[Nagiosplug-help] monitoring F5 bigIP Load Balancers

[Thomas Guyot-Sionnest]

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On 17/06/08 08:36 AM, Heiko wrote:
>>> Hello Thoms,
>>> sorry for the late response, been/am busy here:
>>> I did a restart pf the snmpd deamon on one LB which gave me some stats back.
>>> To get the rest working I had to set the global nagios timeout to 180 seconds,
>>> i only did this with the -t option, which got overriden by nagios...
>>>
>>> Now im getting happy, nice plugin, thx for that and help.
>>>
>>>
>> mmh, after some minutes it did go to the old status, vserver are
>> monitored but the pools get an timeout, again :(.

Hello. Please keep the discussion on the list as it may help others as
well...

Pool monitoring on the 9.x requires walking the table and counting the
lines... this can take some time is there's some latency between your
monitoring server and the BigIP.

Increasing the timeout could help, but it might be worth trying this as
well:

Locate the line ear the top which says:
$snmpwalkcmd = '/usr/bin/snmpwalk';

and change it to:
$snmpwalkcmd = '/usr/bin/snmpbulkwalk';

This will do SNMP BULKWALK requests instead, which should be faster.
AFAIK the parameters for snmpbulkwalk are the same...

Thomas
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