OSPF配置.docx

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OSPF配置.docx

OSPF配置

OSPF配置

实验一:

OPSF基本配置

拓扑图:

实验环境:

4台MSR36-20路由器,其中两台充当客户机

实验步骤:

1.设备接口配置:

ClientA:

system-view

SystemView:

returntoUserViewwithCtrl+Z.

[H3C]sysnameClient1

[Client1]intGigabitEthernet0/0

[Client1-GigabitEthernet0/0]ipadd192.168.1.2255.255.255.0

[Client1-GigabitEthernet0/0]undoshut

[Client1-GigabitEthernet0/0]quit

[Client1]iproute0.0.0.00.0.0.0192.168.1.1

ClientB:

sys

SystemView:

returntoUserViewwithCtrl+Z.

[H3C]sysnameClientB

[ClientB]intge0/0

[ClientB-GigabitEthernet0/0]ipadd192.168.2.2255.255.255.0

[ClientB-GigabitEthernet0/0]undoshut

[ClientB-GigabitEthernet0/0]quit

[ClientB]iproute0.0.0.00.0.0.0192.168.2.1

[ClientB]

R1:

system-view

SystemView:

returntoUserViewwithCtrl+Z.

[H3C]sysnameR1

[R1]intge0/0

[R1-GigabitEthernet0/0]ipadd192.168.1.1255.255.255.0

[R1-GigabitEthernet0/0]undoshut

[R1-GigabitEthernet0/0]quit

[R1]intge0/1

[R1-GigabitEthernet0/1]ipadd12.1.1.1255.255.255.0

[R1-GigabitEthernet0/1]undoshut

[R1-GigabitEthernet0/1]quit

[R1]intlo0

[R1-LoopBack0]ipadd1.1.1.1255.255.255.0

[R1-LoopBack0]

R2:

system-view

SystemView:

returntoUserViewwithCtrl+Z.

[H3C]sysnameR2

[R2]intge0/1

[R2-GigabitEthernet0/1]ipadd12.1.1.2255.255.255.0

[R2-GigabitEthernet0/1]undoshut

[R2-GigabitEthernet0/1]quit

[R2]intge0/0

[R2-GigabitEthernet0/0]ipadd192.168.2.1255.255.255.0

[R2-GigabitEthernet0/0]undoshut

[R2-GigabitEthernet0/0]quit

[R2]intlo0

[R2-LoopBack0]ipadd2.2.2.2255.255.255.0

[R2-LoopBack0]

在ClientA上测试网络连通性:

Ping网关:

[ClientA]ping192.168.1.1

Ping192.168.1.1(192.168.1.1):

56databytes,pressCTRL_Ctobreak

56bytesfrom192.168.1.1:

icmp_seq=0ttl=255time=1.047ms

56bytesfrom192.168.1.1:

icmp_seq=1ttl=255time=0.978ms

56bytesfrom192.168.1.1:

icmp_seq=2ttl=255time=0.987ms

56bytesfrom192.168.1.1:

icmp_seq=3ttl=255time=1.056ms

56bytesfrom192.168.1.1:

icmp_seq=4ttl=255time=1.250ms

Ping12.1.1.1:

[ClientA]ping12.1.1.1

Ping12.1.1.1(12.1.1.1):

56databytes,pressCTRL_Ctobreak

56bytesfrom12.1.1.1:

icmp_seq=0ttl=255time=0.578ms

56bytesfrom12.1.1.1:

icmp_seq=1ttl=255time=0.840ms

56bytesfrom12.1.1.1:

icmp_seq=2ttl=255time=0.892ms

56bytesfrom12.1.1.1:

icmp_seq=3ttl=255time=0.863ms

56bytesfrom12.1.1.1:

icmp_seq=4ttl=255time=1.116ms

Ping12.1.1.2:

[ClientA]ping12.1.1.2

Ping12.1.1.2(12.1.1.2):

56databytes,pressCTRL_Ctobreak

Requesttimeout

Requesttimeout

Requesttimeout

Requesttimeout

此时发现ClientA无法ping通对端路由器R2的接口IP,也就说ClientA无法访问R2

查看R1的路由表:

