[mrtg] Re: mrtg newbie question

[Hunt, Chris]

Hi,

>From what I understand, it is possible for the interface index reference to
change when a router is changed (reloaded or whatever, cards / modules
re-inserted etc.). So tracking the unit by interface index (default
behaviour) is not a 100% reliable way to track the traffic. Although I have
not yet been bitten by this, I decided that this could be nasty and have
begun tracking interfaces by IP address. This is detailed in the MRTG
reference guide.

Regards,
Chris

-----Original Message-----
From: Quibell, Marc [mailto:mquibell at icn.state.ia.us]
Sent: 06 December 2001 14:46
To: 'mrtg at list.ee.ethz.ch'
Subject: [mrtg] mrtg newbie question



Whenever we make changes to a router interface, the graph for that interface
breaks and can no longer snmp probe the interface ("Could not match host"
error). Even if we just make unrelated changes to the interface, such as
turning off cell scrambling. A collegue here suggests that it is the changed
Identifier in what used to be a .ok  file. None of the attributes for the
interface has changed: IP address, description...etc are the same. I cannot
find any OK file. PLease tell me what has happened. Thanks.


Marc

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