560319725.png"></span> to view its settings.</li></ol>
<div class="section" id="dc_04_1622__dc_04_0622_section73341071"><h4 class="sectiontitle">Procedure</h4><ol id="dc_04_1622__dc_04_0622_ol55181320112"><li id="dc_04_1622__dc_04_0622_li1611747131919">Log in to the management console.</li><li id="dc_04_1622__dc_04_0622_li2526886912026">Click <span><img id="dc_04_1622__en-us_topic_0037026651_image38365736610438" src="en-us_image_0070860784.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_04_1622__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_04_1622__dc_02_0206_b104611549163511">Network</strong> &gt; <strong id="dc_04_1622__dc_02_0206_b84621349123519">Direct Connect</strong>.</li><li id="dc_04_1622__dc_04_0622_li3317680012026">In the navigation pane on the left, choose <strong id="dc_04_1622__en-us_topic_0115749136_b578308466162923">Direct Connect</strong> &gt; <strong id="dc_04_1622__en-us_topic_0115749136_b926746518935">Connections</strong>.</li><li id="dc_04_1622__dc_04_0622_li30494126">In the operations connection list, locate the operations connection that the hosted connection depends on and click <strong id="dc_04_1622__b11447359675">Manage Hosted Connection</strong> in the <strong id="dc_04_1622__b184487592710">Operation</strong> column.</li><li id="dc_04_1622__dc_04_0622_li6011685">In the hosted connection list, locate the hosted connection and click <span><img id="dc_04_1622__dc_04_0622_image54105165" src="en-us_image_0000001560319725.png"></span> to view its settings.</li></ol>
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<h1 class="topictitle1">Modifying a Hosted Connection</h1>
<div id="body8662426"><div class="section" id="dc_04_1623__dc_04_0623_section2490392594350"><a name="dc_04_1623__dc_04_0623_section2490392594350"></a><a name="dc_04_0623_section2490392594350"></a><h4 class="sectiontitle">Scenarios</h4><p id="dc_04_1623__dc_04_0623_p1776173813119">You can modify the name, bandwidth, peering position, and description of a hosted connection you created as a partner.</p>
</div>
<div class="section" id="dc_04_1623__dc_04_0623_section73341071"><h4 class="sectiontitle">Procedure</h4><ol id="dc_04_1623__dc_04_0623_ol55181320112"><li id="dc_04_1623__dc_04_0623_li1611747131919">Log in to the management console.</li><li id="dc_04_1623__dc_04_0623_li2526886912026">Click <span><img id="dc_04_1623__en-us_topic_0037026651_image38365736610438" src="en-us_image_0070860784.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_04_1623__dc_04_0623_li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_04_1623__dc_02_0202_b1564012245713">Network</strong> &gt; <strong id="dc_04_1623__dc_02_0202_b7609133378">Direct Connect</strong>.</li><li id="dc_04_1623__dc_04_0623_li3317680012026">In the navigation pane on the left, choose <strong id="dc_04_1623__en-us_topic_0115749136_b578308466162923">Direct Connect</strong> &gt; <strong id="dc_04_1623__en-us_topic_0115749136_b926746518935">Connections</strong>.</li><li id="dc_04_1623__dc_04_0623_li39043275">In the operations connection list, locate the operations connection that the hosted connection depends on and click <strong id="dc_04_1623__b1993620195817">Manage Hosted Connection</strong> in the <strong id="dc_04_1623__b093711915817">Operation</strong> column.</li><li id="dc_04_1623__dc_04_0623_li15845160"><a name="dc_04_1623__dc_04_0623_li15845160"></a><a name="dc_04_0623_li15845160"></a>In the hosted connection list, locate the hosted connection that you want to modify, click <strong id="dc_04_1623__b198312221584">Modify</strong> in the <strong id="dc_04_1623__b183218227817">Operation</strong> column.</li><li id="dc_04_1623__dc_04_0623_li8388713">In the displayed dialog box, modify the hosted connection and then click <strong id="dc_04_1623__b714142513810">OK</strong>.</li></ol>
<div class="section" id="dc_04_1623__dc_04_0623_section73341071"><h4 class="sectiontitle">Procedure</h4><ol id="dc_04_1623__dc_04_0623_ol55181320112"><li id="dc_04_1623__dc_04_0623_li1611747131919">Log in to the management console.</li><li id="dc_04_1623__dc_04_0623_li2526886912026">Click <span><img id="dc_04_1623__en-us_topic_0037026651_image38365736610438" src="en-us_image_0070860784.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_04_1623__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_04_1623__dc_02_0206_b104611549163511">Network</strong> &gt; <strong id="dc_04_1623__dc_02_0206_b84621349123519">Direct Connect</strong>.</li><li id="dc_04_1623__dc_04_0623_li3317680012026">In the navigation pane on the left, choose <strong id="dc_04_1623__en-us_topic_0115749136_b578308466162923">Direct Connect</strong> &gt; <strong id="dc_04_1623__en-us_topic_0115749136_b926746518935">Connections</strong>.</li><li id="dc_04_1623__dc_04_0623_li39043275">In the operations connection list, locate the operations connection that the hosted connection depends on and click <strong id="dc_04_1623__b1993620195817">Manage Hosted Connection</strong> in the <strong id="dc_04_1623__b093711915817">Operation</strong> column.</li><li id="dc_04_1623__dc_04_0623_li15845160"><a name="dc_04_1623__dc_04_0623_li15845160"></a><a name="dc_04_0623_li15845160"></a>In the hosted connection list, locate the hosted connection that you want to modify, click <strong id="dc_04_1623__b198312221584">Modify</strong> in the <strong id="dc_04_1623__b183218227817">Operation</strong> column.</li><li id="dc_04_1623__dc_04_0623_li8388713">In the displayed dialog box, modify the hosted connection and then click <strong id="dc_04_1623__b714142513810">OK</strong>.</li></ol>
