R2配置DHCP,R2和R1配OSPF,R1出NAT
R2的DHCP和OSPF:
- ip pool 1
- gateway-list 10.1.1.1
- network 10.1.1.0 mask 255.255.255.0
- dns-list 8.8.8.8
- #
- interface GigabitEthernet0/0/0
- ip address 1.1.1.2 255.255.255.0
- ospf enable 1 area 0.0.0.0
- #
- interface GigabitEthernet0/0/1
- ip address 10.1.1.1 255.255.255.0
- ospf enable 1 area 0.0.0.0
- dhcp select global
- #
- ospf 1
- area 0.0.0.0
- network 1.1.1.0 0.0.0.255
- network 10.1.1.0 0.0.0.255
- #
R1配置NAT和OSPF:
- acl number 2000
- rule 5 permit
- #
- nat address-group 1 100.1.1.1 100.1.1.1
- #
- interface GigabitEthernet0/0/0
- ip address 1.1.1.1 255.255.255.0
- ospf enable 1 area 0.0.0.0
- #
- interface GigabitEthernet0/0/1
- ip address 100.1.1.1 255.255.255.252
- ospf enable 1 area 0.0.0.0
- nat outbound 2000
- #
- #
- ospf 1
- area 0.0.0.0
- network 1.1.1.0 0.0.0.255
- network 100.1.1.0 0.0.0.3
- #
这里在opsf区域后面,如果宣告的接口太多,需要全部宣告ospf的话,可以用一个命令启用所有接口的ospf:
- ospf 1
- area 0.0.0.0
- network 0.0.0.0 0.0.0.0
- #
直连路由可以通过宣告,也可以直接引入:在ospf进程号下,直接写:import-route direct