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Beginner

is multilinking possible bet leased line & isdn

Is multilinking possible bet leased line & isdn bri?

presently i hv 2 different leased lines of 64 K on a single router.also i hv a isdn bri.i hv multilinking with 2 leased lines.If i want to add bri into multilink group,will it be possible? OR any other possible solution to combine isdn bri with leased lines?

6 REPLIES 6
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Beginner

Re: is multilinking possible bet leased line & isdn

You can't put a bri interface and 2 serial interface in the same bundle.

however, I think that you should be able to make load sharing between your multilink (serial) and your bri interface. Dynamic routing is needed.

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Cisco Employee

Re: is multilinking possible bet leased line & isdn

Multilink group is allowed only for ppp leased lines. BRI interface are DDR interfaces. So DDR interfaces can't be included in a multilink-group. So is the reason you can't mix DDR and leased lines in a multilink bundle.

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Beginner

Re: is multilinking possible bet leased line & isdn

Dear Tejal,

Thanks for your help. But in the post u mentioned that PPP leased lines.Thats true but will it be possible to combine 2 serial links having PPP encap with a bri which is not DDR .i mean to say that if i adopted a permanet bri connection .(with the help of dyanamic protocol like RIP)??

Thanks in advance.

Cisco Employee

Re: is multilinking possible bet leased line & isdn

Arun..BRI is treated as DDR capable dialup line. So even though using upper layer protocols (layer 3), multilinking is still not possible at layer 2 between leased line and dialup line.

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Beginner

Re: is multilinking possible bet leased line & isdn

Dear Tejal,

Thanks for ur help. I got it now.Again thnx u hv solved my query.

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Beginner

Re: is multilinking possible bet leased line & isdn

Dear Tejal,

can i have your mail id?