RE: [nsp] 3640 + ATM reboot problem

From: Dragan Dincic - Dine (
Date: Fri Jan 19 2001 - 03:27:36 EST

I have the similar case on my 3640 chases.

I have NM-4T and NM-1FE.
Three links on NM-4T card are serial links and fourth is Frame -relay link.
When the the thirth serial link comes - all interfaces go down.

this is hapening on:
IOS (tm) 3600 Software (C3640-I-M), Version 12.0(9), RELEASE SOFTWARE (fc1)
with 32MB and 8 Flash. Also happened on IOS - tried few different
IOS versions.

Debug info was pointing to the problem of DMA but I have tested on diferent
c3640 chases and with different DRAM and no changes. So, I'm suspecting the
NM-4T card and I have order for replacemnet. Should arrive soon and I
should test it.

I have send all info of "sh ver", "sh run", "sh stack" to cisco TAC but I
could not get help.

Swift Global (K)

-----Original Message-----
From: Siva Valliappan []
Sent: Friday, January 19, 2001 10:28
To: Nick Bastin
Subject: Re: [nsp] 3640 + ATM reboot problem

please provide "sh ver", "sh run", "sh stack" and any console messages
that are output when the router reloads.

thank you

> We have 4 3640 chassis, each with NM-1ATM25, NM-4T, and NM-1FE cards,
> running IP Plus image of 12.1(6). These boxes will run fine as long as
> we don't send any packets over the ATM links (you can set up the PVCs,
> etc.), but as soon as a packet is transmitted over the ATM link, the box
> reboots. Anybody seen this before? It does give a couple of errors (a
> counter error and something else), but I'm not near the box right now to
> transcribe exactly what they are. Each chassis has 64MB and 8MB flash.
> Thanks in advance.
> --
> Nick Bastin
> OPNET Technologies

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