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Router: DD-WRT (or other) : WAN Fault tolerance.

Posted on 2011-02-22
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Last Modified: 2012-05-11
Hi there,

I have 2 Internet connections for fault tolerance.

I wish to use a router of the class of the "Asus WL500G" or the "Linksys WRT54G...", to setup automatic WAN fault torerance.

Would there be a version of a router firmware upgrade that would let me achieve this?

Maybe by using a LAN port as the secondary wan port, or by reversing the LAN and WAN ports and including the required fault tolerance features plus all the other usual features like QOS, Wireless, Port forwarding, etc...

Please do not suggest a solution, like using a router designed for this like the Linksys RV082.  The purpose of this thread is to find a router upgrade that would achieve WAN fault torerance.

Thanks for your help,
Rene

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Question by:ReneGe
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by:kdearing
ID: 34955981
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by:ReneGe
ID: 34956099
kdearing,

How do I run these scripts in these boxes?

PS: I'm not a linux guy.

Thanks,
Rene
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by:kdearing
ID: 34956309
No scripts.
This is actual replacement firmware.

Important!
Make sure your router is compatible with DD-WRT.
The have a list of routers on the web site.
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by:ReneGe
ID: 34962273
DD-WRT website seems to be presently down.

I currently use 2 versions:
DD-WRT v24-sp2 (08/07/10) mega
DD-WRT v24 RC-6 (01/02/08) micro

Is what you suggest a special version or it is the procedure to set it up in "one or both" of the versions I currently use?

Thanks,
Rene
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by:ReneGe
ID: 34975731
kdearing,

I sill did not find any firmware upgrade with this feature fully implemented.

As I previously shared with you, I already use the DD-WRT mega and micro versions.

Am I missing something here?

Thanks,
Rene
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Expert Comment

by:kdearing
ID: 34985298
Sorry for the delay, was out of town.

Ok, the DD-WRT site is back up
The procedures linked above are for the mini, which means it should work on the mega.

Basically, DD-WRT is an alternative firmware that replaces the Linksys stuff.
It gives your router MUCH more capability than the manufacturer's firmware allows.
The procedure listed for dual-WAN does involve replacing some of DD-WRT's scripts.
The instructions are very thorough, but some knowledge of linux is helpful.

I feel obligated to say that if this is the main router in a business environment, please have a backup plan (i.e. spare router) in case something goes wrong.
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Author Comment

by:ReneGe
ID: 35010512
kdearing,

I have no knowledge in Linux and I currently use 2 versions:
DD-WRT v24-sp2 (08/07/10) mega
DD-WRT v24 RC-6 (01/02/08) micro

Would you mind helping me making changing these files and setp by step?

Or maybe you know where I can find in instructional video on how to change these files in a router.

Thanks for your help,
Rene

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kdearing earned 500 total points
ID: 35032921
The v24 mega firmware should do it just fine.
The instructions in the first posting are very thorough.

http://notepad.timyou.com/page/Dual+%26+Triple+Wans+on+DD-WRT
http://www.dualwanguide.com/ddwrt_dual_wan.html
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by:ReneGe
ID: 35059892
kdearing,

Sorry for the late follow up.

Thanks for your URL. I feel that this is what I need.

I am stuck with other projects and will continue this one soon.

If I need more help, I will open a new thread and let you know.

Thanks and cheers,
Rene

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