Performing Validation Checks - Cisco Catalyst 2960 Software Configuration Manual

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Configuring Dynamic ARP Inspection

errdisable recovery cause

arp-inspection interval interval

show ip arp inspection interfaces

show errdisable recovery

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 2960 and 2960-S Switches Software Configuration Guide, Release 15.0(1)SE

(Optional) Enable error recovery from the dynamic ARP inspection

error-disable state.

By default, recovery is disabled, and the recovery interval is 300

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.

Configuring Dynamic ARP Inspection

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Catalyst 2960-s