Question about IPC in 4500

Unanswered Question
Jan 11th, 2010

Dear Mister

I have a 4500 chassis, with two supervisors.

The active supervisor  send the next messages:

%IPC-5-REGPORTFAIL: Registering Control Port Id=0x2010003 timeout=0x6
-Traceback= 1022E55C 105DE3A8 105DE42C 1030F26C 10305C08

When we try to put command by console, was impossible. The second supervisor can´t take the control. The equipoment stay "stuck".

By that reason, i have some questions:

- IPC ¿What is it?

- The messages, information in Cisco web I didn´nt find. In your experience is a hardware problem?? or software problem? I must to open a TAC Case.

Best Regards

I have this problem too.
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Giuseppe Larosa Mon, 01/11/2010 - 10:51

Hello Rodrigo,

IPC generally means inter process comunication, here could mean inter processors communication meaning the two supervisors.

you may have an hardware failure or you may be hitting a SW bug.

May you post a sh module to see the type of supervisors and the IOS image running?

Hope to help

Giuseppe

rodrigo.hernandez Mon, 01/11/2010 - 11:15

Dear Mister

I attach the "show module":

CORE_CL_EC#show module
Chassis Type : WS-C4507R

Power consumed by backplane : 40 Watts

Mod Ports Card Type                              Model              Serial No.
---+-----+--------------------------------------+------------------+-----------
1     2  Supervisor II+ 1000BaseX (GBIC)        WS-X4013+          JAE1037B5WL
2     2  Supervisor II+ 1000BaseX (GBIC)        WS-X4013+          JAE1037B5WX
3    48  10/100/1000BaseT (RJ45)V, Cisco/IEEE   WS-X4548-GB-RJ45V  JAB084303K8
4    48  10/100/1000BaseT (RJ45)V, Cisco/IEEE   WS-X4548-GB-RJ45V  JAE0922E20A
5    48  10/100/1000BaseT (RJ45)V, Cisco/IEEE   WS-X4548-GB-RJ45V  JAE1037B7PH
6    48  10/100/1000BaseT (RJ45)V, Cisco/IEEE   WS-X4548-GB-RJ45V  JAE1036AMCR
7    48  10/100/1000BaseT (RJ45)V, Cisco/IEEE   WS-X4548-GB-RJ45V  JAE1037B344

M MAC addresses                    Hw  Fw           Sw               Status
--+--------------------------------+---+------------+----------------+---------
1 0018.ba78.3f80 to 0018.ba78.3f81 4.2 12.2(31r)SG2 12.2(25)EWA6,    Ok
2 0018.ba78.3f82 to 0018.ba78.3f83 4.2 12.2(31r)SG2 12.2(25)EWA6     Ok
3 0012.43ce.bee0 to 0012.43ce.bf0f 2.1                               Ok
4 0014.693c.e240 to 0014.693c.e26f 2.3                               Ok
5 0019.2f99.9d90 to 0019.2f99.9dbf 3.1                               Ok
6 0018.baff.e300 to 0018.baff.e32f 3.1                               Ok
7 0019.2f8f.c2b0 to 0019.2f8f.c2df 3.1                               Ok

Mod  Redundancy role     Redundancy mode     Redundancy status
----+-------------------+-------------------+-------------------
1   Standby Supervisor  SSO                 Standby hot
2   Active Supervisor   SSO                 Active

Can a lot of traffic in a lot of ports be the reason for this.

We configure a Cacti Server, and at the moment of this problem, we have a lot of traffic (undetermined at this time), and the equipment show the next message by console:

%% Low on memory; try again later

 

%% Low on memory; try again later

 

Thank you very much.

Best Regards

Giuseppe Larosa Tue, 01/12/2010 - 00:22

Hello Rodrigo,

>> %% Low on memory; try again later

this clearly means the device has not enough memory to handle a VTY session.

This is not related to traffic volume but it is likely caused by memory leakage that is a process that is not releasing memory.

High traffic volume can cause high cpu usage not high memory usage.

It is wise to think of using another IOS image, you need to load it on supervisors and then you can restart the standby first.

if I'm not wrong you are using 12.2(25)EW6 you can think of installing a newer one.

short in memory should be likely caused by a SW bug.

Hope to help

Giuseppe

Yekcir123 Wed, 05/30/2012 - 10:44

Rodrigo, did you get this fixed?  I have a 3750G stack that is giving me the same error.  We're running 12.2(25)SEE3 code.

Sebastian Helmer Mon, 06/04/2012 - 13:54

I have the same problem right now too with 12.2(25) SEE2 on a 3750G Stack after a power problem.

I'm very interested in a explanation..

regards,

Sebastian

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