[mrtg] Re: SNMP V2 and ifSpeed question

[Pavel Ruzicka]

Hello,

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
---------------

Best regards,

Pavel Ruzicka

> 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.
>
> Tim
>
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