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Bundle Lines for DDR Routing?

By wbb ·
We have a remote site connected to our LAN via a microwave connection. We want to use Dial-On-Demand Routing (DDR) to establish a backup LAN connection in the event of the microwave failing. We can get regular POTS phone lines installed at the remote site, but not ISDN or DSL (it's *too* remote, according to the telco). Is there any way to 'bundle' several of the phone lines together to up the bandwidth, instead of just using a single line? How would it work? Any other suggestions?

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Bundle Lines for DDR Routing?

by McKayTech In reply to Bundle Lines for DDR Rout ...

There is a technique for bundling two phone lines in parallel called "multi-link". You basically duplicate the modem-phone line-modem links and then use software at either end to spread the data across both lines.

One of the local ISPs here quotes a combined bandwith of 112k for a 2-line multi-link but I haven't been able to find anyone quoting more than 2 lines.

The other possibility might be a frame-relay connection as it often escapes the distance constraints of ISDN and DSL.

paul

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Bundle Lines for DDR Routing?

by wbb In reply to Bundle Lines for DDR Rout ...

The question was auto-closed by TechRepublic

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Bundle Lines for DDR Routing?

by jdavis In reply to Bundle Lines for DDR Rout ...

PPP multilink is one option, and is not limited to two phone lines. I've used it with ISDN, not POTS, but you should be able to.

Have you considered an IEEE 802 wireless LAN? I don't know what kind of distances you are looking at, but a WLAN has a theoretical reach of 25 miles. Something to consider if the geography is right.

Jeff

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Bundle Lines for DDR Routing?

by wbb In reply to Bundle Lines for DDR Rout ...

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Bundle Lines for DDR Routing?

by network_engineer In reply to Bundle Lines for DDR Rout ...

I think so! You could check out a couple of stuff from Web Ramp M3 or maybe from Multitech. These devices can bundle the bandwidth together, but then you must have a concentrator where these devices could dial in to. Web Ramp can be connected to three Analog Dial Modems... and the bandwidth can be bundled!

Regards,...

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Bundle Lines for DDR Routing?

by wbb In reply to Bundle Lines for DDR Rout ...

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Bundle Lines for DDR Routing?

by wbb In reply to Bundle Lines for DDR Rout ...

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