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配置运营商的运营商（跨域）示例

配置运营商的运营商（跨域）示例

一级运营商和二级运营商处于不同的AS中，二级运营商提供BGP/MPLS IPv6 VPN服务的配置举例。

组网需求

如图8-19，一级运营商和二级运营商在不同AS中，二级运营商向自己的客户提供BGP/MPLS IPv6 VPN服务。

本节配置举例与前一节配置运营商的运营商（相同AS）示例的区别在于：本节中，二级运营商与一级运营商不属于同一个AS。其它条件相同。

图8-19 配置运营商的运营商（跨域）组网图

配置思路

本例配置主要思路是：

  1. 配置运营商的运营商关键在于理解两类路由的交换过程，即：

    • 二级运营商内部路由在一级运营商骨干网上的交换：一级运营商将二级运营商作为自己的CE接入。

    • 二级运营商外部路由在二级运营商PE设备间的交换：需要在二级运营商PE设备（PE3和PE4）间建立MP-EBGP对等体关系。

  2. 配置跨域运营商的运营商，由于一级运营商PE与一级运营商CE位于不同的AS，它们之间要配置Labeled MP-EBGP，为与CE交换的路由加标签。

数据准备

完成本例配置，需准备如下数据：

  • 一级运营商PE、一级运营商CE及二级运营商PE上的MPLS LSR-ID

  • 配置IGP协议所需数据

  • 一级运营商PE上的使能IPv4地址族的VPN实例、路由标志RD及VPN-Target

  • 二级运营商PE上的使能IPv6地址族的VPN实例、路由标志RD及VPN-Target

  • 在一级运营商CE上配置两个路由策略

操作步骤

  1. 配置一级运营商骨干网的BGP/MPLS IP VPN，使用IS-IS作为骨干网的IGP协议，PE1和PE2之间使能LDP，并建立MP-IBGP对等体关系

    具体配置过程见参见配置运营商的运营商（相同AS）示例的相应部分，此处不再赘述。

    配置IGP协议时，注意将各PE的32位Loopback接口地址发布出去。

  2. 配置二级运营商网络：使用OSPF作为IGP协议，PE3和CE1、PE4和CE2之间分别使能LDP

    与配置运营商的运营商（相同AS）示例相同，具体配置过程略。

    配置IGP协议时，注意将各PE和CE的32位Loopback接口地址发布出去。

  3. 配置一级运营商CE接入到一级运营商的PE，并配置它们之间能够交换标签IPv4路由

    # 配置CE1：能够与PE3、PE1交换标签IPv4路由。

    <CE1> system-view
    [~CE1] interface gigabitEthernet 2/0/0
    [*CE1-GigabitEthernet2/0/0] ip address 10.1.1.1 24
    [*CE1-GigabitEthernet2/0/0] mpls
    [*CE1-GigabitEthernet2/0/0] quit
    [*CE1] route-policy policy1 permit node 1
    [*CE1-route-policy] apply mpls-label
    [*CE1-route-policy] quit
    [*CE1] route-policy policy2 permit node 1
    [*CE1-route-policy] if-match mpls-label
    [*CE1-route-policy] apply mpls-label
    [*CE1-route-policy] quit
    [*CE1] bgp 200
    [*CE1-bgp] peer 1.1.1.9 as-number 200
    [*CE1-bgp] peer 1.1.1.9 connect-interface loopback 1
    [*CE1-bgp] peer 1.1.1.9 route-policy policy2 export
    [*CE1-bgp] peer 1.1.1.9 label-route-capability
    [*CE1-bgp] peer 10.1.1.2 as-number 100
    [*CE1-bgp] peer 10.1.1.2 route-policy policy1 export
    [*CE1-bgp] peer 10.1.1.2 label-route-capability
    [*CE1-bgp] import-route ospf 1
    [*CE1-bgp] commit
    [~CE1-bgp] quit

