ROUTER#sh ip flow export
Flow export v5 is enabled for main cache
Exporting flows to X.X.X.X (PORT)
Exporting using source interface Serial0/0.123
Version 5 flow records, peer-as
0 flows exported in 0 udp datagrams
0 flows failed due to lack of export packet
0 export packets were sent up to process level
0 export packets were dropped due to no fib
0 export packets were dropped due to adjacency issues
0 export packets were dropped due to fragmentation failures
0 export packets were dropped due to encapsulation fixup failures
I guess that's the problem! Why would it not be doing anything? Perhaps an access list is blocking it, but if that was the case I would think it wouldn't be working on the core router as they are similar ACLs…
From: Robert Atkinson [mailto: [EMAIL PROTECTED]]
Sent: Thursday, September 08, 2005 1:32 PM
To: Ross Wimmersberger
Cc: [email protected]
Subject: Re: [Flow-tools] Multiple routers
The -S1 on the collector for flow-tools gives you an idea if the router is exporting, lists drops and fails. It'll log to syslog every minute.
On a cisco router there is options to tell how many flows are failing, on 12.X it's in the show ip I believe. (flow-export I think)
On 9/8/05, Ross Wimmersberger < [EMAIL PROTECTED]> wrote:
I tried to add some additional routers and so far am not having any
luck... First question, is there a way on the router to tell if it's
sending flows? Second, this is on a frame relay network, so the routers
have a serial side and a lan side IP, I set it to export on the "closest
to the collector" which is the serial side. I can ping the collector
from the serial side. In the CUFlow.cf file I added the serial side IP
under the Routers table this enabled it to show up in the web but no
stats are being updated.
I also ran a tcpdump src IP of the serial side and all I saw there was
some snmp stuff, nothing on the port for flowscan...
Probably something simple im missing as I am new to all of this.
Ross
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