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New Member

Multilink on frame relay

Have two frame relay link between two routers. Need to implement multilink on these two link so that I can pass the data equal to the sum of bandwidth of both links. Is multilink is possible on frame relay. if yes suggest some url or sample config.

3 REPLIES

Re: Multilink on frame relay

Multilink is only possible on PPP-links. You should use load-balancing instead. This should be perfectly possible and achieves your goal of using the aggregate bandwidth. All it requires is perhaps a little tuning and tweaking of your routing-protocol(?).

New Member

Re: Multilink on frame relay

as the previous reader stated, multilink is done with PPP, and is mostly used in ISDN environments, as a dail-up user dials through and ISDN terminal. And the user wants to use the twn 64Kbit/s channels available to the ISDN end user. Then the multilink PPP is used to create the connection.

The thing you are maybe trying to do is to LOAD-BALANCE through some paths to a destination. For example, you have 2 leased lines or 2 FR channels to a destination. You want to be able to use the both of the channels for a combined bandwidth and relyability.

This is done with IGP (interrior gateway protocols). The are many of them. But most of them are doing load-balancing over equal cost paths. Only EIGRP does unequal cost path load-balancing. So basically if you do not run any IGP, and you want load balance, then you may want to try out EIGRP.

Here is a link to all of the info that I can find on the cisco web site about EIGRP. There are some samples of what you want.

http://www.cisco.com/warp/public/103/index.shtml

BR.

Zvezdelin

Bronze

Re: Multilink on frame relay

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