But this link only mentions 12.0(5)XK.
I am using FTP with NAT and CET, the only complain I am having right now is
the users find that small files, less than 1K, can not be transferred. No
problem so far with big files.
Jack
""Buri, Heather H"" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]..
.
> Hi George,
>
> I came across the following information regarding FTP and NAT from the
Cisco
> website. It sounds like this could be what was going on:
>
> CSCdk03906
>
> When running NAT and encryption, FTP fails, but Telnet and ping work. The
> TCP checksum is not calculated correctly. Removing NAT or encryption
> resolves the problem.
>
> For performance reasons, decryption is not done until the packets are
> switched to the output interface. This caused the problem with IOS NAT,
> because NAT may need to do the payload translation for certain protocols.
> The affected protocols include FTP and NetBios, for example.
>
> Here is the complete URL for the article:
>
>
http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/relnote/3600
> ser/rn3600xk.htm
>
> Heather Buri
>
> -Original Message-
> From: George Kadeishvili [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, February 08, 2001 8:00 AM
> To: [EMAIL PROTECTED]
> Subject: NAT and FTP
>
>
> Hi all!
> We came across a strange problem. We'we been doing NAT from ethernet to
> serial,
> all the things seem to be working, except FTP. Problem got resolved
> after turning off tcp header compression on serial. I couldn't find any
> notion of it on CCO. Is it a bug, or I'm missing somethings obvious?
> Regards
> George
>
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