1、R3(PE-1)3.3.3.3/2413.13.13.3/24F1/1:23.23.23.3/24F2/0:34.34.34.3/24R4(P)4.4.4.4/2434.34.34.4/2445.45.45.4/24R5(PE-2)5.5.5.5/2445.45.45.5/2456.56.56.5/2457.57.57.5/24R6(xx-2)192.168.6.1/2456.56.56.6/24R7(hh-2)192.168.7.157.57.57.7/24三CE设备起ospf协议:R1:router ospf 1network 13.13.13.0 0.0.0.255 area 0 net
2、work 192.168.1.0 0.0.0.255 area 0R2: network 23.23.23.0 0.0.0.255 area 0 network 192.168.2.0 0.0.0.255 area 0R6: log-adjacency-changes network 56.56.56.0 0.0.0.255 area 0 network 192.168.6.0 0.0.0.255 area 0R7: router ospf 1network 57.57.57.0 0.0.0.255 area 0 network 192.168.7.0 0.0.0.255 area 0四、在P
3、E设备上做vrf的配置。R3(config)#ip vrf xxR3(config-vrf)#rd 1:1R3(config-vrf)#route-target 1:R3(config-vrf)#exiR3(config)#int f1/0R3(config-if)#ip vrf forwarding xxR3(config-if)#exiR3(config)#ip vrf hhR3(config-vrf)#rd 2:2R3(config-vrf)#route-target 2:R3(config)#int f1/2R3(config-if)#ip vrf forwarding hhR3(co
4、nfig-if)#exit五、在PE设备上起ospf协议R3(config)#router ospf 13 vrf xxR3(config-router)#network 13.13.13.0 0.0.0.255 area 0R3(config-router)#exiR3(config)#router ospf 23 vrf hhR3(config-router)#network 23.23.23.0 0.0.0.255 area 0六、ISP上用路由协议。注:目前只有ospf和isis支持mpls流量工程。R3(config)#clns routingR3(config)#router is
5、isR3(config-router)#net 49.0534.0000.0000.0001.00R3(config-router)#metric 20 level-1R3(config)#int f2/0R3(config-if)#ip router isisR3(config)#int loopback 0R(config)#clns routingR(config)#router isisR(config-router)#net 49.0534.0000.0000.000.00R(config-router)#metric 20 level-1R(config)#int f/0R(con
6、fig-if)#ip router isisR3(config)#int f/Rconfig)#clns routingR(config)#router isisR(config-router)#net 49.0534.0000.0000.000.00R(config-router)#metric 20 level-1R(config)#int f/0R(config-if)#ip router isisR(config)#int loopback 0七、在上做。R3(config)#router bgp 345R3(config-router)#bgp router-id 3.3.3.3R3
7、(config-router)#no bgp default ipv4-unicast R3(config-router)#nei 5.5.5.5 remote-as 345R3(config-router)#nei 5.5.5.5 update-source loopback 0R3(config-router)#address-family vpnv4 R3(config-router-af)#nei 5.5.5.5 activate R3(config-router-af)#exiR5(config)#router bgp 345R5(config-router)#bgp router-
8、id 5.5.5.5R5(config-router)#no bgp default ipv4-unicast R5(config-router)#nei 3.3.3.3 remote-as 345R5(config-router)#nei 3.3.3.3 update-source loo 0 R5(config-router)#address-family vpnv4 R5(config-router-af)#nei 3.3.3.3 activate八、上起Mpls:R3(config)#mpls ldp router-id loopback 0R3(config-if)#mpls ipR
9、4(config)#mpls ldp router-id loopback 0R4(config)#int f1/0R4(config-if)#mpls ipR4(config)#int f1/1R5(config)#mpls ldp router-id loopback 0R5(config)#int f1/0R5(config-if)#mpls ip九、引入客户路由。R3(config-router)#address-family ipv4 vrf xxR3(config-router-af)#redistribute connected R3(config-router-af)#redi
10、stribute ospf 13 vrf xxR(config)#router bgp 345R(config-router)#address-family ipv4 vrf xxR(config-router-af)#redistribute connected R(config-router-af)#redistribute ospf 56 vrf xx十、在内重发布R3(config)#router os 13 vrf xxR3(config-router)#redistribute bgp 345R(config)#router os 56 vrf xxR(config-router)#redistribute bgp 345 11 秀秀的报告 尊重版权 珍爱生命
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