show arp state

描述

Shows ARP (Address Resolution Protocol) cache entries that are in the specified state.

Command context

Operator (>) or Manager (#)

Parameters

all

Shows the ARP cache entries for all VRF (Virtual Router Forwarding) instances.

failed

Shows the ARP cache entries that are infailedstate. The neighbor might have been deleted.

incomplete

Shows the ARP cache entries that are inincompletestate.

An incomplete state means that address resolution is in progress and the link-layer address of the neighbor has not yet been determined. A solicitation request was sent, and the switch is waiting for a solicitation reply or a timeout.

permanent

Shows the ARP cache entries that are inpermanentstate. ARP entries that are in a permanent state can be removed by administrative action only.

reachable

Shows the ARP cache entries that are inreachable状态,这意味着neighbor is known to have been reachable recently.

stale

Shows ARP cache entries that are instalestate.

ARP cache entries are in thestalestate 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.

权威

Operators or Administrators or local user group members with execution rights for this command. Operators can execute this command from the operator context (>) only.

Examples

switch#show arp state failedIPv4 Address MAC Port Physical Port State --------------------------------------------------------------------------- 192.168.1.4 vlan10 failed