阻塞：所有端口以阻塞狀態(tài)啟動(dòng)以防止回路。由生成樹確定哪個(gè)端口轉(zhuǎn) 換到轉(zhuǎn)發(fā)狀態(tài)，處于阻塞狀態(tài)的端口不轉(zhuǎn)發(fā)數(shù)據(jù)但可接受BPDU。 監(jiān)聽：不轉(zhuǎn)發(fā)，檢測(cè)BPDU，（臨時(shí)狀態(tài)）。 學(xué)習(xí)：不轉(zhuǎn)發(fā)，學(xué)習(xí)MAC地址表（臨時(shí)狀態(tài)）。 轉(zhuǎn)發(fā)：端口能轉(zhuǎn)送和接受數(shù)據(jù)。 小知識(shí)：實(shí)際上，在真正使用交換機(jī)時(shí)還可能出現(xiàn)一種特殊的端口狀態(tài) －Disable狀態(tài)。這是由于端口故障或由于錯(cuò)誤的交換機(jī)配置而導(dǎo)致數(shù)據(jù) 沖突造成的死鎖狀態(tài)。如果并非是端口故障的原因，我們可以通過交換 機(jī)重啟來解決這一問題。
聯(lián)系人：郭先生
聯(lián)系電話：18971415643《優(yōu)先》
座機(jī)：027-83238871
傳真：207-61537051
QQ：810334512《優(yōu)先》
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