What is this Cisco process?

John J jazzyjpz at gmail.com
Tue Mar 29 17:04:20 CDT 2011


I wonder if you were seeing 14% CPU over 5min avg BECAUSE the SFP supported
DOM or was it a bug due to DOM. In other words, maybe the fact that the SFP
supported DOM just took up a bit more CPU due to the diagnostic function. Is
it normal I guess is what I'm wondering...

-J

On Tue, Mar 29, 2011 at 3:38 PM, Joe Renwick <joe at gonetforward.com> wrote:

> So thanks to all for the help.  It was an SFP.  Here is CPU with bad SFP:
>
>   plf-access#
>
> plf-access#sh proc cpu sorted
>
> CPU utilization for five seconds: 11%/0%; one minute: 18%; five minutes:
> 21%
>
>  PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process
>
>   41   237737055   1095169     217078  5.11% 11.74% 14.87%   0 SFF8472
>
> Here is CPU with SFP taken out:
>
>   plf-access#sh proc cpu sorted
>
> CPU utilization for five seconds: 5%/0%; one minute: 17%; five minutes: 21%
>
>  PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process
>
>  106         322       437        736  0.79%  0.07%  0.03%   0 Exec
>
>
> Confirmed it was the SFP by pulling it in and out a couple times.
>  Processor
> flapped right along.
>
>
> Thanks again to all,
>
>
> Joe
>
>
> "Well, I have no direct experience with the 3560, but SFF-8472 is a spec
> that includes diagnosting monitoring of SFPs..."
>
>
>
> On Tue, Mar 29, 2011 at 1:32 PM, Joe Renwick <joe at gonetforward.com> wrote:
>
> > It was consistent... Since I started managing the device with Cacti on
> > Sunday it was dead red at that level.  Was an SFP... going to post a
> > response now.
> >
> > Joe
> >
> >
> > On Tue, Mar 29, 2011 at 1:23 PM, Hayden Katzenellenbogen <
> > hayden at nextlevelinternet.com> wrote:
> >
> >> Hey Joe,
> >>
> >> Is the CPU usage consistent or fluctuating?
> >>
> >> -H
> >>
> >> -----Original Message-----
> >> From: Joe Renwick [mailto:joe at gonetforward.com]
> >> Sent: Tuesday, March 29, 2011 3:52 AM
> >> To: nanog at nanog.org
> >> Subject: What is this Cisco process?
> >>
> >> Hello,
> >>
> >> Have a Cisco 3560 running "flash:/c3560-ipbasek9-mz.122-55.SE1.bin".
> >> Been
> >> running at 20% CPU since we started it:
> >>
> >> [image: plf-access - CPU Usage]
> >>
> >> The switch is completely layer-2... basic configuration.  CPU
> >> utilization is
> >> soley based on a single process:
> >>
> >> plf-access#sh proc cpu sorted
> >> CPU utilization for five seconds: 27%/0%; one minute: 25%; five minutes:
> >> 24%
> >>  PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process
> >>  41   232891470   1072247     217210 20.12% 18.99% 18.01%   0 SFF8472
> >>
> >>  78     2376721    123621      19225  0.95%  0.22%  0.17%   0 HULC Tcam
> >> Memory
> >>  303         299       163       1834  0.47%  0.23%  0.07%   2 SSH
> >> Process
> >>
> >>  55      106535  11303527          9  0.15%  0.02%  0.00%   0 RedEarth
> >> Tx
> >> Mana
> >>
> >> Anybody have a clue what this process is?
> >>
> >> Thanks for the time.
> >>
> >> Cheers,
> >>
> >> --
> >> Joe Renwick
> >> IP Network Consultant, CCIE #16465
> >> GO NETFORWARD!
> >> Direct: 619-800-2055, Emergency Support: 800-719-0504
> >> Is your network moving you forward?
> >>
> >
> >
> >
> > --
> > Joe Renwick
> > IP Network Consultant, CCIE #16465
> > GO NETFORWARD!
> > Direct: 619-800-2055, Emergency Support: 800-719-0504
> > Is your network moving you forward?
> >
> >
> >
>
>
> --
> Joe Renwick
> IP Network Consultant, CCIE #16465
> GO NETFORWARD!
> Direct: 619-800-2055, Emergency Support: 800-719-0504
> Is your network moving you forward?
>



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