[cisco-voip] Monitor Historical PRI Usage

[Simon, Bill]

We're doing something similar with Cricket.  Our gateways are 6608 T1 PRI
and instead of telnetting, we are using perl to fetch the web status page
(which includes number of active calls) and scrape the data from it.



 

> -----Original Message-----
> From: Tim Reimers [mailto:tim.reimers at asheville.k12.nc.us] 
> Sent: Tuesday, August 01, 2006 10:06 AM
> To: cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] Monitor Historical PRI Usage
> 
> I'm trying to use MRTG to do this---
>  
> This script:
> #!/usr/bin/perl 
>  
> use Net::Telnet::Cisco;
>  
> my $session = Net::Telnet::Cisco->new(Host => 
> 'router.ip.address.xxx');
> $session->login(Password => 'telnetpassword-goes-here');
>  
> # Enable mode
> if ($session->enable("enable-pass-goes-here") ) {
>     my @output = $session->cmd('sh voice call status');
>     print @output;
> } else {
>     warn "Can't enable: " . $session->errmsg;
> }
>  
> $session->close;
>  
>  
> This is the result-
> 
> [root at acslinux scripts]# ./isdncalls.pl 
> CallID     CID  ccVdb      Port        DSP/Ch  Called #   Codec
> Dial-peers
> 0x4A1F7    2B51 0x843764A0 1/1:23.7    11/2   *92533459   g711ulaw
> 2000/10050
> 0x4A215    1930 0x84100A54 1/0:23.5    5/1     6101       g711ulaw
> 1090/2005
> 0x4A221    1935 0x84100A54 1/0:23.1    4/1     7000       g711ulaw
> 1090/2005
> 0x4A224    3551 0x843764A0 1/1:23.5    10/4   *8002382727 g711ulaw
> 2000/10100
> 0x4A229    1937 0x84100A54 1/0:23.3    4/3     6500       g711ulaw
> 1090/2005
> 0x4A22C    3751 0x843764A0 1/1:23.6    11/1   *92164936   g711ulaw
> 2000/10050
> 6 active calls found
> [root at acslinux scripts]# 
> 
> 
> I haven't found a way to get that using pure SNMP, which would be more
> secure
> than having your telnet/enable in clear text in a perl script...
> 
> Does anyone know the OID that is represented here?
> 
> 
> I'm still working on the rest of the Perl script to strip away 
> all the call info and leave only the last line, then strip everything
> but the first digit
> off that line..
> Which would result in the script returning a '6' in this case..
> 
> 
> MRTG config would look like this:
> 
> [root at acslinux mrtg]# cat isdnusage.cfg 
> WorkDir: /var/www/html/mrtg/hosts
> 
> #############################################################
> # ISDN Usage for ACS pri router
> # ip address xxx.xxx.xxx.xxx
> 
> Title[isdnpri]: ACS 2600 PRI router
> MaxBytes[isdnpri]: 5000
> AbsMax[isdnpri]: 10000
> Options[isdnpri]: gauge
> Target[isdnpri]: `/usr/local/ciscoscripts/isdnusage.pl`
> PageTop[isdnpri]: <H1>ISDN channel usage on PRI</H1>
>         <P>Measures ISDN channel usage via a perl script getting the
> 'show voice call active'  </P>
> YLegend[isdnpri]: ISDN calls active
> ShortLegend[isdnpri]: ms
> Legend1[isdnpri]: Maximum calls
> Legend2[isdnpri]: Minimum calls
> WithPeak[isdnpri]: ymwd
> 
> #-------------------------------------------------------------------
> 
> 
> 
> That, and putting
> 
> */5 * * * * root /usr/bin/mrtg /etc/mrtg/isdnusage.cfg --logging
> /var/log/mrtg.log
> 
> into /etc/cron.d/mrtg
> 
> would do it...
> 
> 
> 
> All I'm lacking is taking the output of that sh active command and
> trimming it down to being nothing but the number of calls...
> 
> 
> 
> ________________________________
> 
> From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Jeff Anderson
> Sent: Monday, July 31, 2006 2:00 PM
> To: cisco-voip at puck.nether.net
> Subject: [cisco-voip] Monitor Historical PRI Usage
> 
> 
> 
> I have a mgcp controlled PRI that I would like to be able to view its
> utilization on. In particular I would like to know average 
> and peak ds0
> usage. I can find this information in realtime using perfmon/RTMT. The
> problem is I would like to collect this data and view it at a later
> time. I configured logging (in perfmon) for this particular 
> DS-1 and the
> file grew to 100MB (*.blg) but when I go to view it, nothing is there.
> Probably user error but I can't seem to figure it out. 
> 
>  
> 
> I also tried CAR using the Gateway Utilization report but 
> that only give
> me "% of Calls". Does anyone know of a better way to collect 
> this data?
> Any help is appreciated.
> 
>  
> 
> Thanks,
> 
>  
> 
> Jeff 
> 
> 
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