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Re: Fwd: Question about kernel and IPv6...

To: michael@xxxxxxxx
Subject: Re: Fwd: Question about kernel and IPv6...
From: Pekka Savola <pekkas@xxxxxxxxxx>
Date: Wed, 23 Oct 2002 11:09:16 +0300 (EEST)
Cc: netdev@xxxxxxxxxxx
In-reply-to: <1035360350.3db6585e0bdce@webmail.debianlinux.dk>
Sender: netdev-bounce@xxxxxxxxxxx
Please try using 2000::/3 route instead of "default" route and see if that 
helps.

You could also try to ensure you've enabled IPv6 forwarding.

On Wed, 23 Oct 2002 michael@xxxxxxxx wrote:

> Alan Cox have recommended my to forward my questions to you, hope you will 
> help 
> me!
> 
> Read the following:
> 
> ----- Videresendt meddelelse fra michael@xxxxxxxx -----
>     Dato: Wed, 23 Oct 2002 09:42:51 +0200
>     Fra: michael@xxxxxxxx
> Reply-To: michael@xxxxxxxx
>  Emne: Question about kernel and IPv6...
>       Til: Alan Cox <alan@xxxxxxxxxx>
> 
> To Alan Cox!
> 
> Hi Alan,
> 
> I am working on a master thesis called ?Internet Protocol version 6?.
> 
> In the project I have to setup a test-network for analyzing the RIPng 
> protocol 
> etc. I am using four normal Intel PC?s each running Debian Linux, with a 
> custom 
> compiled kernel 2.4.19 downloaded from www.kernel.org. Two of the PC?s are 
> running as a software-based router (using Zebra 0.92a-6), and the other is 
> separately working as a client and server, respectively connect to router1 
> and 
> router2.
> 
> My problem is when I try to send an ICMPv6 request via the WAN-link (router1 
> and router2) from the client, I not getting any response from server. The 
> problem only appears when I try making a connection via the WAN-link, and not 
> from router1<->server and router2<->client.
> 
> My question is:
> 
> - Could a problem be due to a wrong kernel-configuration? (I can attach 
> the .config if you are interested).
> 
> - What "kernel mechanism" is responsible for routing/transporting data 
> between 
> two interfaces? (I think that?s the problem in router1 and router2. Zebra is 
> only exchanging the "IPv6 kernel routing information" between router1 and 
> router2, and it is working fine).
> 
> - What kernel version have most IPv6 features build-in ?? (Maybe a feature is 
> missing in 2.4.19. I have read an article about patching the kernel: 
> http://project6.ferrara.linux.it/papers/best_ipv6_support_4_linux/best_ipv6_supp
> ort_4_linux.html, it is necessary?).
> 
> I hope you understand what my main problem is ? English is not my primary 
> language.
> 
> I have got many information from mailinglists, messagesboards and homepages, 
> but the main problem is, that those information is conflicting. That?s why I 
> writing to the Linux Guru him self. 
> 
> Btw. You are doing a very good job with the Linux kernel!
> 
> Best regards,
> 
> Michael Olsen
> 
> Atkins Danmark A/S, Tele 
> Pilestræde 58
> DK-1112 København K
> Telefon: +45 8233 9154
> Fax:     +45 8233 9017
> 
> ----- Slut af videresendt meddelelse -----
> 
> 

-- 
Pekka Savola                 "Tell me of difficulties surmounted,
Netcore Oy                   not those you stumble over and fall"
Systems. Networks. Security.  -- Robert Jordan: A Crown of Swords



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