Refer to the Cisco IOS XE IS-IS configuration exhibit.
What are two problems with the configuration that are causing the IPv4, or the IPv6, or the IPv4
and IPv6 IS-IS operations to fail? (Choose two.)
A.
The configuration is missing the interface gi0/0 and interface gi0/0 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.
Explanation:
http://www.cisco.com/en/US/docs/switches/metro/me3400/software/release/12.2_50_se/configurat
ion/guide/swipv6.pdf
• When using user-network interface (UNI) or enhanced network interface (ENI) ports for any
IPv6-related features, you must first globally enable IP routing and IPv6 routing on the switch by
entering the ip routing ipv6 unicast-routing