Packet-tracer input protocol src_addr src_port dest_addr dest_port Ī few examples of truncated output show some of the most useful features. The ASDM version even includes animation (the value of which is questionable, but it is fun to watch), and the ability to navigate quickly to a failed policy. Packet-tracer is available both from the CLI and in the ASDM. The power of the utility comes from the ability to simulate real-world traffic by specifying source and destination addresses with protocol and port information. Along the way, the packet is evaluated against flow and route lookups, ACLs, protocol inspection, NAT, and IDS. Packet-tracer allows a firewall administrator to inject a virtual packet into the security appliance and track the flow from ingress to egress. ![]() Errors in long complex ACLs can be easily overlooked, and access failures caused by NAT, IDS, and routing make the problem even more difficult.Ĭisco has released an incredible new feature in ASA software version 7.2(1) that virtually eliminates the guesswork. Troubleshooting access problems through a firewall is often very difficult, especially when speed to resolution is critical.
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