[R1]displayiprouting-table

Destinations:

20Routes:

20

Destination/MaskProtoPreCostNextHopInterface

0.0.0.0/32Direct00127.0.0.1InLoop0

1.1.1.0/24Direct001.1.1.1Loop0

1.1.1.0/32Direct001.1.1.1Loop0

1.1.1.1/32Direct00127.0.0.1InLoop0

1.1.1.255/32Direct001.1.1.1Loop0

12.1.1.0/24Direct0012.1.1.1GE0/1

12.1.1.0/32Direct0012.1.1.1GE0/1

12.1.1.1/32Direct00127.0.0.1InLoop0

12.1.1.255/32Direct0012.1.1.1GE0/1

127.0.0.0/8Direct00127.0.0.1InLoop0

127.0.0.0/32Direct00127.0.0.1InLoop0

127.0.0.1/32Direct00127.0.0.1InLoop0

127.255.255.255/32Direct00127.0.0.1InLoop0

192.168.1.0/24Direct00192.168.1.1GE0/0

192.168.1.0/32Direct00192.168.1.1GE0/0

192.168.1.1/32Direct00127.0.0.1InLoop0

192.168.1.255/32Direct00192.168.1.1GE0/0

255.255.255.255/32Direct00127.0.0.1InLoop0

此时,我们发现在R1上没有去网R2的路由,R2也没有去往R1的路由,所以无法ping通!

2.OSPF配置:

R1:

[R1]routerid1.1.1.1//设置路由的routeID

[R1]ospf1

[R1-ospf-1]area0.0.0.0//设置ospf为区域0

//发布所有直连的网络

[R1-ospf-1-area-0.0.0.0]network1.1.1.10.0.0.0

[R1-ospf-1-area-0.0.0.0]network192.168.1.00.0.0.255

[R1-ospf-1-area-0.0.0.0]network12.1.1.00.0.0.255

[R1-ospf-1-area-0.0.0.0]

R2:

[R2]routerid2.2.2.2

[R2]ospf1

[R2-ospf-1]area0.0.0.0

[R2-ospf-1-area-0.0.0.0]network2.2.2.20.0.0.0

[R2-ospf-1-area-0.0.0.0]network192.168.2.00.0.0.255

[R2-ospf-1-area-0.0.0.0]network12.1.1.00.0.0.255

[R2-ospf-1-area-0.0.0.0]

在R1上查看路由表:

[R1]disiprouting-table

Destinations:

22Routes:

22

Destination/MaskProtoPreCostNextHopInterface

0.0.0.0/32Direct00127.0.0.1InLoop0

1.1.1.0/24Direct001.1.1.1Loop0

1.1.1.0/32Direct001.1.1.1Loop0

1.1.1.1/32Direct00127.0.0.1InLoop0

1.1.1.255/32Direct001.1.1.1Loop0

2.2.2.2/32O_INTRA10112.1.1.2GE0/1

12.1.1.0/24Direct0012.1.1.1GE0/1

12.1.1.0/32Direct0012.1.1.1GE0/1

12.1.1.1/32Direct00127.0.0.1InLoop0

12.1.1.255/32Direct0012.1.1.1GE0/1

127.0.0.0/8Direct00127.0.0.1InLoop0

127.0.0.0/32Direct00127.0.0.1InLoop0

127.0.0.1/32Direct00127.0.0.1InLoop0

127.255.255.255/32Direct00127.0.0.1InLoop0

192.168.1.0/24Direct00192.168.1.1GE0/0

192.168.1.0/32Direct00192.168.1.1GE0/0

192.168.1.1/32Direct00127.0.0.1InLoop0

192.168.1.255/32Direct00192.168.1.1GE0/0

192.168.2.0/24O_INTRA10212.1.1.2GE0/1

224.0.0.0/4Direct000.0.0.0NULL0

224.0.0.0/24Direct000.0.0.0NULL0

255.255.255.255/32Direct00127.0.0.1InLoop0

[R1]

