shaping traffic

shaping traffic

[Miguel González Castaños]

Dear all,

 I have set up a 486 as router with RedHat. I have compiled the kernel
with QoS support.

 I have a switch connected to the LAN interface of the router and three
PCs connected to that switch. Two of them are Windows 2000 Workstations
and the other a linux web server. I am still in the installation process
so I havent got all the cables and all the workstations and servers set
up.

 A friend of mine gave me a script to shape the inbound traffic for the
linux server, that way I could limit the inbound traffic to the web
server and I could ssh the linux box with a better latency...

 What I am wondering is how I could shape the traffic in the same way in
the linux router, that way I could ssh the linux server from the
Internet to the LAN (through NAT) and be downloading my e-mail or any
stuff from the Windows Workstations at the same time with a low
latency...

 Any hints? I am new into this shapping things...

 Many thanks in advance and sorry for my English...

 Miguel

Re: shaping traffic

[Matías López Bergero]

Miguel González Castaños wrote:
>  What I am wondering is how I could shape the traffic in the same way in
> the linux router, that way I could ssh the linux server from the
> Internet to the LAN (through NAT) and be downloading my e-mail or any
> stuff from the Windows Workstations at the same time with a low
> latency...

Check this page: http://www.lartc.org/
In the howto explains the queueing disciplines for bandwidth management 
on linux, and other very interesting topics.
There is also an spanish version of the howto :)

Also take a look at this page: http://luxik.cdi.cz/~devik/qos/
The home page of HTB queueing discipline. It's like CBQ but I read over 
there, that it's better in certain way, and I'm using it to make the QoS 
test on my linux box.

Also you will find very interesting information in this page: 
http://www.docum.org/

For an easy start check the scripts CBQ.init and HTB.init at sourceforge.

Saludos!
Matías.

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