This command displays the Address Resolution Protocol (ARP) cache for a specified virtual router instance. If a virtual router is not specified, the ARP cache for the default router is displayed.The displayed results are not the total ARP entries. To view the total ARP entries, the operator should view the show arp results in conjunction with the show arp switch results.
| Format | show arp [vrf vrf-name] |
| Mode | Privileged EXEC |
| Term | Definition |
|---|---|
| Age Time (seconds) | The time it takes for an ARP entry to age out. This is configurable. Age time is measured in seconds. |
| Response Time seconds) | The time it takes for an ARP request timeout. This value is configurable. Response time is measured in seconds. |
| Retries | The maximum number of times an ARP request is retried. This value is configurable. |
| Cache Size | The maximum number of entries in the ARP table. This value is configurable. |
| Dynamic Renew Mode | Displays whether the ARP component automatically attempts to renew dynamic ARP entries when they age out. |
| Total Entry Count Current / Peak | The total entries in the ARP table and the peak entry count in the ARP table. |
| Static Entry Count Current / Max | The static entry count in the ARP table and maximum static entry count in the ARP table. |
The following are displayed for each ARP entry:
| Term | Definition |
|---|---|
| IP Address | The IP address of a device on a subnet attached to an existing routing interface. |
| MAC Address | The hardware MAC address of that device. |
| Interface | The routing unit/slot/port associated with the device ARP entry. |
| Type | The type that is configurable. The possible values are Local, Gateway, Dynamic and Static. |
| Age | The current age of the ARP entry since last refresh (in hh:mm:ss format) |
