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The first frame relay term you need to understand, the
DLCI,
already has been introduced. A DLCI is supplied for each end of a
PVC by the frame relay provider. A DLCI number is used to identify
each PVC defined at a location. At the central location shown in
Fig. 6-1, there are DLCI numbers 1, 4, 6, 8, and 10. It is best to
think of each DLCI as identifying a pipe that leads to a specific
protocol address. For example, DLCI 1 leads to the IP address of
Serial 0 on router 2, DLCI 4 leads to the IP address of Serial 0 on
router 3, and so forth. |
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