Overview

MLFR aggregates multiple physical links into a single logical bundle. More specifically, MLFR bundles multiple link-layer channels into a single network layer channel.

The routers joined by the multilink each assign the same unique name to the bundle. A bundle can consist of multiple physical links of the same type—such as multiple asynchronous lines—or can consist of physical links of different types—such as leased synchronous lines and dial-up asynchronous lines.

The router treats MLFR like nonmultilink Frame Relay. Packets received with an MLFR header are subject to sequencing. Packets received without the MLFR header cannot be sequenced and can be delivered only on a first-come, first-served basis.

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