6ospf单区域.docx
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6ospf单区域.docx
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6ospf单区域
OSPF:
OpenShortestPathFirst开放最短路径优先协议
拓扑图如下:
(点对点多路访问型)
接口连接:
Router1S0/0<---->Router2S0/0
Router3S0/1<---->Router2S0/1
Router3F1/0<---->Router2F1/0
路由器参考配置如下:
路由器R1的配置:
Router>//用户模式
Router>enable//从用户模式进入到特权模式
Router#configureterminal//从特权模式进入到全局模式
Router(config)#hostnameR1//给路由器从命名为R1
R1(config)#noipdomainlookup//关闭域名查找
R1(config)#lineconsole0//进入控制口
R1(config-line)#loggingsynchronous//光标跟随
R1(config-line)#exec-timeout00//关闭延迟
R1(config-line)#exit
R1(config)#interfaceloopback0//配置回环接口的ip地址
R1(config-if)#ipaddress1.1.1.1255.255.255.0
R1(config-if)#interfaces0/0//配置串口的ip地址
R1(config-if)#ipaddress192.1.1.1255.255.255.0
R1(config-if)#noshutdown//激活物理接口
R1(config-if)#end
R1#showiproute//查看路由表信息
Codes:
C-connected,S-static,R-RIP,M-mobile,B-BGP
D-EIGRP,EX-EIGRPexternal,O-OSPF,IA-OSPFinterarea
N1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2
E1-OSPFexternaltype1,E2-OSPFexternaltype2
i-IS-IS,su-IS-ISsummary,L1-IS-ISlevel-1,L2-IS-ISlevel-2
ia-IS-ISinterarea,*-candidatedefault,U-per-userstaticroute
o-ODR,P-periodicdownloadedstaticroute
Gatewayoflastresortisnotset
1.0.0.0/24issubnetted,1subnets
C1.1.1.0isdirectlyconnected,Loopback0
C192.1.1.0/24isdirectlyconnected,Serial0/0
R1#configureterminal//进入全局配置模式
R1(config)#routerospf1//启用ospf协议加进程号(进程号可不同)
R1(config-router)#network1.1.1.10.0.0.0area2//宣告ip、反向掩码和区域号
R1(config-router)#network192.1.1.10.0.0.0area2//区域号要相同
R1(config-router)#end
R1#showiproute//查看路由表信息
Codes:
C-connected,S-static,R-RIP,M-mobile,B-BGP
D-EIGRP,EX-EIGRPexternal,O-OSPF,IA-OSPFinterarea
N1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2
E1-OSPFexternaltype1,E2-OSPFexternaltype2
i-IS-IS,su-IS-ISsummary,L1-IS-ISlevel-1,L2-IS-ISlevel-2
ia-IS-ISinterarea,*-candidatedefault,U-per-userstaticroute
o-ODR,P-periodicdownloadedstaticroute
Gatewayoflastresortisnotset
//[110/65]:
管理距离110;成本(度量值)65
1.0.0.0/24issubnetted,1subnets
C1.1.1.0isdirectlyconnected,Loopback0
2.0.0.0/32issubnetted,1subnets
O2.2.2.2[110/65]via192.1.1.2,00:
02:
22,Serial0/0
3.0.0.0/32issubnetted,1subnets
O3.3.3.3[110/129]via192.1.1.2,00:
02:
22,Serial0/0
O193.1.1.0/24[110/128]via192.1.1.2,00:
02:
22,Serial0/0
C192.1.1.0/24isdirectlyconnected,Serial0/0
O194.1.1.0/24[110/128]via192.1.1.2,00:
02:
22,Serial0/0
路由器R2的配置:
(详细配置)
Router>//用户模式
Router>enable//从用户模式进入到特权模式
Router#configureterminal//从特权模式进入到全局模式
Router(config)#hostnameR2//给路由器从命名为R2
R2(config)#noipdomainlookup//关闭域名查找
R2(config)#lineconsole0//进入控制口
R2(config-line)#loggingsynchronous//光标跟随
R2(config-line)#exec-timeout00//关闭延迟
R2(config-line)#exit
R2(config)#interfaceloopback0//配置回环接口的ip地址
