Re: converting sflow into netflow using sflowtool does not

Neil,

Thank you for your reply. I did use the -i in tcpdump and there was
definetly no traffic being forwarded. I will try re-compiling from source.
Thanks!

James

>From: Neil McKee <neil.mckee@inmon.com>
>To: "clau_cdn clau_cdn" <clau_cdn@msn.com>
>CC: traffic-management@inmon.com
>Subject: Re: [traffic-management] converting sflow into netflow using
>sflowtool does not work
>Date: Wed, 13 Sep 2006 17:43:40 -0700
>
>James,
>
>There are no limitations about using localhost. This should work.
>
>First thought: did you include "-i lo" in the tcpdump command line?
>Something like "tcpdump -i lo udp port 2055" should do it.
>
>Second thought: you could download the sources, compile with -g, and
>run using gdb(1). Then you can add print statements, set breakpoints and
>single-step to make sure it is working. One of the perks of open-source
>:)
>
>regards,
>neil
>
>
>On Sep 13, 2006, at 4:23 PM, clau_cdn clau_cdn wrote:
>
>>I am trying to convert the sFlow datagrams into NetFlow and have a little
>>problem. The agent is an HP ProCurve switch, the agent is enabled,
>>configured and the datagrams are arriving at the collector (a linux box).
>>On the collector (linux box) I do this:
>>
>>#./sflowtool -c localhost -d 2055
>>
>>I want that the sFlow traffic to be converted and forwarded to the same
>>machine (localhost) to port 2055. Using tcpdump I can confirm that there
>>is nothing converted/sent to my 2055 port. I can see that all the sFlow
>>traffic arrives successfully from the agent and so far I can isolate this
>>problem at the sflowtool processing phase. Is this a limitation of
>>sflowtool aka I have to use a separate machine for collecting than the
>>one which does the forwarding?
>>
>>Any input would be greately appreciated, thanks!
>>
>>James
>>
>>_________________________________________________________________
>>Buy what you want when you want it on Sympatico / MSN Shopping
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>
>
>
>----------
>Neil McKee
>http://www.inmon.com

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Received on Thu Sep 14 07:42:54 2006