Arp Timeout - Cisco NCS 540 Series Configuration Manual

ARP Commands
Task ID
Task
ID
cef
Examples
The following is an example of setting the purge delay to 50 seconds:
RP/0/# configure
RP/0/(config)# interface HundredGigE 0/0/0/0
RP/0/(config-if)# arp purge-delay 50

arp timeout

To specify the duration of dynamic entries learned on an interface remain in the Address Resolution Protocol
(ARP) cache, enter the arp timeout command in interface configuration mode. To remove the arp timeout
command from the configuration file and restore the system to its default condition with respect to this
command, enter the no form of this command.
arp timeout seconds
no arp timeout seconds
Syntax Description
seconds
Entries remain in the ARP cache for 14,400 seconds (4 hours).
Command Default
Interface configuration
Command Modes
Command History
Release
Release 6.0
This command is ignored when issued on interfaces that do not use ARP. Also, ARP entries that correspond
Usage Guidelines
to the local interface or that are statically configured by the user never time out.
The arp timeout command applies only to the interface that is entered. When the timeout is changed for an
interface the change applies only to that interface.
The show interfaces command displays the ARP timeout value in hours:minutes:seconds, as follows:
ARP type: ARPA, ARP Timeout 04:00:00
Operations
read,
write
Indicates the time, in seconds, for which an entry remains in the ARP cache. Range is 30 to
4294967295.
Modification
This command was supported.
arp timeout
ARP Commands
5