[Xymon] oddness with protocols.cfg

Clark, Sean sean.clark at twcable.com
Mon May 14 23:19:02 CEST 2012


SooooŠ no way to test xymond with xymonnet, eh? :-D


The issue I had, is I have xymon behind a load balancer, and wanted to be
sure "xymon" is up and not just that port 1984 is listening

The xymon ping in protocols.cfg looked perfect but commented outŠ. Now I
see why


--

Sean Clark
Sr. Engineer, Software
ATG Network Operations & Planning Integrated Regional OSS
<http://www.twcable.com/DepartmentOverview/AdvancedTechnologyGroup/ATG/NOP/
OSS/Network.aspx>
sean.clark at twcable.com  <mailto:sean.clark at twcable.com> devaudio
<aim://devaudio>  <mailto:sean.clark at twcable.com>
Cell: (315) 415-2816






On 5/14/12 3:51 PM, "Henrik Størner" <henrik at hswn.dk> wrote:

>On 14-05-2012 21:42, Clark, Sean wrote:
>> I had this set in the protocols.cfg
>>
>> [bbd]
>> send "ping"
>> expect "xymond"
>> port 1984
>>
>> I tried this then
>>
>> [bbd]
>> send "ping\r\n"
>> expect "xymond"
>> port 1984
>>
>> Shows yellow
>
>Yes, well ... let's just say that xymond has some very specific
>requirements about the TCP/IP protocol. Which the Xymon network tester
>doesn't fulfill.
>
>(Technically, xymond expects the client to send a FIN packet - usually
>done by calling "shutdown(socket, SHUT_WR)" before it will assume that
>the entire command has been sent - and only then will it process the
>request and send a response).
>
>> Manually running
>>
>> [sclark at bastion?~]~bb/server/bin/XXX.com "ping"
>> xymond 4.3.7
>>
>> Works, but doing something like this doesn't
>> -bash-3.2$ telnet localhost 1984
>> Trying 127.0.0.1...
>> Connected to localhost.localdomain (127.0.0.1).
>> Escape character is '^]'.
>> ping (hit enter here)
>> ^] (give up after waiting for a while)
>> telnet> quit
>
>Nope, same reason - telnet doesn't shutdown the session the way xymond
>expects.
>
>So you are not doing anything wrong - it's just xymond that behaves oddly.
>
>
>Regards,
>Henrik
>_______________________________________________
>Xymon mailing list
>Xymon at xymon.com
>http://lists.xymon.com/mailman/listinfo/xymon


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