[j-nsp] M160 SFM BOGUS ERRORS

[Devin Kennedy]

Due to the shared memory architecture of the M160, the bogus cells could be coming from any of the FPCs or the problem could be the SFM itself.  Usually the problem is caused by an FPC in my experience.  

To isolate the offending FPC, you can do the following steps:
 
1) reboot each FPC one at a time
2) look for any bchip (or bogus cell) errors reported in syslog during bootup
 
This should expose the FPC that is introducing the bogus cells.
 
But JTAC may have more commands they can run that may not require you to reboot the FPC's one by one if this router is a critical router.  So I would recommend opening a case with them.  

 

-----Original Message-----
From: Mario Andres Rueda Jaimes [mailto:maeve2009 at gmail.com] 
Sent: Thursday, June 09, 2011 11:22 AM
To: Devin Kennedy
Cc: juniper-nsp at puck.nether.net
Subject: RE: [j-nsp] M160 SFM BOGUS ERRORS

Devin

We are running junos 9,6R3.8 the messages seen once the SFM goes up, are like this

Jun  9 13:58:16    fpc0 DCHIP(0/3): H/S link Tx12(0) overflow
Jun  9 13:58:16   fpc0 DCHIP(0/3): H/S link Tx12(1) overflow
Jun  9 13:58:16   fpc6 DCHIP(6/0): H/S link Tx12(1) overflow
Jun  9 13:58:16   fpc6 DCHIP(6/0): H/S link Tx12(2) overflow
Jun  9 13:58:19   fpc7 DCHIP(7/1): H/S link Tx12(0) overflow
Jun  9 13:58:19   fpc0 DCHIP(0/3): H/S link Tx12(1) overflow
Jun  9 13:58:20   fpc0 DCHIP(0/3): H/S link Tx12(0) overflow
Jun  9 13:59:15   fpc6 DCHIP(6/0): H/S link Tx12(1) overflow

right now only bogus errors are seen

Regards


-----Mensaje original-----
De: Devin Kennedy <devinkennedy415 at hotmail.com>
Para: 'Mario Andres Rueda Jaimes' <maeve2009 at gmail.com>, juniper-nsp at puck.nether.net
Asunto: RE: [j-nsp] M160 SFM BOGUS ERRORS
Fecha: Thu, 9 Jun 2011 10:34:18 -0400

In my experience, these can be caused by either the SFM or one of the FPCs.


In the messages log, do you see any B chip errors?  What version of Junos?  

Usually this indicates a hardware issue and often requires an RMA of the faulty SFM or FPC.  You should open a case with JTAC for this.  


-----Original Message-----
From: juniper-nsp-bounces at puck.nether.net
[mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Mario Andres Rueda Jaimes
Sent: Thursday, June 09, 2011 10:12 AM
To: juniper-nsp at puck.nether.net
Subject: [j-nsp] M160 SFM BOGUS ERRORS

Hi All,

We are getting following error messages on our M160 Router, there is no traffic impact, anyone can help with this ?


Jun  9 14:03:57   sfm2 Bogus Cell incremented since last 
reported.                3
Jun  9 14:05:27   sfm2 Bogus Cell incremented since last reported.  



Thanks and Regards

_______________________________________________
juniper-nsp mailing list juniper-nsp at puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp