题目要求:
1、内网IP地址172.16.0.0/16合理分配
2、SW1/2之间互为备份
3、VRRP/STP/VLAN/TRUNK均使用
4、所有PC通过DHCP获取IP地址
sw1连sw2 eth干道
[sw1]interface Eth-Trunk 0
[sw1-Eth-Trunk0]q
[sw1-GigabitEthernet0/0/23]eth-trunk 0
[sw1-GigabitEthernet0/0/24]eth-trunk 0
[sw2]interface Eth-Trunk 0
[sw2-Eth-Trunk0]q
[sw2-GigabitEthernet0/0/23]eth-trunk 0
[sw2-GigabitEthernet0/0/24]eth-trunk 0
sw1、sw2所连的三个干道(相连的已经绑为一个)
sw1
[sw1]port-group group-member GigabitEthernet 0/0/2 to GigabitEthernet 0/0/3 Eth-Trunk 0
[sw1-port-group]port link-type trunk
[sw1-GigabitEthernet0/0/2]port link-type trunk
[sw1-GigabitEthernet0/0/3]port link-type trunk
[sw1-Eth-Trunk0]port link-type trunk
[sw1-port-group]port trunk allow-pass vlan 2
[sw1-GigabitEthernet0/0/2]port trunk allow-pass vlan 2
[sw1-GigabitEthernet0/0/3]port trunk allow-pass vlan 2
[sw1-Eth-Trunk0]port trunk allow-pass vlan 2
sw2
[sw2]port-group group-member GigabitEthernet 0/0/2 to GigabitEthernet 0/0/3 Eth-Trunk 0
[sw2-port-group]port link-type trunk
[sw2-GigabitEthernet0/0/2]port link-type trunk
[sw2-GigabitEthernet0/0/3]port link-type trunk
[sw2-Eth-Trunk0]port link-type trunk
[sw2-port-group]port trunk allow-pass vlan 2
[sw2-GigabitEthernet0/0/2]port trunk allow-pass vlan 2
[sw2-GigabitEthernet0/0/3]port trunk allow-pass vlan 2
[sw2-Eth-Trunk0]port trunk allow-pass vlan 2
sw3和sw4
sw3连PC
[sw3]vlan 2
[sw3]int Eth0/0/4
[sw3-Ethernet0/0/4]port link-type access