Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers?
A.
IETF
B.
ANSI Annex D
C.
Q9333-A Annex A
D.
HDLC
Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers?
Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers?
Cisco supports two Frame Relay encapsulation types: the Cisco encapsulation and the IETF Frame Relay encapsulation, which is in conformance with RFC 1490 and RFC 2427. The former is often used to connect two Cisco routers while the latter is used to connect a Cisco router to a non-Cisco router.
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R1(config-if)#encapsulation frame-relay
ietf Use RFC1490/RFC2427 encapsulation
R1(config-if)#encapsulation frame-relay IETF
*Apr 2 03:36:02.822: %LINK-3-UPDOWN: Interface Serial0/0/0, changed state to up
R1(config-if)#
*Apr 2 03:36:02.822: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0/0, changed state to up
Internet Engineering Task Force (IETF) form of Frame Relay encapsulation if your router or access server is connected to another vendor’s equipment across a Frame Relay network. IETF encapsulation is supported either at the interface level or on a per-VC basis.