试题详情
- 单项选择题Which statement about MPLS TE Fast Reroute （FRR） link protection operation is not true？（）
A、It requires a next-hop backup tunnel.
B、The backup tunnel terminates on the same tail-end router as the primary tunnel.
C、The point of local repair （PLR） swaps the label and pushes the backup label.
D、The restoration time is expected to be under 50 ms.
E、The backup tunnel can have associated bandwidth capacity
- B
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