Make sure you're running the latest software for the switches. SNMP bugs are very common, and due to the comprehensive polling Observium does, we hit every last one of them!
Adam.
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On 25 February 2015 08:58:57 "Arya, Renuka [BSD] - MED" <rarya@medicine.bsd.uchicago.edu> wrote:
Thanks Adam!
I was digging into the logs of the two Force 10 switches and it seems that both of the switches started reporting high CPU at the same time.
The other thing we noticed was the system reported down for the first time at about the same time (2015-02-20 at 09:57 AM) and after it came back all the ports on the switch reported deleted.
After all ports were deleted we see this weird issue of system reporting up and down intermittently and high CPU.
Please notice we don't see any issue on the switches itself. I don't see high CPU and never loose connectivity to the switches.
Thanks!
RegardsRenuka
From: observium [observium-bounces@observium.org] on behalf of Adam Armstrong [adama@memetic.org]
Sent: Tuesday, February 24, 2015 1:24 PM
To: observium@observium.org
Subject: Re: [Observium] HIgh CPU usage caused by snmp process
In the settings for the device (or globally in the config), the settings for the device is the gear icon, near the clock icon.
MIBs and Modules can be disabled on a device in the MIBs and Modules sections of the device settings.
adam.On 24/02/2015 14:40:51, Arya, Renuka [BSD] - MED <rarya@medicine.bsd.uchicago.edu> wrote:
Thanks Adam!
The modules page shows the duration for individual modules. How can I disable these modules to see if that helps?
RegardsRenuka
From: observium [observium-bounces@observium.org] on behalf of Adam Armstrong [adama@memetic.org]
Sent: Monday, February 23, 2015 10:51 AM
To: observium@observium.org
Subject: Re: [Observium] HIgh CPU usage caused by snmp process
High CPU load from SNMP shouldn't affect network performance, unless the OS in question is completely missing any form of scheduling, which I doubt FTOS is. It's far more likely that you have an unrelated network issue that is being blamed on high cpu usage.
You can see which modules take which amount of time by clicking on the clock icon to the right of the navbar on a device page.
adam.On 23/02/2015 22:49:07, Arya, Renuka [BSD] - MED <rarya@medicine.bsd.uchicago.edu> wrote:
Hi All,
Couple of our Force 10 (S4810) Switches are reporting high CPU usage which seems to be caused by snmp processes. This is impacting the network performance.
Do we know the MIBS (modules) that cause high load? And how can we disable these MIBs.
Thanks!
RegardsRenuka
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