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SubjectRe: How to find a sick router with 2.6.17+ and tcp_window_scaling enabled
Willy Tarreau wrote:
> On Tue, Aug 15, 2006 at 02:53:33PM -0500, Mark Reidenbach wrote:
>
>> Willy Tarreau wrote:
>>
>>> He may very well have an IOS based 1600 or equivalent doing a very dirty
>>> NAT.
>>>
>>> Willy
>>>
>>>
>>>
>> Willy, I am in fact running an IOS based NAT/firewall on a 1811. It's
>> IOS version 12.3(8)YI1. Do you know if this version has a "very dirty
>> NAT" implementation? If you don't, I think I'll just try a few spare
>> home routers and see if their NAT implementation is cleaner than my Cisco's.
>>
>
> I have absolutely no idea. If they borrowed the session tracking code from
> the PIX, you might have window tracking inside it, which might cause what
> you observe if it's buggy. But that's just supposition from me.
>
>
>> Mark Reidenbach
>> EveryTruckJob.com
>> M.Reidenbach@EveryTruckJob.com
>> Phone: (205)722-9112
>>
>
> Regards,
> willy
>
>

I'm just posting this as a follow-up in case anyone runs across the same
problem I experienced and couldn't find a solution. My problem was the
old Cisco IOS [Version 12.3(8)YI1] that came installed on my Cisco 1811
router I purchased in March 2006. I believe this is still the default
shipping version for this router, so anyone who buys one really needs to
get a Cisco support contract for it from a Cisco reseller so they can
download a new/working IOS [Version 12.4(9)T1 was the most recent as of
this email and was the one I used].
Mark Reidenbach
EveryTruckJob.com
M.Reidenbach@EveryTruckJob.com
Phone: (205)722-9112


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