Configuration commands to enable IPv6 IS-IS MT on device C2

The following commands enable IPv6 IS-IS MT on device C2.

device# configure terminal
device(config)# router isis
device(config-isis-router)# net 00.0000.001b.ed04.0000.00
device(config-isis-router)# address-family ipv4 unicast  
device(config-router-isis-ipv4u)# metric-style wide
device(config-router-isis-ipv4u)# exit
device(config-isis-router)# address-family ipv6 unicast  
device(config-router-isis-ipv6u)# multi-topology
device(config-router-isis-ipv6u)# exit