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Multi homing is a networking timesaver
Authored by: felix-fi on Sep 01, '06 01:44:37PM

Having 2 network interfaces "active" is nice... but sometimes it creates some problems. At work, I have both airport and ethernet active, when I do a backup with rsync, Mac OSX does not always use the fastest interface (despite the fact that this interface (ethenet cable) is the first one in the list in the pref. panel). Often I have to shutdown the airport to make sure the internet cable get used. Similarly, some program (such as Xmeeting) have trouble to route traffic back when 2 interfaces are active...



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Multi homing is a networking timesaver
Authored by: Jaharmi on Sep 05, '06 10:59:15AM

This may happen if you try to use an application before the routing tables are updated. In my informal testing, I give about 10 sec before I attempt to use any connections for new traffic after I do something that affects an interface -- such as plug in or remove my Ethernet cable. This is on a PowerBook G4 17-inch 1.33 GHz system with Mac OS X 10.4.7, but YMMV.

You can check your routes by using "netstat -r" at the command line in Terminal. The "default" one is the one that should be used for your new traffic.



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