实验要求:
①关闭三个交换机自协商功能,并启动全双工模式
②将SW2/SW3与PC相连的端口配置为10M速率,与SW1相连接的端口配置为100M模式;SW1端口相应配置为100M模式,并在PC端验证连通性。
SW1:
[SW1]interface g0/0/1
[SW1-GigabitEthernet0/0/1]undo negotiation auto //关闭自协商功能
[SW1-GigabitEthernet0/0/1]duplex full //开启全双工模式
[SW1-GigabitEthernet0/0/1]speed 100 //设置端口的速率为100Mbps
[SW1-GigabitEthernet0/0/1]interface g0/0/2
[SW1-GigabitEthernet0/0/2]undo negotiation auto
[SW1-GigabitEthernet0/0/2]duplex full
[SW1-GigabitEthernet0/0/2]speed 100
[SW1-GigabitEthernet0/0/2]q
SW2:
[SW2]interface g0/0/1
[SW2-GigabitEthernet0/0/1]undo negotiation auto
[SW2-GigabitEthernet0/0/1]duplex full
[SW2-GigabitEthernet0/0/1]speed 100
[SW2-GigabitEthernet0/0/1]Q
[SW2]interface g0/0/2
[SW2-GigabitEthernet0/0/2]undo negotiation auto
[SW2-GigabitEthernet0/0/2]duplex full
[SW2-GigabitEthernet0/0/2]speed 10
[SW2-GigabitEthernet0/0/2]q
SW3:
[SW3]interface g0/0/1
[SW3-GigabitEthernet0/0/1]undo negotiation auto
[SW3-GigabitEthernet0/0/1]duplex full
[SW3-GigabitEthernet0/0/1]speed 100
[SW3-GigabitEthernet0/0/1]q
[SW3]interface g0/0/2
[SW3-GigabitEthernet0/0/2]undo negotiation auto
[SW3-GigabitEthernet0/0/2]duplex full
[SW3-GigabitEthernet0/0/2]speed 10
[SW3-GigabitEthernet0/0/2]q
验证连通性: