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тАО09-19-2006 10:27 PM
тАО09-19-2006 10:27 PM
I can detect the utilisation easily enough through SNMP in/out octets but I have no idea how to determine what's actually using the bandwidth?
Is this stored in a MIB somewhere?
Regards,
Graham.
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тАО09-20-2006 01:22 AM
тАО09-20-2006 01:22 AM
SolutionI don't have a script for you and I am certain that those sort of details would not be exposed in simple OIDs. Depending on what model of switch you have and the level of RMON2 it supports, you could have the switch push the details to you. Nothing as simple as a script to pull them though. PCM+ does this as do other advanced NMS systems that support TopN data collection.
Even at that, the word "simple" as in SNMP is a bit of a misnomer as there is nothing simple about coercing the data out of the switch. It has been discussed here before and I have tried to get my Fluke software to gather TopN data from HP switches but unfortunately I have reached my level of incompetence.
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тАО09-20-2006 02:16 AM
тАО09-20-2006 02:16 AM
Re: Script to capture top bandwidth users
I'm dealing with cisco switches and routers.
They have netflow configured on them and I thought that I would be able to query TOPN details from their onboard buffer cache through the CISCO-NETFLOW.MIB.
This doesn't appear to be possible though.
Thank you,
Graham.
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тАО09-20-2006 05:21 AM
тАО09-20-2006 05:21 AM
Re: Script to capture top bandwidth users
Anyway, here is the thread that I mentioned.http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=900791
I never did get my Fluke WGA to gather history stats from HP ports. What I am doing now is to mirror whatever port I am interested in to my Fluke WGA and then I read out the Fluke's own history details. It also lets me easily capture network traces that way.
All that said, I think you can find several software applications under GPL that will gather TopN from Cisco gear. Far better IMHO than trying to cobble together your own code.
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тАО05-01-2007 02:56 AM
тАО05-01-2007 02:56 AM