[j-nsp] QFX5100 System Process SNMP monitor

[Chris Lee]

Hi Dale

Thanks you are spot on, I ended up finding hrSystemProcesses inside the
rfc2790a MIB and was able to get exactly what I needed into PRTG

Thanks
Chris

On Sun, 20 May 2018 at 18:48, Dale Shaw <dale.shaw+j-nsp at gmail.com> wrote:

> Hi Chris,
>
>
> On Sun, 20 May 2018 at 1:01 pm, Chris Lee via juniper-nsp <
> juniper-nsp at puck.nether.net> wrote:
> >
> > Hi all,
> >
> > We recently hit a jdhcpd bug in our QFX5100 VC (14.1X53-D30 release)
> which
> > looks to be from the number of defunct zombie processes increasing over
> > time leading up to an ungraceful failover of the routing engines.
> >
> > I have LibreNMS monitoring the QFX and it automagically graphs the
> running
> > process count, but I'm struggling to figure out an SNMP MIB object number
> > that gives me the same process count, as I'd like to monitor the same
> value
> > in our existing PRTG installation to send email/SMS alerts when certain
> > thresholds are reached until we can follow JTAC's recommendation to
> upgrade
> > the QFX release to D46.
> >
> > I've downloaded the MIB pack from Juniper and tried grepping the files
> for
> > "process" and "processes" but can't seem to find anything relevant.
> >
> > Anyone familiar with the SNMP on the QFX know where I might find total
> > system process count ?
>
> Junos implements HOST-RESOURCES-MIB, so you should be able to poll the
> "hrSystemProcesses" object (gauge). Maybe that's how LibreNMS is doing it?
>
> admin at gw> show snmp mib walk hrSystemProcesses
> hrSystemProcesses.0 = 125
>
> admin at gw> show system processes summary
> last pid: 40910;  load averages:  0.20,  0.19,  0.17  up 29+08:45:43
> 08:45:48
> 126 processes: 18 running, 95 sleeping, 1 zombie, 12 waiting
> [...]
>
> Cheers
> Dale
>
>
> >
> >
> > Thanks,
> > Chris
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>