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AR100, AR120, AR150, AR160, AR200, AR300, AR1200, AR2200, AR3200, AR3600 V200R010 配置指南-以太网交换（命令行）

本文档针对设备的局域网业务，主要包括透明网桥配置、MAC表配置、链路聚合配置、VLAN配置、Voice VLAN配置、STP/RSTP/MSTP配置等，从配置过程和配置举例两大方面介绍了此业务的配置方法和应用场景。

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配置Dot1q终结子接口接入L3VPN示例

配置Dot1q终结子接口接入L3VPN示例

组网需求

如图6-11所示，CE1、CE3属于VPN-A，CE2、CE4属于VPN-B；VPN-A使用的VPN-target属性为111:1，VPN-B使用的VPN-target属性为222:2。不同VPN用户之间不能互相访问。

图6-11  配置Dot1q终结子接口接入L3VPN组网图

配置思路

采用如下的思路配置Dot1q子接口接入L3VPN：

  1. 骨干网中，与CE相连的PE上需配置VPN实例，并把与CE相连的接口和相应的VPN实例绑定；绑定之后配置与CE相连的接口的IP地址。

  2. PE与PE之间配置OSPF实现PE之间的互通。

  3. 配置MPLS基本能力和MPLS LDP，建立MPLS LSP。

  4. 配置MP-IBGP交换VPN路由信息。

  5. CE与PE之间配置EBGP交换VPN路由信息。

  6. 在PE连接CE的接口上配置Dot1q子接口接入L3VPN。

操作步骤

  1. 在MPLS骨干网上配置OSPF协议，实现骨干网PE和P的互通

    # 配置PE1。

    <Huawei> system-view
[Huawei] sysname PE1
[PE1] interface loopback 1
[PE1-LoopBack1] ip address 10.10.1.9 32
[PE1-LoopBack1] quit
[PE1] interface gigabitethernet 3/0/0
[PE1-GigabitEthernet3/0/0] ip address 172.16.1.1 24
[PE1-GigabitEthernet3/0/0] quit
[PE1] ospf 1
[PE1-ospf-1] area 0
[PE1-ospf-1-area-0.0.0.0] network 172.16.1.0 0.0.0.255
[PE1-ospf-1-area-0.0.0.0] network 10.10.1.9 0.0.0.0
[PE1-ospf-1-area-0.0.0.0] quit
[PE1-ospf-1] quit

    # 配置P。

    <Huawei> system-view
[Huawei] sysname P
[P] interface loopback 1
[P-LoopBack1] ip address 10.20.2.9 32
[P-LoopBack1] quit
[P] interface gigabitethernet 1/0/0 
[P-GigabitEthernet1/0/0] ip address 172.16.1.2 24
[P-GigabitEthernet1/0/0] quit
[P] interface gigabitethernet 2/0/0
[P-GigabitEthernet2/0/0] ip address 172.26.1.1 24
[P-GigabitEthernet2/0/0] quit
[P] ospf 1
[P-ospf-1] area 0
[P-ospf-1-area-0.0.0.0] network 172.16.1.0 0.0.0.255
[P-ospf-1-area-0.0.0.0] network 172.26.1.0 0.0.0.255
[P-ospf-1-area-0.0.0.0] network 10.20.2.9 0.0.0.0
[P-ospf-1-area-0.0.0.0] quit
[P-ospf-1] quit

    # 配置PE2。

    <Huawei> system-view
[Huawei] sysname PE2
[PE2] interface loopback 1
[PE2-LoopBack1] ip address 10.30.3.9 32
[PE2-LoopBack1] quit
[PE2] interface gigabitethernet 3/0/0 
[PE2-GigabitEthernet3/0/0] ip address 172.26.1.2 24
[PE2-GigabitEthernet3/0/0] quit
[PE2] ospf 1
[PE2-ospf-1] area 0
[PE2-ospf-1-area-0.0.0.0] network 172.26.1.0 0.0.0.255
[PE2-ospf-1-area-0.0.0.0] network 10.30.3.9 0.0.0.0
[PE2-ospf-1-area-0.0.0.0] quit
[PE2-ospf-1] quit

