建立eth-trunk
[sw1]int Eth-Trunk 0
[sw1-Eth-Trunk0]int g0/0/2
[sw1-GigabitEthernet0/0/2]eth-trunk 0
[sw1-GigabitEthernet0/0/2]int g0/0/3
[sw1-GigabitEthernet0/0/3]eth-trunk 0
[sw2]int Eth-Trunk 0
[sw2-Eth-Trunk0]int g0/0/2
[sw2-GigabitEthernet0/0/2]eth-trunk 0
[sw2-GigabitEthernet0/0/2]int g0/0/3
[sw2-GigabitEthernet0/0/3]eth-trunk 0
建立vlan
[sw1]vlan 2
[sw2]vlan 2
[sw3]vlan 2
[sw4]vlan 2
划入vlan并创立trunk干道
[sw3]int g0/0/4
[sw3-GigabitEthernet0/0/4]port link-type access
[sw3-GigabitEthernet0/0/4]port default vlan 2
[sw4]int g0/0/4
[sw4-GigabitEthernet0/0/4]port link-type access
[sw4-GigabitEthernet0/0/4]port default vlan 2
[sw1]port-group group-member Eth-Trunk 0 g0/0/4 to g0/0/5
[sw1-port-group]port link-type trunk
[sw1-Eth-Trunk0]port link-type trunk
[sw1-GigabitEthernet0/0/4]port link-type trunk
[sw1-GigabitEthernet0/0/5]port link-type trunk
[sw1-Eth-Trunk0]port trunk allow-pass vlan 2
[sw1-GigabitEthernet0/0/4]port trunk allow-pass vlan 2
[sw1-GigabitEthernet0/0/5]port trunk allow-pass vlan 2
[sw2]port-group group-member Eth-Trunk 0 g0/0/4 to g0/0/5
[sw2-Eth-Trunk0]port link-type trunk
[sw2-GigabitEthernet0/0/4]port link-type trunk
[sw2-GigabitEthernet0/0/5]port link-type trunk
[sw2-Eth-Trunk0]port trunk allow-pass vlan 2
[sw2-GigabitEthernet0/0/4]port trunk allow-pass vlan 2
[sw2-GigabitEthernet0/0/5]port trunk allow-pass vlan 2
[sw3]port-group group-member g0/0/1 to g0/0/2
[sw3-port-group]port link-type trunk
[sw3-GigabitEthernet0/0/1]port link-type trunk
[sw3-GigabitEthernet0/0/2]port link-type trunk
[sw3-port-group]port trunk allow-pass vlan 2
[sw3-GigabitEthernet0/0/1]port trunk allow-pass vlan 2
[sw3-GigabitEthernet0/0/2]port trunk allow-pass vlan 2
[sw4]port-group group-member g0/0/1 to g0/0/2
[sw4-port-group]port link-type trunk
[sw4-GigabitEthernet0/0/1]port link-type trunk
[sw4-GigabitEthernet0/0/2]port link-type trunk
[sw4-port-group]port trunk allow-pass vlan 2
[sw4-GigabitEthernet0/0/1]port trunk allow-pass vlan 2
[sw4-GigabitEthernet0/0/2]port trunk allow-pass vlan 2
stp
[sw1]stp mode mstp
[sw1]stp enable
[sw1]stp region-configuration
[sw1-mst-region]region-name a
[sw1-mst-region]instance 1 vlan 1
[sw1-mst-region]instance 2 vlan 2
[sw1-mst-region]active region-configuration
[sw2]stp mode mstp
[sw2]stp enable
[sw2]stp region-configuration
[sw2-mst-region]region-name a
[sw2-mst-region]instance 1 vlan 1
[sw2-mst-region]instance 2 vlan 2
[sw2-mst-region]active region-configuration
[sw3]stp mode mstp
[sw3]stp enable
[sw3]stp region-configuration
[sw3-mst-region]region-name a
[sw3-mst-region]instance 1 vlan 1
[sw3-mst-region]instance 2 vlan 2
[sw3-mst-region]active region-configuration
[sw4]stp mode mstp
[sw4]stp enable
[sw4]stp region-configuration
[sw4-mst-region]region-name a
[sw4-mst-region]instance 1 vlan 1
[sw4-mst-region]instance 2 vlan 2
[sw4-mst-region]active region-configuration
调边缘接口
[sw3]int g0/0/3
[sw3-GigabitEthernet0/0/3]stp edged-port enable
[sw3-GigabitEthernet0/0/3]int g0/0/4
[sw3-GigabitEthernet0/0/4]stp edged-port enable
[sw4]port-group group-member g0/0/3 to g0/0/4
[sw4-port-group]stp edged-port enable
[sw4-GigabitEthernet0/0/3]stp edged-port enable
