Setting the aging timer for dynamic ARP entries

Each dynamic ARP entry in the ARP table has a limited lifetime, called aging timer. The aging timer of a dynamic ARP entry is reset each time the dynamic ARP entry is updated. Dynamic ARP entries that are not updated before their aging timers expire are deleted from the ARP table.

To set the age timer for dynamic ARP entries:

Step

Command

Remarks

1. Enter system view.

system-view

N/A

2. Set the age timer for dynamic ARP entries.

arp timer aging aging-time

Optional.

20 minutes by default.