[mrtg] Preventing sysUptime check for individual targets

[Hirschorn, Steven]

Hi all,

I'm trying to use MRTG to plot the number of concurrent sessions on our Checkpoint firewall and having difficulty because MRTG tries to get the sysUptime value.

The firewall has two SNMP daemons listening on different TCP ports, and the number of concurrent sessions is available from just one of them.  The target I've set is:

Target[IPADDRESS_0]: 1.3.6.1.4.1.2620.1.1.25.3.0&1.3.6.1.4.1.2620.1.1.25.4.0:COMMUNITYSTRING at IPADDRESS:260

MRTG checks for sysUptime on port 260 (it's counted by the other SNMP Daemon though), errors and doesn't gather the concurrent user value.  If I set the global "NoMib2" variable, this all works, and it gathers the concurrent sessions stats.  However, I'd like the uptime stats to be included on the html pages for the other targets we're monitoring.

Is there a way I can disable the sysUptime check for a single target, or tell MRTG that if it wants to query values from that OID, it needs to use a separate port on the same target?

Hope this makes sense - thanks for any help you can provide!

-- 
Steven Hirschorn 
Systems Support Engineer 
ICT Department 
The National Archives 

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