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Frame Relay:

dinekal
Level 1
Level 1

Hi,

I came across following description in a Frame Relay documentation,

"Because the DLCIs have only local significance, the only real restriction on the use of DLCIs is that they are not used for more than one destination from the same port"

Could any of you guys explain this description.

This statement confused me in the multi point frame relay scenario, because single interface/subinterface is connected to multiple destinations.

All suggestions welcome.

Thanks,

Dinesh

2 Replies 2

kkalaycioglu
Level 4
Level 4

Single physical connection but it includes many VCs (or DLCs how do you name them). So DLCI can be thought as a way to discriminate those VCs. So for each physical port all defined DLCIs should be different.

Regards.

mg_123
Level 1
Level 1

yes that true because each access link (interface or sub interface) must have a unique DLCI's

so each pvc have unique DLCI per interface

but you can use the same DLCI in other access link

MGATTALLA