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Full Discussion: sharing of IP address for load sharing avoiding virtual server & redirection machine
Special Forums IP Networking sharing of IP address for load sharing avoiding virtual server & redirection machine Post 81664 by Sergiu-IT on Tuesday 23rd of August 2005 05:23:57 AM
Old 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 MOJAVE

sharing

sharing(8)						    BSD System Manager's Manual 						sharing(8)

NAME

     sharing -- create share points for afp and smb services.

SYNOPSIS

     sharing [-a <path> [options]] [-e <share point name> [options]] [-r <share point name>] [-l]

DESCRIPTION

     A list of flags and their descriptions:

     -a <path>
	      Add a new share point for the directory specified by <path>.

     -e <share point name>
	      Edit the share point record specified by <share point name>.

     -r <share point name>
	      Delete the share point record specified by <share point name>.

     -l       List all existing share point records.

     The following options modify share point record attributes:

     -A <afp name>
	      Use customized name <afp name> when using share point with afp.

     -S <smb name>
	      Use customized name <smb name> when using share points with smb.

     -s <flags>
	      Use this option to enable and disable sharing via afp and smb.  By default a share point is enabled for afp and smb protocols.  To
	      enable and disable particular services, combine (binary AND) the following flags as required: 100 (enable sharing for afp) and 001
	      (enable sharing for smb).  Specify 000 to turn off sharing of a share point altogether.

     -g <guest flag>
	      Use this option to enable and disable guest access for afp and smb.  By default guest access is enabled for afp and smb.	To enable
	      and disable guest access to particular services, combine (binary AND) the following flags as required: 100 (enable guest for afp)
	      and 001 (enable guest for smb).  Specify 000 to turn off guest access for a share point altogether.

     -i <inherit privileges flag>
	      Use this option to enable and disable the "inherit privileges" attribute for afp.  By default "inherit privileges" is enabled for
	      afp.  To enable "inherit privileges", combine (binary AND) the following flags as required: 10 ("inherit privileges" for afp).
	      Specify 00 to turn off "inherit privileges" for a share point altogether.

     -n <customized record name>
	      Specify a <customized record name> to be used as the share point record name.  By default the record name is the name of the direc-
	      tory pointed to by the share point record.  This directory is specified by the <path> when the record is created.

EXAMPLES

	   /usr/sbin/sharing -a /SomePath/ShareThisDirectory

     This example shows how to create a share point for the directory "/SomePath/ShareThisDirectory":

	   /usr/sbin/sharing -e ShareThisDirectory -A SP1 -g 101

     This example shows how to edit the share point record created above, adding a customized name "SP1" for afp servies, and enabling guest
     access only for afp and smb.

FILES

     /usr/sbin/sharing				   location of tool

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