[mrtg] Re: IfIndex on Cisco

Sawyer, David david.sawyer at uk.mckhboc.com
Wed Feb 13 12:14:06 MET 2002

That's assuming you don't use ip unnumbered on the interface.

Also look at using "--ifref=descr"
This will label your targets like "\Serial1/0"

For me it makes things easier to review and locate errors :-)



> -----Original Message-----
> From: Kristjan Thordarson [mailto:kth at hp.is]
> Run cfgmakeer like"cfgmaker --ifref=ip community at router"
> I had the same problem, with this option the targets are 
> referenced by IP address of the interface.
> Kristjan.
> -----Original Message-----
> From: Rainer Sokoll [mailto:R.Sokoll at intershop.de] 
> Hi,
> if I have a config reading like:
> Target[targetid]: 1:
> the interface with the index 1 is monitored.
> No, if someone add/delete an interface on that box and reboot 
> it, the IfIndex might change. AFAIK, in newer versions of IOS 
> there is a feature "Interface Index Persistence", but I do 
> not own the box that I monitor. Does anyone know about a way 
> to have mrtg monitoring the right interface?
> Rainer

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