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CCNP Security SISAS 300-208 Official Cert Guide by Kevin Redmon, Aaron Woland

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TCP Dump
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One of the most valuable troubleshooting tools available to an ISE administrator is the ability to perform a packet analysis of the RADIUS packet. The packet analysis provides visibility into the raw RADIUS attributes of an authentication, so you can determine why a specific authentication rule was chosen or not chosen.

Cisco ISE provides the capability to perform a packet capture from any interface of any node in the entire ISE cube, download the resulting PCAP file, and perform that action from the central admin console. The downloaded file can then be viewed using your favorite packet analysis tool, such as Wireshark.

The TCPDump ...

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