The IPv6 Neighbor Table

The IPv6 neighbor table replaces the IPv4 ARP table, listing the MAC address of other devices that share the same link. Example 3-4 shows a debug that lists messages during the NDP process, a ping to R3’s Fa0/0 IPv6 address, and the resulting neighbor table entries on R2.

Example 3-4 Creating Entries and Displaying the Contents of R2’s IPv6 Neighbor Table

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R2# debug ipv6 nd  ICMP Neighbor Discovery events debugging is onR2# ping 2000:0:0:2::3Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 2000:0:0:2::3, timeout is 2 seconds:!!!!!Success rate is 100 percent (5/5), round-trip min/avg/max = 0/0/4 msR2#*Sep  2 17:07:25.807: ICMPv6-ND: DELETE -> INCMP: 2000:0:0:2::3*Sep  2 17:07:25.807: ...

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