Frame Relay Frame Structure

• Address Field of Frame Relay Frame

  • Data Link Control Indicator (DLCI)
  • Indicates virtual circuit for switching
  • Does not use destination addresses

0

7

DLCI (6 bits)

C/R

AE

DLCI (4 bits)

FECN

BECN

DE

AE

DLCI (7 bits)

AE

DLCI (7 bits)

AE

Bits

Previous slide

Next slide

Back to first slide

View graphic version