Implement IPv6

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These questions are derived from the Self Test Software Practice Test for Cisco exam #642-901 – Building Scalable Cisco Internetworks

Objective: Implement IPv6
SubObjective: Describe, configure or verify OSPF routing with IPv6 addressing

Single Answer, Multiple Choice

Which of the following commands will provide general information about the IPv6 routing process?

  1. Router# show ipv6 ospf
  2. Router#show ospf ipv6
  3. Router#show ipv6 route
  4. Router#show ospf v6

Answer:
A. Router# show ipv6 ospf

Tutorial:
The show ipv6 ospf command will display general information about the IPv6 routing process. A following is a sample of the command output:

Routing Process “ospfv3 5″ with ID 192.168.3.1
 It is an autonomous system boundary router
 Redistributing External Routes from,
    static
 SPF schedule delay 5 secs, Hold time between two SPFs 10 secs
 Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs
 LSA group pacing timer 240 secs
 Interface flood pacing timer 33 msecs
 Retransmission pacing timer 66 msecs
 Number of external LSA 1. Checksum Sum 0x218D
 Number of areas in this router is 1. 1 normal 0 stub 0 nssa
    Area 1
         Number of interfaces in this area is 3
         SPF algorithm executed 13 times
         Number of LSA 32. Checksum Sum 0x67581
         Number of DCbitless LSA 0
         Number of indication LSA 0
         Number of DoNotAge LSA 0
         Flood list length 0

The show ipv6 route command is used to view the IPv6 routing table.

The other options are invalid due to improper syntax.

Reference:

http://www.cisco.com/en/US/products/sw/iosswrel/ps5187/products_configuration_guide_chapter09186a00801d660d.html#wp1083008

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