In Huawei's WAN solution, which of the following technologies can "quickly detect WAN link faults, achieve millisecond-level fault awareness, and shorten recovery time"?

The correct answer is B. BFD (Bidirectional Forwarding Detection). See the full explanation below for the reasoning.

High Reliability Design in Campus Networks

Question

Options

AOSPF hello protocol (default 10s detection)
BBFD (Bidirectional Forwarding Detection)
CManual ping test
DStatic route timeout mechanism (default 3 minutes)

How the community answered

(38 responses)

A
13% (5)
B
76% (29)
C
3% (1)
D
8% (3)

Topics

#BFD#link fault detection#WAN reliability#millisecond detection

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