setup Linux as a wireless router Post: 302236675

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Operating Systems Linux SuSE setup Linux as a wireless router Post 302236675 by sad_angle on Tuesday 16th of September 2008 04:43:37 AM

09-16-2008

Registered User

I did it 11 years ago

I am not bragging, I'm remembering some bad days. Smilie

The hardware needed:
* An Internal Wireless LAN 802.11g PCI Card adapter.
* A coax network, leading to different antennas in your 300-400 m campus area, delivering to your wireless card.
* An Ethernet card (to your xDSL or cable modem).
or * An ISDN card, if your ISP supports it.
or * A dial-up modem. That time I did it with 4 dial-up modems, and I won't get into that, to keep your sanity graph from declining.

The software:
* your Linux system.
* set a DHCP, accepting connections on the wireless card network only.
* set DNS server.
* set routing and enable NAT.
For the last point, search "Google dot com slash Linux" for "How To Masquerade On Linux Smilie

". Nowadays I recommend 'iptables' on a 2.6 kernel.

Finally, if I were you, I'd buy a $40 wireless router/access point, from somewhere. Most consumer wireless routers today are a stripped down PC, running embedded Linux or someBSD in their core, with the above settings.
However, it's a good learning project.

Good luck.

Last edited by sad_angle; 09-16-2008 at 05:55 AM..

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LEARN ABOUT DEBIAN

wireless

WIRELESS(7)						     Linux Programmer's Manual						       WIRELESS(7)

NAME

       wireless - Wireless Tools and Wireless Extensions

SYNOPSIS

       iwconfig
       iwpriv -a

DESCRIPTION

       The  Wireless  Extensions  is  an API allowing you manipulate Wireless LAN networking interfaces.  It is composed of a variety of tools and
       configuration files. It is documented in more detail in the Linux Wireless LAN Howto.
       The Wireless Tools are used to change the configuration of wireless LAN networking interfaces on the fly, to get their  current	configura-
       tion, to get statistics and diagnose them. They are described in their own man page, see below for references.
       Wireless  configuration	is specific to each Linux distribution. This man page will contain in the future the configuration procedure for a
       few common distributions. For the time being, check the file DISTRIBUTIONS.txt included with the Wireless Tools package.

DEBIAN 3.0
       In Debian 3.0 (and later) you can configure wireless LAN networking devices using the network configuration tool ifupdown(8).

       File : /etc/network/interfaces

       Form : wireless-<function> <value>
	      wireless-essid Home
	      wireless-mode Ad-Hoc

       See also :
	      /etc/network/if-pre-up.d/wireless-tools
	      /usr/share/doc/wireless-tools/README.Debian

SuSE 8.0
       SuSE 8.0 (and later) has integrated wireless configuration in their network scripts.

       Tool : Yast2

       File : /etc/sysconfig/network/wireless
	      /etc/sysconfig/network/ifcfg-*

       Form : WIRELESS_<function>=<value>
	      WIRELESS_ESSID="Home"
	      WIRELESS_MODE=Ad-Hoc

       See also :
	      man ifup
	      info scpm

ORIGINAL PCMCIA SCRIPTS

       If you are using the original configuration scripts from the Pcmcia package, you can use this method.

       File : /etc/pcmcia/wireless.opts

       Form : *,*,*,*)
		  ESSID="Home"
		  MODE="Ad-Hoc"
		  ;;

       See also :
	      /etc/pcmcia/wireless
	      File PCMCIA.txt part of Wireless Tools package

AUTHOR

       Jean Tourrilhes - jt@hpl.hp.com
       http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/

SEE ALSO

       iwconfig(8), iwlist(8), iwspy(8), iwpriv(8), iwevent(8).

wireless-tools							   4 March 2004 						       WIRELESS(7)