Before Running Packet Capture; Using Packet Capture; Topic Page - Nortel Versalar 15000 Troubleshooting Manual

Managing and Troubleshooting the Versalar Switch Router 15000
Topic (continued)
Using a Sun Workstation or PC to Display Packets
Converting a Packet Capture File to Network Associates Sniffer Format
Packet Capture Parameters

Before Running Packet Capture

Before running packet capture, consider the following:
• Packet capture copies only packets that are error free.
• Packet capture saves the MAC addresses in native media format.
• Packet capture does not display frame check sequence (FCS) fields.

Using Packet Capture

Note: The following physical media services support packet capture on the
Versalar 15000: CSMA/CD, MCT3, Clear Channel T3, and ATM.
You can use packet capture to do the following:
• Copy all incoming packets, outgoing packets, or both.
• Filter and copy incoming packets, outgoing packets, or both.
• Filter incoming packets, outgoing packets, or both, and copy only selected
contents of those packets.
The PCAP object resides in the following contexts:
• ethernet
• atm; pvc
• atm; pvc-group; pvc
• mct3; ft1; logical-line
• mct3; ft3; t1
• mcoc3; foc3; ft3; ft1; logical-line
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