Hello, I am wondering if anyone has a clever way to remotely monitor a Kamailio 1.5 server. I am not looking for the standard monitoring, what I am looking to achieve is catching situations where my upstream carrier is having problems. We have a certain level of 404, 500, 503 errors throughout the day which are not indicative of a major carrier problem. I want to be able to monitor the ratio of properly setup calls to failed setups - so I can know when a carrier is having issues and is responding with many 503 errors.
Any push in the right direction would be greatly appreciated.
thanks.
You can log negative replies from a failure route, or put them in a database, or issue an HTTP request.
On 03/19/2010 01:53 PM, Geoffrey Mina wrote:
Hello, I am wondering if anyone has a clever way to remotely monitor a Kamailio 1.5 server. I am not looking for the standard monitoring, what I am looking to achieve is catching situations where my upstream carrier is having problems. We have a certain level of 404, 500, 503 errors throughout the day which are not indicative of a major carrier problem. I want to be able to monitor the ratio of properly setup calls to failed setups - so I can know when a carrier is having issues and is responding with many 503 errors.
Any push in the right direction would be greatly appreciated.
thanks.
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Hello,
On 3/19/10 7:28 PM, Alex Balashov wrote:
You can log negative replies from a failure route, or put them in a database, or issue an HTTP request.
On 03/19/2010 01:53 PM, Geoffrey Mina wrote:
Hello, I am wondering if anyone has a clever way to remotely monitor a Kamailio 1.5 server. I am not looking for the standard monitoring, what I am looking to achieve is catching situations where my upstream carrier is having problems. We have a certain level of 404, 500, 503 errors throughout the day which are not indicative of a major carrier problem. I want to be able to monitor the ratio of properly setup calls to failed setups - so I can know when a carrier is having issues and is responding with many 503 errors.
Any push in the right direction would be greatly appreciated.
if you have a fixed number of carriers and use snmp, then you can define some statistics.
I use htable with 3.0 and dump them via mi/rpc command. I do not need to have persistence, otherwise I would use database.
Usually at the beginning of production I catch every reply in onreply_route and have classes of replies per carrier in hashtable, kind of
if(status=~"4[0-9][0-9]") { $sht(ht=>$si::4xx) = $sht(ht=>$si::4xx) + 1; }
Dumping the content via rpc from time to time for analysis, which is good for checking after restarts.
Cheers, Daniel
On Friday 19 March 2010, Geoffrey Mina wrote:
I am wondering if anyone has a clever way to remotely monitor a Kamailio 1.5 server. I am not looking for the standard monitoring, what I am looking to achieve is catching situations where my upstream carrier is having problems. We have a certain level of 404, 500, 503 errors throughout the day which are not indicative of a major carrier problem. I want to be able to monitor the ratio of properly setup calls to failed setups - so I can know when a carrier is having issues and is responding with many 503 errors.
Any push in the right direction would be greatly appreciated.
Hi Geoffrey,
you probably do this already, but i've found the ASR rate (200 OK - failures) which we generate from our accounting a really helpful value to quickly notice a QoS problem for a certain carrier. Especially if you can compare against past data, like the last day, or last week. If you then add NER (200 Ok - "carrier failures") it gives you an even better picture.
You probably should be able to build something like this also with the htable approach Daniel suggested and some web graph tool.
Cheers,
Henning
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Alex Balashov -
Daniel-Constantin Mierla -
Geoffrey Mina -
Henning Westerholt