BGP/MPLSVPN配置实验

来源:思科认证    发布时间:2012-11-09    思科认证视频    评论


  Router PEA
  !
  ip vrf vpn-a
  rd 65001:1
  route-target export 65001:1
  route-target import 65001:1
  !
  ip vrf vpn-b
  rd 65001:2
  route-target export 65001:2
  route-target import 65001:2
  interface Serial1/0
  ip vrf forwarding vpn-a
  ip address 172.16.3.1 255.255.255.0
  !
  interface Serial1/2
  ip vrf forwarding vpn-b
  ip address 172.16.5.1 255.255.255.252
  Router PEB
  !
  ip vrf vpn-a
  rd 65001:1
  route-target export 65001:1
  route-target import 65001:1
  !
  ip vrf vpn-b
  rd 65001:2
  route-target export 65001:2
  route-target import 65001:2
  !
  interface Serial1/1
  ip vrf forwarding vpn-a
  ip address 172.16.4.1 255.255.255.0
  !
  interface Serial1/2
  ip vrf forwarding vpn-b
  ip address 172.16.5.5 255.255.255.252
  !
  1.3配置PE-PE的路由会话
  配置PE-PE的路由主要完成下列任务:
  启用BGP;
  关闭ipv4单播前缀的通告;
  配置PE的邻居PE;
  激活IPv4到邻居的通告。
  Router PEA
  !
  router bgp 4837
  no bgp default ipv4-unicast
  bgp log-neighbor-changes
  neighbor 1.1.1.3 remote-as 4837
  neighbor 1.1.1.3 update-source Loopback0
  !
  address-family vpnv4
  neighbor 1.1.1.3 activate
  neighbor 1.1.1.3 send-community extended
  exit-address-family
  !
  Router PEB
  !
  router bgp 4837
  no synchronization
  bgp log-neighbor-changes
  neighbor 1.1.1.2 remote-as 4837
  neighbor 1.1.1.2 update-source Loopback0
  no auto-summary
  !
  address-family vpnv4
  neighbor 1.1.1.2 activate
  neighbor 1.1.1.2 send-community extended
  exit-address-family
  !
  1.4配置BGP4的PE-CE的路由选择会话
  Router PEA
  !
  router bgp 4837
  no bgp default ipv4-unicast
  bgp log-neighbor-changes
  neighbor 1.1.1.3 remote-as 4837
  neighbor 1.1.1.3 update-source Loopback0
  !
  address-family vpnv4
  neighbor 1.1.1.3 activate
  neighbor 1.1.1.3 send-community extended
  exit-address-family
  !
  address-family ipv4 vrf vpn-b
  neighbor 172.16.5.2 remote-as 65003
  neighbor 172.16.5.2 activate
  no synchronization
  network 172.16.5.0 mask 255.255.255.252
  exit-address-family
  !
  address-family ipv4 vrf vpn-a
  neighbor 172.16.3.2 remote-as 65001
  neighbor 172.16.3.2 activate
  no synchronization
  network 172.16.3.0 mask 255.255.255.0
  exit-address-family

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