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<h1 class="topictitle1">Deleting a Hosted Connection</h1>
<div id="body8662426"><div class="section" id="dc_04_1624__dc_04_0624_section2490392594350"><h4 class="sectiontitle">Scenarios</h4><p id="dc_04_1624__dc_04_0624_p1847411135520">You can delete a hosted operation if do not need it any longer.</p>
</div>
<div class="section" id="dc_04_1624__dc_04_0624_section73341071"><h4 class="sectiontitle">Procedure</h4><ol id="dc_04_1624__dc_04_0624_ol55181320112"><li id="dc_04_1624__dc_04_0624_li1611747131919">Log in to the management console.</li><li id="dc_04_1624__dc_04_0624_li2526886912026">Click <span><img id="dc_04_1624__en-us_topic_0037026651_image38365736610438" src="en-us_image_0070860784.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_04_1624__dc_04_0624_li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_04_1624__dc_02_0202_b1564012245713">Network</strong> &gt; <strong id="dc_04_1624__dc_02_0202_b7609133378">Direct Connect</strong>.</li><li id="dc_04_1624__dc_04_0624_li3317680012026">In the navigation pane on the left, choose <strong id="dc_04_1624__en-us_topic_0115749136_b578308466162923">Direct Connect</strong> &gt; <strong id="dc_04_1624__en-us_topic_0115749136_b926746518935">Connections</strong>.</li><li id="dc_04_1624__dc_04_0624_li168481111175515">In the operations connection list, locate the operations connection that the hosted connection depends on and click <strong id="dc_04_1624__b61636381781">Manage Hosted Connection</strong> in the <strong id="dc_04_1624__b17163438682">Operation</strong> column.</li><li id="dc_04_1624__dc_04_0624_li15848811155516">In the hosted connection list, locate the hosted connection that you want to delete and click <strong id="dc_04_1624__b813518405813">Delete</strong> in the <strong id="dc_04_1624__b15135184019811">Operation</strong> column.</li><li id="dc_04_1624__dc_04_0624_li198483113557">In the displayed dialog box, click <strong id="dc_04_1624__b9428341989">Yes</strong>.</li></ol>
<div class="section" id="dc_04_1624__dc_04_0624_section73341071"><h4 class="sectiontitle">Procedure</h4><ol id="dc_04_1624__dc_04_0624_ol55181320112"><li id="dc_04_1624__dc_04_0624_li1611747131919">Log in to the management console.</li><li id="dc_04_1624__dc_04_0624_li2526886912026">Click <span><img id="dc_04_1624__en-us_topic_0037026651_image38365736610438" src="en-us_image_0070860784.png"></span> in the upper left corner and select a region and a project.</li><li id="dc_04_1624__li669112531391">In the service list in the upper left corner of the page, choose <strong id="dc_04_1624__dc_02_0206_b104611549163511">Network</strong> &gt; <strong id="dc_04_1624__dc_02_0206_b84621349123519">Direct Connect</strong>.</li><li id="dc_04_1624__dc_04_0624_li3317680012026">In the navigation pane on the left, choose <strong id="dc_04_1624__en-us_topic_0115749136_b578308466162923">Direct Connect</strong> &gt; <strong id="dc_04_1624__en-us_topic_0115749136_b926746518935">Connections</strong>.</li><li id="dc_04_1624__dc_04_0624_li168481111175515">In the operations connection list, locate the operations connection that the hosted connection depends on and click <strong id="dc_04_1624__b61636381781">Manage Hosted Connection</strong> in the <strong id="dc_04_1624__b17163438682">Operation</strong> column.</li><li id="dc_04_1624__dc_04_0624_li15848811155516">In the hosted connection list, locate the hosted connection that you want to delete and click <strong id="dc_04_1624__b813518405813">Delete</strong> in the <strong id="dc_04_1624__b15135184019811">Operation</strong> column.</li><li id="dc_04_1624__dc_04_0624_li198483113557">In the displayed dialog box, click <strong id="dc_04_1624__b9428341989">Yes</strong>.</li></ol>
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</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0035014627.html">Application Scenarios</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="en-us_topic_0166140183.html">Quotas and Constraints</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="dc_01_0008.html">Permissions</a></strong><br>
</li>
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<a name="en-us_topic_0035014627"></a><a name="en-us_topic_0035014627"></a>
<h1 class="topictitle1">Application Scenarios</h1>
