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Problems with configuring netflow

rmundy
Level 1
Level 1

I'm trying to setup up netflow to export to a collection server, but I don't see any traffic coming from the router in question to the collection server, nor do I see the flow information on the router itself when i use show ip flow cache. Any ideas on what I might be doing wrong? I'm using the defaults for this initial configuration.

3 Replies 3

avmabe
Level 3
Level 3

What kind of device?

What is the actual config on the device?

It's a 3845. The config is attached.

Hello,

set the following:

on interfaces serial0/0/0, GigabitEthernet0/0, GigabitEthernet0/1 set: ip flow ingress

or ip flow route-cache

I think that it helps. Set also flow export timers: ip flow-cache timeout active + inactive

I recommend set inactive to 30 sec and active to 1-3 minute...

Kind regards,

Jan Nejman

Caligare Co.

http://www.caligare.com

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