    # 配置完成后，PE1、P、PE2之间应能建立OSPF邻居关系，执行display ospf peer命令可以看到邻居状态为Full。执行display ip routing-table命令可以看到PE之间学习到对方的Loopback1路由。

    # 以PE1的显示为例：

    [PE1] display ip routing-table
Route Flags:
R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
         Destinations : 11       Routes : 11

  Destination/Mask    Proto  Pre  Cost     Flags NextHop         Interface

       10.10.1.9/32   Direct 0    0           D  10.0.0.1        LoopBack1
       10.20.2.9/32   OSPF   10   1           D  172.16.1.2      GigabitEthernet3/0/0
       10.30.3.9/32   OSPF   10   2           D  172.16.1.2      GigabitEthernet3/0/0
        10.0.0.0/8    Direct 0    0           D  10.0.0.1        InLoopBack0
        10.0.0.1/32   Direct 0    0           D  10.0.0.1        InLoopBack0
  10.255.255.255/32   Direct 0    0           D  10.0.0.1        InLoopBack0 
      172.16.1.0/24   Direct 0    0           D  172.16.1.1      GigabitEthernet3/0/0
      172.16.1.1/32   Direct 0    0           D  10.0.0.1        GigabitEthernet3/0/0
    172.16.1.255/32   Direct 0    0           D  10.0.0.1        GigabitEthernet3/0/0
      172.26.1.0/24   OSPF   10   2           D  172.16.1.2      GigabitEthernet3/0/0
 255.255.255.255/32   Direct 0    0           D  10.0.0.1        InLoopBack0
    [PE1] display ospf peer

          OSPF Process 1 with Router ID 10.10.1.9
                  Neighbors

 Area 0.0.0.0 interface 172.16.1.1(GigabitEthernet3/0/0)'s neighbors
 Router ID: 10.20.2.9         Address: 172.16.1.2
   State: Full  Mode:Nbr is  Master  Priority: 1
   DR: 172.16.1.1  BDR: 172.16.1.2  MTU: 0 
   Dead timer due in 37  sec
   Retrans timer interval: 5
   Neighbor is up for 00:16:21
   Authentication Sequence: [ 0 ]

  2. 在MPLS骨干网上配置MPLS基本能力和MPLS LDP，建立LDP LSP

    # 配置PE1。

    [PE1] mpls lsr-id 10.10.1.9
[PE1] mpls
[PE1-mpls] quit
[PE1] mpls ldp
[PE1-mpls-ldp] quit
[PE1] interface gigabitethernet 3/0/0
[PE1-GigabitEthernet3/0/0] mpls
[PE1-GigabitEthernet3/0/0] mpls ldp
[PE1-GigabitEthernet3/0/0] quit

    # 配置P。

    [P] mpls lsr-id 10.20.2.9
[P] mpls
[P-mpls] quit
[P] mpls ldp
[P-mpls-ldp] quit
[P] interface gigabitethernet 1/0/0
[P-GigabitEthernet1/0/0] mpls
[P-GigabitEthernet1/0/0] mpls ldp
[P-GigabitEthernet1/0/0] quit
[P] interface gigabitethernet 2/0/0
[P-GigabitEthernet2/0/0] mpls
[P-GigabitEthernet2/0/0] mpls ldp
[P-GigabitEthernet2/0/0] quit

    # 配置PE2。

    [PE2] mpls lsr-id 10.30.3.9
[PE2] mpls
[PE2-mpls] quit
[PE2] mpls ldp
[PE2-mpls-ldp] quit
[PE2] interface gigabitethernet 3/0/0
[PE2-GigabitEthernet3/0/0] mpls
[PE2-GigabitEthernet3/0/0] mpls ldp
[PE2-GigabitEthernet3/0/0] quit

    # 上述配置完成后，PE1与P、P与PE2之间应能建立LDP会话，执行display mpls ldp session命令可以看到显示结果中Status项为“Operational”。执行display mpls ldp lsp命令，可以看到LDP LSP的建立情况。

