Performing Validation Checks - Cisco Catalyst 2975 Software Configuration Manual

Configuring Dynamic ARP Inspection
Command
Step 5
errdisable recovery cause
arp-inspection interval interval
Step 6 exit
Step 7
show ip arp inspection interfaces
show errdisable recovery
Step 8 copy running-config startup-config
To return to the default rate-limit configuration, use the no ip arp inspection limit interface
configuration command. To disable error recovery for dynamic ARP inspection, use the no errdisable
recovery cause arp-inspection global configuration command.

Performing Validation Checks

Dynamic ARP inspection intercepts, logs, and discards ARP packets with invalid IP-to-MAC address
bindings. You can configure the switch to perform additional checks on the destination MAC address,
the sender and target IP addresses, and the source MAC address.
Catalyst 2975 Switch Software Configuration Guide
21-12
Purpose
(Optional) Enable error recovery from the dynamic ARP inspection
error-disable state.
By default, recovery is disabled, and the recovery interval is 300
seconds.
For interval interval, specify the time in seconds to recover from the
error-disable state. The range is 30 to 86400.
Return to privileged EXEC mode.
Verify your settings.
(Optional) Save your entries in the configuration file.
Chapter 21 Configuring Dynamic ARP Inspection
OL-19720-02