Router A and Router B are configured with IPv6 addressing and basic routing capabilities using oSPFv3.The networks that are advertised from Router A do not show up in Router B’s routing table. After debugging IPv6 packets, the message "not a router" is found in the output.
Why is the routing information not being learned by Router B?
A. OSPFv3 timers were adjusted for fast convergence
B. The networks were not advertised properly under the OSPFv3 process.
C. An IPv6 traffic filter is blocking the networks from being learned via the Router B interface that is connected to Router A.
D. IPv6 unicast routing is not enabled on Router A or Router B.
Answer: D
Explanation:
Reference: http://www.cisco.com/c/en/us/td/docs/ios/ipv6/command/reference/ipv6_book/ipv6_16.html
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