    # 配置PE1：能够与CE1交换标签IPv4路由。

    <PE1> system-view
    [~PE1] ip vpn-instance vpn1
    [*PE1-vpn-instance-vpn1] ipv4-family
    [*PE1-vpn-instance-vpn1-af-ipv4] route-distinguisher 200:1
    [*PE1-vpn-instance-vpn1-af-ipv4] apply-label per-route
    [*PE1-vpn-instance-vpn1-af-ipv4] vpn-target 1:1 both
    [*PE1-vpn-instance-vpn1-af-ipv4] quit
    [*PE1-vpn-instance-vpn1] quit
    [*PE1] interface gigabitEthernet 1/0/0
    [*PE1-GigabitEthernet1/0/0] ip binding vpn-instance vpn1
    [*PE1-GigabitEthernet1/0/0] ip address 10.1.1.2 24
    [*PE1-GigabitEthernet1/0/0] mpls
    [*PE1-GigabitEthernet1/0/0] quit
    [*PE1] route-policy policy1 permit node 1
    [*PE1-route-policy] apply mpls-label
    [*PE1-route-policy] quit
    [*PE1] bgp 100
    [*PE1-bgp] ipv4-family vpn-instance vpn1
    [*PE1-bgp-vpn1] peer 10.1.1.1 as-number 200
    [*PE1-bgp-vpn1] peer 10.1.1.1 route-policy policy1 export
    [*PE1-bgp-vpn1] peer 10.1.1.1 label-route-capability
    [*PE1-bgp-vpn1] import-route direct
    [*PE1-bgp-vpn1] commit
    [~PE1-bgp-vpn1] quit
    [~PE1-bgp] quit

    # 配置PE3：能够与CE1交换标签IPv4路由。

    <PE3> system-view
    [~PE3] bgp 200
    [*PE3-bgp] peer 2.2.2.9 as-number 200
    [*PE3-bgp] peer 2.2.2.9 connect-interface loopback 1
    [*PE3-bgp] peer 2.2.2.9 label-route-capability
    [*PE3-bgp] commit
    [~PE3-bgp] quit

    配置完成后，CE1和PE3、CE1和PE1之间分别建立BGP对等体关系。

    [~CE1] display bgp peer
 BGP local router ID : 2.2.2.9
 Local AS number : 200
 Total number of peers : 2               Peers in established state : 2
  Peer       V   AS  MsgRcvd  MsgSent  OutQ  Up/Down       State    PrefRcv
  1.1.1.9    4  200        7        8     0 00:04:07 Established      0
  10.1.1.2   4  100        3        4     0 00:00:08 Established      0

    PE4、CE2和PE2的配置与PE3、CE1和PE1的配置类似，配置过程省略。

  4. 配置二级运营商的客户接入到二级运营商的PE

    与配置运营商的运营商（相同AS）示例相同，具体配置过程略。

  5. 在二级运营商的PE之间建立MP-EBGP对等体关系，交换二级运营商的客户的VPN路由

    # 配置PE3。

    <PE3> system-view
    [~PE3] bgp 200
    [*PE3-bgp] peer 6.6.6.9 as-number 300
    [*PE3-bgp] peer 6.6.6.9 connect-interface loopback 1
    [*PE3-bgp] peer 6.6.6.9 ebgp-max-hop 10
    [*PE3-bgp] ipv6-family vpnv6
    [*PE3-bgp-af-vpnv6] peer 6.6.6.9 enable
    [*PE3-bgp-af-vpnv6] commit
    [~PE3-bgp-af-vpnv6] quit
    [~PE3-bgp] quit

    # 配置PE4。

    <PE4> system-view
    [~PE4] bgp 300
    [*PE4-bgp] peer 1.1.1.9 as-number 200
    [*PE4-bgp] peer 1.1.1.9 connect-interface loopback 1
    [*PE4-bgp] peer 1.1.1.9 ebgp-max-hop 10
    [*PE4-bgp] ipv6-family vpnv6
    [*PE4-bgp-af-vpnv6] peer 1.1.1.9 enable
    [**PE4-bgp-af-vpnv6] quit
    [*PE4-bgp] commit
    [~PE4-bgp] quit

  6. 检查配置结果

    所有配置完成后，在PE1和PE2上执行display ip routing-table命令，可以看到PE1和PE2的公网路由表中只有一级运营商网络的路由。以PE1的显示为例：

