08-23-2005
Quote:
Originally Posted by Rakesh Ranjan
I have RedHat 9.0 installed on three of my servers (PIII - 233MHz) and want that they share a common IP address so that any request made reaches each of the servers.
Can anyone suggest how should I setup my LAN. I'm new to networking in Linux so please elaborate and would be thankful for a timely reply.
Hi !
As far as I know, it's ipossible (from tcp/ip point of view) to do this, but you can try broadcasting. If your network is 192.168.0.0 and the servers are 192.168.0.1, 192.168.0.2 and 192.168.0.3 (netmask 255.255.255.0 on all IPs) each server will receive only that packets that are sent to their IPs, but the machines are also receiving packets that are sent to 192.168.0.255 (the broadcast IP).
Another solution will be that one server will resend the same packet to the other two... but this is a little bit complicated if you say that you're new to networking (and Linux).
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LEARN ABOUT FREEBSD
bootparamd
BOOTPARAMD(8) BSD System Manager's Manual BOOTPARAMD(8)
NAME
bootparamd -- boot parameter server
SYNOPSIS
bootparamd [-ds] [-r router] [-f file]
DESCRIPTION
The bootparamd utility is a server process that provides information to diskless(8) clients necessary for booting. It consults the
/etc/bootparams file.
This version will allow the use of aliases on the hostname in the /etc/bootparams file. The returned hostname to the whoami request done by
the booting client will be the name that appears in /etc/bootparams and not the canonical name. In this way you can keep the answer short
enough so that machines that cannot handle long hostnames will not fail during boot.
OPTIONS
-d Display the debugging information.
-s Log the debugging information with syslog(3).
-r router The default router (a machine or an IP-address). This defaults to the machine running the server.
-f file The file to use as boot parameter file instead of /etc/bootparams.
FILES
/etc/bootparams default boot parameter file
EXAMPLES
When netbooting diskless SunOS/Xkernel SPARCstations the booted SunOS kernel also broadcasts to the all-0 address. The SunOS kernel hangs
until it receives a reply. To accommodate this behaviour add an alias address that responds to an all-0 broadcast. So, add something like
'ifconfig xl0 192.168.200.254 netmask 255.255.255.255 broadcast 192.168.200.0 alias' on the relevant network interface on your bootparamd
server. The alias address must of course be free for use.
SEE ALSO
syslog(3), bootparams(5), diskless(8)
AUTHORS
Written by Klas Heggemann <klas@nada.kth.se>.
BUGS
You may find the syslog(3) loggings to be verbose.
BSD
December 14, 2000 BSD