Clear Arp-Cache - Edge-Core ECS3510-26P Management Manual

26-port fast ethernet layer 2 switch

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When a ARP entry expires, it is deleted from the cache and an ARP

request packet is sent to re-establish the MAC address.

The aging time determines how long dynamic entries remain in the

cache. If the timeout is too short, the switch may tie up resources by

repeating ARP requests for addresses recently flushed from the table.

This example sets the ARP cache timeout for 15 minutes (i.e., 900

Console(config)#arp timeout 900

Console(config)#

This command deletes all dynamic entries from the Address Resolution

clear arp-cache

Protocol (ARP) cache.

Privileged Exec

This example clears all dynamic 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

This command displays entries in the Address Resolution Protocol (ARP)

Normal Exec, Privileged Exec

This command displays information about the ARP cache. The first line

shows the cache timeout. It also shows each cache entry, including the IP

address, MAC address, type (dynamic, other), and VLAN interface. Note

that entry type "other" indicates local addresses for this router.

| IP Interface Commands

IPv4 Interface

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