    [~PE1] display ip routing-table
Route Flags: R - relay, D - download to fib, T - to vpn-instance, B - black hole route
------------------------------------------------------------------------------
Routing Tables: Public
         Destinations : 7        Routes : 7
  Destination/Mask  Proto  Pre  Cost       Flags  NextHop         Interface
        3.3.3.9/32  Direct 0    0              D  127.0.0.1       LoopBack1
        4.4.4.9/32  ISIS   15   10             D  10.3.1.2        GigabitEthernet2/0/0
       10.3.1.0/24  Direct 0    0              D  10.3.1.1        GigabitEthernet2/0/0
       10.3.1.1/32  Direct 0    0              D  127.0.0.1       GigabitEthernet2/0/0
       10.3.1.2/32  Direct 0    0              D  10.3.1.2        GigabitEthernet2/0/0
      127.0.0.0/8   Direct 0    0              D  127.0.0.1       InLoopBack0
      127.0.0.1/32  Direct 0    0              D  127.0.0.1       InLoopBack0

    在PE1和PE2上执行display ip routing-table vpn-instance命令，可以看到VPN路由表中有二级运营商网络的内部路由。以PE1的显示为例：

    [~PE1] display ip routing-table vpn-instance vpn1
Route Flags: R - relay, D - download to fib, T - to vpn-instance, B - black hole route
------------------------------------------------------------------------------
Routing Tables: vpn1
         Destinations : 11       Routes : 11
  Destination/Mask  Proto  Pre  Cost        Flags  NextHop         Interface
        1.1.1.9/32  EBGP   255  10              D  10.1.1.1        GigabitEthernet1/0/0
        2.2.2.9/32  EBGP   255  0               D  10.1.1.1        GigabitEthernet1/0/0
        5.5.5.9/32  IBGP   255  0              RD  4.4.4.9         GigabitEthernet2/0/0
        6.6.6.9/32  IBGP   255  10             RD  4.4.4.9         GigabitEthernet2/0/0
       10.4.1.0/24  EBGP   255  0               D  10.1.1.1        GigabitEthernet1/0/0
       10.1.1.0/24  Direct 0    0               D  10.1.1.2        GigabitEthernet1/0/0
       10.1.1.1/32  Direct 0    0               D  10.1.1.1        GigabitEthernet1/0/0
       10.1.1.2/32  Direct 0    0               D  127.0.0.1       GigabitEthernet1/0/0
       10.2.1.0/24  IBGP  255   0              RD  4.4.4.9         GigabitEthernet2/0/0
       10.5.1.0/24  IBGP   255  0              RD  4.4.4.9         GigabitEthernet2/0/0
       10.5.1.2/32  IBGP   255  0              RD  4.4.4.9         GigabitEthernet2/0/0

    在CE1和CE2上执行display ip routing-table命令，可以看到公网路由表中有二级运营商网络内部路由。以CE1的显示为例：

    [~CE1] display ip routing-table
Route Flags: R - relay, D - download to fib, T - to vpn-instance, B - black hole route
------------------------------------------------------------------------------
Routing Tables: Public
         Destinations : 15       Routes : 15
  Destination/Mask  Proto  Pre  Cost       Flags  NextHop         Interface
        1.1.1.9/32  OSPF   10   1              D  10.4.1.1        GigabitEthernet1/0/0
        2.2.2.9/32  Direct 0    0              D  127.0.0.1       LoopBack1
        5.5.5.9/32  EBGP    255  0             D  10.1.1.2        GigabitEthernet2/0/0
        6.6.6.9/32  EBGP    255  0             D  10.1.1.2        GigabitEthernet2/0/0
       10.4.1.0/24  Direct 0    0              D  10.4.1.2        GigabitEthernet1/0/0
       10.4.1.1/32  Direct 0    0              D  10.4.1.1        GigabitEthernet1/0/0
       10.4.1.2/32  Direct 0    0              D  127.0.0.1       GigabitEthernet1/0/0
       10.1.1.0/24  Direct 0    0              D  10.1.1.1        GigabitEthernet2/0/0
       10.1.1.1/32  Direct 0    0              D  127.0.0.1       GigabitEthernet2/0/0
       10.1.1.2/32  Direct 0    0              D  10.1.1.2        GigabitEthernet2/0/0
       10.2.1.0/24  EBGP    255  0             D  10.1.1.2        GigabitEthernet2/0/0
       10.5.1.0/24  EBGP    255  0             D  10.1.1.2        GigabitEthernet2/0/0
       10.5.1.2/32  EBGP    255  0             D  10.1.1.2        GigabitEthernet2/0/0
      127.0.0.0/8   Direct 0    0              D  127.0.0.1       InLoopBack0
      127.0.0.1/32  Direct 0    0              D  127.0.0.1       InLoopBack0

