Configuring 4200 IPS to promiscuous mode

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Aug 7th, 2007
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We are changing our 4200 from inline mode to promiscuous mode that is connected to our redunant 6509 core switches. Internally we disagree if we need to create a span on the 6509's to send the traffic to the 4200. Has anybody doen this or does anyone know how this is to be configured. Any help would be great.

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p-allen Tue, 08/07/2007 - 05:28
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we have never had it in promiscuous mode before. I think we need to do a SPAN and my co-worker disagrees. If I understand you correctly you are saying we need a SPAN...correct???

mhellman Tue, 08/07/2007 - 05:37
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yes, or VACLs. At least, I can't think of any other way to get all the switch traffic down to a single port or couple ports. You certainly can't just plug it into a switch port in promiscuous mode and expect to see all traffic.

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