Dual internet connections (1 primary 1 backup) on same network

H

hcajrmd

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I would like to have 2 forms of internet access, 1 used as primary, the other only as a backup (to improve up-time). I would like to connect them both to the same network so that the computers can stay on the same network all the time and have access to the networked printers.

Any suggestions on the best way to do this?


Current Setup:
cable modem, flat-top airport express, mixed environment of mostly macs and a couple PCs
 
You may need a special router in order to do something like this... specifically, a router with "dual-WAN" capabilities, like such:

http://www.roytanck.com/2009/05/07/how-to-easily-set-up-a-redundant-internet-connection/

Also, a simple Linux computer with 3 network connections should work as well -- two NICs connected to internet sources, one NIC connecting to the network. The upside is that typically Linux will use both connections simultaneously, meaning less latency, and when one WAN goes offline, the other WAN picks up the slack.

Here's another linux-machine-based solution:

http://www.netlife.co.za/archived-articles/12-started.html
 
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