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North American Network Operators Group

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Re: Any Cisco-experienced folks wanna tackle this one?

  • From: Jason Lixfeld
  • Date: Tue Sep 29 10:56:34 1998

So I take it you cannot load the IOS in the flash?  Have you tried getting
into ROMMON> by breaking the boot?  That may help decipher where the
problem lies.  It may be the pre-boot flash (I think the Ciscos have a
shrunken bootflash and then a full size IOS image in flash).

My $0.02.

On Mon, 28 Sep 1998, Kevin Brown wrote:

> I will expect replies to this message directly as it doesn't really fit
> into the normal fodder for nanog, but it is a last ditch effort for problem
> resolution.
> 
> I have a customer who I am integrating into our network via a T1 link and
> have already gotten all the nominal routing setup prepared.  This customer
> is using RFC1918 addressing on his LAN, and requires a firewall-type
> solution with NAT capabilities.  Bless this customer for thinking ahead
> with his internal addressing :=)
> 
> Anyway,  I have run into a problem with his hardware/software provisioning
> and I think this can be recreated in a lab environment:
> 
> Cisco 1601 router
> 6 MB Flash
> 4 MB DRAM
> WIC-1DSU-56K4
> IP Plus/Firewall IOS version 11.3
> (actual image name: c1600-nosy-mz.113-3.T )
> 
> Everytime I have start the router, I get a software crash that TAC says
> should not be happening. 
> 
> If anyone else might have this equipment setting around, and be willing to
> replicate this and see what happens for you, I would much appreciate
> hearing about it. I'm thinking I've found an ewps in the code/hardware
> configuration and have just provisioned a non-working solution. I'd like to
> hear what the rest of you might come up with.  Yes, I know it's a small
> configuration, but surely we've all got lessor routers in the field with
> similar requirements.
> 
> 
> Thanks in advance if you would assist
> 
> Kevin Brown
> 





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