第一步 配置 OSPF 保证路由器直接网络连通性
R1 配置如下:
- [R1]dhcp enable
- Info: The operation may take a few seconds. Please wait for a moment.done.
- [R1]interface g0/0/2
- [R1-GigabitEthernet0/0/2]ip address 192.168.1.254 24
- [R1-GigabitEthernet0/0/2]dhcp select interface
- [R1]interface g0/0/0
- [R1-GigabitEthernet0/0/0]ip address 192.168.12.1 24
- [R1-GigabitEthernet0/0/0]q
- [R1]interface LoopBack 0
- [R1-LoopBack0]ip address 10.10.1.1 24
- [R1-LoopBack0]q
- [R1-ospf-1]area 0
- [R1-ospf-1-area-0.0.0.0]network 192.168.12.0 0.0.0.255
- [R1-ospf-1-area-0.0.0.0]network 10.10.1.1 255.255.255.255
R2 配置如下:
- [R2]dhcp enable
- Info: The operation may take a few seconds. Please wait for a moment.done.
- [R2]interface g0/0/2
- [R2-GigabitEthernet0/0/2]ip address 192.168.2.254 24
- [R2-GigabitEthernet0/0/2]dhcp select interface
- [R2]interface g0/0/1
- [R2-GigabitEthernet0/0/1]ip address 192.168.12.2 24.
- [R2-GigabitEthernet0/0/1]q
- [R2]interface g0/0/0
- [R2-GigabitEthernet0/0/0]ip address 192.168.23.2 24.
- [R2-GigabitEthernet0/0/0]q
- [R2]interface LoopBack 0
- [R2-LoopBack0]ip address 10.10.2.2 24
- [R2-LoopBack0]q
- [R2-ospf-1]area 0
- [R2-ospf-1-area-0.0.0.0]network 192.168.12.0 0.0.0.255
- [R2-ospf-1-area-0.0.0.0]network 192.168.23.0 0.0.0.255
- [R2-ospf-1-area-0.0.0.0]network 10.10.2.2 255.255.255.255
R3 配置如下:
- [R2]dhcp enable
- Info: The operation may take a few seconds. Please wait for a moment.done.
- [R3]interface g0/0/2
- [R3-GigabitEthernet0/0/2]ip address 192.168.3.254 24
- [R3-GigabitEthernet0/0/2]dhcp select interface
- [R3]interface g0/0/1
- [R3-GigabitEthernet0/0/1]ip address 192.168.23.3 24
- [R3]interface LoopBack 0
- [R3-LoopBack0]ip address 10.10.3.3 24
- [R3-LoopBack0]q
- [R3-ospf-1]area 0
- [R3-ospf-1-area-0.0.0.0]network 192.168.23.0 0.0.0.255
- [R3-ospf-1-area-0.0.0.0]network 10.10.3.3 255.255.255.255
测试路由器直接连通性:
在 R1 上 ping 路由器 R3, 网络互通
- [R1]ping 10.10.3.3
- PING 10.10.3.3: 56 data bytes, press CTRL_C to break
- Reply from 10.10.3.3: bytes=56 Sequence=1 ttl=254 time=40 ms
- Reply from 10.10.3.3: bytes=56 Sequence=2 ttl=254 time=20 ms
- Reply from 10.10.3.3: bytes=56 Sequence=3 ttl=254 time=30 ms
- Reply from 10.10.3.3: bytes=56 Sequence=4 ttl=254 time=30 ms
- Reply from 10.10.3.3: bytes=56 Sequence=5 ttl=254 time=50 ms
来源: http://www.bubuko.com/infodetail-2807059.html