<div id="body1470390010719"><p id="en-us_topic_0035014627__p4529178216536">With Direct Connect, you can connect your network, data center, and colocation environment to VPCs on the public cloud to enjoy a high-performance, low-latency, and secure network. <a href="#en-us_topic_0035014627__fig29629634145057">Figure 1</a> shows the Direct Connect application scenario.</p>
<div class="fignone" id="en-us_topic_0035014627__fig29629634145057"><a name="en-us_topic_0035014627__fig29629634145057"></a><a name="fig29629634145057"></a><span class="figcap"><b>Figure 1 </b>Scenario</span><br><span><img class="vsd" id="en-us_topic_0035014627__image51190144145057" src="en-us_image_0090333423.png"></span></div>
<div id="body1470390010719"><div class="section" id="en-us_topic_0035014627__section693813513611"><h4 class="sectiontitle">Access to Multiple VPCs Within a Region from an On-premises Data Center</h4><p id="en-us_topic_0035014627__en-us_topic_0000001490802736_p1526411261773">After you connect your on-premises data center to the cloud using Direct Connect, you can use a peering connection to connect the VPC that your on-premises data center is accessing to those in the same region, so that your on-premises data center can access all connected VPCs.</p>
<p id="en-us_topic_0035014627__en-us_topic_0000001490802736_p8060118"><span><img id="en-us_topic_0035014627__en-us_topic_0000001490802736_image17419571955" src="en-us_image_0000001490649208.png"></span></p>
</div>
<div class="section" id="en-us_topic_0035014627__section7313184065015"><h4 class="sectiontitle">Hybrid Cloud Deployment</h4><p id="en-us_topic_0035014627__en-us_topic_0000001490802736_p15254645145320">Direct Connect allows you to build a hybrid environment for your on-premises data center and leverage the scalability of the cloud to expand the computing capability of your applications.</p>
<div class="fignone" id="en-us_topic_0035014627__en-us_topic_0000001490802736_fig1783917515226"><span class="figcap"><b>Figure 1 </b>Hybrid cloud</span><br><span><img id="en-us_topic_0035014627__en-us_topic_0000001490802736_en-us_topic_0292787675_image1898841217016" src="en-us_image_0000001146013067.png"></span></div>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="en-us_topic_0035014627__en-us_topic_0000001490802736_table1915515961217" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Comparisons of Direct Connect and VPN in hybrid cloud deployment</caption><thead align="left"><tr id="en-us_topic_0035014627__en-us_topic_0000001490802736_row1929649141216"><th align="left" class="cellrowborder" valign="top" width="19.368063193680634%" id="mcps1.3.2.4.2.4.1.1"><p id="en-us_topic_0035014627__en-us_topic_0000001490802736_p22961291123">Cloud Service</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="20.367963203679633%" id="mcps1.3.2.4.2.4.1.2"><p id="en-us_topic_0035014627__en-us_topic_0000001490802736_p1429618910122"><strong id="en-us_topic_0035014627__en-us_topic_0000001490802736_b123360806823054">Application Scenario</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="60.263973602639744%" id="mcps1.3.2.4.2.4.1.3"><p id="en-us_topic_0035014627__en-us_topic_0000001490802736_p3296179141212">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="en-us_topic_0035014627__en-us_topic_0000001490802736_row129617914127"><td class="cellrowborder" valign="top" width="19.368063193680634%" headers="mcps1.3.2.4.2.4.1.1 "><p id="en-us_topic_0035014627__en-us_topic_0000001490802736_p62961195121">Virtual Private Network (VPN)</p>
</td>
<td class="cellrowborder" valign="top" width="20.367963203679633%" headers="mcps1.3.2.4.2.4.1.2 "><p id="en-us_topic_0035014627__en-us_topic_0000001490802736_p19296109101218">Connect an on-premises data center to the cloud through an IPsec tunnel.</p>
</td>
<td class="cellrowborder" valign="top" width="60.263973602639744%" headers="mcps1.3.2.4.2.4.1.3 "><p id="en-us_topic_0035014627__en-us_topic_0000001490802736_p1629615961213">An encrypted tunnel is used to connect a VPC to an on-premises data center over the Internet. The tunnel features low cost, simple configuration, and ease-of-use. However, the network quality depends on the Internet.</p>
</td>
</tr>
<tr id="en-us_topic_0035014627__en-us_topic_0000001490802736_row929619131212"><td class="cellrowborder" valign="top" width="19.368063193680634%" headers="mcps1.3.2.4.2.4.1.1 "><p id="en-us_topic_0035014627__en-us_topic_0000001490802736_p1129617931220">Direct Connect</p>
</td>
<td class="cellrowborder" valign="top" width="20.367963203679633%" headers="mcps1.3.2.4.2.4.1.2 "><p id="en-us_topic_0035014627__en-us_topic_0000001490802736_p13296995129">Connect an on-premises data center to the cloud using a dedicated network connection.</p>
</td>
<td class="cellrowborder" valign="top" width="60.263973602639744%" headers="mcps1.3.2.4.2.4.1.3 "><p id="en-us_topic_0035014627__en-us_topic_0000001490802736_p172961593120">A dedicated connection connects a VPC to an on-premises data center. The connection features low latency, high security, and dedicated use. It is applicable to scenarios that require high network transmission quality and security.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
