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Subject: Re: strange problem with CIPE & NAT
From: "insecure,AT,mail,DOT,od,DOT,ua" <insecure,AT,mail,DOT,od,DOT,ua>
Date: Mon, 24 Feb 2003 18:30:09 +0100
In-reply-to: <3E5A3806.4010003@nordtech.ee>

On Monday 24 February 2003 13:19, Martin Pedak wrote:

> Now, for example:
> i start my XP and all - CIPE tunnel and routing, etc - works fine.
>
> i can ping all machines in internal network, eaven the names are resolved.

Small packets get through and back

> but there is some problem:
>
> when i do ssh (using PuTTY) connection to some machine in internal
> network (call it TEST), and type for example "ls -la" in big directory
> then connection hangs.
>
> when i browse samba shares - i can get only listing of the shares, but
> can not get inside - connection hangs ...

But bigger ones do not. MTU / PMTU / ip fragmentation/reassembly problem?

> but :) when i test with gateway machine i can not recreate problem: ssh
> to GW (internal addres) and i cat very big files - nothing happens..
> works fine.
>
> How to solve this issue?

Check MTU settings of the links. Use tcpdump to see actual eth frames
on the wires.
-- 
vda





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