B
ASIC
IP C
ONFIGURATION
36-43
show ipv6 neighbors
This command displays information in the IPv6 neighbor discovery cache.
Syntax
show ipv6 neighbors [vlan vlan-id | ipv6-address]
• vlan-id - VLAN ID (Range: 1-4093)
• ipv6-address - The IPv6 address of a neighbor device. You can specify
either a link-local or global unicast address formatted according to
RFC 2373 “IPv6 Addressing Architecture,” using 8 colon-separated
16-bit hexadecimal values. One double colon may be used in the
address to indicate the appropriate number of zeros required to fill
the undefined fields.
Default Setting
All IPv6 neighbor discovery cache entries are displayed.
Command Mode
• Normal Exec - No command options are available.
• Privileged Exec - All command options are available.
Example
The following shows all known IPv6 neighbors for this router:
Console#show ipv6 neighbors
IPv6 Address Age Link-layer Addr State Vlan
2009:DB9:2229::79 666 00-00-E8-90-00-00 STALE 1
FE80::200:E8FF:FE90:0 671 00-00-E8-90-00-00 STALE 1
Console#
Table 36-6 show ipv6 neighbors - display description
Field Description
IPv6 Address IPv6 address of neighbor
Age The time since the address was verified as reachable (in
minutes). A static entry is indicated by the value “Permanent.”
Link-layer Addr Physical layer MAC address.
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