Configuration Guide 565
Configuring Network Security ARP Inspection Configurations
Step 6 ip arp inspection recover
(Optional) For ports which the speed of receiving ARP packets has exceeded the limit, use
this command to restore the port from Discard status to Normal status.
Step 7 end
Return to privileged EXEC mode.
Step 8 copy running-config startup-config
Save the settings in the configuration file.
The following example shows how to enable ARP Defend and configure the ARP inspection
limit-rate as 20 pps on port 1/0/2:
Switch#configure
Switch(config)#interface gigabitEthernet 1/0/2
Switch(config-if)#ip arp inspection
Switch(config-if)#ip arp inspection limit-rate 20
Switch(config-if)#show ip arp inspection interface gigabitEthernet 1/0/2
Port OverSpeed Rate Current Status LAG
Gi1/0/2 Enabled 20 N/A Normal N/A
Switch(config-if)#end
Switch#copy running-config startup-config
The following example shows how to restore the port 1/0/1 that is in Discard status to
Normal status:
Switch#configure
Switch(config)#show ip arp inspection interface
Port OverSpeed Rate Current Status LAG
Gi1/0/1 Enabled 15 N/A Discard,290s N/A
Gi1/0/2 Enabled 15 N/A Normal N/A
......
Switch(config)#interface gigabitEthernet 1/0/1
Switch(config-if)#ip arp recover
Switch(config-if)#show ip arp inspection interface gigabitEthernet 1/0/1
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