Tag Archives: ARP

ARP Timeout in Cisco IOS

If you’re managing Cisco IOS routers, you might want to adjust the settings for ARP cache timeout. The default value is 4 hours which can be a long time to wait if you are changing out hardware and using the … Continue reading

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Cisco ASA ARP Behavior

The Cisco ASA can exhibit some non-standard ARP behavior depending on the OS version and system configuration. Here are some notes to remember this by. arp permit-nonconnected – command introduced in ASA 8.4(5) and defaults to off. ASA releases through … Continue reading

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