STP的五种状态
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下面是从Cisco的Document中摘抄的五种状态的行为,我稍微增加了点英文的翻译:
1. Blocking State
1. Blocking State
- Discards frames received on the port(不收数据帧)
- Discards frames switched from another interface for forwarding(不转发从其它端口接收的数据帧)
- Does not learn addresses(不学习MAC地址)
- Receives BPDUs(接收BPDU)
2. Listening State
- Discards frames received on the port(不收数据帧)
- Discards frames switched from another interface for forwarding(不转发从其它端口接收的数据帧)
- Does not learn addresses(不学习MAC地址)
- Receives BPDUs(接收BPDU)
- Discards frames received on the port(不收数据帧)
- Discards frames switched from another interface for forwarding(不转发从其它端口接收的数据帧)
- Learns addresses(学习MAC地址)
- Receives BPDUs (接收BPDU)
- Receives and forwards frames received on the port(接收并且转发数据帧)
- Forwards frames switched from another port(转发从其它端口接收的数据帧)
- Learns addresses(学习MAC地址)
- Receives BPDUs(接收BPDU)
- Discards frames received on the port(不收数据帧)
- Discards frames switched from another interface for forwarding(不转发从其它端口接收的数据帧)
- Does not learn addresses(不学习MAC地址)
- Does not receive BPDUs(不接收BPDU)
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