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New Member

Monitoring QOS traffic

What is the best way to monitor QOS traffic/utilisation on an interface ?

5 REPLIES
New Member

Re: Monitoring QOS traffic

show policy-map int f0/0 (or what ever your interface is)

show queueing interface

New Member

Re: Monitoring QOS traffic

Are there any monitoring tools that can also provide this informtion ?

Silver

Re: Monitoring QOS traffic

Netcordia has the NetMRI appliance ($$$) which has an additional module for monitoring QOS:

http://www.netcordia.com/products/quality-service.asp

HTH

Steve

New Member

Re: Monitoring QOS traffic

I think that it is possible to use MRTG with the correct Cisco MIB for QOS. I think that they should use ISCO-CLASS-BASED-QOS-MIB:

http://tools.cisco.com/Support/SNMP/do/BrowseMIB.do?local=en&mibName=CISCO-CLASS-BASED-QOS-MIB

It is not easy to find the correct OID I think that you have to try using snmpwalk or something like that

regards

gianrico

New Member

Re: Monitoring QOS traffic

There are commercial software tools which can report the information like Concord eHealth. You can snmp the mib yourself but it is pretty complex. QOS models can be difficult and hiarchical and there is a lot to measure and report. To make it more complex the oid's will change on every policy change so you need to script for this condition too.

There are some extensions for Cacti which are all somewhat buggy:

http://forums.cacti.net/about7401.html

http://forums.cacti.net/post-50676.html

http://forums.cacti.net/about12485.html

(also checkout this bonus link http://www.eatworms.org.uk/cacti/ for nbar and saa monitoring with cacti)

There is also an inncomplete script on http://cosi-nms.sourceforge.net/alpha-progs.html which is a nice start building your own script.

If you find something another good solution I like to hear from it.

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