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show arp
This command displays the Address Resolution Protocol (ARP) cache. 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
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
The time it takes for an ARP request timeout. This value is configurable. Response time is measured
(seconds)
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
Displays whether the ARP component automatically attempts to renew dynamic ARP entries when
Mode
they age out.
Total Entry Count
The total entries in the ARP table and the peak entry count in the ARP table.
Current / Peak
Static Entry Count
The static entry count in the ARP table and maximum static entry count in the ARP table.
Current / Max
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 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 )
show arp brief
This command displays the brief Address Resolution Protocol (ARP) table information.
Format
show arp brief
Mode
Privileged EXEC
Term
Definition
Age Time
The time it takes for an ARP entry to age out. This value is configurable. Age time is measured in
(seconds)
seconds.
Response Time
The time it takes for an ARP request timeout. This value is configurable. Response time is measured
(seconds)
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.
Address Resolution Protocol Commands
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