    在PE3和PE4上执行display ip routing-table命令，可以看到公网路由表中有二级运营商网络的内部路由。以PE3的显示为例：

    [~PE3] display ip routing-table
Route Flags: R - relay, D - download to fib, T - to vpn-instance, B - black hole route
------------------------------------------------------------------------------
Routing Tables: Public
         Destinations : 14       Routes : 14
  Destination/Mask  Proto  Pre  Cost       Flags  NextHop         Interface
  Destination/Mask  Proto  Pre  Cost       Flags  NextHop         Interface
        1.1.1.9/32  Direct 0    0              D  127.0.0.1       LoopBack1
        2.2.2.9/32  OSPF   10   1              D  10.4.1.2        GigabitEthernet2/0/0
        5.5.5.9/32  IBGP    255  0             RD  2.2.2.9         GigabitEthernet2/0/0
        6.6.6.9/32  IBGP    255  0             RD  2.2.2.9         GigabitEthernet2/0/0
       10.4.1.0/24  Direct 0    0              D  10.4.1.1        GigabitEthernet2/0/0
       10.4.1.1/32  Direct 0    0              D  127.0.0.1       GigabitEthernet2/0/0
       10.4.1.2/32  Direct 0    0              D  10.4.1.2        GigabitEthernet2/0/0
       10.1.1.0/24  EBGP    255  0             RD  6.6.6.9         GigabitEthernet2/0/0
       10.1.1.1/32  EBGP    255  0             RD  6.6.6.9         GigabitEthernet2/0/0
       10.2.1.0/24  IBGP    255  0             RD  2.2.2.9         GigabitEthernet2/0/0
       10.5.1.0/24  IBGP    255  0             RD  2.2.2.9         GigabitEthernet2/0/0
       10.5.1.2/32  IBGP    255  0             RD  2.2.2.9         GigabitEthernet2/0/0
      127.0.0.0/8   Direct 0    0              D  127.0.0.1        InLoopBack0      
      127.0.0.1/32  Direct 0    0              D  127.0.0.1        InLoopBack0

    在PE3和PE4上执行display ipv6 routing-table vpn-instance命令，可以看到VPN路由表中有远端VPN客户的路由，即，有二级运营商的外部路由。以PE3的显示为例：

    [~PE3] display ipv6 routing-table vpn-instance vpn1
    Routing Table : vpn1
         Destinations : 4        Routes : 4

 Destination  : 2001:db8:1::                    PrefixLength : 64
 NextHop      : 2001:db8:1::2                   Preference   : 0
 Cost         : 0                               Protocol     : Direct
 RelayNextHop : ::                              TunnelID     : 0x0
 Interface    : GigabitEthetnet1/0/0            Flags        : D

 Destination  : 2001:db8:1::2                   PrefixLength : 128
 NextHop      : ::1                             Preference   : 0
 Cost         : 0                               Protocol     : Direct
 RelayNextHop : ::                              TunnelID     : 0x0
 Interface    : GigabitEthetnet1/0/0            Flags        : D

 Destination  : 2001:db8:2::                   PrefixLength : 64
 NextHop      : ::FFFF:6.6.6.9                  Preference   : 255
 Cost         : 0                               Protocol     : EBGP
 RelayNextHop : ::                              TunnelID     : 0xf0010060
 Interface    : NULL0                           Flags        : RD

