[mrtg] MRTG and VPN Sessions

[Sid Payne]

I am very new to SNMP and MRTG. I have spent the last week or so reading
everything I can but I am a bit stuck. I have gotten it to work with
interfaces just fine. My problem comes in trying to measure things like
sessions.

I have a Cisco VPN box. In walking the MIB I found what I believe to be the
OID for current sessions. I can see the number of sessions with Getif and
they match the number reported by the web interface. So I thought I would
graph it with MRTG. Below is the section of my .cfg that I setup. I get some
data, but it does not make sense.

## Sessions ###

Options[192.168.0.18_sessions]: gauge
Target[192.168.0.18_sessions]:
1.3.6.1.4.1.3076.2.1.2.17.1.1:communitystring at 192.168.0.18:
SetEnv[192.168.0.18_sessions]: MRTG_INT_IP="192.168.0.18" MRTG_INT_DESCR=""
MaxBytes[192.168.0.18_sessions]: 100
Title[192.168.0.18_sessions]: sessions -- vpn
PageTop[192.168.0.18_sessions]: <H1>sessions -- vpn</H1>

### Sessions ###

I am running the latest version of MRTG on a Win2k box.

Thanks in advance for helping a newbie.


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