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clear arp-cache
This command deletes all dynamic entries from the Address Resolution Protocol
(ARP) cache.
Command Mode
Privileged Exec
Example
This example clears all dynamic entries in the ARP cache.
show arp
Use this command to display entries in the Address Resolution Protocol (ARP)
cache.
Command Mode
Normal Exec, Privileged Exec
Command Usage
This command displays information about the ARP cache. The first line shows
the cache timeout. It also shows each cache entry, including the
corresponding IP address, MAC address, type (static, dynamic, other), and
VLAN interface. Note that entry type “other” indicates local addresses for this
router.
Example
This example displays all entries in the ARP cache.
Console#clear arp-cache
This operation will delete all the dynamic entries in ARP Cache.
Are you sure to continue this operation (y/n)?y
Console#
Console#show arp
Arp cache timeout: 1200 (seconds)
IP Address MAC Address Type Interface
--------------- ----------------- --------- -----------
10.1.0.0 ff-ff-ff-ff-ff-ff other 1
10.1.0.254 00-00-ab-cd-00-00 other 1
10.1.0.255 ff-ff-ff-ff-ff-ff other 1
123.20.10.123 02-10-20-30-40-50 static 2
345.30.20.23 09-50-40-30-20-10 dynamic 3
Total entry : 5
Console#