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Use of multilink interface

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by dubey_296

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Hi,

I have one central Branch which I want to connect with 11 site branches,and in near future I have to implement 10 more.For this respect I have have taken 2mbps LL with Mux sharing 64 kb for each site branches.on the central site i am using 3640 router in which I am having 2 serial interface,now I want to implement the network where in near future if any new branch come I dont have to change any new hardware,In this regards I need help to implement the network and configuration?and will using multilink interface will be solution if yes can u give me some notes on multilink interface?

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by mshavrov

It all depends on your real requirements, finances, distances, services availability, etc. Do you need permanent links to branch offices or it's just from time to time?

For permanent links you may install Frame Relay T1 (and another Frame Relay T1 later) in central location and install 56K Frame Relay links (or fractial T1's) in branch offices. You can configure your central router with FR subinterfaces (hub-and-spoke topology) with separate subnets for each branch. This scenario is good, but you have to have Frame Relay service available at all locations.

If you have to transfer data from time to time (for example, 1-2 times a day), you may install ISDN BRI (64/128 KBps) lines at your branches and ISDN PRI (1544 MBps) at central location. But again, you should have ISDN available from your provider.

If you have more questions on this case, you can send me e-mail.

Michael Shavrov
CCDP, CCNP, MCSE W2K, MCSE+I, Security+, ...

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