From: Andy Furniss [mailto:andy.furniss@xxxxxxxxxxxxx]
Sent: Thu 1/12/2006 2:43 PM
To: comp.techs
Cc: lartc@xxxxxxxxxxxxxxx
Subject: Re: Gred/dsmark/htb
comp.techs wrote:
> Hi, I am trying to get assured
forwarding/expedited forwarding with gred and htb working. Below is the script I
am using.
> The following steps are what I thing is how the script works.
My problem is that if I remove the HTB qdisc from the script and have the GREDS
parent as the dsmark it works, but when I add the htb as a parent of GRED and
DSmark the parent of htb it does not work?
>
> Any suggestion
appreciated.
> thx jason
>
> 1. The DS field is
marked by iptables in prerouting/mangle to the appropriate class.
>
2. DSMark masks the ds and copies ths dscp to the tcindex field.
>
3. filters are selected as per what dscp there handle is.
> 4. the
minor of the filter is returned back to the dsmark and copied to the
tcindex
>
>
> #!/bin/sh
>
tc qdisc del dev eth0 root
> tc qdisc add dev eth0 handle 1:0 root dsmark
indices 16 set_tc_index
> tc filter add dev eth0 parent 1:0 protocol ip
prio 1 tcindex \
> mask 0xfc shift 2 pass_on
> #af class 1
I
think all the filters below here should be on 2:0
> tc filter add dev
eth0 parent 1:0 protocol ip prio 1 \
> handle 10 tcindex classid
1:11
> tc filter add dev eth0 parent 1:0 protocol ip prio 1 \
>
handle 12 tcindex classid 1:12
> tc filter add dev eth0 parent 1:0
protocol ip prio 1 \
> handle 14 tcindex classid 1:13
> #af class
2
Andy.
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