 Destination  : FE80::                          PrefixLength : 10
 NextHop      : ::                              Preference   : 0
 Cost         : 0                               Protocol     : Direct
 RelayNextHop : ::                              TunnelID     : 0x0
 Interface    : NULL0                           Flags        : D

    PE3和PE4可以相互Ping通：

    [~PE3] ping 10.2.1.2
  PING 10.2.1.2: 56  data bytes, press CTRL_C to break
    Reply from 10.2.1.2: bytes=56 Sequence=1 ttl=251 time=116 ms
    Reply from 10.2.1.2: bytes=56 Sequence=2 ttl=251 time=92 ms
    Reply from 10.2.1.2: bytes=56 Sequence=3 ttl=251 time=118 ms
    Reply from 10.2.1.2: bytes=56 Sequence=4 ttl=251 time=103 ms
    Reply from 10.2.1.2: bytes=56 Sequence=5 ttl=251 time=121 ms
  --- 10.2.1.2 ping statistics ---
    5 packet(s) transmitted
    5 packet(s) received
    0.00% packet loss
    round-trip min/avg/max = 92/110/121 ms

    CE3和CE4可以互相Ping通。

    [~CE3] ping ipv6 2001:db8:2::1
  PING 2001:db8:2::1 : 56  data bytes, press CTRL_C to break
    Reply from 2001:db8:2::1
    bytes=56 Sequence=1 hop limit=62  time = 140 ms
    Reply from 2001:db8:2::1
    bytes=56 Sequence=2 hop limit=62  time = 141 ms
    Reply from 2001:db8:2::1
    bytes=56 Sequence=3 hop limit=62  time = 141 ms
    Reply from 2001:db8:2::1
    bytes=56 Sequence=4 hop limit=62  time = 140 ms
    Reply from 2001:db8:2::1
    bytes=56 Sequence=5 hop limit=62  time = 156 ms

  --- 2001:db8:2::1 ping statistics ---
    5 packet(s) transmitted
    5 packet(s) received
    0.00% packet loss
round-trip min/avg/max = 140/143/156 ms

配置文件

  • CE3的配置文件

    #
     sysname CE3
    #
    interface GigabitEthernet1/0/0
     undo shutdown
     ipv6 enable
     ipv6 address 2001:db8:1::1/64
    #
     ipv6
    #
    bgp 65410
     router-id 10.10.10.10
     peer 2001:db8:1::2 as-number 200
     #
     ipv6-family unicast
      undo synchronization
      import-route direct
      peer 2001:db8:1::2 enable
    #
    return

  • PE3的配置文件

    #
     sysname PE3
    #
    ip vpn-instance vpn1
     ipv6-family
      route-distinguisher 100:1
      apply-label per-route
      vpn-target 1:1 export-extcommunity
      vpn-target 1:1 import-extcommunity
    #
     ipv6
    #
     mpls lsr-id 1.1.1.9
     mpls
    #
    mpls ldp
    #
    interface GigabitEthernet1/0/0
     undo shutdown
     ip binding vpn-instance vpn1
     ipv6 enable
     ipv6 address 2001:db8:1::2/64
    #
    interface GigabitEthernet2/0/0
     undo shutdown
     ip address 10.4.1.1 255.255.255.0
     mpls
     mpls ldp
    #
    interface LoopBack1
     ip address 1.1.1.9 255.255.255.255
    #
    bgp 200
     peer 2.2.2.9 as-number 200
     peer 2.2.2.9 connect-interface LoopBack1
     peer 6.6.6.9 as-number 300
     peer 6.6.6.9 ebgp-max-hop 10
     peer 6.6.6.9 connect-interface LoopBack1
     #
     ipv4-family unicast
      undo synchronization
      peer 2.2.2.9 enable
      peer 2.2.2.9 label-route-capability
      peer 6.6.6.9 enable
    #
     ipv6-family vpnv6
      policy vpn-target
      peer 6.6.6.9 enable
    #
     ipv6-family vpn-instance vpn1
      peer 2001:db8:1::1 as-number 65410
      import-route direct
    #
    ospf 1
     area 0.0.0.0
      network 1.1.1.9 0.0.0.0
      network 10.4.1.0 0.0.0.255
    #
    return

