第1步:配置交换机端口 <H3C>system-view System View: return to User View with Ctrl+Z. [H3C]interface GigabitEthernet3/1/1 [H3C-GigabitEthernet3/1/1]description to PC1 [H3C-GigabitEthernet3/1/1]duplex ? auto Enable port's duplex negotiation automatically full F…