how to SPAN intervlan traffic on Cat4500/SupIV for IDS?

Unanswered Question
Oct 27th, 2003
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I can't find in the docs how to SPAN intervlan traffic on Cat4500/SupIV for IDS monitoring.


Imagine that you have a huge server-farm-VLAN, and a huge users-VLAN, and a Catalyst 4500 is routing between them. You want to monitor with IDS only the traffic between these VLANs, you don't care about if one server is talking to another, and your IDS doesn't even have the capacity to monitor server backups.

How can we SPAN this?

Thanks for any suggestions.

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