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Old 04-15-2007, 04:48 PM   #1
hapser
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Two ISP's, Higher bandwidth?


At the moment I have two separate ISP's until I decide which one I want to keep. I might keep both for a while if I can get this set up working.

What I'm looking to do is set up some kind of load sharing server that will add the bandwidth of both ISP's into one line on my home LAN.

I know it's possible to do load balancing, but that won't increase bandwidth. I emailed the sys admin at one of my ISP's and he told me it is possible to do what I'm talking about. That it takes a combination between NAT and DNS and that commercial services such as Fatpipe use this. He said it is easier if both connections go back to the same ISP but they don't have to. It is possible to do something like this in a home brew setup.

So I guess I am really just looking to see if anyone can provide me with some more info since my sys admin is pretty busy, I don't want to bug him.
I have several older PII and PIII type computers around that can be setup as small servers.

Any info or help on what this type of setup is called, how to do this, what I need, what to google for, would be greatly received.

Also, I am more familiar with Fedora so setting this up with that distro would be better but I am open to using any distro.
Thanks a bunch.

Last edited by hapser; 04-15-2007 at 04:50 PM.
 
Old 04-15-2007, 08:11 PM   #2
osor
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See this: http://lartc.org/howto/lartc.rpdb.multiple-links.html
 
Old 04-16-2007, 10:25 AM   #3
Matir
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Are you looking to make it such that a single download will run faster? If so, that's a fairly complex bonding setup.

Easier would be to use, as you said, load balancing. This would allow for the sum total of connections to have a higher throughput. It would even work for distributed protocols like BitTorrent.
 
Old 04-16-2007, 04:12 PM   #4
hapser
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Thanks for the replies.

Yes that is what I'm looking for. e.g. ISP 1 is a 1.5M line and ISP 2 is a 1.5M line each running into a server or servers that give the LAN a total of a 3M line.
I realize that this is quite a complex setup, but mainly wanted to know if it was possible and if so what I might need as far as hardware and software to accomplish it. Maybe one server with at least 3 NIC's and some sort of two way NAT setup would work. or maybe throwing vmware into the mix would work.

Basically I am looking to increase my speed so what your saying about load balancing sounds like it might work good enough.

You say it will increase throughput?
Say each ISP gives me a 512k line. I will not ever be able to download faster than 512k even with load balancing right?

Even if load balancing will get me a good enough speed I would still like info on how one might setup a system that combines both ISP's and doubles the speed of the LAN. I guess it's just one of those things that I won't be able to rest until I know how it's done.

Thanks again for the help.
 
Old 04-17-2007, 12:43 AM   #5
Matir
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You could look at something like this: http://linux-ip.net/html/ether-bonding.html
 
  


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