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Click IP, ARP, Dynamic Addresses. You can use the buttons provided to
change a dynamic entry to a static entry, or to clear all dynamic entries in the cache.
Figure 19-5 ARP Dynamic Addresses
CLI -
This example shows all entries in the ARP cache.
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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
10.1.0.11 00-11-22-33-44-55 static 1
10.1.0.12 01-02-03-04-05-06 static 1
10.1.0.19 00-10-b5-62-03-74 dynamic 1
10.1.0.253 00-00-ab-cd-00-00 other 1
10.1.0.255 ff-ff-ff-ff-ff-ff other 1
Total entry : 6
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#
Displaying Local ARP Entries
The ARP cache also contains entries for local interfaces, including subnet, host, and
broadcast addresses.
Command Attributes
• IP Address – IP address of a local entry in the cache.
• MAC Address – MAC address mapped to the corresponding IP address.
• Interface – VLAN interface associated with the address entry.
• Entry Count – The number of local entries in the ARP cache.
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Address Resolution Protocol
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