Linux setup as IPX router and TCP/IP router??

Linux setup as IPX router and TCP/IP router??

Post by Achie Li » Fri, 13 Dec 1996 04:00:00




> >From the IPX-HOWTO (section 7):

>   7.  Configuring your Linux machine as an IPX router.

>   If you have a number of IPX segments that you wish to internetwork you
>   need the services of a router. In the Novell environment there are two
>   pieces of information which are necessary to be propagated around the
>   network.  They are the network routing information propagated using
>   Novell RIP, and the service adverti*t information propagated using
>   Novell SAP. Any router must support both of these protocols to be
>   useful in most situations.

>   Linux has support for both of these protocols and can be fairly easily
>   made to function as a fully Novell compliant router.

>   The Linux kernel IPX support actually manages the IPX packet
>   forwarding across interfaces, but it does this according to the rules
>   coded into the IPX routing table. Linux needs a program to implement
>   the Novell RIP and SAP to ensure that the IPX routing table is built
>   correctly and updated periodically to reflect changes in the network
>   status.


>   daemon that will do this for you.

>   You can find ipxripd at:

>   sunsite.unc.edu
>   <ftp://sunsite.unc.edu/pub/Linux/system/Filesystems/ncpfs/ipxripd-0.7.tgz>

>   or at Volkers home site at:

>   ftp.gwdg.de <ftp://ftp.gwdg.de/pub/linux/misc/ncpfs/ipxripd-0.7.tgz>

>   Configuring your Linux machine to act as a router is very
>   straightforward.  The steps you must take are:

>   1. Build your kernel with IPX, Ethernet and /proc support.

>   2. Obtain, compile and install the ipxd daemon program.

>   3. Boot the new kernel and ensure that each of the Ethernet cards has
>      been properly detected and there are no hardware conflicts.

>   4. Enable the IPX protocol on each of the interfaces using the
>      ipx_interface command described above.

>   5. Start the ipxd daemon program.

>   Consider the following simple network:

>    IPX Addr: 0x01000000  802.2
>   |--------------------------|
>                 |
>                 \_________________________
>                                           \          Linux Router
>    IPX Addr: 0x02000000  802.2             \
>   |--------------------------|              \   eth0/-----------\
>                 |                            \--====|           |
>                 \_________________________          | IPX route |
>                                           \     eth1|  Table    |
>    IPX Addr: 0x03000000  etherII           \----====|    ^      |
>   |--------------------------|                      |    |      |
>                 |                               eth2|  IPXd     |
>                 \______________________________/====|           |
>                                                     |  SAPd     |
>    IPX Addr: 0x04000000  etherII                eth3|           |
>   |--------------------------|                 /====|           |
>                 |                              |    \___________/
>                 \______________________________/

>   The configuration for the above network would look like:

>   # ipx_interface add eth0 802.2 0x0100000000
>   # ipx_interface add eth1 802.2 0x0200000000
>   # ipx_interface add eth2 etherii 0x0300000000
>   # ipx_interface add eth3 etherii 0x0400000000
>   # ipxd

>   You should then wait a moment or two and check your
>   /proc/net/ipx_route file and you should see it populated with the IPX
>   routes relevant to your configuration and any learned from any other
>   routers in the network.

>   7.1.  Do I need to configure an internal network ?

>   Novell has a feature called an internal network, which it uses to
>   simplify routing in situations where a host has more than one network
>   device connected.  This is useful in the case of a fileserver
>   connected to multiple networks as it means that only one route needs
>   to be advertised to reach the server regardless of which network you
>   are attempting from.

>   In the case of a configuration where you are not running a fileserver
>   and your machine acting only as an IPX router the question is not as
>   simple to answer. It has been reported that configuring for IPX/PPP
>   works `better' if you also configure an internal network.

>   In any case it is easy to do, but may require a rebuild of your
>   kernel.  When you are working through the kernel make config you must
>   answer y when asked Full internal IPX network as illustrated:
> --
> Jim Freeman


Hello Jim,

Thanks you for your help. Of course I've already done my homework and
read the IPX-HOWTO. I am still stuck at the point of assigning the
IPX-addresses. Can I just take a random address or do I have to look for
some hardware properties. Can a router set up like this act transparently
for Win95 computers on both subnets?

Thanks again,

Achie Lin

 
 
 

1. Linux setup as IPX router and TCP/IP router??

Hi all,

I would like to setup my Linux box as an IPX router next to TCP/IP
routing. TCP/IP has been no problem, but IPX doesn't work. My kernel
is IPX enabled and I've installed the utils for setting up IPX
interfaces and so on. The primary goal of setting up the IPX routing
is for playing games like Duke Nukem 3D and games alike.
The main problem is the whole deal with IPX addresses and stuff. Can
anyone help me out with this please? Or can you tell me where to find
a good and complete book on this?

The network topology of our LAN is as follows:

                      W95 ws
                          |
                          |
                  Sun Sparc
                          |
                          |
Linux/W95 workstation
                          |
                          |          
                          |  eth0          
                      Linux router
                          |  eth1
                          |
                          |
                          |
             cluster  of W95 computers

Thanks in advance,

Achie Lin


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