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тАО09-02-2007 09:00 PM
тАО09-02-2007 09:00 PM
Procurve 2524 switch and PCM 2.2
we use PCM+ 2.2 and nagios
When "HP ProCurve Traffic Launch Service" is started, the CPU load of Procurve 2524 switches stay above 50% and sometime the switch doesn't respond to a ping command from Nagios.
if I stop "HP ProCurve Traffic Launch Service" the CPU of the switch decrease to 16/17%.
are there some parameters on PCM 2.2 for old switches ? to reduce the CPU load .
regards
Pascal
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тАО09-02-2007 10:55 PM
тАО09-02-2007 10:55 PM
Re: Procurve 2524 switch and PCM 2.2
Alternatively, limit the ports to which sampling is enabled, possibly use it only on the uplink port.
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тАО09-03-2007 02:20 AM
тАО09-03-2007 02:20 AM
Re: Procurve 2524 switch and PCM 2.2
I will try
Pascal
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тАО09-07-2007 01:26 AM
тАО09-07-2007 01:26 AM
Re: Procurve 2524 switch and PCM 2.2
I have removed statistics using "Manually disable sampling and statistics" on all ports exept the uplink but it doen't solve the problem.
are there other parameters to reduce the load of the switch ?
regards
Pascal
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тАО09-07-2007 02:05 AM
тАО09-07-2007 02:05 AM
Re: Procurve 2524 switch and PCM 2.2
If you just use 'statistics' only on the switch ports that should be okay, you just won't see the extra detail that 'sampling' gives you (tcp source and destination port, etc).
Regardless of the CPU utilisation, it should not affect layer-2 performance of the switch. Only the management will be a bit slower. If you find this is causing problems with Nagios, possibly set it to more retries.
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тАО09-11-2007 02:08 AM
тАО09-11-2007 02:08 AM
Re: Procurve 2524 switch and PCM 2.2
I have done some tests
On a 2524 switch
without sampling & stats : CPU Util = 17-19%
with stats on 1 port : CPU Util = 17-20%
with sampling & stats on 1 port : CPU Util = 30-32%
without sampling & stats : CPU Util = 17-19%
with stats on 2 ports : CPU Util = 17-25%
with sampling & stats on 2 ports : CPU Util = 33-37%
I try to use only statistics on 1 or 2 ports.
thank you for your help
Pascal