    # 以PE1的显示为例：

    [PE1] display mpls ldp session

 LDP Session(s) in Public Network
 Codes: LAM(Label Advertisement Mode), SsnAge Unit(DDDD:HH:MM)
 A '*' before a session means the session is being deleted. 
 ------------------------------------------------------------------------------
 PeerID           Status      LAM  SsnRole  SsnAge      KASent/Rcv
 ------------------------------------------------------------------------------
 10.20.2.9:0          Operational DU   Active   0000:00:01  6/6
 ------------------------------------------------------------------------------
 TOTAL: 1 session(s) Found.
    [PE1] display mpls ldp lsp

LDP LSP Information
 -------------------------------------------------------------------------------
 DestAddress/Mask   In/OutLabel   UpstreamPeer     NextHop     OutInterface   
 -------------------------------------------------------------------------------
 10.10.1.9/32         3/NULL        10.20.2.9          10.0.0.1   InLoop0    
*10.10.1.9/32         Liberal/1024                   DS/10.20.2.9 
 10.20.2.9/32         NULL/3        -                172.16.1.2   GE3/0/0       
 10.20.2.9/32         1024/3        10.20.2.9          172.16.1.2   GE3/0/0       
 10.30.3.9/32         NULL/1025     -                172.16.1.2   GE3/0/0       
 10.30.3.9/32         1025/1025     10.20.2.9          172.16.1.2   GE3/0/0      
 -------------------------------------------------------------------------------
 TOTAL: 5 Normal LSP(s) Found.
 TOTAL: 1 Liberal LSP(s) Found.
 TOTAL: 0 Frr LSP(s) Found.
 A '*' before an LSP means the LSP is not established                           
 A '*' before a Label means the USCB or DSCB is stale                           
 A '*' before a UpstreamPeer means the session is stale                         
 A '*' before a DS means the session is stale                                   
 A '*' before a NextHop means the LSP is FRR LSP

  3. 配置CE发送给PE的报文带有一层VLAN Tag

    # 这里假设CE1和CE3发送报文的VLAN ID为10，CE2和CE4发送报文的VLAN ID为20。

    # 配置CE1。

    <Huawei> system-view
[Huawei] sysname CE1
[CE1] interface gigabitethernet 1/0/0.1
[CE1-GigabitEthernet1/0/0.1] ip address 10.1.1.1 255.255.255.0
[CE1-GigabitEthernet1/0/0.1] dot1q termination vid 10
[CE1-GigabitEthernet1/0/0.1] quit

    # 配置CE2。

    <Huawei> system-view
[Huawei] sysname CE2
[CE2] interface gigabitethernet 1/0/0.1
[CE2-GigabitEthernet1/0/0.1] ip address 10.2.1.1 255.255.255.0
[CE2-GigabitEthernet1/0/0.1] dot1q termination vid 20
[CE2-GigabitEthernet1/0/0.1] quit

    # 配置CE3。

    <Huawei> system-view
[Huawei] sysname CE3
[CE3] interface gigabitethernet 1/0/0.1
[CE3-GigabitEthernet1/0/0.1] ip address 10.3.1.1 255.255.255.0
[CE3-GigabitEthernet1/0/0.1] dot1q termination vid 10
[CE3-GigabitEthernet1/0/0.1] quit

    # 配置CE4。

    <Huawei> system-view
[Huawei] sysname CE4
[CE4] interface gigabitethernet 1/0/0.1
[CE4-GigabitEthernet1/0/0.1] ip address 10.4.1.1 255.255.255.0
[CE4-GigabitEthernet1/0/0.1] dot1q termination vid 20
[CE4-GigabitEthernet1/0/0.1] quit

