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To: "Giacomo Gorgellino" <giacomo.gorgellino,AT,contisoft,DOT,it>, <cipe-l,AT,inka,DOT,de>
Subject: Re: Cipe 1.6.0 VPN stalled if big file are transferred
From: "Giacomo Gorgellino" <giacomo.gorgellino,AT,contisoft,DOT,it>
Date: Fri, 3 Mar 2006 14:32:50 +0100
References: <007a01c63ea4$52653180$4b2c66ad@contisoft>
Reply-to: "Giacomo Gorgellino" <giacomo.gorgellino,AT,contisoft,DOT,it>

> I have some trouble by transferringa a 80MB file with scp between the 2
> endpoint of cipe VPN on adsl link.
>
> When I try to transfer this file, after about 1 minute the connection
become
> very slow and the scp transfer status after few seconds is stalled.
>
> It stays in this status for about 30 seconds and then it return to
transfer
> the file for about 1 minute and then again return stalled.
>
> Obviously, I tried also to transfer some file from the adsl directly but i
> not found any trouble.
>
> End points are:
>
> Celeron 566 Mhz
> RAM 256 (swap is never used)
> kernel 2.4.29
>
> Pentium 4 2.6Ghz
> RAM 768 (swap is never used)
> kernel 2.4.29
>
> When this happened "top" command tell me that cpu usage of ciped-cb is
never
> over 7% and scp 3%.
> Also max Cpu usage is never over 10-12%
>
> What happened ?
>
> -Giacomo-
>  LiNUX User: 371384
>
>
>
>

Doing some tcpdumps I found that when scp goes stalled there isn't any
tcp/22 traffic but also there isn't any udp/6061 (which is my cipe port) on
the adsl interface...

... what may be meaning ? I can't find any explanation of this... :-(

-Giacomo-


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