2 DSL lines, failover router setup [Archive]

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s100bus

07-24-2002, 03:01 PM

This is not exactly a newbie question, but I need something to share/fallover 2 lines to the internet and figure this is a good way to really understand Linux.

I have one DSL line to the internet, but to keep my site up I'd like to add another one and setup a router so that either both lines can be used or so that when the faster line is down the slower one gets the traffic until the faster one comes back up. Is this appropriate use for a routerbox or am I fooling myself ?

I looked at the linux router project page already and it's not really appropriate for my use. Any site or book suggestions would be appreciated.

Thanks,

S100bus , SLL ( slowly learning linux )

ee99ee2

07-24-2002, 04:18 PM

http://www.samag.com/documents/s=1824/sam0201h/0201h.htm

-ee99ee

s100bus

07-24-2002, 04:30 PM

cool, thanks

ee99ee2

07-24-2002, 05:48 PM

Not sure if that's what u were looking for. I found it about 3 months ago, and it's managed to survive my favorites list. hehe.

-ee99ee

s100bus

07-24-2002, 06:15 PM

It looks perfect. I'll post the results after I've done it.

ee99ee2

07-24-2002, 08:18 PM

Please do. I might be doing the same thing you are very VERY soon. (I hope hehe)

-ee99ee2

s100bus

07-25-2002, 10:50 AM

I'll start the project on Friday, hopefully be done by the end of the weekend. It's a great article, only thing I wish was an automatic routing off of dead line. Currently he's disabling the NIC that goes to the dead ISP.

S100bus

Lost-n-Linux

07-29-2002, 05:09 PM

Did that work for your situation? I am trying to do the exact same thing (except it's a T1 and DSL) but I seem to be having problems with the default gateways. I followed the instructions for the Source IP Routing but I am getting alot of (connect: Network is Unreachable) whenever I ping something other than my immediate public subnets.
Thanks

s100bus

07-29-2002, 05:11 PM

ask me in a few more days. I'm fitting this project in with other things. I will post later in the week with an update...

jacob

ee99ee2

07-30-2002, 12:23 AM

Please do post back. I'm watching this post. I may be doing this too myself soon to increase avability and bandwidth.

Do you all use a round-robin DNS to balence the load over the two links?

-ee99ee2