100 
Example 
Configure the ARP aging time as 60 seconds on interface 1/0/1: 
T2600G-28TS(config)# interface gigabitEthernet 1/0/1 
T2600G-28TS(config-if)# arp timeout 60 
14.4 show arp 
Description 
This  show arp command is used to display the active ARP entries. If no 
parameter is speicified, all the active ARPA entries will be displayed. 
Syntax 
show arp [ ip ] [ mac ] 
show ip arp [ ip ] [ mac ] 
Parameter 
ip —— Specify the IP address of your desired ARP entry. 
mac —— Specify the MAC address of your desired ARP entry. 
Command Mode 
Privileged EXEC Mode and Any Configuration Mode 
Privilege Requirement 
None. 
Example 
Display the ARP entry with the IP as 192.168.0.2: 
T2600G-28TS(config)# show ip arp 192.168.0.2 
14.5 show ip arp (interface) 
Description 
This show arp command is used to display the active ARP entries associated 
with a specified Layer 3 interface. 
Syntax 
show ip arp { gigabitEthernet port | port-channel port-channel-id | vlan id } 
Parameter 
port —— Specify the number of the routed port.