  4. 在PE设备上配置VPN实例，将CE接入PE

    # 配置PE1。

    [PE1] ip vpn-instance vpna
[PE1-vpn-instance-vpna] ipv4-family
[PE1-vpn-instance-vpna-af-ipv4] route-distinguisher 100:1
[PE1-vpn-instance-vpna-af-ipv4] vpn-target 111:1 both
[PE1-vpn-instance-vpna-af-ipv4] quit
[PE1-vpn-instance-vpna] quit
[PE1] ip vpn-instance vpnb
[PE1-vpn-instance-vpnb] ipv4-family
[PE1-vpn-instance-vpnb-af-ipv4] route-distinguisher 100:2
[PE1-vpn-instance-vpnb-af-ipv4] vpn-target 222:2 both
[PE1-vpn-instance-vpnb-af-ipv4] quit
[PE1-vpn-instance-vpnb] quit
[PE1] interface gigabitethernet 1/0/0.1
[PE1-GigabitEthernet1/0/0.1] ip binding vpn-instance vpna
[PE1-GigabitEthernet1/0/0.1] ip address 10.1.1.2 24
[PE1-GigabitEthernet1/0/0.1] dot1q termination vid 10
[PE1-GigabitEthernet1/0/0.1] quit
[PE1] interface gigabitethernet 2/0/0.1
[PE1-GigabitEthernet2/0/0.1] ip binding vpn-instance vpnb
[PE1-GigabitEthernet2/0/0.1] ip address 10.2.1.2 24
[PE1-GigabitEthernet2/0/0.1] dot1q termination vid 20
[PE1-GigabitEthernet2/0/0.1] quit

    # 配置PE2。

    [PE2] ip vpn-instance vpna
[PE2-vpn-instance-vpna] ipv4-family
[PE2-vpn-instance-vpna-af-ipv4] route-distinguisher 200:1
[PE2-vpn-instance-vpna-af-ipv4] vpn-target 111:1 both
[PE2-vpn-instance-vpna-af-ipv4] quit
[PE2-vpn-instance-vpna] quit
[PE2] ip vpn-instance vpnb
[PE2-vpn-instance-vpnb] ipv4-family
[PE2-vpn-instance-vpnb-af-ipv4] route-distinguisher 200:2
[PE2-vpn-instance-vpnb-af-ipv4] vpn-target 222:2 both
[PE2-vpn-instance-vpnb-af-ipv4] quit
[PE2-vpn-instance-vpnb] quit
[PE2] interface gigabitethernet 1/0/0.1
[PE2-GigabitEthernet1/0/0.1] ip binding vpn-instance vpna
[PE2-GigabitEthernet1/0/0.1] ip address 10.3.1.2 24
[PE2-GigabitEthernet1/0/0.1] dot1q termination vid 10
[PE2-GigabitEthernet1/0/0.1] quit
[PE2] interface gigabitethernet 2/0/0.1
[PE2-GigabitEthernet2/0/0.1] ip binding vpn-instance vpnb
[PE2-GigabitEthernet2/0/0.1] ip address 10.4.1.2 24
[PE2-GigabitEthernet2/0/0.1] dot1q termination vid 20
[PE2-GigabitEthernet2/0/0.1] quit

    # 配置完成后，在PE设备上执行display ip vpn-instance verbose命令可以看到VPN实例的配置情况。各PE能ping通自己接入的CE。

    当PE上有多个接口绑定了同一个VPN，则使用ping -vpn-instance命令ping对端PE接入的CE时，要指定源IP地址，即要指定ping -vpn-instance vpn-instance-name -a source-ip-address dest-ip-address命令中的参数-a source-ip-address，否则可能ping不通。

    # 以PE1为例：

    [PE1] display ip vpn-instance verbose
 Total VPN-Instances configured : 2
 Total IPv4 VPN-Instances configured : 2
 Total IPv6 VPN-Instances configured : 0

 VPN-Instance Name and ID : vpna, 1
  Interfaces : GigabitEthernet1/0/0.1
 Address family ipv4
  Create date : 2012/07/25 00:58:17
  Up time : 0 days, 22 hours, 24 minutes and 53 seconds
  Route Distinguisher : 100:1
  Export VPN Targets :  111:1
  Import VPN Targets :  111:1
  Label Policy : label per route
  Log Interval : 5

