OSPF配置.docx
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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