[mrtg] Re: Dynamic IP

[PAUL WILLIAMSON]

If you are not monitoring the box itself, no.
If you are monitoring devices that will answer 
snmp queries from any box, no.

If you are monitoring the MRTG box via ip, yes.
If you are monitoring devices that expect queries to 
come from a specific IP address, yes.

Depending on how you answer will depend on what you 
can do or not.  I had a situation where my box 
changed ip addresses occasionally.  I just wrote a 
script that would check once an hour to verify the 
ip address was the same.  If it wasn't, I made the 
appropriate changes to the config files, suspended 
querying of all targets, fired off another script that 
updated the access lists of all the devices I was 
monitoring, then re-enabled monitoring.  Real PITA.
I got it changed to a static address eventually, 
because my script was causing odd graphs as a result 
of having to take one or two polls off to change all 
the access lists.

Paul

>>> "Mike McCandless" <michael at prismbiz.com> 05/20/02 18:38 PM >>>

I am running MRTG on a 'nix box.  The IP address is assigned
dynamically.  While the IP address doesn't change very often, it does
change every other week or so.  Do I need to do anything to MRTG, e.g.
re-build a config file, when the IP changes?


--------------------------------------------------------
Mike McCandless
michael at prismbiz.com

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