一、OSPF基础配置命令
二、OSPF实操
AR1
The device is running!
<Huawei>sys
<Huawei>system-view
Enter system view, return user view with Ctrl+Z.
[Huawei]undo info enable
Info: Information center is disabled.
[Huawei]sysname R1
[R1]int lo 0
[R1-LoopBack0]ip address 1.1.1.1 24
[R1-LoopBack0]int g0/0/0
[R1-GigabitEthernet0/0/0]ip address 10.1.12.1 24
[R1-GigabitEthernet0/0/0]q
------------------------------先配置接口IP与环回接口IP------------------------------------
[R1]ospf 1 router-id 1.1.1.1
[R1-ospf-1]area 0
[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]network 10.1.12.1 0.0.0.0
[R1-ospf-1-area-0.0.0.0]q
[R1-ospf-1]dis this
[V200R003C00]
#
ospf 1 router-id 1.1.1.1
area 0.0.0.0
network 1.1.1.1 0.0.0.0
network 10.1.12.1 0.0.0.0 //方法一将接口IP 10.1.12.1加入area 0 中
#
return
[R1-ospf-1]
-------------------------方法一将接口IP加入区域--------------------------------------
[R1-ospf-1]a 0
[R1-ospf-1-area-0.0.0.0]undo network 10.1.12.1 0.0.0.0 \\取消上面IP接口的配置
[R1-ospf-1-area-0.0.0.0]dis this
[V200R003C00]
#
area 0.0.0.0
network 1.1.1.1 0.0.0.0
#
return
[R1-ospf-1-area-0.0.0.0]network 10.1.12.0 0.0.0.255
\\方法二将网络号包含在10.1.12.0内的接口全部加入。
[R1-ospf-1-area-0.0.0.0]dis this
[V200R003C00]
#
area 0.0.0.0
network 1.1.1.1 0.0.0.0
network 10.1.12.0 0.0.0.255
#
return
[R1-ospf-1-area-0.0.0.0]
--------------------方法二将网络号包含在10.1.12.0内的接口全部加入----------------------
[R1-ospf-1-area-0.0.0.0]int lo 0
[R1-LoopBack0]ospf network-type broadcast \\将回环接口的网络类型改为广播型
[R1-LoopBack0]dis this
[V200R003C00]
#
interface LoopBack0
ip address 1.1.1.1 255.255.255.0
ospf network-type broadcast
#
return
[R1-LoopBack0]q
[R1]dis ospf lsdb router 1.1.1.1
OSPF Process 1 with Router ID 1.1.1.1
Area: 0.0.0.0
Link State Database
Type : Router
Ls id : 1.1.1.1
Adv rtr : 1.1.1.1
Ls age : 96
Len : 48
Options : E
seq# : 80000009
chksum : 0xe334
Link count: 2
* Link ID: 1.1.1.0
Data : 255.255.255.0 //修改网络类型后发生变化
Link Type: StubNet
Metric : 0
Priority : Low
* Link ID: 10.1.12.0
Data : 255.255.255.0
Link Type: StubNet
Metric : 1
Priority : Low
[R1]AR2
The device is running!
<Huawei>sys
Enter system view, return user view with Ctrl+Z.
[Huawei]undo info enable
Info: Information center is disabled.
[Huawei]sysname R2
[R2]int lo 0
[R2-LoopBack0]ip address 2.2.2.2 32
[R2-LoopBack0]int g0/0/0
[R2-GigabitEthernet0/0/0]ip address 10.1.12.2 24
[R2-GigabitEthernet0/0/0]int g0/0/1
[R2-GigabitEthernet0/0/1]ip address 10.1.23.2 24
[R2-GigabitEthernet0/0/1]
------------------------------先配置接口IP与环回接口IP------------------------------------
[R2]ospf 1 router-id 2.2.2.2 \\创建ospf。id为2.2.2.2
[R2-ospf-1]a 0
[R2-ospf-1-area-0.0.0.0]network 10.1.12.0 0.0.0.255
\\将含有10.1.12.0的网络地址加入区域area 0,所以掩码使用的是.255
[R2-ospf-1-area-0.0.0.0]network 10.1.23.0 0.0.0.255
\\将含有10.1.23.0的网络地址加入区域area 0,所以掩码使用的是.255
[R2-ospf-1-area-0.0.0.0]network 2.2.2.2 0.0.0.0
\\将接口IP为2.2.2.2的这一个接口加入的区域area 0中，掩码使用0.0.0.0
[R2-ospf-1-area-0.0.0.0]q
[R2-ospf-1]q
[R2]dis ip routing-table protocol ospf \\查看ospf协议表
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Public routing table : OSPF
Destinations : 1 Routes : 1
OSPF routing table status : <Active>
Destinations : 1 Routes : 1
Destination/Mask Proto Pre Cost Flags NextHop Interface
1.1.1.0/24 OSPF 10 1 D 10.1.12.1 GigabitEthernet
0/0/0
\\R2计算出的1.1.1.1/32的路由与RI上配置的环回口1.1.1.1/24不一致，导致R2仅有通往1.1.1.1的路由信息。如果想要按照配置的效果实现，需要将环回口的网络类型改成broadcast。实际项目中，loopback接口通常都会配置为/32的主机路由
OSPF routing table status : <Inactive>
Destinations : 0 Routes : 0
[R2]AR3
The device is running!
<Huawei>sys
<Huawei>system-view
Enter system view, return user view with Ctrl+Z.
[Huawei]undo info enable
Info: Information center is disabled.
[Huawei]sysname R3
[R3]int lo 0
[R3-LoopBack0]ip address 3.3.3.3 24
[R3-LoopBack0]int g0/0/0
[R3-GigabitEthernet0/0/0]ip address 10.1.23.3 24
[R3-GigabitEthernet0/0/0]q
------------------------------先配置接口IP与环回接口IP------------------------------------
[R3]ospf 1 router-id 3.3.3.3
[R3-ospf-1]area 0
[R3-ospf-1-area-0.0.0.0]q
[R3-ospf-1]int g0/0/0
[R3-GigabitEthernet0/0/0]ospf enable 1 area 0
\\方法三进入接口通过ospf enable 1 area 0将当前接口加入进程1的区域0中
[R3-GigabitEthernet0/0/0]dis this
[V200R003C00]
#
interface GigabitEthernet0/0/0
ip address 10.1.23.3 255.255.255.0
ospf enable 1 area 0.0.0.0
#
return
[R3-GigabitEthernet0/0/0]q
[R3]int lo 0
[R3-LoopBack0]ospf enable 1 area 0.0.0.0
[R3-LoopBack0]dis ospf peer brief
OSPF Process 1 with Router ID 3.3.3.3
Peer Statistic Information
----------------------------------------------------------------------------
Area Id Interface Neighbor id State
0.0.0.0 GigabitEthernet0/0/0 2.2.2.2 Full
----------------------------------------------------------------------------
[R3-LoopBack0]三、OSPF相关的查看命令
1.dis this 查看当前路径下的配置信息
[R1-ospf-1]dis this
[V200R003C00]
#
ospf 1 router-id 1.1.1.1
area 0.0.0.0
network 1.1.1.1 0.0.0.0
network 10.1.12.1 0.0.0.0
#
return