Default: 20 minutes
Setting the ARP age timeout to 1000 minutes
switch(config)# ip arp-age 1000
Show IP command displaying ARP age
To view the value of ARP age timer, enter the
show ip
command. The Arp Age time value is shown in bold
below.
switch(config)# show ip
Internet (IP) Service
IP Routing : Disabled
Default Gateway : 15.255.120.1
Default TTL : 64
Arp Age : 1000
Domain Suffix : DNS server :
VLAN | IP Config IP Address Subnet Mask Proxy ARP
-------------------- + ---------- --------------- --------------- ---------
DEFAULT_VLAN | Manual 15.255.111.13 255.255.248.0 No
IP ARP-age value in the running config file
You can also view the value of the ARP age timer in the configuration file. The ip arp-age 1000 value is shown in
bold below.
switch(config)# show running-config
Running configuration:
; J9091A Configuration Editor; Created on release #K.15.XX
hostname "8200LP"
module 2 type J8702A
module 3 type J8702A
module 4 type J8702A
ip default-gateway 15.255.120.1
ip arp-age 1000
snmp-server community "public" Unrestricted
snmp-server host 16.180.1.240 "public"
vlan 1
name "DEFAULT_VLAN"
untagged B1-B24,C1-C24,D1-D24
ip address 15.255.120.85 255.255.248.0
exit
gvrp
spanning-tree
Setting and viewing the arp-age value
You can set or display using the menu interface (
Switch Configuration IP Config
).
Chapter 5 Routing Basics
131