[j-nsp] RE : SNMP if-mib stops responding

[Ido Szargel]

Hi,

Thanks for the info, restarting the PFED did solve our issue.

Regards,
Ido.

-----Original Message-----
From: Tarique A. Nalkhande - BMC [mailto:t.nalkhande.bmc at mobily.com.sa] 
Sent: Tuesday, February 15, 2011 10:51 PM
To: david.roy at orange-ftgroup.com; Pekka Savola; Ido Szargel
Cc: juniper-nsp at puck.nether.net
Subject: RE: [j-nsp] RE : SNMP if-mib stops responding

Hello,

PR#
NUMBER  	566681
SEVERITY 	major
CATEGORY 	sw
STATE 	closed
SYNOPSIS 	show interface statistics stuck, show pfe statistics traffic returns an error
COMMITTED-IN RELEASE 	-
ARRIVAL DATE 	2010-11-17 13:47:29
LAST MODIFIED 	2011-01-27 13:51:26
CLOSE DATE 	2010-12-21 10:31:39
RELEASE NOTE 	On MX routers running Junos 10.2 and above, under certain conditions it is possible for command 'show interface statistics' to get stuck (i.e. not return anything and hung); 'show pfe statistics traffic' to return "error: the mib-process subsystem is not responding to management requests" and SNMP queries failing. If this issue is encountered, a restart of the pfed process recovers from the error. Restart PFED via root shell ps -A | grep pfed | egrep -v grep | awk '{print $1}' | xargs kill Only if running 10.2S4, where in pfed tracing got enabled by mistake, execute the below to disable pfed tracing. ps -A | grep pfed | egrep -v grep | awk '{print $1}' | xargs kill -INFO Note the kill -INFO results in a toggle action - if pfed tracing is OFF, it is truned ON and if it is enabled it is turned OFF.

Thanks & Regards
Tarique Abbas Nalkhande


-----Original Message-----
From: juniper-nsp-bounces at puck.nether.net [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of david.roy at orange-ftgroup.com
Sent: 15 February, 2011 10:40 PM
To: Pekka Savola; Ido Szargel
Cc: juniper-nsp at puck.nether.net
Subject: [j-nsp] RE : SNMP if-mib stops responding

Hi 

We encountered this issue in 10.2R3 (fixed in 10.2S6.3). Mib2d and PFED become stuck due to a bug (PR). You need to restart the pfed process (it manages PFE stats : no issue if you  restart it). 

Kill, via the shell, the PFEd process (there is no restart via cli). it will restart then. 

Regards,
David

________________________________________
De : juniper-nsp-bounces at puck.nether.net [juniper-nsp-bounces at puck.nether.net] de la part de Pekka Savola [pekkas at netcore.fi] Date d'envoi : mardi 15 février 2011 18:50 À : Ido Szargel Cc : juniper-nsp at puck.nether.net Objet : Re: [j-nsp] SNMP if-mib stops responding

On Tue, 15 Feb 2011, Ido Szargel wrote:
> We have tried to restart both the mib-process and the snmp.
> Even with local snmpwalk we don't see any interfaces:

In many cases like these, we've had to restart chassisd (chassis-control).  This is service-impacting.

--
Pekka Savola                 "You each name yourselves king, yet the
Netcore Oy                    kingdom bleeds."
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