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Category: ASA

Enabling traceroute on Cisco ASA

There are three steps to enable traceroute:

  1. In policy map “global_policy” in class “inspection_default” you need to add “inspect icmp” and “inspect icmp error”
  2. In policy map “global_policy” in class “class_default” you need to add “set connection decrement-ttl”
  3. On your oudside interface, you need add access list, that permits ICMP with “time-exceeded” on ingress direction

There is code, that you can paste in your ASA firewall:

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