  • CE1的配置文件

    #
     sysname CE1
    #
     mpls lsr-id 2.2.2.9
     mpls
    #
    mpls ldp
    #
    interface GigabitEthernet1/0/0
     undo shutdown
     ip address 10.4.1.2 255.255.255.0
     mpls
     mpls ldp
    #
    interface GigabitEthernet2/0/0
     undo shutdown
     ip address 10.1.1.1 255.255.255.0
     mpls
    #
    interface LoopBack1
     ip address 2.2.2.9 255.255.255.255
    #
    bgp 200
     peer 10.1.1.2 as-number 100
     peer 1.1.1.9 as-number 200
     peer 1.1.1.9 connect-interface LoopBack1
     #
     ipv4-family unicast
      undo synchronization
      import-route ospf 1
      peer 10.1.1.2 enable
      peer 10.1.1.2 route-policy policy1 export
      peer 10.1.1.2 label-route-capability
      peer 1.1.1.9 enable
      peer 1.1.1.9 route-policy policy2 export
      peer 1.1.1.9 label-route-capability
    #
    route-policy policy1 permit node 1
     apply mpls-label
    route-policy policy2 permit node 2
     if-match mpls-label
     apply mpls-label
    #
    ospf 1
     area 0.0.0.0
      network 2.2.2.9 0.0.0.0
      network 10.1.1.0 0.0.0.255
      network 10.4.1.0 0.0.0.255
    #
    return

  • PE1的配置文件

    #
     sysname PE1
    #
    ip vpn-instance vpn1
     ipv4-family
      route-distinguisher 200:1
      apply-label per-route
      vpn-target 1:1 export-extcommunity
      vpn-target 1:1 import-extcommunity
    #
     mpls lsr-id 3.3.3.9
     mpls
    #
    mpls ldp
    #
    isis 1
     network-entity 10.0000.0000.0004.00
    #
    interface GigabitEthernet1/0/0
     undo shutdown
     ip binding vpn-instance vpn1
     ip address 10.1.1.2 255.255.255.0
     mpls
    #
    interface GigabitEthernet2/0/0
     undo shutdown
     ip address 10.3.1.1 255.255.255.0
     isis enable 1
     mpls
     mpls ldp
    #
    interface LoopBack1
     ip address 3.3.3.9 255.255.255.255
     isis enable 1
    #
    bgp 100
     peer 4.4.4.9 as-number 100
     peer 4.4.4.9 connect-interface LoopBack1
     #
     ipv4-family unicast
      undo synchronization
      peer 4.4.4.9 enable
     #
     ipv4-family vpnv4
      policy vpn-target
      peer 4.4.4.9 enable
    #
     ipv4-family vpn-instance vpn1
      peer 10.1.1.1 as-number 200
      peer 10.1.1.1 route-policy policy1 export
      peer 10.1.1.1 label-route-capability
      import-route direct
    #
    route-policy policy1 permit node 1
     apply mpls-label
    #
    return

  • PE2的配置文件

    #
     sysname PE2
    #
    ip vpn-instance vpn1
     ipv4-family
      route-distinguisher 200:2
      apply-label per-route
      vpn-target 1:1 export-extcommunity
      vpn-target 1:1 import-extcommunity
    #
     mpls lsr-id 4.4.4.9
     mpls
    #
    mpls ldp
    #
    isis 1
     network-entity 10.0000.0000.0005.00
    #
    interface GigabitEthernet1/0/0
     undo shutdown
     ip address 10.3.1.2 255.255.255.0
     isis enable 1
     mpls
     mpls ldp
    #
    interface GigabitEthernet2/0/0
     undo shutdown
     ip binding vpn-instance vpn1
     ip address 10.5.1.1 255.255.255.0
     mpls
    #
    interface LoopBack1
     ip address 4.4.4.9 255.255.255.255
     isis enable 1
    #
    bgp 100
     peer 3.3.3.9 as-number 100
     peer 3.3.3.9 connect-interface LoopBack1
     #
     ipv4-family unicast
      undo synchronization
      peer 3.3.3.9 enable
     #
     ipv4-family vpnv4
      policy vpn-target
      peer 3.3.3.9 enable
     #
     ipv4-family vpn-instance vpn1
      peer 10.5.1.2 as-number 300
      peer 10.5.1.2 route-policy policy1 export
      peer 10.5.1.2 label-route-capability
      import-route direct
    #
    route-policy policy1 permit node 1
     apply mpls-label
    #
    return

