[Serusers] monitoring SER

[Klaus Darilion]

Hi!

Some time ago, I've tried to use "mon" (
http://www.kernel.org/software/mon/ ) and the TCP monitor to send a
INVITE message (to a non existing user) to the proxy and waiting for a
404 reply. mon was installed at the same server as ser, and if there was
no 404 coming back, I restarted ser.

Furthermore, I installed ser at two PCs which monitored themselfs using
heartbeat ( http://www.ultramonkey.org/2.0.1/ ). ser was only runnning
at one PC and if heartbeat detected a failure of the main PC it started
ser at the bakup PC and overtook the IP address of the failed server.

My results were:
1. ser never failed -> mon never had to restart ser
2. heartbeat failed very often -> both servers were running ser und
using the same IP address

regards,
Klaus

> -----Original Message-----
> From: Alexander Mayrhofer [mailto:axelm at nic.at] 
> Sent: Thursday, November 27, 2003 4:13 PM
> To: serusers at lists.iptel.org
> Subject: [Serusers] monitoring SER
> 
> 
> 
> Hi,
> 
> I'm thinking about how to monitor a running SER installation 
> end-to-end
> (which may include an authentication source, a NAT traversal box etc.)
> 
> My preferred solution would be to use Nagios (http://www.nagios.com),
> and let a Nagios plugin do e.g. a REGISTER/(de)REGISTER every few
> minutes.
> 
> Has anybody made any efforts to write a SIP plugin for 
> Nagios? Any other
> solutions you are using to monitor SER?
> 
> thanks & cheers
> 
> axelm
> 
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