R2(config-if)#ipaddress2.2.2.2255.255.255.0
R2(config-if)#interfaces0/0//配置串口的ip地址
R2(config-if)#ipaddress192.1.1.2255.255.255.0
R2(config-if)#noshutdown
R2(config-if)#interfaces0/1
R2(config-if)#ipaddress193.1.1.2255.255.255.0
R2(config-if)#noshutdown
R2(config-if)#interfacef1/0
R2(config-if)#ipaddress194.1.1.2255.255.255.0
R2(config-if)#noshutdown
R2(config-if)#end
R2#showiproute//查看路由表信息
Codes:
C-connected,S-static,R-RIP,M-mobile,B-BGP
D-EIGRP,EX-EIGRPexternal,O-OSPF,IA-OSPFinterarea
N1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2
E1-OSPFexternaltype1,E2-OSPFexternaltype2
i-IS-IS,su-IS-ISsummary,L1-IS-ISlevel-1,L2-IS-ISlevel-2
ia-IS-ISinterarea,*-candidatedefault,U-per-userstaticroute
o-ODR,P-periodicdownloadedstaticroute
Gatewayoflastresortisnotset
2.0.0.0/24issubnetted,1subnets
C2.2.2.0isdirectlyconnected,Loopback0
C192.1.1.0/24isdirectlyconnected,Serial0/0
C194.1.1.0/24isdirectlyconnected,FastEthernet1/0
R2#configureterminal//进入全局配置模式
R2(config)#routerospf2//启用ospf协议加进程号(进程号可不同)
R2(config-router)#network2.2.2.20.0.0.0area2
R2(config-router)#network192.1.1.20.0.0.0area2
R2(config-router)#network193.1.1.20.0.0.0area2
R2(config-router)#network194.1.1.20.0.0.0area2
R2(config-router)#end
R2#showiproute//查看路由表信息
Codes:
C-connected,S-static,R-RIP,M-mobile,B-BGP
D-EIGRP,EX-EIGRPexternal,O-OSPF,IA-OSPFinterarea
N1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2
E1-OSPFexternaltype1,E2-OSPFexternaltype2
i-IS-IS,su-IS-ISsummary,L1-IS-ISlevel-1,L2-IS-ISlevel-2
ia-IS-ISinterarea,*-candidatedefault,U-per-userstaticroute
o-ODR,P-periodicdownloadedstaticroute
Gatewayoflastresortisnotset
//[110/65]:
管理距离110;成本(度量值)65
1.0.0.0/32issubnetted,1subnets
O1.1.1.1[110/65]via192.1.1.1,00:
00:
16,Serial0/0
2.0.0.0/24issubnetted,1subnets
C2.2.2.0isdirectlyconnected,Loopback0
3.0.0.0/32issubnetted,1subnets//两条路只走以太口
O3.3.3.3[110/2]via194.1.1.1,00:
00:
16,FastEthernet1/0
C193.1.1.0/24isdirectlyconnected,Serial0/1
C192.1.1.0/24isdirectlyconnected,Serial0/0
C194.1.1.0/24isdirectlyconnected,FastEthernet1/0
R2#showipprotocols//查看使用的协议
RoutingProtocolis"ospf2"
Outgoingupdatefilterlistforallinterfacesisnotset
Incomingupdatefilterlistforallinterfacesisnotset
RouterID2.2.2.2//路由ID号
Numberofareasinthisrouteris1.1normal0stub0nssa
Maximumpath:
4
RoutingforNetworks:
2.2.2.20.0.0.0area2
192.1.1.20.0.0.0area2
193.1.1.20.0.0.0area2
194.1.1.20.0.0.0area2
Referencebandwidthunitis100mbps
RoutingInformationSources:
GatewayDistanceLastUpdate
3.3.3.311000:
02:
21
1.1.1.111000:
02:
21
Distance:
(defaultis110)//管理距离110
R2#configureterminal
R2(config)#routerospf2
R2(config-router)#router-id194.1.1.2//修改路由的ID号为194.1.1.2
R2(config-router)#end
R2#clearipospfprocess//清除ospf协议的进程
ResetALLOSPFprocesses?
