99 
14.2 clear arp-cache 
Description 
This clear arp-cache command is used to clear all the dynamic ARP entries. 
Syntax 
clear arp-cache 
Command Mode 
Privileged EXEC Mode 
Privilege Requirement 
Only Admin, Operator and Power User level users have access to these 
commands. 
Example 
Clear all the dynamic ARP entries: 
T2600G-28TS(config)# clear arp-cache 
14.3 arp timeout 
Description 
This  arp timeout command is used to configure the ARP aging time of the 
interface. 
Syntax 
arp timeout timeout 
no arp timeout 
Parameter 
timeout  ——  Specify the aging time, ranging from 1 to 3000 seconds. The 
default value is 600 seconds. 
Command Mode 
Interface Configuration Mode (interface gigabitEthernet / interface range 
gigabitEthernet / interface port-channel / interface range port-channel) 
Privilege Requirement 
Only Admin, Operator and Power User level users have access to these 
commands.