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Sharing Internet connections for second facility connected to main facility via VPN

Posted on 2006-12-01
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My company has opened up a new facility and I have it connected to our main facility via a VPN over the Internet.  The second facility has something called Stonebridge Wireless for an ISP (1.5M up and down).  I was told it is reliable, but in 5 weeks of having it, I don't think it is.  

I am thinking about trying DSL instead, but the upload speed is only 896k.  I have a Firebox Edge firewall at my second facility (and a Firebox Core at my main facility).

Can I connect both the Stonebridge Wireless and DSL into my Edge to "share" the connection or at least so it can fall back (instantly) on DSL when Stonebridge fails?

Thanks

Doug
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Question by:dougshepard
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Author Comment

by:dougshepard
ID: 18059839
I believe I may have answered my own question by digging around in the web interface for the Edge.  It has a second WAN port and a failover setup screen.  Any opinions/experience on how well this will work or has worked in the past for you is still greatly appreciated.

However, now I am thinking about doing load balancing instead of failover.  Please see this question for any advice on this topic.

http://www.experts-exchange.com/Networking/Broadband/DSL_Cable/Q_22080140.html

Thanks

Doug
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Accepted Solution

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Rob Williams earned 500 total points
ID: 18059918
I have used load balancing in the past and it works very well, but I haven't used it on the Watchguards. The one catch with it, at least on the units I used, is it works best if the 2 connections have similar bandwidth. As there is no logic in what traffic gets routed through which connection, just basically sends 1/2 through one and 1/2 through the other, if one connecting is much slower, 50% of the users/connections get the slower speed, which is frustrating when a faster connection is available. I ended up at one site where there was a radical difference just using it for fail-over, with the faster connection being the primary. Perhaps the Edge offers some control over traffic flow.
Just my 2¢ worth :-)
--Rob
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Author Comment

by:dougshepard
ID: 18060047
So you used your Firewall to do the Load Balancing?

Thanks

Doug
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LVL 77

Expert Comment

by:Rob Williams
ID: 18060655
Yes, and it seemed to work well, but as mentioned, more ideal when the 2 connections have similar bandwidth.
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