抓取生成树协议数据包，分析桥协议数据单元 在实验设备上查看VLAN生成树，并学会查看其它相关重要信息-Spanning tree protocol packet capture, analyze the bridge protocol data unit in the experimental device, view the VLAN spanning tree, and learn to see other important information related to

获得主机网络配置参数，网卡设备，适配器信息，然后显示-Access to the host network configuration parameters, network card device adapter information, then display