Eric, I've not yet migrated to RRD, routers2, etc. and so had to come up with a hack for traditional MRTG running on Windows. My process is very similar to Dan's, in walking the SNMP tree and counting the number of channels set to 4 (established). It gives me the number of calls in progress for the entire gateway instead of per trunk, but it's a start. I'm running on Windows (with gnu grep & snmpwalk installed). At any given moment, the results of the .BAT file match the sum of the lines in use as reported by the Cisco RTMT.
My slightly cleaned .BAT script & target follow: Batch Script: @echo off snmpwalk -v 2c -c <public string> <gateway IP address> 1.3.6.1.2.1.10.21.1.3.1.1.9 | grep "INTEGER: 4" -c > \inuse.txt type \inuse.txt type \inuse.txt echo 0 echo Calls in progress del \inuse.txt MRTG Target: ### Calls in progress Target[ccvg01_current_calls]: `cmd /c \mrtg\scripts\testcalls.bat` YLegend[ccvg01_current_calls]: Current Calls ShortLegend[ccvg01_current_calls]: Legend1[ccvg01_current_calls]: Current Calls Legend2[ccvg01_current_calls]: . Legend3[ccvg01_current_calls]: Maximum observed current calls Legend4[ccvg01_current_calls]: . LegendI[ccvg01_current_calls]: Calls: LegendO[ccvg01_current_calls]: Calls: WithPeak[ccvg01_current_calls]: ywm MaxBytes[ccvg01_current_calls]: 780 Title[ccvg01_current_calls]: Current calls for CCVG01.ccis.edu Options[ccvg01_current_calls]: growright, gauge, unknaszero, noo, nopercent PageTop[ccvg01_current_calls]: <h1>Current calls for CCVG01 </h1> HTH, David From: [email protected] [mailto:[email protected]] On Behalf Of Eric Brander Sent: Monday, November 23, 2009 8:35 AM To: [email protected] Subject: [mrtg] Cisco VOIP Monitoring Greets List, I see in the archives a few questions over the years about monitoring Cisco VOIP for such things as active calls, trunks in use and other performance stats. Not many (or any) answers really. I've searched through MIBs and OIDs and really have come up empty. By chance is anyone here using MRTG and SNMP or a script to monitor such things on a Cisco Call Manager or a router acting as a voice gateway? TIA, Eric Brander
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