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</th>
</tr>
</thead>
<tbody><tr id="en-us_topic_0041174155__row371374416206"><td class="cellrowborder" valign="top" width="25.46%" headers="mcps1.3.1.1.3.1.1 "><p id="en-us_topic_0041174155__p199241648172014">2023-10-07</p>
<tbody><tr id="en-us_topic_0041174155__row517110541693"><td class="cellrowborder" valign="top" width="25.46%" headers="mcps1.3.1.1.3.1.1 "><p id="en-us_topic_0041174155__p1944595716910">2024-11-15</p>
</td>
<td class="cellrowborder" valign="top" width="74.53999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="en-us_topic_0041174155__p164454571395">This release incorporates the following changes:</p>
<ul id="en-us_topic_0041174155__ul744513575916"><li id="en-us_topic_0041174155__li17445115718919">Updated the title of <a href="en-us_topic_0166140183.html">Quotas and Constraints</a>, and added the quota of local subnets for a virtual gateway and <a href="en-us_topic_0166140183.html#en-us_topic_0166140183__section15484181915473">Constraints</a>.</li><li id="en-us_topic_0041174155__li781164318151">Updated <a href="dc_01_0008.html#dc_01_0008__en-us_topic_0000001172399057_en-us_topic_0173524723_en-us_topic_0173475706_en-us_topic_0170232209_section176871218183512">Helpful Links</a> in <a href="dc_01_0008.html">Permissions</a>.</li><li id="en-us_topic_0041174155__li194451657295">Updated the title of <a href="en-us_topic_0112674194.html">Connections</a>.</li></ul>
</td>
</tr>
<tr id="en-us_topic_0041174155__row108461337114012"><td class="cellrowborder" valign="top" width="25.46%" headers="mcps1.3.1.1.3.1.1 "><p id="en-us_topic_0041174155__p1991134084011">2024-10-17</p>
</td>
<td class="cellrowborder" valign="top" width="74.53999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="en-us_topic_0041174155__p99174013401">This release incorporates the following changes:</p>
<ul id="en-us_topic_0041174155__ul947323711468"><li id="en-us_topic_0041174155__li13473143717466">Added <a href="en-us_topic_0166140183.html">Quotas and Constraints</a>.</li><li id="en-us_topic_0041174155__li16474183711464">Updated <a href="en-us_topic_0035014627.html">Application Scenarios</a>.</li></ul>
</td>
</tr>
<tr id="en-us_topic_0041174155__row371374416206"><td class="cellrowborder" valign="top" width="25.46%" headers="mcps1.3.1.1.3.1.1 "><p id="en-us_topic_0041174155__p199241648172014">2023-10-07</p>
</td>
<td class="cellrowborder" valign="top" width="74.53999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="en-us_topic_0041174155__p1692417489203">This release incorporates the following changes:</p>
<p id="en-us_topic_0041174155__p18924194882011">Updated the value and example of <strong id="en-us_topic_0041174155__b1343665544112">BGP ASN</strong> in the <strong id="en-us_topic_0041174155__b1591716151419">eu-nl</strong> region in <a href="dc_02_0202.html#dc_02_0202__table886674631511">Table 2</a> in <a href="dc_02_0202.html">Connecting Your On-Premises Data Center to the Cloud</a>.</p>
@ -191,7 +203,7 @@
<tr id="en-us_topic_0041174155__row1328154193815"><td class="cellrowborder" valign="top" width="25.46%" headers="mcps1.3.1.1.3.1.1 "><p id="en-us_topic_0041174155__p0281641103812">2018-05-31</p>
</td>
<td class="cellrowborder" valign="top" width="74.53999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="en-us_topic_0041174155__p89791519194413">This release incorporates the following changes:</p>
<ul id="en-us_topic_0041174155__ul19292357104416"><li id="en-us_topic_0041174155__li5217342164519">Modified the scenario and procedure for using a connection to access multiple VPCs in <a href="en-us_topic_0087378059.html">Using a Connection to Access Multiple VPCs</a>.</li><li id="en-us_topic_0041174155__li1733251311474">Modified FAQ "Can I Access Multiple VPCs Using a connection?" in <a href="en-us_topic_0034362675.html">How Can I Enable Direct Connect?</a></li><li id="en-us_topic_0041174155__li1031826124816">Added section <strong id="en-us_topic_0041174155__b84235270614362">Interconnecting with CTS</strong>.</li></ul>
<ul id="en-us_topic_0041174155__ul19292357104416"><li id="en-us_topic_0041174155__li5217342164519">Modified the scenario and procedure for using a connection to access multiple VPCs in <a href="en-us_topic_0087378059.html">Using a Connection to Access Multiple VPCs</a>.</li><li id="en-us_topic_0041174155__li1733251311474">Modified FAQ "Can I Access Multiple VPCs Using a connection?" in <a href="en-us_topic_0034362675.html">How Can I Enable Direct Connect?</a></li><li id="en-us_topic_0041174155__li1031826124816">Added section "Interconnecting with CTS."</li></ul>
</td>
</tr>
<tr id="en-us_topic_0041174155__row73038575375"><td class="cellrowborder" valign="top" width="25.46%" headers="mcps1.3.1.1.3.1.1 "><p id="en-us_topic_0041174155__p112810153389">2018-03-22</p>
@ -208,7 +220,7 @@
