show ipv6 neighbors state
Syntax
show ipv6 neighbors state {all | failed | incomplete | permanent | reachable | stale} [vsx-peer]Description
Shows all IPv6 neighbor ARP (Address Resolution Protocol) cache entries, or those cache entries that are in the specified state.
Command context
Operator (>) or Manager (#)
Parameters
-
all -
Shows all ARP cache entries.
-
failed -
Shows ARP cache entries that are in
failedstate. The neighbor might have been deleted. Set the neighbor to be unreachable. -
incomplete -
Shows ARP cache entries that are in
incompletestate.一个不完整的状态意味着地址解析is in progress and the link-layer address of the neighbor has not yet been determined. This means that a solicitation request was sent, and you are waiting for a solicitation reply or a timeout.
-
permanent -
Shows ARP cache entries that are in
permanentstate. -
reachable -
Shows ARP cache entries that are in
reachablestate, meaning that the neighbor is known to have been reachable recently. -
stale -
Shows ARP cache entries that are in
stalestate.ARP cache entries are in the
stalestate if the elapsed time is in excess of the ARP timeout in seconds since the last positive confirmation that the forwarding path was functioning properly. -
[vsx-peer] -
Shows the output from the VSX peer switch. If the switches do not have the VSX configuration or the ISL is down, the output from the VSX peer switch is not displayed. This parameter is available on switches that support VSX.
Authority
Operators or Administrators or local user group members with execution rights for this command. Operators can execute this command from the operator context (>) only.
Example
switch#show ipv6 neighbors state allIPv6 Address MAC Port Physical Port State -------------------------------------------------------------------------------- 100::2 48:0f:cf:af:f1:cc lag1 lag1 reachable 300::3 48:0f:cf:af:33:be vlan3 1/4/20 reachable fe80::4a0f:cfff:feaf:f1cc 48:0f:cf:af:f1:cc lag1 lag1 reachable 200::3 48:0f:cf:af:33:be 1/4/11 1/4/11 reachable fe80::4a0f:cfff:feaf:33be 48:0f:cf:af:33:be vlan3 1/4/20 reachable Total Number Of IPv6 Neighbors Entries Listed- 5. ---------------------------------------------------------------------------------