Re: [LARTC] IMQ Setup-- first example

Linux Advanced Routing and Traffic Control

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Could some one respond to this post please

hare


> Hi all
>
> thanks to Mr Devik , Mr Stef, Mr Patrick
>
> At last iam able to successfully compiles with RH 9.0 with Iptables 1.2.8
> with IMQ
> not all are working fine with out any Errors, and iam able to see the
> traffic on IMQ Interface, when i mark the packets
>
> on test base i have made a small example below, need confirmation
>
> below example, iam trying to control up+down= 128kbps for the ip of
x.x.x19
>
> when try to download from internet, i was getting approximately 18.3Kil0
> bytes
>
> when i try up load the same time, to one of my local FTP server, which is
> located out side my LAN
> iam able to transfer the rate of 14Kilo Bytes, and the download speed
> decreased to 4+ kilo bytes
>
> so i assume my setup is running perfectly both the ways, but i did not use
> postrouting..... i have used only prerouting...
>
> my setup is like this
>
>     ----- FTP Server
> LAPTOP--Switch--Eth1(Bridge)Eth0---Switch ---|
>
>     -----Internet
>
>
>
> modprobe imq numdevs=1
>
>  tc qdisc add dev imq0 handle 1: root htb default 1
>  tc class add dev imq0 parent 1: classid 1:1 htb rate 1mbit
>
>  tc qdisc add dev imq0 parent 1:1 handle 10: htb default 5
>  tc class add dev imq0 parent 10: classid 10:1 htb rate 128kbit burst 3k
> prio 1
>  tc class add dev imq0 parent 10: classid 10:2 htb rate 128kbit burst 3k
> prio 2
>  tc class add dev imq0 parent 10: classid 10:5 htb rate 1mbit prio 3
>
>  tc qdisc add dev imq0 parent 10:1 handle 21:0 sfq
>  tc qdisc add dev imq0 parent 10:2 handle 22:0 sfq
>  tc qdisc add dev imq0 parent 10:5 handle 23:0 sfq
>
>  tc filter add dev imq0 protocol ip pref 1 parent 10: handle 1 fw classid
> 10:1
>  tc filter add dev imq0 protocol ip pref 2 parent 10: handle 2 fw classid
> 10:2
>
>  iptables -t mangle -A PREROUTING -i eth1 -j IMQ --todev 0
>  iptables -t mangle -A PREROUTING -i eth1 -s x.x.x.19 -j MARK --set-mark 1
>
>  ip link set imq0 up
>
>
> so is this setup correct, i need to make some more correction, please
> suggest
>
> thanks
> hare
>
>
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