本案例采用ENSP模拟器来实现多区域OSPF的配置案例,IP地址规划在网络拓扑图中已经有了明确的标识,为了实现PC之间互通,使用多区域OSPF来实现,为了实现LSA的优化,本案例采用OSPF NSSA的方案来部署。
1、按照网络拓扑图配置IP地址。
2、分别配置R1、R2、R3路由器的多区域OSPF。
3、R2的区域1配置为NSSA区域。
4、R3的区域1配置为NSSA最终区域。
R1:
<Huawei>u t m
Info: Current terminal monitor is off.
<Huawei>u t d
Info: Current terminal debugging is off.
<Huawei>sys
Enter system view, return user view with Ctrl+Z.
[Huawei]sysname R1
[R1]int loopback 0
[R1-LoopBack0]ip address 1.1.1.1 32
[R1-LoopBack0]quit
[R1]int gi 0/0/2
[R1-GigabitEthernet0/0/2]ip address 192.168.1.1 24
[R1-GigabitEthernet0/0/2]quit
[R1]int gi 0/0/0
[R1-GigabitEthernet0/0/0]ip address 10.0.0.1 30
[R1-GigabitEthernet0/0/0]quit
[R1]ospf 1 router-id 1.1.1.1
[R1-ospf-1]area 0.0.0.0
[R1-ospf-1-area-0.0.0.0]network 10.0.0.0 0.0.0.3
[R1-ospf-1-area-0.0.0.0]network 192.168.1.0 0.0.0.255
[R1-ospf-1-area-0.0.0.0]network 1.1.1.1 0.0.0.0
[R1-ospf-1-area-0.0.0.0]quit
[R1-ospf-1]quit
R2:
<Huawei>u t m
Info: Current terminal monitor is off.
<Huawei>u t d
Info: Current terminal debugging is off.
<Huawei>sys
Enter system view, return user view with Ctrl+Z.
[Huawei]sysname R2
[R2]int loopback 0
[R2-LoopBack0]ip address 2.2.2.2 32
[R2-LoopBack0]quit
[R2]int gi 0/0/0
[R2-GigabitEthernet0/0/0]ip address 10.0.0.2 30
[R2-GigabitEthernet0/0/0]quit
[R2]int gi 0/0/1
[R2-GigabitEthernet0/0/1]ip address 10.0.0.5 30
[R2-GigabitEthernet0/0/1]quit
[R2]ospf 1 router-id 2.2.2.2
[R2-ospf-1]area 0.0.0.0
[R2-ospf-1-area-0.0.0.0]network 10.0.0.0 0.0.0.3
[R2-ospf-1-area-0.0.0.0]network 2.2.2.2 0.0.0.0
[R2-ospf-1-area-0.0.0.0]quit
[R2-ospf-1]area 0.0.0.1
[R2-ospf-1-area-0.0.0.1]network 10.0.0.4 0.0.0.3
[R2-ospf-1-area-0.0.0.1]nssa
[R2-ospf-1-area-0.0.0.1]quit
[R2-ospf-1]quit
R3:
<Huawei>u t m
Info: Current terminal monitor is off.
<Huawei>u t d
Info: Current terminal debugging is off.
<Huawei>sys
Enter system view, return user view with Ctrl+Z.
[Huawei]sysname R3
[R3]int loopback 0
[R3-LoopBack0]ip address 3.3.3.3 32
[R3-LoopBack0]quit
[R3]int gi 0/0/2
[R3-GigabitEthernet0/0/2]ip address 192.168.2.1 24
[R3-GigabitEthernet0/0/2]quit
[R3]int gi 0/0/1
[R3-GigabitEthernet0/0/1]ip address 10.0.0.6 30
[R3-GigabitEthernet0/0/1]quit
[R3]ospf 1 router-id 3.3.3.3
[R3-ospf-1]area 0.0.0.1
[R3-ospf-1-area-0.0.0.1]network 10.0.0.4 0.0.0.3
[R3-ospf-1-area-0.0.0.1]network 3.3.3.3 0.0.0.0
[R3-ospf-1-area-0.0.0.1]network 192.168.2.0 0.0.0.255
[R3-ospf-1-area-0.0.0.1]nssa no-summary
[R3-ospf-1-area-0.0.0.1]quit
[R3-ospf-1]quit
配置PC的IP地址:
PC之间能相互PING通:
分别检查R1、R2、R3路由器都已经建立了OSPF邻居关系:
检查R1、R2、R3路由器的路由表,均已正常通过OSPF学习到对端的路由:
至此, OSPF NSSA区域典型组网配置案例已完成!
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