From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stef Coene <stef.coene@docum.org>
Date: Fri, 11 Oct 2002 10:42:47 +0000
Subject: Re: [LARTC] 'sport' is good but 'dport'?
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To: lartc@vger.kernel.org

On Sunday 13 October 2002 03:20, =B9=DA=C1=A4=C0=BA wrote:
> hi all
>=20
> I just tried to test whether the HTB works well or not .. (policy is very
> simple ^^;;)
=20
> I tried HTB simulator 'Ethloop' with lo (loopback ) and I found HTB works
> well....(very well)
=20
> So I changed lo to eth0  and tested ..
>=20
> ./tc qdisc add dev eth0 root handle 1: htb default 10
> ./tc class add dev eth0 parent 1: classid 1:1 htb rate 500kbps ceil
> 500kbps
 ./tc class add dev eth0 parent 1:1 classid 1:2 htb rate 180kbps
> ceil 500kbps ./tc class add dev eth0 parent 1:2 classid 1:10 htb rate
> 150kbps ceil 500kbps prio 2 ./tc class add dev eth0 parent 1:2 classid 1:=
11
> htb rate 5kbps ceil 10kbps prio 2 ./tc class add dev eth0 parent 1:1
> classid 1:12 htb rate 10kbps ceil 20kbps prio 1 ./tc qdisc add dev eth0
> parent 1:10 handle 20: pfifo limit 5
> ./tc qdisc add dev eth0 parent 1:11 handle 30: pfifo limit 5
> ./tc qdisc add dev eth0 parent 1:12 handle 40: sfq perturb 10
>=20
> ./tc filter add dev eth0 protocol ip parent 1:0 prio 1 u32 match ip sport
> 23 0xffff flowid 1:11
 ./tc filter add dev eth0 protocol ip parent 1:0 prio
> 1 u32 match ip sport 80 0xffff flowid 1:12=20
>  It works well with outgoing packets .. =20
>=20
>  BUT!!  =20
>=20
>   I changed last two lines to control Incoming packets .. like below..
> ./tc filter add dev eth0 protocol ip parent 1:0 prio 1 u32 match ip dport
> 23 0xfffe flowid 1:11
 ./tc filter add dev eth0 protocol ip parent 1:0 prio
> 1 u32 match ip dport 80 0xfffe flowid 1:12=20
> It never works .. !!   If I send to 23 port 50kbps  It receive 50kbps.. I
> have no idea .. =20
=20
> Did I thought wrong?   =20
Yes :)

You can only shape outgoing packets.  If you want to shape incoming packets=
,=20
you can use policers or the imq device. =20

Stef

--=20

stef.coene@docum.org
 "Using Linux as bandwidth manager"
     http://www.docum.org/
     #lartc @ irc.oftc.net

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