2 WAN connections on 1 switch/network Post: 302580715

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Special Forums IP Networking 2 WAN connections on 1 switch/network Post 302580715 by Corona688 on Friday 9th of December 2011 10:58:35 AM

12-09-2011

Registered User

If they're using different gateways, internet traffic should just go where it's proper destination is. (Unless you're using a proxy, which would mess up its ability to tell which connection outgoing traffic belongs to.) The switch shouldn't care.

If both routers are serving DHCP, they'll of course interfere with each other when plugged into the same switch. Only one of them should be allowed to serve DHCP, probably your 'client' connection, configure your server statically.

Local traffic would be trickier. They'll be running on the same wire, so they could talk directly if they tried, but not being on the same subnet means they'll just forward it to their gateway instead, which won't work. The switch, which doesn't care at all about IP addresses, won't notice or care.

You could make it all one big happy 255.255.0.0 subnet, which would allow 192.0.0 and 192.0.10 to communicate without routing. Or you could give your clients static routes to talk to the other subnet. Or your server could be given 192.0.0 and 192.0.10 addresses on the same card so your clients don't have to talk to a "foreign" subnet.

Last edited by Corona688; 12-09-2011 at 12:13 PM..

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LEARN ABOUT DEBIAN

airport2-ipinspector

AIRPORT2-IPINSPECTOR(1) 				      General Commands Manual					   AIRPORT2-IPINSPECTOR(1)

NAME

       airport2-ipinspector - WAN monitoring utility for the Apple AirPort Extreme Base Station ("Snow")

SYNOPSIS

       airport2-ipinspector

DESCRIPTION

       airport2-ipinspector  monitors the WAN interface of the base station and sends an email notification whenever the external (WAN) IP address
       of the base station changes.

OPTIONS

       airport2-ipinspector accepts no command-line options. airport2-ipinspector is a wrapper script around the IPInspector.jar jar file  located
       in /usr/share/java/airport-utils.

       You  can set the JAVACMD environment variable to use a specific JVM instead of the one chosen by the wrapper script. Set the DEBUG environ-
       ment variable to 1 to get the debug output from the wrapper script.

ENVIRONMENT VARIABLES

       DEBUG  Set this variable to 1 to get the debug output from the wrapper script.

       JAVACMD
	      The full path to the Java Virtual Machine to use.  By  default,  the  wrapper  uses  JAVACMD;  if  it  is  not  set,  it	looks  for
	      JAVA_BINDIR/java, then for JAVA_HOME/bin/java before looking for a java executable in the PATH. In the latter case, the JVM used can
	      be configured using the Debian alternatives system (see update-alternatives(8)).

       JAVA_HOME
	      The full path where your JDK/JRE is installed.

       JAVA_BINDIR
	      The full path to the directory where the java executable is located.

       JAVA_ARGS
	      Extra command-line arguments to be passed to the Java Virtual Machine.

AUTHOR

       airport2-ipinspector was written by Jon Sevy <jsevy@cs.drexel.edu>.

       This manual page was written by Julien BLACHE <jblache@debian.org>, for the Debian project (but may be used by others).

								   May 20, 2006 					   AIRPORT2-IPINSPECTOR(1)