在R1上查看OSPF邻居状态:

[R1]disospfpeer

OSPFProcess1withRouterID1.1.1.1

NeighborBriefInformation

Area:

0.0.0.0

RouterIDAddressPriDead-TimeStateInterface

2.2.2.212.1.1.2137Full/DRGE0/1

此时,发现R2的接口12.1.12为该网段的DR路由器

[R2]disospfpeer

OSPFProcess1withRouterID2.2.2.2

NeighborBriefInformation

Area:

0.0.0.0

RouterIDAddressPriDead-TimeStateInterface

1.1.1.112.1.1.1140Full/BDRGE0/1

此时,发现R1的接口12.1.1.1为该网段的BDR路由器

[R2]

在路由器上查看OSPF路由表:

[R1]disospfrouting

OSPFProcess1withRouterID1.1.1.1

RoutingTable

Routingfornetwork

DestinationCostTypeNextHopAdvRouterArea

12.1.1.0/241Transit0.0.0.02.2.2.20.0.0.0

2.2.2.2/321Stub12.1.1.22.2.2.20.0.0.0

1.1.1.1/320Stub0.0.0.01.1.1.10.0.0.0

192.168.1.0/241Stub0.0.0.01.1.1.10.0.0.0

192.168.2.0/242Stub12.1.1.22.2.2.20.0.0.0

Totalnets:

5

Intraarea:

5Interarea:

0ASE:

0NSSA:

0

[R1]

[R2]disospfrouting

OSPFProcess1withRouterID2.2.2.2

RoutingTable

Routingfornetwork

DestinationCostTypeNextHopAdvRouterArea

12.1.1.0/241Transit0.0.0.02.2.2.20.0.0.0

2.2.2.2/320Stub0.0.0.02.2.2.20.0.0.0

1.1.1.1/321Stub12.1.1.11.1.1.10.0.0.0

192.168.1.0/242Stub12.1.1.11.1.1.10.0.0.0

192.168.2.0/241Stub0.0.0.02.2.2.20.0.0.0

Totalnets:

5

Intraarea:

5Interarea:

0ASE:

0NSSA:

0

[R2]

测试网络连通性:

在ClientA上pingR2区域地址:

实验二:

OSPF高级配置

实验拓扑:

两台路由器均属于同一area0

实验步骤:

1.基本配置:

R1:

system-view

SystemView:

returntoUserViewwithCtrl+Z.

[H3C]intge0/0

[H3C-GigabitEthernet0/0]ipadd10.0.0.1255.255.255.0

[H3C-GigabitEthernet0/0]undoshut

[H3C-GigabitEthernet0/0]quit

[H3C]intge0/1

[H3C-GigabitEthernet0/1]ipadd20.0.0.1255.255.255.0

[H3C-GigabitEthernet0/1]undoshut

[H3C-GigabitEthernet0/1]quit

[H3C]intlo0

[H3C-LoopBack0]ipadd11.11.11.11255.255.255.0

[H3C-LoopBack0]

R2:

system-view

SystemView:

returntoUserViewwithCtrl+Z.

[H3C]intge0/0

[H3C-GigabitEthernet0/0]ipadd10.0.0.2255.255.255.0

[H3C-GigabitEthernet0/0]undoshut

[H3C-GigabitEthernet0/0]quit

[H3C]intge0/1

[H3C-GigabitEthernet0/1]ipadd20.0.0.2255.255.255.0

[H3C-GigabitEthernet0/1]undoshut

[H3C-GigabitEthernet0/1]quit

[H3C]intlo0

[H3C-LoopBack0]ipadd22.22.22.22255.255.255.0

[H3C-LoopBack0]

2.配置OSPF:

R1:

[R1]routerid11.11.11.11

[R1]ospf1

[R1-ospf-1]area0.0.0.0

[R1-ospf-1-area-0.0.0.0]network10.0.0.00.0.0.255

[R1-ospf-1-area-0.0.0.0]network20.0.0.00.0.0.255

[R1-ospf-1-area-0.0.0.0]network11.11.11.110.0.0.255

[R1-ospf-1-area-0.0.0.0]

