如图配置全网互通
SW1:
[sw1]vlan batch 10 20
[sw1]interface Ethernet 0/0/2
[sw1-Ethernet0/0/2]port link-type access
[sw1-Ethernet0/0/2]port default vlan 10
[sw1]interface Ethernet 0/0/3
[sw1-Ethernet0/0/2]port link-type access
[sw1-Ethernet0/0/2]port default vlan 10
[sw1]interface Ethernet 0/0/4
[sw1-Ethernet0/0/2]port link-type access
[sw1-Ethernet0/0/2]port default vlan 20
[sw1]interface Ethernet 0/0/5
[sw1-Ethernet0/0/2]port link-type access
[sw1-Ethernet0/0/2]port default vlan 20
[sw2]interface Ethernet 0/0/10
[sw2-Ethernet0/0/1]port link-type trunk
[sw2-Ethernet0/0/1]port trunk allow-pass vlan all
[sw1]interface Ethernet 0/0/6
[sw1-Ethernet0/0/6]port link-type trunk
[sw1-Ethernet0/0/6]port trunk allow-pass vlan all
SW2:
interface Ethernet 0/0/2
port link-type access
port default vlan 10
interface Ethernet 0/0/3
port link-type access
port default vlan 20
[sw2]interface Ethernet 0/0/10
[sw2-Ethernet0/0/1]port link-type trunk
[sw2-Ethernet0/0/1]port trunk allow-pass vlan all
R1:
[R1]interface GigabitEthernet 0/0/0.1
[R1-GigabitEthernet0/0/0.1]dot1q termination vid 10
[R1-GigabitEthernet0/0/0.1]arp broadcast enable
[R1-GigabitEthernet0/0/0.1]ip address 192.168.100.254 255.255.255.0
[R1]interface GigabitEthernet 0/0/0.2
[R1-GigabitEthernet0/0/0.1]dot1q termination vid 10
[R1-GigabitEthernet0/0/0.1]arp broadcast enable
[R1-GigabitEthernet0/0/0.1]ip address 192.168.100.254 255.255.255.0
[R1]interface GigabitEthernet 0/0/1
[R1-GigabitEthernet0/0/1]ip address 192.168.30.1 255.255.255.0
[R1-GigabitEthernet0/0/1]undo shutdown
SW3
[SW3-3L]interface g
[SW3-3L]interface GigabitEthernet 0/0/1
[SW3-3L-GigabitEthernet0/0/1]port link-type access
[SW3-3L-GigabitEthernet0/0/1]port default vlan 100
[SW3-3L]interface Vlanif 100
[SW3-3L-Vlanif100]ip add
[SW3-3L-Vlanif100]ip address 192.168.30.2 255.255.255.0
[SW3-3L]interface GigabitEthernet 0/0/2
[SW3-3L-GigabitEthernet0/0/2]port link-type access
[SW3-3L-GigabitEthernet0/0/3]port default vlan 200
[SW3-3L]interface Vlanif 200
[SW3-3L-Vlanif100]ip address 192.168.10.10 255.255.255.0
[SW3-3L]interface GigabitEthernet 0/0/3
[SW3-3L-GigabitEthernet0/0/3]port link-type access
[SW3-3L-GigabitEthernet0/0/3]port default vlan 300
[SW3-3L]interface Vlanif 300
[SW3-3L-Vlanif100]ip address 192.168.20.10 255.255.255.0
[SW3-3L]ip route-static 192.168.100.0 255.255.255.0 192.168.30.01
[SW3-3L]ip route-static 192.168.200.0 255.255.255.0 192.168.30.01
[R1]ip route-static 0.0.0.0 0.0.0.0 192.168.30.2
验证全网互通