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Webcast-Catalyst9k
New Member

netflow basic question

I have a 4507 with Netflow. Am I correct in understanding that I can only see the flow of one interface? I want to try netflow but am moving cautiously and know there is a lot of traffic on this switch as it has 75+ servers connected.

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Re: netflow basic question

You can see flows for multiple interfaces. You must configure each interface for netflow with the following command:

ip route-cache flow

HTH

New Member

Re: netflow basic question

I put that command at the top level; that is not as part of an interface and I have seen lots of flows when I do a sho ip cache flow. My guess is that I am looking at all interfaces and if I wanted to troubleshoot one interface then I would apply the ip route cache flow to a specific interface. Is this correct?

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