Sw2:
Vlan ba 10 20
Int e0/0/1
Port hy pvid vlan 10
Port hy un vlan 10
Int e0/0/2
Port hy pvid vlan 20
Port hy un vlan 20
Int g0/0/1
Port hy ta vlan 10 20
AR1:
Int g0/0/1.10
Ip add 192.168.10.1 24
Dot ter vid 10
Arp br en
Int g0/0/1.20
Ip add 192.168.20.1 24
Dot ter vid 20
Arp br en
Int g0/0/2
Ip add 192.168.100.2 24
Int g0/0/0
Ip add 12.0.0.1 24
Qu
Dhcp en
Ip pool vlan20
Network 192.168.20.0 ma 24
Gate 192.168.20.1
Dns 8.8.8.8
Int g0/0/1.10
Dhcp sel int
Int g0/0/1.20
Dhcp sel glo
qu
Ip route-s 23.0.0.0 24 12.0.0.2
Ip route-s 192.168.50.0 24 192.168.100.1
SW1:
Vlan ba 30 40 50 100
Int g0/0/3
Port hy pvid vlan 30
Port hy un vlan 30
Int g0/0/4
Port hy pvid vlan 40
Port hy un vlan 40
Int g0/0/5
Port hy pvid vlan 50
Port hy un vlan 50
Int g0/0/2
Port hy pvid vlan 100
Port hy un vlan 100
Int vlan 30
Ip add 192.168.30.1 24
Int vlan 40
Ip add 192.168.40.1 24
Int vlan 50
Ip add 192.168.50.1 24
Int vlan 100
Ip add 192.168.100.1 24
Qu
Dhcp en
Ip pool vlan40
Network 192.168.40.0 ma 24
Gate 192.168.40.1
Dns 8.8.8.8
Qu
Dhcp ser gr vlan50
Dhcp 23.0.0.3
qu
Int vlan 30
Dhcp sel int
Int vlan 40
Dhcp sel glo
Int vlan 50
Dhcp sel re
Dhcp re server-se vlan50
Qu
Ip route-s 0.0.0.0 0.0.0.0 192.168.100.2
AR2:
Int g0/0/1
Ip add 12.0.0.2 24
Int g0/0/0
Ip add 23.0.0.2 24
Qu
Ip route-s 192.168.50.0 24 12.0.0.1
AR3:
Int g0/0/1
Ip add 23.0.0.3 24
Qu
Ip route-s 0.0.0.0 0.0.0.0 23.0.0.2
Dhcp en
Ip pool vlan50
Netwo 192.168.50.0 ma 24
Gate 192.168.50.1
Dns 8.8.8.8
Qu
Int g0/0/1
Dhcp sel glo
原文：https://www.cnblogs.com/hehuanling/p/10048822.html