Huawei
H12-841_V1.5 · Question #26
In Huawei's SD-WAN solution, for the scenario of " sudden branch link failure", which of the following technologies can "detect the failure in milliseconds and automatically switch to the backup…
The correct answer is B. BFD (Bidirectional Forwarding Detection) + Automatic Link Switching Mechanism. See the full explanation below for the reasoning.
High Reliability Design in Campus Networks
Question
In Huawei's SD-WAN solution, for the scenario of " sudden branch link failure", which of the following technologies can "detect the failure in milliseconds and automatically switch to the backup link to ensure uninterrupted service"?
Options
- AManually switch links after a fault is detected manually.
- BBFD (Bidirectional Forwarding Detection) + Automatic Link Switching Mechanism
- CSwitchover is triggered based on the default timeout of the routing protocol (e.g., OSPF dead
- DUsing only a single link, with no backup link.
How the community answered
(38 responses)- A16% (6)
- B76% (29)
- C5% (2)
- D3% (1)
Topics
#BFD#link failover#SD-WAN resilience#millisecond detection
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