Партнёры:
Хостинг:
Welcome, gentle reader.
This document hopes to enlighten you on how to do more with Linux 2.2/2.4 routing. Unbeknownst to most users, you already run tools which allow you to do spectacular things. Commands like 'route' and 'ifconfig' are actually very thin wrappers for the very powerful iproute2 infrastructure
I hope that this HOWTO will become as readable as the ones by Rusty Russell of (amongst other things) netfilter fame.
You can always reach us by writing the HOWTO team.
This document is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
In short, if your STM-64 backbone breaks down and distributes pornography to your most esteemed customers - it's never our fault. Sorry.
Copyright (c) 2000 by bert hubert, Gregory Maxwell, Martijn van Oosterhout, Remco van Mook, Paul B. Schroeder and others.
Please freely copy and distribute (sell or give away) this document in any format. It's requested that corrections and/or comments be fowarded to the document maintainer. You may create a derivative work and distribute it provided that you:
It is also requested that if you publish this HOWTO in hardcopy that you send the authors some samples for 'review purposes' :-)
As the title implies, this is the 'Advanced' HOWTO. While by no means rocket science, some prior knowledge is assumed. This document is meant as a sequel to the Linux 2.4 Networking HOWTO by the same authors. You should probably read that first.
Here are some orther references which might help learn you more:
Very nice introduction, explaining what a network is, and how it is connected to other networks
Great stuff, although very verbose. It learns you a lot of stuff that's already configured if you are able to connect to the internet. Should be located in /usr/doc/HOWTO/NET3-4-HOWTO.txt but can be also be found online
A small list of things that are possible:
Currently not many people are using these advanced features. This has several reasons. While the provided documentation is verbose, it is not very hands on. Traffic control is almost undocumented.
There are several things which should be noted about this document. While I wrote most of it, I really don't want it to stay that way. I am a strong believer in Open Source, so I encourage you to send feedback, updates, patches etcetera. Do not hesitate to inform me of typos or plain old errors. If my English sounds somewhat wooden, please realise that I'm not a native speaker. Feel free to send suggestions.
If you feel to you are better qualified to maintain a section, or think that you can author and maintain new sections, you are welcome to do so. The SGML of this HOWTO is available via CVS, I very much envision more people working on it.
In aid of this, you will find lots of FIXME notices. Patches are always welcome! Wherever you find a FIXME, you should know that you are treading unknown territory. This is not to say that there are no errors elsewhere, but be extra careful. If you have validated something, please let us know so we can remove the FIXME notice.
About this HOWTO, I will take some liberties along the road. For example, I postulate a 10Mbit internet connection, while I know full well that those are not very common.
The canonical location for the HOWTO is here.
We now have anonymous CVS access available for the world at large. This is good in several ways. You can easily upgrade to newer versions of this HOWTO and submitting patches is no work at all.
Furthermore, it allows the authors to work on the source independently, which is good too.
$ export CVSROOT=:pserver:[email protected]:/var/cvsroot
$ cvs login
CVS password: [enter 'cvs' (without 's)]
$ cvs co 2.4routing
cvs server: Updating 2.4routing
U 2.4routing/2.4routing.sgml
If you spot an error, or want to add something, just fix it locally, and run cvs diff -u, and send the result off to us.
A Makefile is supplied which should help you create postscript, dvi, pdf, html and plain text. You may need to install sgml-tools, ghostscript and tetex to get all formats.
The authors receive an increasing amount of mail about this HOWTO. Because of the clear interest of the community, it has been decided to start a mailinglist where people can talk to each other about Advanced Routing and Traffic Control. You can subscribe to the list here.
It should be pointed out that the authors are very hesitant of answering questions asked not on the list. We would like the archive of the list to become some kind of knowledge base. If you have a question, please search the archive, and then post to the mailinglist.
We will be doing interesting stuff almost immediately, which also means that there will initially be parts that are explained incompletely or are not perfect. Please gloss over these parts and assume that all will become clear.
Routing and filtering are two distinct things. Filtering is documented very well by Rusty's HOWTOs, available here:
We will be focusing mostly on what is possible by combining netfilter and iproute2.
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