B. The configuration is missing the address-family ipv4 unicast and address-family ipv6 unicast commands under router isis 1

B. The configuration is missing the address-family ipv4 unicast and address-family ipv6 unicast commands under router isis 1.

C. IPv6 unicast routing has not been enabled globally on the Cisco IOS XE router.

D. The gi0/0 and gi0/1 interfaces are not participating in the router isis 1 routing instance.

E. Multitopology IS-IS must be enabled to support both IPv4 and IPv6.

F. Another router isis instance must be enabled to support IPv6.

View Answer

Answer: C,D