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ESR(config)# hostname CE1 ESR(config)# ESR(config)# route-map BGP ESR(config-route-map)# rule 1 ESR(config-route-map-rule)# exit ESR(config-route-map)# exit ESR(config)# router bgp 65501 ESR(config-bgp)# neighbor 192.168.1.2 ESR(config-bgp-neighbor)# remote-as 65500 ESR(config-bgp-neighbor)# address-family ipv4 unicast ESR(config-bgp-neighbor-af)# route-map BGP out ESR(config-bgp-neighbor-af)# enable ESR(config-bgp-neighbor-af)# exit ESR(config-bgp-neighbor)# enable ESR(config-bgp-neighbor)# exit ESR(config-bgp)# address-family ipv4 unicast ESR(config-bgp-af)# network 10.110.0.1/32 ESR(config-bgp-af)# exit ESR(config-bgp)# enable ESR(config-bgp)# exit ESR(config)# interface gigabitethernet 1/0/1.100 ESR(config-subif)# ip firewall disable ESR(config-subif)# ip address 192.168.1.1/30 ESR(config-subif)# exit ESR(config)# ESR(config)# interface loopback 1 ESR(config-loopback)# ip address 10.110.0.1/32 ESR(config-loopback)# exit ESR(config)# do com ESR(config)# do conf |
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ESR(config)# hostname CE2 ESR(config)# ESR(config)# route-map BGP ESR(config-route-map)# rule 1 ESR(config-route-map-rule)# exit ESR(config-route-map)# exit ESR(config)# router bgp 65501 ESR(config-bgp)# neighbor 192.168.2.2 ESR(config-bgp-neighbor)# remote-as 65500 ESR(config-bgp-neighbor)# address-family ipv4 unicast ESR(config-bgp-neighbor-af)# route-map BGP out ESR(config-bgp-neighbor-af)# enable ESR(config-bgp-neighbor-af)# exit ESR(config-bgp-neighbor)# enable ESR(config-bgp-neighbor)# exit ESR(config-bgp)# address-family ipv4 unicast ESR(config-bgp-af)# network 10.112.0.1/32 ESR(config-bgp-af)# exit ESR(config-bgp)# enable ESR(config-bgp)# exit ESR(config)# interface gigabitethernet 1/0/1.100 ESR(config-subif)# ip firewall disable ESR(config-subif)# ip address 192.168.2.1/30 ESR(config-subif)# exit ESR(config)# ESR(config)# interface loopback 1 ESR(config-loopback)# ip address 10.112.0.1/32 ESR(config-loopback)# exit ESR(config)# do com ESR(config)# do conf |
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Примечание |
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В текущие реализации Option B поддержана только для VPN-IPv4 маршрутов (AFI = 1, SAFI = 128). |
L3VPN
Настроим CE:
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ESR(config)# hostname CE1
ESR(config)#
ESR(config)# route-map BGP
ESR(config-route-map)# rule 1
ESR(config-route-map-rule)# exit
ESR(config-route-map)# exit
ESR(config)# router bgp 65501
ESR(config-bgp)# neighbor 192.168.1.2
ESR(config-bgp-neighbor)# remote-as 65500
ESR(config-bgp-neighbor)# address-family ipv4 unicast
ESR(config-bgp-neighbor-af)# route-map BGP out
ESR(config-bgp-neighbor-af)# enable
ESR(config-bgp-neighbor-af)# exit
ESR(config-bgp-neighbor)# enable
ESR(config-bgp-neighbor)# exit
ESR(config-bgp)# address-family ipv4 unicast
ESR(config-bgp-af)# network 10.110.0.1/32
ESR(config-bgp-af)# exit
ESR(config-bgp)# enable
ESR(config-bgp)# exit
ESR(config)# interface gigabitethernet 1/0/1.100
ESR(config-subif)# ip firewall disable
ESR(config-subif)# ip address 192.168.1.1/30
ESR(config-subif)# exit
ESR(config)# interface loopback 1
ESR(config-loopback)# ip address 10.110.0.1/32
ESR(config-loopback)# exit
ESR(config)# do com
ESR(config)# do conf |
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ESR(config)# hostname CE2
ESR(config)#
ESR(config)# route-map BGP
ESR(config-route-map)# rule 1
ESR(config-route-map-rule)# exit
ESR(config-route-map)# exit
ESR(config)# router bgp 65501
ESR(config-bgp)# neighbor 192.168.2.2
ESR(config-bgp-neighbor)# remote-as 65500
ESR(config-bgp-neighbor)# address-family ipv4 unicast
ESR(config-bgp-neighbor-af)# route-map BGP out
ESR(config-bgp-neighbor-af)# enable
ESR(config-bgp-neighbor-af)# exit
ESR(config-bgp-neighbor)# enable
ESR(config-bgp-neighbor)# exit
ESR(config-bgp)# address-family ipv4 unicast
ESR(config-bgp-af)# network 10.112.0.1/32
ESR(config-bgp-af)# exit
ESR(config-bgp)# enable
ESR(config-bgp)# exit
ESR(config)# interface gigabitethernet 1/0/1.100
ESR(config-subif)# ip firewall disable
ESR(config-subif)# ip address 192.168.2.1/30
ESR(config-subif)# exit
ESR(config)#
ESR(config)# interface loopback 1
ESR(config-loopback)# ip address 10.112.0.1/32
ESR(config-loopback)# exit
ESR(config)# do com
ESR(config)# do conf |