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多项选择题In Layer 2 topologies， spanning-tree failures can cause loops in the network. These unblocked loops can cause network failures because of excessive traffic. Which two Catalyst 6500 features can be used to limit excessive traffic during spanning-tree loop conditions？ （）

A、loop guard

B、storm control

C、storm suppression

D、broadcast suppression

E、BPDU guard

  • B,D

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