Re: [tlug] debian testing network setup

[Scott Robbins <scottro@example.com>]

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On Tue, Nov 30, 2004 at 02:23:08PM +0900, simon colston wrote:
> I installed debian testing by installing stable first and then apt-get 
> dist-upgrade, after setting the sources.list appropriately.  This all 
> went fine.
> 
> I then upgraded the kernel-image to 2.4.27 but after I rebooted I could 
> no longer connect to the network.
> I tried:
> # ifup eth0
> and got a "device not found" error.
> I checked out the /etc/network settings and they seem fine, and they 
> were working OK for the 2.2 kernel.
> 
> I've tried googling for "debian 2.2 2.4 kernel upgrade" and the like but 
> without luck so far.  Where should I start looking for the problem?
> 
> Hardware:
> P4, Intel 865G chipset, RealTek RTL8101L on-board LAN.

This might be the thing I mention on my Debian page 
http://home.nyc.rr.com/computertaijutsu/debian.html (although in my
case, it happened in the 2.6 kernel)  They have the tcp_ecn flag set by
default.  You might be able to fix it with

sysctl -w net.ipv4.tcp_ecn=0

(Then, recompile the kernel, removing the flag).

- --

Scott Robbins

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