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Joining two t1 lines

Posted on 2006-10-25
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Last Modified: 2010-04-26
Hi,

We curently are using one t1 line and have outgrown it. We are looking for some information about how to connect two t1 lines. We were told by someone that we could buy a piece of hardware, it wasnt a router but it would fuse the connections and guarantee us at least 2mbps. I am curiou of what solutions you have or know of?

Thanks,
Chad
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Question by:ItsChad
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by:Lee W, MVP
ID: 17808153
You should look into Bonded T1's.  Or a more expensive Fractional T3
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by:pjtemplin
ID: 17808258
Two T1s bonded with MLPPP or CEF load-sharing.  I'd recommend MLPPP.
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FixingStuff earned 500 total points
ID: 17809415
Bonded T1s can be achieved using a device like this Tasman (now Nortel) hardware box:
http://www.tasmannetworks.com/prod_1004.html

This requires that your ISP can support it (teminate and bond multiple T1s) on their end, so you really are mostly dependant on what they support. I have 3 T1s using a Tasman box with QWest communications... it has been flawless.

This can also be accomplished by mid to high end Cisco routers with multiple T1 CSU/DSU modules, however this is more costly and more complex to setup.

With 2 T1s your would get close to 3mbps... there is a small percentage of overhead with bonded.
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Expert Comment

by:naveen_b81
ID: 17809841
you can have a look at radware link balancer product which will be a solution.
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by:pjtemplin
ID: 17812365
mid to high-end Ciscos?  Any x800 series can do it, as can the 2600s and newer.
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by:FixingStuff
ID: 17813956
Yes, I am referring to 2600 series (as mid) or higher. Not familiar with x800. I have 3640s and was told that bonding would be resource intensive on the 3640 so we went with the Tasman... simple solution.  My gut tells me the 3640 would not have a problem handling it (even on top of BGP).
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