[mrtg] Re: SNMP V2 and ifSpeed question
pavouk at pavouk.org
Wed Apr 5 01:04:09 MEST 2006
this problem was fixed somewhere between your version and 2.13.2.
I am not 100% sure, but MRTG now probably reads low speed gauges
for slow interfaces when you have SNMP version 2 selected.
Maybe this is right change in CHANGES file:
Changes 2.11.00, 2004-12-08
From: Mike Nealon <mnealon location conversent.com>
and Larry Fahnoe <fahnoe at FahnoeTech.com>
* fix cfgmaker handling of 'lowspeed' highSpeed interfaces
> I have seen a few posts in the past regarding this, but can't find a
> definitive answer. I apologize if I have overlooked the obvious.
> We have a variety of interfaces across multiple routers (Cisco) that
> range from T1 to OC48 to GigE.
> A while back, I started using the --snmp-options=:::::2 option globally
> due to the faster interfaces. However, when I do that, the T1
> interfaces report an ifSpeed of 2000 kbits rather than the 1536 kbits
> (specified with a bandwidth statement on the interfaces) as they do when
> using V1 SNMP.
> If I want the T3 and faster interfaces to use ifHC counters, but V1
> queries on the T1 interfaces, what is the best option? I am using host
> and interface templates, so I suppose I could hack something there, but
> it sure wouldn't be very elegant.
> Running mrtg-2.10.13 on RH Linux ES3.0.
> Thanks for any help/advise you can offer.
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