<tr id="en-us_topic_0041174155__row1035962815206"><td class="cellrowborder" valign="top" width="25.46%" headers="mcps1.3.1.1.3.1.1 "><p id="en-us_topic_0041174155__p16361228182014">2018-01-30</p>
</td>
<td class="cellrowborder" valign="top" width="74.53999999999999%" headers="mcps1.3.1.1.3.1.2 "><p id="en-us_topic_0041174155__p11361112842020">This release incorporates the following changes:</p>
<ul id="en-us_topic_0041174155__ul16741143162810"><li id="en-us_topic_0041174155__li1867313435289">Added <a href="en-us_topic_0095022278.html">Glossary</a>.</li><li id="en-us_topic_0041174155__li19992105211250">Added a screenshot in <strong id="en-us_topic_0041174155__b842352706143628">Viewing a Direct Connect 2.0 Connection</strong>.</li><li id="en-us_topic_0041174155__li1112182773016">Added a note: You can only increase, but not decrease the bandwidth size in <strong id="en-us_topic_0041174155__b842352706142456">Modifying a Direct Connect 2.0 Connection</strong>"</li><li id="en-us_topic_0041174155__li163849610324">Deleted the FAQ: What Are the Differences Between Direct Connect and Direct Connect 2.0?</li><li id="en-us_topic_0041174155__li127121603419">Added a link to section <strong id="en-us_topic_0041174155__b1908944756143821">Enabling Direct Connect</strong> in <a href="en-us_topic_0034362675.html">How Can I Enable Direct Connect?</a></li><li id="en-us_topic_0041174155__li164451744103419">Added the content: The port type you can select is 1GE or 10GE in <a href="dc_faq_0008.html">What Do I Need to Consider When I Want to Enable Direct Connect?</a></li><li id="en-us_topic_0041174155__li19722592355">Added the content: The maximum bandwidth supported by Direct Connect 2.0 is 1,000 Mbit/s in <a href="dc_faq_0003.html">What Is the Maximum Bandwidth Supported by a Connection?</a></li></ul>
<ul id="en-us_topic_0041174155__ul16741143162810"><li id="en-us_topic_0041174155__li1867313435289">Added <a href="en-us_topic_0095022278.html">Glossary</a>.</li><li id="en-us_topic_0041174155__li19992105211250">Added a screenshot in <strong id="en-us_topic_0041174155__b842352706143628">Viewing a Direct Connect 2.0 Connection</strong>.</li><li id="en-us_topic_0041174155__li1112182773016">Added a note: You can only increase, but not decrease the bandwidth size in <strong id="en-us_topic_0041174155__b842352706142456">Modifying a Direct Connect 2.0 Connection</strong>"</li><li id="en-us_topic_0041174155__li163849610324">Deleted the FAQ: What Are the Differences Between Direct Connect and Direct Connect 2.0?</li><li id="en-us_topic_0041174155__li127121603419">Added a link to section "Enabling Direct Connect" in <a href="en-us_topic_0034362675.html">How Can I Enable Direct Connect?</a></li><li id="en-us_topic_0041174155__li164451744103419">Added the content: The port type you can select is 1GE or 10GE in <a href="dc_faq_0008.html">What Do I Need to Consider When I Want to Enable Direct Connect?</a></li><li id="en-us_topic_0041174155__li19722592355">Added the content: The maximum bandwidth supported by Direct Connect 2.0 is 1,000 Mbit/s in <a href="dc_faq_0003.html">What Is the Maximum Bandwidth Supported by a Connection?</a></li></ul>
</td>
</tr>
<tr id="en-us_topic_0041174155__row1084584814336"><td class="cellrowborder" valign="top" width="25.46%" headers="mcps1.3.1.1.3.1.1 "><p id="en-us_topic_0041174155__p284794813320">2018-01-23</p>

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<a name="en-us_topic_0112674194"></a><a name="en-us_topic_0112674194"></a>
<h1 class="topictitle1">Connections</h1>
<div id="body1526524115987"><p id="en-us_topic_0112674194__p134188824014">Connections are abstractions of network circuits between Direct Connect locations and on-premises data centers. We provide ports only. After creating a connection, you need to contact the carrier to perform offline construction and set up the physical line for you. Connections are dedicated channels for your on-premises data centers to access VPCs on the cloud. Compared with connections over the public network, Direct Connect connections are more stable, reliable, and secure. They can provide up to 100GE port speed.</p>
<div id="body1526524115987"><p id="en-us_topic_0112674194__p134188824014">Connections are abstractions of network circuits between Direct Connect locations and on-premises data centers. We provide ports only. After creating a direct connection, you need to contact the carrier to perform offline construction and set up the physical line for you. Connections are dedicated channels for your on-premises data centers to access VPCs on the cloud. Compared with connections over the public network, Direct Connect connections are more stable, reliable, and secure. They can provide up to 100GE port speed.</p>
<p id="en-us_topic_0112674194__p19327102891610">Connections support redundant configuration. When there are two connections connected from different locations in the same region, they are mutually redundant and work in active/standby mode. If a connection becomes faulty, services are automatically switched to the other, ensuring stable service running. </p>
