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全球路由表应用举例

nges
  network 11.11.11.0 mask 255.255.255.0
  network 22.22.22.0 mask 255.255.255.0
  neighbor 192.168.67.2 remote-as 200
  no auto-summary
  
  PE 2
  version 12.2
  !
  hostname PE-2
  !
  ip subnet-zero
  !
  ip vrf customer1
  
  !--- Customer1 VRF is configured.
  
  rd 100:1
  
  !--- Route Distinguisher for VRF is configured.
  
  route-target export 1:1
  route-target import 1:1
  
  !--- This configured the import and export policies for customer1
  !--- VRF.
  
  !
  ip cef
  
  !--- This enabled CEF switching.
  
  !
  interface Loopback0
  ip address 10.1.1.4 255.255.255.255
  interface Ethernet1/0
  
  !--- Connected to P router.
  
  ip address 10.10.34.4 255.255.255.0
  tag-switching ip
  
  !--- MPLS switching is enabled.
  
  !
  interface Serial9/0
  
  !--- Connected to CE 2 router.
  
  ip vrf forwarding customer1
  
  !--- This enables VRF forwarding on the interface.
  
  ip address 192.168.20.1 255.255.255.252
  !
  router ospf 1
  log-adjacency-changes
  redistribute static subnets
  network 0.0.0.0 255.255.255.255 area 0
  !
  router bgp 100
  no synchronization
  bgp log-neighbor-changes
  neighbor 10.1.1.2 remote-as 100
  neighbor 10.1.1.2 update-source Loopback0
  neighbor 10.1.1.2 next-hop-self
  no auto-summary
  !
  address-family ipv4 vrf customer1
  
  !--- This is the address-family IPv4 configuration of customer1 VRF.
  
  no auto-summary
  no synchronization
  network 22.22.22.0 mask 255.255.255.0
  
  !--- This announces the CE 2 network to PE 1.
  
  exit-address-family
  !
  address-family vpnv4
  
  !--- This is the address-family VPNV4 configuration for BGP Sessions
  !--- with PE 1.
  
  neighbor 10.1.1.2 activate
  neighbor 10.1.1.2 send-community extended
  no auto-summary
  exit-address-family
  !
  ip classless
  ip route 22.22.22.0 255.255.255.0 Serial9/0 192.168.20.2
  
  !--- This is the static route for network 22.22.22.0/24 in the global
  !--- routing table pointing to the interface connected to CE 2.
  
  ip route vrf customer1 0.0.0.0 0.0.0.0 192.168.6

本文来源:天下网吧 作者:网吧方案

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