Linux QOS ipv4 affects kernel using zebra for ipv6

[Xavier Sudre]

So do I have to suppose nobody had this poblem before ?

On Wed, May 08, 2002 at 05:26:54AM +0200, Xavier Sudre wrote:
> Hi everybody,
> 
> I sent 3 days to find the trouble I had with dynamic routing tool zebra
> and I have isolate a problem into the netfilter code of the kernel or
> the iptables tool.
> 
> In faact I have QOS on my linux box running Debian with 2.4.18 usagi
> kernel. The QOS is applied to ipv4 stack using iproute tool routing with
> the help of packet marquing.
> To mark packets I use iptables and the mangle table like this:
> 
> iptables -t mangle -A OUTPUT -m length --length 0:500 -j MARK --set-mark
> 3
> 
> iptables -t mangle -A OUTPUT -m length --length 500:1500 -j MARK
> --set-mark 4
> 
> I use tc tool to create cues and filter packet marked by iptables.
> 
> I have isolated this two lines of iptables marking process and they are
> doing a very starnge stuff on my dynamic routing process in ipv6.
> I use zebra bgp facilities for ipv6 and using it it does not
> redistribute routes to the kernel when marking process is used.
> In this case I have the following error message from the kernel:
> 
> kernel: route_me_harder: ip_route_output_key(dst=213.91.4.3, src=80.65.229.50,
> oif=7, tos=0x0, fwmark=0x0) error -19
> 
> I searched for a solution and switched form kernel 2.4.18 to 2.4.18 usagi, and 
> I have also tried the 2.4.19-pre8 kernel but I get always the same eror
> message. 
> 
> I am using the latest iptables 1.2.6a, and there is no bug known on
> their web-site for that problem.
> 
> Do you have any solution or any experience with this problem ?
> 
> I really hope that you would be able to help me because QOS is a big part
> of my ipv4 routing and I dont want to slow down in ipv6 because of
> ipv4...
> 
> Thanks,
> -- 
> Xavier Sudre
> URL: <http://www.sudre.fr>
> EMAIL: <xavier@sudre.fr>
> 

-- 
Xavier Sudre
URL: <http://www.sudre.fr>
EMAIL: <xavier@sudre.fr>