In this paper, the role of STP is discussed from its principles and characteristics. The rules and the characteristics of Huawei'STP and Cisco's are introduced on separate. Through analyzing the differences between their STP, their advantages were found.%从生成树协议的原理及特点着手,论述生成树协议作用.介绍华为与思科各自在生成树协议上的规定、特点,分析他们在生成树协议上的区别,找出各自的优势.
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