 VPN-Instance Name and ID : vpnb, 2
  Interfaces : GigabitEthernet2/0/0.1
 Address family ipv4
  Create date : 2012/07/25 00:58:17
  Up time : 0 days, 22 hours, 24 minutes and 53 seconds
  Route Distinguisher : 100:2
  Export VPN Targets :  222:2
  Import VPN Targets :  222:2
  Label Policy : label per route
  Log Interval : 5
    [PE1] ping -vpn-instance vpna 10.1.1.1
  PING 10.1.1.1: 56  data bytes, press CTRL_C to break
    Reply from 10.1.1.1: bytes=56 Sequence=1 ttl=255 time=5 ms
    Reply from 10.1.1.1: bytes=56 Sequence=2 ttl=255 time=3 ms
    Reply from 10.1.1.1: bytes=56 Sequence=3 ttl=255 time=3 ms
    Reply from 10.1.1.1: bytes=56 Sequence=4 ttl=255 time=3 ms
    Reply from 10.1.1.1: bytes=56 Sequence=5 ttl=255 time=16 ms

  --- 10.1.1.1 ping statistics ---
    5 packet(s) transmitted
    5 packet(s) received
    0.00% packet loss
    round-trip min/avg/max = 3/6/16 ms

  5. 在PE之间建立MP-IBGP对等体关系

    # 配置PE1。

    [PE1] bgp 100
[PE1-bgp] peer 10.30.3.9 as-number 100
[PE1-bgp] peer 10.30.3.9 connect-interface loopback 1
[PE1-bgp] ipv4-family vpnv4
[PE1-bgp-af-vpnv4] peer 10.30.3.9 enable
[PE1-bgp-af-vpnv4] quit
[PE1-bgp] quit

    # 配置PE2。

    [PE2] bgp 100
[PE2-bgp] peer 10.10.1.9 as-number 100
[PE2-bgp] peer 10.10.1.9 connect-interface loopback 1
[PE2-bgp] ipv4-family vpnv4
[PE2-bgp-af-vpnv4] peer 10.10.1.9 enable
[PE2-bgp-af-vpnv4] quit
[PE2-bgp] quit

    # 配置完成后，在PE设备上执行display bgp peer或display bgp vpnv4 all peer命令，可以看到PE之间的BGP对等体关系已建立，并达到Established状态。

    [PE1] display bgp peer

 BGP local router ID : 10.10.1.9
 Local AS number : 100
 Total number of peers : 1                 Peers in established state : 1

  Peer            V    AS  MsgRcvd  MsgSent  OutQ  Up/Down       State              PrefRcv

  10.30.3.9         4   100       12        6     0 00:02:21        Established       0
    [PE1] display bgp vpnv4 all peer

BGP local router ID : 10.10.1.9
 Local AS number : 100
 Total number of peers : 1                 Peers in established state : 1

  Peer            V    AS  MsgRcvd  MsgSent    OutQ  Up/Down    State        PrefRcv

  10.30.3.9         4   100   12      18         0     00:09:38   Established   0

  6. 在PE与CE之间建立EBGP对等体关系，引入VPN路由

    # 配置CE1。另外3个CE设备（CE2、CE3、CE4）的配置和CE1类似，详见配置文件。

    [CE1] bgp 65410
[CE1-bgp] peer 10.1.1.2 as-number 100
[CE1-bgp] import-route direct
[CE1-bgp] quit

    # 配置PE1。PE2的配置和PE1类似，详见配置文件。

    [PE1] bgp 100
[PE1-bgp] ipv4-family vpn-instance vpna
[PE1-bgp-vpna] peer 10.1.1.1 as-number 65410
[PE1-bgp-vpna] import-route direct
[PE1-bgp-vpna] quit
[PE1-bgp] ipv4-family vpn-instance vpnb
[PE1-bgp-vpnb] peer 10.2.1.1 as-number 65420
[PE1-bgp-vpnb] import-route direct
[PE1-bgp-vpnb] quit
[PE1-bgp] quit

    # 配置完成后，在PE设备上执行display bgp vpnv4 vpn-instance peer命令，可以看到PE与CE之间的BGP对等体关系已建立，并达到Established状态。

    # 以PE1与CE1的对等体关系为例：

    [PE1] display bgp vpnv4 vpn-instance vpna peer
                                                                                
 BGP local router ID : 10.10.1.9                                                  
 Local AS number : 100                                                          
                                                                                
