From: Viktor Kemmet <Viktor.Kemmet@t-online.de>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] Marking
Date: Thu, 21 Mar 2002 21:06:42 +0000 [thread overview]
Message-ID: <marc-lartc-101674480200678@msgid-missing> (raw)
In-Reply-To: <marc-lartc-101665894626463@msgid-missing>
Ali badilli wrote:
> Hi everybody,
>
> Does anybody know any tool, we can mark packets' ToS
> field?. I would like to mark packets in ingress router
> and classify them in core router based on their ToS
> field (DSCP in Diffserv).
>
> Thanks in advance
>
>
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>
Have you tried iptables:
(see man-page for iptables)
iptables -A OUTPUT -t mangle -p tcp --sport telnet \
-j TOS --set-tos Minimize-Delay
Or you can do it with tc:
(setting TOS according to destination port)
TC=tc
EGDEV="dev eth0"
#
#
############################################################
######################## Egress side ########################
# attach a dsmarker
#
$TC qdisc add $EGDEV handle 1:0 root dsmark indices 64 set_tc_index
#
# values of the DSCP to change depending on the class
#
#becomes EF
$TC class change $EGDEV classid 1:1 dsmark mask 0x3 \
value 0xb8
#becomes AF11
$TC class change $EGDEV classid 1:2 dsmark mask 0x3 \
value 0x28
#becomes AF21
$TC class change $EGDEV classid 1:3 dsmark mask 0x3 \
value 0x48
#
#
# The class mapping
#
$TC filter add $EGDEV parent 1:0 protocol ip prio 4 u32 \
match ip dport 5001 0xffff classid 1:1
$TC filter add $EGDEV parent 1:0 protocol ip prio 4 u32 \
match ip dport 5002 0xffff classid 1:2
$TC filter add $EGDEV parent 1:0 protocol ip prio 4 u32 \
match ip dport 5003 0xffff classid 1:3
#
echo "---- qdisc parameters Egress ----------"
$TC qdisc ls $EGDEV
echo "---- Class parameters Egress ----------"
$TC class ls $EGDEV
echo "---- filter parameters Egress ----------"
$TC filter ls $EGDEV parent 1:0
Just for testing, ping and mgen can set TOS field as well.
Regards
Viktor
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next prev parent reply other threads:[~2002-03-21 21:06 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-20 21:14 [LARTC] Marking Ali badilli
2002-03-21 21:06 ` Viktor Kemmet [this message]
2003-01-27 4:50 ` [LARTC] marking Jay Wineinger
2003-01-27 18:17 ` Stef Coene
2003-01-28 3:55 ` Jay Wineinger
2003-01-28 9:52 ` Stef Coene
2003-01-28 19:56 ` Stef Coene
2003-01-28 21:47 ` Jay Wineinger
2003-01-29 17:33 ` Stef Coene
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