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</tr>
<tr id="en-us_topic_0128466510__dc_02_0202_row131741224114611"><td class="cellrowborder" valign="top" width="22.869999999999997%" headers="mcps1.3.3.2.1.2.1.1.2.2.4.1.1 "><p id="en-us_topic_0128466510__dc_02_0202_p817472424617">Bandwidth</p>
</td>
<td class="cellrowborder" valign="top" width="41.48%" headers="mcps1.3.3.2.1.2.1.1.2.2.4.1.2 "><p id="en-us_topic_0128466510__dc_02_0202_p13639141552410">Specifies the bandwidth of the connection in the unit of Mbit/s.</p>
<td class="cellrowborder" valign="top" width="41.48%" headers="mcps1.3.3.2.1.2.1.1.2.2.4.1.2 "><p id="en-us_topic_0128466510__dc_02_0202_p13639141552410">Specifies the bandwidth of the connection, in Mbit/s.</p>
</td>
<td class="cellrowborder" valign="top" width="35.65%" headers="mcps1.3.3.2.1.2.1.1.2.2.4.1.3 "><p id="en-us_topic_0128466510__dc_02_0202_p106391315112417">100 Mbit/s</p>
</td>
@ -85,7 +85,7 @@
</p></li></ol><ol start="2" id="en-us_topic_0128466510__ol1113945882512"><li id="en-us_topic_0128466510__li41395582252"><span>Create a virtual gateway.</span><p><ol type="a" id="en-us_topic_0128466510__ol198509169246"><li id="en-us_topic_0128466510__li1291812221378">In the navigation pane on the left, choose <strong id="en-us_topic_0128466510__b84235270616020">Direct Connect</strong> &gt; <strong id="en-us_topic_0128466510__b8423527061915">Virtual Gateways</strong>.</li><li id="en-us_topic_0128466510__li5953329675">In the upper right corner of the <strong id="en-us_topic_0128466510__b842352706123119">Virtual Gateways</strong> page, click <strong id="en-us_topic_0128466510__b8423527069316">Create Virtual Gateway</strong>.</li><li id="en-us_topic_0128466510__li573413501484">Configure the parameters.
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="en-us_topic_0128466510__table128947911279" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Parameters for creating a virtual gateway</caption><thead align="left"><tr id="en-us_topic_0128466510__row1089915918275"><th align="left" class="cellrowborder" valign="top" width="17%" id="mcps1.3.3.3.1.2.1.3.1.2.4.1.1"><p id="en-us_topic_0128466510__p99001998272"><strong id="en-us_topic_0128466510__b1590149112720">Parameter</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="62%" id="mcps1.3.3.3.1.2.1.3.1.2.4.1.2"><p id="en-us_topic_0128466510__p1190212912277"><strong id="en-us_topic_0128466510__b1716048910">Description</strong></p>
<th align="left" class="cellrowborder" valign="top" width="62%" id="mcps1.3.3.3.1.2.1.3.1.2.4.1.2"><p id="en-us_topic_0128466510__p1190212912277"><strong id="en-us_topic_0128466510__b1824508175">Description</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="21%" id="mcps1.3.3.3.1.2.1.3.1.2.4.1.3"><p id="en-us_topic_0128466510__p690418916274"><strong id="en-us_topic_0128466510__b990559102710">Example Value</strong></p>
</th>
@ -127,7 +127,7 @@
</table>
</div>
</li><li id="en-us_topic_0128466510__li154008595281">Click <strong id="en-us_topic_0128466510__b8423527069826">OK</strong>.</li></ol>
</p></li></ol><ol start="3" id="en-us_topic_0128466510__ol7525246172613"><li id="en-us_topic_0128466510__li1952574612616"><span>Create two virtual interfaces.</span><p><ol type="a" id="en-us_topic_0128466510__ol12213282295"><li id="en-us_topic_0128466510__li1022162832914"><a name="en-us_topic_0128466510__li1022162832914"></a><a name="li1022162832914"></a>In the navigation pane on the left, choose <strong id="en-us_topic_0128466510__b6442937531610">Direct Connect</strong> &gt; <strong id="en-us_topic_0128466510__b80590306">Virtual Interfaces</strong>.</li><li id="en-us_topic_0128466510__li8221122852912">On the displayed <strong id="en-us_topic_0128466510__b842352706193129">Virtual Interfaces</strong> page, click <strong id="en-us_topic_0128466510__b842352706193133">Create Virtual Interface</strong> in the upper right corner to create the first virtual interface.</li><li id="en-us_topic_0128466510__li722162811290">Configure the parameters.
</p></li></ol><ol start="3" id="en-us_topic_0128466510__ol7525246172613"><li id="en-us_topic_0128466510__li1952574612616"><span>Create two virtual interfaces.</span><p><ol type="a" id="en-us_topic_0128466510__ol12213282295"><li id="en-us_topic_0128466510__li1022162832914"><a name="en-us_topic_0128466510__li1022162832914"></a><a name="li1022162832914"></a>In the navigation pane on the left, choose <strong id="en-us_topic_0128466510__b6442937531610">Direct Connect</strong> &gt; <strong id="en-us_topic_0128466510__b1190801708">Virtual Interfaces</strong>.</li><li id="en-us_topic_0128466510__li8221122852912">On the displayed <strong id="en-us_topic_0128466510__b842352706193129">Virtual Interfaces</strong> page, click <strong id="en-us_topic_0128466510__b842352706193133">Create Virtual Interface</strong> in the upper right corner to create the first virtual interface.</li><li id="en-us_topic_0128466510__li722162811290">Configure the parameters.
