Tuesday, April 10, 2007

Cisco Tip: Configuring SPAN on 2950 switches

If you plan on enabling the Switched Port Analyzer (SPAN) feature in your network, there is an important point you should keep in mind if you use 2950 switches: 2950s can't monitor VLANs.

If you are using 2950s, you will have to configure source and destination ports with the monitor session command, as follows:

(config)#monitor session 1 source interface fastethernet 0/1

(config)#monitor session 1 destination interface fastethernet 0/24


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