[no]:
y
R2#showipprotocols//查看使用的协议
RoutingProtocolis"ospf2"
Outgoingupdatefilterlistforallinterfacesisnotset
Incomingupdatefilterlistforallinterfacesisnotset
RouterID194.1.1.2//修改后的路由ID号
Numberofareasinthisrouteris1.1normal0stub0nssa
Maximumpath:
4
RoutingforNetworks:
2.2.2.20.0.0.0area2
192.1.1.20.0.0.0area2
193.1.1.20.0.0.0area2
194.1.1.20.0.0.0area2
Referencebandwidthunitis100mbps
RoutingInformationSources:
GatewayDistanceLastUpdate
3.3.3.311000:
02:
20
1.1.1.111000:
02:
20
Distance:
(defaultis110)
R2#showipospfinterfacef1/0//查看接口上的信息
FastEthernet1/0isup,lineprotocolisup
InternetAddress194.1.1.2/24,Area2//成本为1
ProcessID2,RouterID194.1.1.2,NetworkTypeBROADCAST,Cost:
1
TransmitDelayis1sec,StateBDR,Priority1
DesignatedRouter(ID)3.3.3.3,Interfaceaddress194.1.1.1
BackupDesignatedrouter(ID)194.1.1.2,Interfaceaddress194.1.1.2
Timerintervalsconfigured,Hello10,Dead40,Wait40,Retransmit5
oob-resynctimeout40
Helloduein00:
00:
03
SupportsLink-localSignaling(LLS)
Index4/4,floodqueuelength0
Next0x0(0)/0x0(0)
Lastfloodscanlengthis1,maximumis1
Lastfloodscantimeis4msec,maximumis4msec
NeighborCountis1,Adjacentneighborcountis1
Adjacentwithneighbor3.3.3.3(DesignatedRouter)
Suppresshellofor0neighbor(s)
R2#showipospfinterfaces0/1//查看接口上的信息
Serial0/1isup,lineprotocolisup
InternetAddress193.1.1.2/24,Area2//成本为64
ProcessID2,RouterID194.1.1.2,NetworkTypePOINT_TO_POINT,Cost:
64
TransmitDelayis1sec,StatePOINT_TO_POINT,
Timerintervalsconfigured,Hello10,Dead40,Wait40,Retransmit5
oob-resynctimeout40
Helloduein00:
00:
09
SupportsLink-localSignaling(LLS)
Index3/3,floodqueuelength0
Next0x0(0)/0x0(0)
Lastfloodscanlengthis1,maximumis1
Lastfloodscantimeis0msec,maximumis4msec
NeighborCountis1,Adjacentneighborcountis1
Adjacentwithneighbor3.3.3.3
Suppresshellofor0neighbor(s)
R2#configureterminal
R2(config)#interfacef1/0
R2(config-if)#ipospfcost64//修改路由的成本
R2(config-if)#end
R2#showipospfinterfacef1/0//查看接口上的信息
FastEthernet1/0isup,lineprotocolisup
InternetAddress194.1.1.2/24,Area2//修改后成本为64
ProcessID2,RouterID194.1.1.2,NetworkTypeBROADCAST,Cost:
64
TransmitDelayis1sec,StateBDR,Priority1
DesignatedRouter(ID)3.3.3.3,Interfaceaddress194.1.1.1
BackupDesignatedrouter(ID)194.1.1.2,Interfaceaddress194.1.1.2
Timerintervalsconfigured,Hello10,Dead40,Wait40,Retransmit5
oob-resynctimeout40
Helloduein00:
00:
03
SupportsLink-localSignaling(LLS)
Index4/4,floodqueuelength0
Next0x0(0)/0x0(0)
Lastfloodscanlengthis1,maximumis1
Lastfloodscantimeis4msec,maximumis4msec
NeighborCountis1,Adjacentneighborcountis1
Adjacentwithneighbor3.3.3.3(DesignatedRouter)
Suppresshellofor0neighbor(s)
R2#showiproute
Codes:
C-connected,S-static,R-RIP,M-mobile,B-BGP
D-EIGRP,EX-EIGRPexternal,O-OSPF,IA-OSPFinterarea
N1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2
E1-OSPFexternaltype1,E2-OSPFexternaltype2
i-IS-IS,su-IS-ISsummary,L1-IS-ISlevel-1,L2-IS-ISlevel-2
ia-IS-ISinterarea,*-candidatedefault,U-per-userstaticroute
o-ODR,P-periodicdownloadedstaticroute
Gatewayoflastresortisnotset
1.0.0.0/32issubnetted,1subnets
O1.1.1.1[110/65]via192.1.1.1,00:
00:
14,Serial0/0
2.0.0.0/24issubnetted,1subnets
C2.2.2.0isdirectlyconnected,Loopback0
3.0.0.0/32issubnetted,1subnets//两条路的成本相同后向个方向走
O3.3.3.3[110/6
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- ospf 区域