<div class="tablenoborder"><a name="en-us_topic_0128466510__table54552924110"></a><a name="table54552924110"></a><table cellpadding="4" cellspacing="0" summary="" id="en-us_topic_0128466510__table54552924110" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Parameters for creating a virtual interface</caption><thead align="left"><tr id="en-us_topic_0128466510__row13422292417"><th align="left" class="cellrowborder" valign="top" width="17%" id="mcps1.3.3.4.1.2.1.3.1.2.4.1.1"><p id="en-us_topic_0128466510__p94242918414"><strong id="en-us_topic_0128466510__b1942329204113">Parameter</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="62%" id="mcps1.3.3.4.1.2.1.3.1.2.4.1.2"><p id="en-us_topic_0128466510__p5422294415"><strong id="en-us_topic_0128466510__b14422029174116">Description</strong></p>
@ -178,7 +178,7 @@
</tr>
<tr id="en-us_topic_0128466510__row17505103482518"><td class="cellrowborder" valign="top" width="17%" headers="mcps1.3.3.4.1.2.1.3.1.2.4.1.1 "><p id="en-us_topic_0128466510__p13295151913912">Bandwidth</p>
</td>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.4.1.2.1.3.1.2.4.1.2 "><p id="en-us_topic_0128466510__p1229511191992">Specifies the virtual interface bandwidth in the unit of Mbit/s.</p>
<td class="cellrowborder" valign="top" width="62%" headers="mcps1.3.3.4.1.2.1.3.1.2.4.1.2 "><p id="en-us_topic_0128466510__p1229511191992">Specifies the virtual interface bandwidth, in Mbit/s.</p>
<p id="en-us_topic_0128466510__p184111483252">If the selected connection is a hosting connection, the virtual interface exclusively uses the connection bandwidth. That is, the connection bandwidth is the bandwidth of the virtual interface.</p>
</td>
<td class="cellrowborder" valign="top" width="21%" headers="mcps1.3.3.4.1.2.1.3.1.2.4.1.3 "><p id="en-us_topic_0128466510__p16295619293">100</p>

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<a name="en-us_topic_0166140183"></a><a name="en-us_topic_0166140183"></a>
<h1 class="topictitle1">Quotas and Constraints</h1>
<div id="body0000002047933758"><div class="section" id="en-us_topic_0166140183__section11695191734610"><h4 class="sectiontitle">Quotas</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="en-us_topic_0166140183__table2794612" frame="border" border="1" rules="all"><thead align="left"><tr id="en-us_topic_0166140183__en-us_topic_0199480393_row22527890"><th align="left" class="cellrowborder" valign="top" width="60%" id="mcps1.3.1.2.1.3.1.1"><p id="en-us_topic_0166140183__en-us_topic_0199480393_p12819762"><strong id="en-us_topic_0166140183__en-us_topic_0199480393_b1932262113332">Resource</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="40%" id="mcps1.3.1.2.1.3.1.2"><p id="en-us_topic_0166140183__en-us_topic_0199480393_p17474517"><strong id="en-us_topic_0166140183__en-us_topic_0199480393_b1791316222331">Quota</strong></p>
</th>
</tr>
</thead>
<tbody><tr id="en-us_topic_0166140183__en-us_topic_0199480393_row32787233"><td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.1.2.1.3.1.1 "><p id="en-us_topic_0166140183__en-us_topic_0199480393_p1713520162018">Number of connections that can be created by an account in each region</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.1.2.1.3.1.2 "><p id="en-us_topic_0166140183__en-us_topic_0199480393_p33132859">10</p>
</td>
</tr>
<tr id="en-us_topic_0166140183__en-us_topic_0199480393_row61772230"><td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.1.2.1.3.1.1 "><p id="en-us_topic_0166140183__en-us_topic_0199480393_p38520254">Number of virtual interfaces that can be created by an account in each region</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.1.2.1.3.1.2 "><p id="en-us_topic_0166140183__en-us_topic_0199480393_p17171756">50</p>
</td>
</tr>
<tr id="en-us_topic_0166140183__en-us_topic_0199480393_row35962059"><td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.1.2.1.3.1.1 "><p id="en-us_topic_0166140183__en-us_topic_0199480393_p1878604462112">Number of virtual gateways that can be created by an account in each region</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.1.2.1.3.1.2 "><p id="en-us_topic_0166140183__en-us_topic_0199480393_p59414099">5</p>
</td>
</tr>
<tr id="en-us_topic_0166140183__en-us_topic_0199480393_row186151043104516"><td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.1.2.1.3.1.1 "><p id="en-us_topic_0166140183__en-us_topic_0199480393_p1487183113486">Number of local subnets for a virtual gateway</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.1.2.1.3.1.2 "><p id="en-us_topic_0166140183__en-us_topic_0199480393_p10871133104812">50</p>
</td>
</tr>
<tr id="en-us_topic_0166140183__en-us_topic_0199480393_row27661336"><td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.1.2.1.3.1.1 "><p id="en-us_topic_0166140183__en-us_topic_0199480393_p27245651">Number of routes for BGP sessions on a virtual interface</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.1.2.1.3.1.2 "><p id="en-us_topic_0166140183__en-us_topic_0199480393_p23661558">100</p>
</td>
</tr>
