Re: newbie: TC[NG] with (256kbit/s down and 768kbit/s up) on a router

Linux Advanced Routing and Traffic Control

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On Sunday 25 April 2004 09:06, Andy Furniss wrote:
> Jason Boxman wrote:
> > Egress is easy.  Ingress seems to be a topic that is discussed often on
> > LARTC, and I believe your options are to either use an ingress policer or
> > the IMQ target.  The former you can do directly with tcng, the latter I
> > believe you cannot.
>
> I know nothing about TCNG so can't help there.
>
> You can shape ingress without using IMQ as long as you have just one LAN
> interface and don't care about traffic headed for the shaping PC. You
> just shape on the LAN interface.

But *how* does such a setup now looks like, either in tcng or in gc syntax?

This is what I actually do:
- --------------------------------------------------
#! /bin/sh

DEV=ppp0
UP=256
DOWN=768
CLIENTS="192.168.2.1 192.168.2.2 192.168.2.3 192.168.2.5 192.168.2.6 192.168.2.7 192.168.2.8"
TC=$(which tc)

# reset
$TC qdisc del dev ${DEV} root &>/dev/null
$TC qdisc del dev ${DEV} ingress &>/dev/null

# attach HTB queue discipline to device $DEV
$TC qdisc add dev $DEV root handle 1: htb default 12

# create client classes for shaping DOWN-stream
crate=$[DOWN / NumClients]
i=0
for host in $CLIENTS; do
  $TC class add dev $DEV parent 1:1 classid 1:1$i htb rate ${crate}kbit ceil ${DOWN}kbit
  $TC filter add dev $DEV protocol ip parent 1:0 prio 1 u32 match ip src $host flowid 1:1$i
  i=$[i + 1]
done

# TODO shaping UP stream
- --------------------------------------------------

This is my script. And I do not really now, *where* to differ
here to once shape down-stream, and once to shape the up-stream

I'd be really really very happy, if someone would point
me in this *wrong* script to the right direction.

Many thanks,
Christian Parpart.
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