optionA配置详解Word下载.docx
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- 上传时间:2023-05-07
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optionA配置详解Word下载.docx
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boot-start-marker
boot-end-marker
noaaanew-model
memory-sizeiomem5
ipcef
noipdomainlookup
interfaceLoopback0
ipaddress1.1.1.1255.255.255.0
interfaceSerial0/0
ipaddress10.10.12.1255.255.255.0
encapsulationframe-relay
ipospfnetworkbroadcast
serialrestart-delay0
noarpframe-relay
frame-relaymapip10.10.12.2102broadcast
noframe-relayinverse-arp
interfaceSerial0/1
noipaddress
shutdown
interfaceSerial0/2
interfaceSerial0/3
interfaceEthernet1/0
half-duplex
interfaceEthernet1/1
interfaceEthernet1/2
interfaceEthernet1/3
routerospf1
//CE端正常起OSPF
router-id1.1.1.1
log-adjacency-changes
network1.1.1.10.0.0.0area0
network10.10.12.10.0.0.0area0
noiphttpserver
control-plane
linecon0
exec-timeout00
loggingsynchronous
lineaux0
linevty04
end
R1-CE1#
R2-PE1配置
R2-PE1#SHOWRUN
2238bytes
hostnameR2-PE1
ipvrfvpna
//为CE创建一个VRF,RD为100:
1,RT为100:
1
rd100:
1
route-targetexport100:
route-targetimport100:
ipaddress2.2.2.2255.255.255.255
interfaceLoopback1
ipvrfforwardingvpna
ipaddress22.22.22.22255.255.255.0
ipvrfforwardingvpna
//将连接CE端的接口加入到VRF中ipaddress10.10.12.2255.255.255.0
frame-relaymapip10.10.12.1201broadcast
ipaddress10.10.23.2255.255.255.0
mplsip
frame-relaymapip10.10.23.3213broadcast
shutdown
routerospf100vrfvpna//为vpna创建一个OSPF100,目的是将CE路由引入到PE中router-id2.2.2.2
redistributebgp100subnets
//将MP-BGP学来的路由再发布进OSPFvpna中
network10.10.12.20.0.0.0area0
network22.22.22.220.0.0.0area0
//该OSPF进程是为了和R3-ASBR进行路由可达用的,内部IGPlog-adjacency-changes
network2.2.2.20.0.0.0area0
network10.10.23.20.0.0.0area0
routerbgp100
//起BGP100,在AS100内与R3-ASBR建立IBGP邻居关系
nosynchronization
bgprouter-id2.2.2.2
bgplog-neighbor-changes
neighbor3.3.3.3remote-as100
neighbor3.3.3.3update-sourceLoopback0
noauto-summary
address-familyvpnv4
//在VPNV4下激活R3-ASBR的MP-IBGP关系
neighbor3.3.3.3activate
neighbor3.3.3.3send-communityextended
exit-address-family
address-familyipv4vrfvpna//在vrf下将ospf100vrfvpna引入MP-BGP
redistributeospf100vrfvpna
end
R2-PE1#
R3-ASBR配置
R3-ASBR#SHOWRUN
2038bytes
hostnameR3-ASBR
ipvrfvpna
ipaddress3.3.3.3255.255.255.255
//将对端R4-ASBR看做是CE,这就是OptionA的特点ipaddress10.10.34.3255.255.255.0
frame-relaymapip10.10.34.4304broadcast
ipaddress10.10.23.3255.255.255.0
frame-relaymapip10.10.23.2312broadcast
routerospf1
router-id3.3.3.3
network3.3.3.30.0.0.0area0
network10.10.23.30.0.0.0area0
routerbgp100
bgprouter-id3.3.3.3
neighbor2.2.2.2remote-as100
neighbor2.2.2.2update-sourceLoopback0
address-familyvpnv4
neighbor2.2.2.2activate
neighbor2.2.2.2send-communityextended
address-familyipv4vrfvpna//在vrf下与对端R4-ASBR建立ebgp邻居关系
redistributeconnected
neighbor10.10.34.4remote-as200
neighbor10.10.34.4activate
R4-ASBR配置
R4-ASBR#conft
Enterconfigurationcommands,oneperline.
EndwithCNTL/Z.
R4-ASBR(config)#
R4-ASBR(config)#doshowrun
2179bytes
hostnameR4-ASBR
rd200:
ipaddress4.4.4.4255.255.255.255
ipaddress44.44.44.44255.255.255.0
ipaddress10.10.34.4255.255.255.0
frame-relaymapip10.10.34.3403broadcast
ipaddress10.10.45.4255.255.255.0
frame-relaymapip10.10.45.5415broadcast
router-id4.4.4.4
network4.4.4.40.0.0.0area0
network10.10.45.40.0.0.0area0
routerbgp200
bgprouter-id4.4.4.4
neighbor5.5.5.5remote-as200
neighbor5.5.5.5update-sourceLoopback0
neighbor5.5.5.5activate
neighbor5.5.5.5send-communityextended
address-familyipv4vrfvpna
neighbor10.10.34.3remote-as100
neighbor10.10.34.3activate
network44.44.44.0mask255.255.255.0
R5-PE2配置
R5-PE2#showrun
2118bytes
hostnameR5-PE2
ipaddress5.5.5.5255.255.255.255
ipaddress10.10.56.5255.255.255.0
frame-relaymapip10.10.56.6506broadcast
ipaddress10.10.45.5255.255.255.0
frame-relaymapip10.10.45.4514broadcast
inte
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