问题:
A . It requires a next-next hop backup tunnel.
B . Point of local repair (PLR) swaps the next hop label and pushes the backup label.
C . The backup tunnel terminates on the merge point (MP) where traffic rejoins the primary tunnel.
D . The backup tunnel can have associated bandwidth capacity.
E . Restoration time is expected under 50 ms.
● 参考解析
本题暂无解析
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