After configuring IPv4 IS-IS MT to isolate IPv4 services from IPv6 services, check the configuration about IS-IS multi-topologies.
Prerequisites
IPv4 IS-IS MT has been configured to isolate IPv4 services from IPv6 services.
Procedure
- Run the display isis peer [ verbose ] [ process-id | vpn-instance vpn-instance-name ] command to check information about IS-IS neighbors.
- Run the display isis route [ process-id | vpn-instance vpn-instance-name ] [ ipv4 | ipv6] [ topology topology-name ] [ verbose | [ level-1 | level-2 ] ] command to check IS-IS routing information.
- Run the display isis spf-tree [ systemid systemid ] [ [ level-1 | level-2 ] | ipv6 | topology topology-name ] * verbose [ process-id | vpn-instance vpn-instance-name ] command to check IS-IS SPT information.