R2:

[R2]routerid22.22.22.22

[R2]ospf1

[R2-ospf-1]area0.0.0.0

[R2-ospf-1-area-0.0.0.0]net10.0.0.00.0.0.255

[R2-ospf-1-area-0.0.0.0]net20.0.0.00.0.0.255

[R2-ospf-1-area-0.0.0.0]net22.22.22.220.0.0.255

[R2-ospf-1-area-0.0.0.0]

3.查看信息

在R1和R2上查看ospf邻居状态

由以上可以看出,由于R2有最高的Lo0(routeID最高)所以被选举为DR,R1被选举为BDR。

在R1和R2上查看路由表:

以上可以看出,在R1上通过20.0.0.2和10.0.0.2学到了对端路由且花费都为1;在R2上通过20.0.0.1和10.0.0.1学到了对端路由且花费都为1。

3.修改路由器R1接口Ge0/0的接口开销为150

[R1-GigabitEthernet0/0]ospfcost150

[R1-GigabitEthernet0/0]

再次查看R1上的OSPF路由表:

由于在R1上的ge0/0接口开销值远远大于ge0/1的开销值1,故在R1上只能看到最低开销值到对端的路由。

4.修改路由器接口ge0/0的优先级为0(优先级为0的接口不参与DR、BDR选举)

目前,R2上的ge0/0和ge0/1都是DR

[R2]intge0/0

[R2-GigabitEthernet0/0]ospfdr-priority0

再次在R1上查看OSPF邻居表

此时,我们发现R2上的ge0/0接口目前不是DR或者BDR,而是DRother了

 

实验三:

OPSF多区域配置

实验步骤:

1.基本网络配置:

配置ClientA、ClientB的IP地址(此处使用路由器充当客户机)

ClientA:

[H3C]sysnameClientA

[ClientA]intge0/0

[ClientA-GigabitEthernet0/0]ipadd192.168.111.2255.255.255.0

[ClientA-GigabitEthernet0/0]undoshut

[ClientA-GigabitEthernet0/0]quit

[ClientA]iproute0.0.0.00.0.0.0192.168.111.1

[ClientA]

ClientB:

[H3C]sysnameClient2

[Client2]intge0/0

[Client2-GigabitEthernet0/0]ipadd192.168.222.2255.255.255.0

[Client2-GigabitEthernet0/0]undoshut

[Client2-GigabitEthernet0/0]quit

[Client2]

[Client2]iproute0.0.0.00.0.0.0192.168.222.1

[Client2]

配置R1、R2、R3网络接口地址:

R1:

[R1]intge0/0

[R1-GigabitEthernet0/0]ipadd192.168.111.1255.255.255.0

[R1-GigabitEthernet0/0]undoshut

[R1-GigabitEthernet0/0]intge0/1

[R1-GigabitEthernet0/1]ipadd12.1.1.1255.255.255.0

[R1-GigabitEthernet0/1]undoshut

[R1-GigabitEthernet0/1]intlo0

[R1-LoopBack0]ipadd1.1.1.1255.255.255.0

[R1-LoopBack0]

R2:

[R2]intge0/1

[R2-GigabitEthernet0/1]ipadd12.1.1.2255.255.255.0

[R2-GigabitEthernet0/1]undoshut

[R2-GigabitEthernet0/1]intge0/2

[R2-GigabitEthernet0/2]ipadd23.1.1.1255.255.255.0

[R2-GigabitEthernet0/2]undoshut

[R2-GigabitEthernet0/2]intlo0

[R2-LoopBack0]ipadd2.2.2.2255.255.255.0

[R2-LoopBack0]

R3:

[R3]intge0/2

[R3-GigabitEthernet0/2]ipadd23.1.1.2255.255.255.0

[R3-GigabitEthernet0/2]undoshut

[R3-GigabitEthernet0/2]intge0/0

[R3-GigabitEthernet0/0]ipadd192.168.222.1255.255.255.0

[R3-GigabitEthernet0/0]undoshut

[R

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