Cisco ASA – How do I capture ARP`s ?

Below shows the necessary commands to capture ARP packets on a Cisco ASA Firewall.

Syntax

ASA(config)# capture arp ethernet-type arp interface dmz 

Display

ASA(config)# show capture arp
2 packets captured
13:12:23.478229 arp who-has 10.1.1.1 tell 10.1.1.100
13:12:26.784194 arp who-has 10.1.1.1 tell 10.1.1.100
2 packets shown

Rick Donato

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