<tr id="en-us_topic_0166140183__en-us_topic_0199480393_row4882132451718"><td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.1.2.1.3.1.1 "><p id="en-us_topic_0166140183__en-us_topic_0199480393_p158839245177">Number of static routes on a virtual interface</p>
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.1.2.1.3.1.2 "><p id="en-us_topic_0166140183__en-us_topic_0199480393_p138831824161712">50</p>
</td>
</tr>
</tbody>
</table>
</div>
<div class="note" id="en-us_topic_0166140183__note13178247549"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="en-us_topic_0166140183__p162103511546">Online quota adjustment is not supported. If you need to increase a quota, contact the administrator.</p>
<div class="p" id="en-us_topic_0166140183__p1921035155410">Before contacting the administrator, ensure that you have obtained the following information:<ul id="en-us_topic_0166140183__ul22153517544"><li id="en-us_topic_0166140183__li142103595412">Domain name, project name, and project ID, which can be obtained by performing the following operations:<p id="en-us_topic_0166140183__p1293535415"><a name="en-us_topic_0166140183__li142103595412"></a><a name="li142103595412"></a>To obtain the preceding information, log in to the management console, click the username in the upper-right corner, and choose <strong id="en-us_topic_0166140183__b39271856201618">My Credentials</strong> from the drop-down list.</p>
</li><li id="en-us_topic_0166140183__li16525112317479">Quota information, which includes service name, quota type, and required quota</li></ul>
</div>
</div></div>
</div>
<div class="section" id="en-us_topic_0166140183__section15484181915473"><a name="en-us_topic_0166140183__section15484181915473"></a><a name="section15484181915473"></a><h4 class="sectiontitle">Constraints</h4><ul id="en-us_topic_0166140183__ul78011423319"><li id="en-us_topic_0166140183__li4719246134315">The CIDR block of the VPC cannot overlap with the CIDR block used by the on-premises network.<p id="en-us_topic_0166140183__p17180134810433"><a name="en-us_topic_0166140183__li4719246134315"></a><a name="li4719246134315"></a>The on-premises network cannot use 100.64.0.0/10, 127.0.0.0/8, 169.254.0.0/16, and 224.0.0.0/3 because they are reserved for the VPC service.</p>
</li><li id="en-us_topic_0166140183__li118011231517">Currently, 1GE and 10GE single-mode optical ports can transmit data up to 10 km. If you need an optical port to transmit data for more than 10 km, or you need a 40GE or 100GE port, you need to purchase the optical modules by yourself.</li><li id="en-us_topic_0166140183__li8324105113519">If you use a Direct Connect connection to access ELB, you must select <strong id="en-us_topic_0166140183__b770713230538">Source IP hash</strong> as the load balancing algorithm and disable sticky sessions for ELB.</li><li id="en-us_topic_0166140183__li1138159122115">Direct Connect can respond to common ICMP packets (echo packets whose type is 8 and code is 0 and do not carry IP options) for ping detections.</li><li id="en-us_topic_0166140183__li12648452219">For each connection, a maximum of 30 ping detections can be performed on the local gateway IP address over the port per second.</li><li id="en-us_topic_0166140183__li5518031195620">A virtual gateway can be associated with only two different devices.</li></ul>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0032025288.html">Service Overview</a></div>
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<div class="section" id="en-us_topic_0185627312__en-us_topic_0184026189_section193971112578"><h4 class="sectiontitle">Selecting an AZ</h4><p id="en-us_topic_0185627312__en-us_topic_0184026189_p859161416717">When deploying resources, consider your applications' requirements on disaster recovery (DR) and network latency.</p>
<ul id="en-us_topic_0185627312__en-us_topic_0184026189_ul157203571473"><li id="en-us_topic_0185627312__en-us_topic_0184026189_li7720175710711">For high DR capability, deploy resources in different AZs within the same region.</li><li id="en-us_topic_0185627312__en-us_topic_0184026189_li109763595719">For lower network latency, deploy resources in the same AZ.</li></ul>
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<div class="section" id="en-us_topic_0185627312__en-us_topic_0184026189_section1110135820407"><h4 class="sectiontitle">Regions and Endpoints</h4><p id="en-us_topic_0185627312__en-us_topic_0184026189_p361784821111">Before you use an API to call resources, specify its region and endpoint. For more details, see <a href="https://docs.otc.t-systems.com/additional/endpoints.html" target="_blank" rel="noopener noreferrer">Regions and Endpoints</a>.</p>
<div class="section" id="en-us_topic_0185627312__en-us_topic_0184026189_section1110135820407"><h4 class="sectiontitle">Regions and Endpoints</h4><p id="en-us_topic_0185627312__en-us_topic_0184026189_p361784821111">Before you use an API to call resources, specify its region and endpoint. For more details, see <a href="https://docs.otc.t-systems.com/regions-and-endpoints/index.html" target="_blank" rel="noopener noreferrer">Regions and Endpoints</a>.</p>
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