Using SPAN on VLANs

Posted on 2007-08-03
Last Modified: 2013-11-05
I know how to use SPAN to monitor traffic on ports. How do I configure it for use to monitor traffic on VLANS. I dont want an answer like "Use VSPAN"  I need an actual example. Thanks
Question by:trath
    LVL 50

    Expert Comment

    by:Don Johnston
    All you have to do is replace the "interface x/x " with "vlan x" in the "monitor session 1 source" command.

    LVL 32

    Expert Comment


    mon sess 1 source vlan <vlan_4>  rx
    mon sess 1 destination interface <switch_interface>

    -harbor235 ;}

    LVL 32

    Accepted Solution


    mon sess 1 source vlan <VLAN_to_monitor>  rx
    mon sess 1 destination interface <switch_interface>

    Fill in the < > with your parameters.

    -harbor235 ;}


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