Re: [LARTC] (no subject)

["Lei Bao" <baolei79@hotmail.com>]

the data transfer port of ftp (in most cases at least) is 20 at the service 
side.
try to match this. i have done this before.

bl

>From: Stef Coene <stef.coene@docum.org>
>To: "Nandan Kaushik" <nandan_kaushik@rediffmail.com>, lartc@mailman.ds9a.nl
>Subject: Re: [LARTC] (no subject)
>Date: Fri, 3 May 2002 12:21:13 +0200
>
>On Friday 03 May 2002 11:09, Nandan Kaushik wrote:
> > hi all,
> > Iam using the following CBQs to limit the FTP bandwidth
> > pease tell what changes are rquired to make it work....
>You are only matching port 21.  This is only the command path.  There is 
>also
>a data-path in an ftp-channel.  But the data-channel has no fixed ports.  
>So
>you can't match them.   But there is a iptables-hack that can mark all
>ftp-packets and after that you can use that mark with the fw filter to put
>all packets in a class.
>
>Stef
>
> >
> > tc qdisc del dev eth0  root
> > tc qdisc add dev eth0 root handle 1:0 cbq allot 1514 avpkt 1000
> > bandwidth 100Mbit
> > tc class add dev eth0 parent 1:0 classid 1:1 cbq allot 1514
> > bandwidth 100Mbit rate .4Mbit  weight .4 prio 2   maxburst 20 cell
> > 8 avpkt 1000
> >
> > tc class add dev eth0 parent 1:0  classid 1:2 cbq allot 1514
> > bandwidth 100Mbit rate .6Mbit weight .4 prio 4   cell 8 maxburst
> > 20 avpkt 1000
> >
> > tc qdisc add dev eth0 parent 1:1 handle 10:1 sfq
> >
> > tc qdisc add dev eth0 parent 1:2 handle 20:1 sfq
> >
> > tc filter add dev eth0 parent 1:0 protocol ip prio 1 u32 match ip
> > sport 21  0xffff match ip dport 21 0xffff flowid 1:1
> >
> > ip route add    172.17.1.0/24 via 172.17.1.0 dev eth0 realm 10
> >
> > tc filter add dev eth0 parent 1:0 prio 2 protocol ip route to 10
> > flowid 1:2
> >
> > Thanks
> > NAndan
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>--
>
>stef.coene@docum.org
>  "Using Linux as bandwidth manager"
>      http://www.docum.org/
>      #lartc @ irc.openprojects.net
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