Which command allows you to verify the encapsulation type (CISCO or IETF) for a Frame Relay link?

The correct answer is B. show frame-relay map. The 'show frame-relay map' command displays the Frame Relay mapping table, which shows each DLCI along with the encapsulation type - either CISCO (Cisco proprietary) or IETF (standard RFC 1490/2427). 'show frame-relay lmi' shows LMI statistics and type (Cisco, ANSI, Q933a). 'show

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Question

Which command allows you to verify the encapsulation type (CISCO or IETF) for a Frame Relay link?

Options

Ashow frame-relay lmi
Bshow frame-relay map
Cshow frame-relay pvc
Dshow interfaces serial

How the community answered

(38 responses)

A
3% (1)
B
87% (33)
C
8% (3)
D
3% (1)

Explanation

The 'show frame-relay map' command displays the Frame Relay mapping table, which shows each DLCI along with the encapsulation type - either CISCO (Cisco proprietary) or IETF (standard RFC 1490/2427). 'show frame-relay lmi' shows LMI statistics and type (Cisco, ANSI, Q933a). 'show frame-relay pvc' shows PVC status and traffic statistics but not encapsulation type. 'show interfaces serial' shows interface statistics and the global encapsulation (e.g., 'Encapsulation FRAME-RELAY') but does not show per-DLCI encapsulation details.

Topics

#Frame Relay#show frame-relay map#encapsulation verification#IETF

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