[sw4-GigabitEthernet0/0/4]stp edged-port enable
svi
[sw1]int vlan1
[sw1-Vlanif1]ip address 172.16.1.1 25
[sw1]int vlan 2
[sw1-Vlanif2]ip address 172.16.1.129 25
[sw2]int vlan1
[sw2-Vlanif1]ip address 172.16.1.2 25
[sw2]int vlan2
[sw2-Vlanif2]ip address 172.16.1.130 25
vrrp
[sw1]int vlan1
[sw1-Vlanif1]vrrp vrid 1 virtual-ip 172.16.1.126
[sw1-Vlanif1]vrrp vrid 1 priority 105
[sw1-Vlanif1]vrrp vrid 1 track interface g 0/0/1 reduced 10
[sw1-Vlanif1]int vlan 2
[sw1-Vlanif2]vrrp vrid 1 virtual-ip 172.16.1.254
[sw2]int vlan1
[sw2-Vlanif1]vrrp vrid 1 virtual-ip 172.16.1.126
[sw2-Vlanif1]int vlan 2
[sw2-Vlanif2]vrrp vrid 1 virtual-ip 172.16.1.254
[sw2-Vlanif2]vrrp vrid 1 priority 105
[sw2-Vlanif2]vrrp vrid 1 track int g0/0/1 reduce 10
dhcp
[sw1]dhcp enable
[sw1]ip pool 1
[sw1-ip-pool-1]network 172.16.1.0 mask 25
[sw1-ip-pool-1]gateway-list 172.16.1.126
[sw1-ip-pool-1]dns-list 114.114.144.144 8.8.8.8
[sw1-ip-pool-1]int vlan1
[sw1-Vlanif1]dhcp select global
[sw1-Vlanif1]int vlan 2
[sw1-Vlanif2]dhcp select global
[sw1]ip pool 2
[sw1-ip-pool-2]network 172.16.1.128 mask 25
[sw1-ip-pool-2]gateway-list 172.161.1.254
[sw1-ip-pool-2]dns-list 114.114.114.114 8.8.8.8
[sw2]dhcp enable
[sw2-ip-pool-1]network 172.16.1.0 mask 25
[sw2-ip-pool-1]gateway-list 172.16.1.126
[sw2-ip-pool-1]dns-list 114.114.114.114 8.8.8.8
[sw2-ip-pool-1]int vlan1
[sw2-Vlanif1]dhcp select global
[sw2-Vlanif1]int vlan2
[sw2-Vlanif2]dhcp select global
[sw2]ip pool 2
[sw2-ip-pool-2]network 172.16.1.128 mask 25
[sw2-ip-pool-2]gateway-list 172.16.1.254
[sw2-ip-pool-2]dns-list 114.114.114.114 8.8.8.8
打通三层
[sw1]vlan 100
[sw1]int Vlanif 100
[sw1-GigabitEthernet0/0/1]port link-type access
[sw1-GigabitEthernet0/0/1]port default vlan 100
[sw2]vlan 100
[sw2]int vlan 100
[sw2-Vlanif100]ip add 172.16.0.6 30
[sw2-Vlanif100]int g0/0/1
[sw2-GigabitEthernet0/0/1]port link-type access
[sw2-GigabitEthernet0/0/1]port default vlan 100
[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]ip add 12.1.1.1 24
[r1-GigabitEthernet0/0/0]int g0/0/1
[r1-GigabitEthernet0/0/1]ip add 172.16.0.1 30
[r1-GigabitEthernet0/0/1]int g 0/0/2
[r1-GigabitEthernet0/0/2]ip add 172.16.0.5 30
ospf
[sw1]ospf 1 router-id 1.1.1.1
[sw1-ospf-1]area 0
[sw1-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[sw2]ospf 1 router-id 2.2.2.2
[sw2-ospf-1]area 0
[sw2-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[r1]ospf 1 router-id 11.11.11.11
[r1-ospf-1]area 0
[r1-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255
[sw1]ospf 1
[sw1-ospf-1]silent-interface all
[sw1-ospf-1]undo silent-interface Vlanif 100
[sw1-ospf-1]undo silent-interface Eth-Trunk 0
[sw2]ospf 1
[sw2-ospf-1]silent-interface all
[sw2-ospf-1]undo silent-interface Vlanif 1
[sw2-ospf-1]undo silent-interface Eth-Trunk 0
[r1]ip route-static 0.0.0.0 0 12.1.1.2
[r1]ospf 1
[r1-ospf-1]default-route-advertise
ral
[r1]acl 2000
[r1-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255
[r1-acl-basic-2000]int g0/0/0
[r1-GigabitEthernet0/0/0]nat outbound 2000
isp公网
[r2]int g0/0/0
[r2-GigabitEthernet0/0/0]ip add 12.1.1.2 24
[r2-GigabitEthernet0/0/0]int l0
[r2-LoopBack0]ip add 1.1.1.1 24
实验到这pc都能获取ip地址
测试
实验结束！