 VPN-Instance vpna, Router ID 10.10.1.9:                                          
 Total number of peers : 1                Peers in established state : 1        
                                                                                
  Peer            V          AS  MsgRcvd  MsgSent  OutQ  Up/Down       State PrefRcv
                                                                                
  10.1.1.1        4       65410        6        3     0 00:00:02 Established       4

  7. 验证配置结果

    # 在PE设备上执行display ip routing-table vpn-instance命令，可以看到去往对端CE的路由。

    # 以PE1的显示为例：

    [PE1] display ip routing-table vpn-instance vpna
Route Flags:
R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: vpna
         Destinations : 5        Routes : 5

Destination/Mask    Proto   Pre  Cost      Flags NextHop         Interface  
                                                                                
       10.1.1.0/24  Direct  0    0           D   10.1.1.2        GigabitEthernet1/0/0
       10.1.1.2/32  Direct  0    0           D   10.0.0.1        GigabitEthernet1/0/0
     10.1.1.255/32  Direct  0    0           D   10.0.0.1        GigabitEthernet1/0/0
       10.3.1.0/24  IBGP    255  0          RD   10.30.3.9       GigabitEthernet3/0/0
255.255.255.255/32  Direct  0    0           D   10.0.0.1        InLoopBack0   
    [PE1] display ip routing-table vpn-instance vpnb
Route Flags:
R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: vpnb
         Destinations : 5        Routes : 5

Destination/Mask    Proto   Pre  Cost      Flags NextHop         Interface  

       10.2.1.0/24  Direct  0    0         D     10.2.1.2        GigabitEthernet2/0/0
       10.2.1.2/32  Direct  0    0         D     10.0.0.1        GigabitEthernet2/0/0
     10.2.1.255/32  Direct  0    0         D     10.0.0.1        GigabitEthernet2/0/0
       10.4.1.0/24  IBGP    255  0         RD    10.30.3.9       GigabitEthernet3/0/0
255.255.255.255/32  Direct  0    0         D     10.0.0.1        InLoopBack0

    # 同一VPN的CE能够相互Ping通，不同VPN的CE不能相互Ping通。

    # 例如：CE1能够Ping通CE3（10.3.1.1），但不能Ping通CE4（10.4.1.1）。

    [CE1] ping 10.3.1.1
  PING 10.3.1.1: 56  data bytes, press CTRL_C to break
    Reply from 10.3.1.1: bytes=56 Sequence=1 ttl=253 time=72 ms
    Reply from 10.3.1.1: bytes=56 Sequence=2 ttl=253 time=34 ms
    Reply from 10.3.1.1: bytes=56 Sequence=3 ttl=253 time=50 ms
    Reply from 10.3.1.1: bytes=56 Sequence=4 ttl=253 time=50 ms
    Reply from 10.3.1.1: bytes=56 Sequence=5 ttl=253 time=34 ms
  --- 10.3.1.1 ping statistics ---
    5 packet(s) transmitted
    5 packet(s) received
    0.00% packet loss
    round-trip min/avg/max = 34/48/72 ms
    [CE1] ping 10.4.1.1
  PING 10.4.1.1: 56  data bytes, press CTRL_C to break
    Request time out
    Request time out
    Request time out
    Request time out
    Request time out
  --- 10.4.1.1 ping statistics ---
    5 packet(s) transmitted
    0 packet(s) received
    100.00% packet loss

