:original_name: faq_connection.html .. _faq_connection: Connectivity ============ - :ref:`Does a VPN Allow Communication Between Two VPCs? ` - :ref:`Why Are Internet or Internal Domain Names in the Cloud Inaccessible Through Domain Names When My ECS Has Multiple NICs? ` - :ref:`Are There Any Constraints on Using VPC Peering Connections? ` - :ref:`Why Did Communication Fail Between VPCs That Were Connected by a VPC Peering Connection? ` - :ref:`How Many VPC Peering Connections Can I Create? ` - :ref:`What Are the Priorities of the Custom Route and EIP If Both Are Configured for an ECS to Enable the ECS to Access the Internet? ` - :ref:`What Are the Priorities of the Shared SNAT and Custom Route If Both Are Configured for an ECS to Enable the ECS to Access the Internet? ` - :ref:`How Does an IPv6 Client on the Internet Access the ECS That Has an EIP Bound in a VPC? ` .. toctree:: :maxdepth: 1 :hidden: does_a_vpn_allow_communication_between_two_vpcs why_are_internet_or_internal_domain_names_in_the_cloud_inaccessible_through_domain_names_when_my_ecs_has_multiple_nics are_there_any_constraints_on_using_vpc_peering_connections why_did_communication_fail_between_vpcs_that_were_connected_by_a_vpc_peering_connection how_many_vpc_peering_connections_can_i_create what_are_the_priorities_of_the_custom_route_and_eip_if_both_are_configured_for_an_ecs_to_enable_the_ecs_to_access_the_internet what_are_the_priorities_of_the_shared_snat_and_custom_route_if_both_are_configured_for_an_ecs_to_enable_the_ecs_to_access_the_internet how_does_an_ipv6_client_on_the_internet_access_the_ecs_that_has_an_eip_bound_in_a_vpc