What can be done to Frame Relay to resolve split-horizon issues?(Choose two.)

The correct answer is A. Disable Inverse ARP. D. Configure point-to-point subinterfaces.. NOTE: The answer key lists A and D, but this appears to be incorrect. The two standard solutions to Frame Relay split-horizon issues are: (B) Full-mesh topology - every spoke connects directly to every other spoke, eliminating the need to forward updates through a hub interface;

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Question

What can be done to Frame Relay to resolve split-horizon issues?(Choose two.)

Options

ADisable Inverse ARP.
BCreate a full-mesh topology.
CDevelop multipoint subinterfaces.
DConfigure point-to-point subinterfaces.
ERemove the broadcast keyword from the frame-relay map command.

How the community answered

(62 responses)

A
84% (52)
B
10% (6)
C
2% (1)
E
5% (3)

Explanation

NOTE: The answer key lists A and D, but this appears to be incorrect. The two standard solutions to Frame Relay split-horizon issues are: (B) Full-mesh topology - every spoke connects directly to every other spoke, eliminating the need to forward updates through a hub interface; and (D) Point-to-point subinterfaces - each subinterface is treated as a separate interface, so a routing update received on one subinterface can be forwarded out another, bypassing the split-horizon restriction. Disabling Inverse ARP (A) affects IP-to-DLCI dynamic mapping but does not resolve split-horizon. The correct technical answers are B and D.

Topics

#Frame Relay#split-horizon#point-to-point subinterfaces#hub-and-spoke

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