  • CE2的配置文件

    #
     sysname CE2
    #
     mpls lsr-id 5.5.5.9
     mpls
    #
    mpls ldp
    #
    interface GigabitEthernet1/0/0
     undo shutdown
     ip address 10.5.1.2 255.255.255.0
     mpls
    #
    interface GigabitEthernet2/0/0
     undo shutdown
     ip address 10.2.1.1 255.255.255.0
     mpls
     mpls ldp
    #
    interface LoopBack1
     ip address 5.5.5.9 255.255.255.255
    #
    bgp 300
     peer 10.5.1.1 as-number 100
     peer 6.6.6.9 as-number 300
     peer 6.6.6.9 connect-interface LoopBack1
     #
     ipv4-family unicast
      undo synchronization
      import-route ospf 1
      peer 10.5.1.1 enable
      peer 10.5.1.1 route-policy policy1 export
      peer 10.5.1.1 label-route-capability
      peer 6.6.6.9 enable
      peer 6.6.6.9 route-policy policy2 export
      peer 6.6.6.9 label-route-capability
    #
    route-policy policy1 permit node 1
     apply mpls-label
    route-policy policy2 permit node 1
     if-match mpls-label
     apply mpls-label
    #
    ospf 1
     area 0.0.0.0
      network 5.5.5.9 0.0.0.0
      network 10.2.1.0 0.0.0.255
      network 10.5.1.0 0.0.0.255
    #
    return

  • PE4的配置文件

    #
     sysname PE4
    #
    ip vpn-instance vpn1
     ipv6-family
      route-distinguisher 100:2
      apply-label per-route
      vpn-target 1:1 export-extcommunity
      vpn-target 1:1 import-extcommunity
    #
     ipv6
    #
     mpls lsr-id 6.6.6.9
     mpls
    #
    mpls ldp
    #
    interface GigabitEthernet1/0/0
     undo shutdown
     ip binding vpn-instance vpn1
     ipv6 enable
     ipv6 address 2001:db8:2::2/64
    #
    interface GigabitEthernet2/0/0
     undo shutdown
     ip address 10.2.1.2 255.255.255.0
     mpls
     mpls ldp
    #
    interface LoopBack1
     ip address 6.6.6.9 255.255.255.255
    #
    bgp 300
     peer 5.5.5.9 as-number 300
     peer 5.5.5.9 connect-interface LoopBack1
     peer 1.1.1.9 as-number 200
     peer 1.1.1.9 ebgp-max-hop 10
     peer 1.1.1.9 connect-interface LoopBack1
     #
     ipv4-family unicast
      undo synchronization
      peer 5.5.5.9 enable
      peer 5.5.5.9 label-route-capability
      peer 1.1.1.9 enable
     #
     ipv6-family vpnv6
      policy vpn-target
      peer 1.1.1.9 enable
    #
    ospf 1
     area 0.0.0.0
      network 6.6.6.9 0.0.0.0
      network 10.2.1.0 0.0.0.255
     #
     ipv6-family vpn-instance vpn1
      peer 2001:db8:2::1 as-number 65420
      import-route direct
    #
    return

  • CE4的配置文件

    #
     sysname CE4
    #
     ipv6
    #
    interface GigabitEthernet1/0/0
     undo shutdown
     ipv6 enable
     ipv6 address 2001:db8:2::1/64
    #
    bgp 65420
     router-id 20.20.20.20
     peer 2001:db8:2::2 as-number 300
     #
     ipv6-family unicast
      undo synchronization
      import-route direct
      peer 2001:db8:2::2 enable
    #
    return
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更新时间：2020-06-20

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