[mrtg] Adapting mrtg conf to changes in network topology
steve.dutky at pgcmls.info
Tue Jun 29 00:14:50 CEST 2010
I have started to upgrade my network equipment. This will result in some
significant changes to network topology.
I plan as well to move the mrtg host to a virtual server, but until then I
would like maintain a coherent history during this changeover.
It appears that I can do this most easily by plugging the mrtg config with
new values in for the Target and altering the SetEnv, Title, and PageTop
Once I have the new topology in place, I would like to move and reconfigure
mrtg to more easily accomodate future changes to the network. I think
this would involve putting devices in /etc/hosts and configuring device
interface descriptions (SNMPv2-SMI::enterprises.22.214.171.124.1.28.) with a
characteristic topological id.
The link below describes a shell script that rewrites the mrtg config to map
interface description to ifindex.
Is there another way to do this? I would certainly appreciate hearing how
to handle moving the mrtg host and adapting to changes in network ports and
graphing cisco virtual interface/PPPoE users)
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