缩写说明


CDP (Cisco Discover Protocol): 用于CISCO设备之间发现邻居,方便管理员勾勒网络拓扑。

VTP (Vlan Trunking Protocol): 用于多个交换机连接到主交换后共享VLAN号码信息。

DTP (Dynamic Trunking Protocol): 用于设备之间协商TRUNK链路中的数据封装格式,有ISL(cisco私有)和DOT1Q两种。使用switchport nonegotiate可以关闭接口产生DTP

STP (Spanning Tree Protocol): 生成树协议用于处理交换机之间的冗余链路,判断出主链路和备选链路。

BPDU (Bridge Protocol Data Unit): STP协议的数据包,用于选择根桥和备份桥。拥有最低桥ID的将成为根桥。

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By Ctrl | Alt | Del Posted in Cisco Tagged

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