配置文件

  • PE1的配置文件

    #
 sysname PE1
#
ip vpn-instance vpna
 ipv4-family
  route-distinguisher 100:1
  vpn-target 111:1 export-extcommunity
  vpn-target 111:1 import-extcommunity
#
ip vpn-instance vpnb
 ipv4-family
  route-distinguisher 100:2
  vpn-target 222:2 export-extcommunity
  vpn-target 222:2 import-extcommunity
#
 mpls lsr-id 10.10.1.9
 mpls
#
mpls ldp
#
interface GigabitEthernet1/0/0
#
interface GigabitEthernet1/0/0.1
 dot1q termination vid 10
 ip binding vpn-instance vpna
 ip address 10.1.1.2 255.255.255.0
#
interface GigabitEthernet2/0/0
#
interface GigabitEthernet2/0/0.1
 dot1q termination vid 20
 ip binding vpn-instance vpnb
 ip address 10.2.1.2 255.255.255.0
#
interface GigabitEthernet3/0/0
 ip address 172.16.1.1 255.255.255.0
 mpls
 mpls ldp
#
interface LoopBack1
 ip address 10.10.1.9 255.255.255.255
# 
bgp 100
 peer 10.30.3.9 as-number 100
 peer 10.30.3.9 connect-interface LoopBack1
 #
 ipv4-family unicast
  undo synchronization
  peer 10.30.3.9 enable
 #
 ipv4-family vpnv4
  policy vpn-target
  peer 10.30.3.9 enable
 #
 ipv4-family vpn-instance vpna
  import-route direct
  peer 10.1.1.1 as-number 65410
#
 ipv4-family vpn-instance vpnb
  import-route direct
  peer 10.2.1.1 as-number 65420
#
ospf 1
 area 0.0.0.0
  network 10.10.1.9 0.0.0.0
  network 172.16.1.0 0.0.0.255
#
return

  • P的配置文件

    #
 sysname P
#
 mpls lsr-id 10.20.2.9
 mpls
#
mpls ldp
#
interface GigabitEthernet1/0/0
 ip address 172.16.1.2 255.255.255.0
 mpls
 mpls ldp
# 
interface GigabitEthernet2/0/0
 ip address 172.26.1.1 255.255.255.0
 mpls
 mpls ldp
# 
interface LoopBack1
 ip address 10.20.2.9 255.255.255.255
#
ospf 1
 area 0.0.0.0
  network 10.20.2.9 0.0.0.0
  network 172.16.1.0 0.0.0.255
  network 172.26.1.0 0.0.0.255
#
return

  • PE2的配置文件

    #
 sysname PE2
#
ip vpn-instance vpna                                                            
 ipv4-family  
  route-distinguisher 200:1
  vpn-target 111:1 export-extcommunity
  vpn-target 111:1 import-extcommunity
#
ip vpn-instance vpnb                                                            
 ipv4-family           
  route-distinguisher 200:2
  vpn-target 222:2 export-extcommunity
  vpn-target 222:2 import-extcommunity
#
 mpls lsr-id 10.30.3.9
 mpls
#
mpls ldp
#
interface GigabitEthernet1/0/0
#
interface GigabitEthernet1/0/0.1
 dot1q termination vid 10
 ip binding vpn-instance vpna
 ip address 10.3.1.2 255.255.255.0
#
interface GigabitEthernet2/0/0
#
interface GigabitEthernet2/0/0.1
 dot1q termination vid 20
 ip binding vpn-instance vpnb
 ip address 10.4.1.2 255.255.255.0
# 
interface GigabitEthernet3/0/0
 ip address 172.26.1.2 255.255.255.0
 mpls
 mpls ldp
# 
interface LoopBack1
 ip address 10.30.3.9 255.255.255.255
#
bgp 100
 peer 10.10.1.9 as-number 100
 peer 10.10.1.9 connect-interface LoopBack1
 #
 ipv4-family unicast
  undo synchronization
  peer 10.10.1.9 enable
 #
 ipv4-family vpnv4
  policy vpn-target
  peer 10.10.1.9 enable 
 #
 ipv4-family vpn-instance vpna
  import-route direct
  peer 10.3.1.1 as-number 65430
 #
 ipv4-family vpn-instance vpnb
  import-route direct
  peer 10.4.1.1 as-number 65440
#
ospf 1
 area 0.0.0.0
  network 10.30.3.9 0.0.0.0
  network 172.26.1.0 0.0.0.255
#
return

  • CE1的配置文件

    #
 sysname CE1
#
interface GigabitEthernet1/0/0
#
interface GigabitEthernet1/0/0.1
 dot1q termination vid 10
 ip address 10.1.1.1 255.255.255.0
#
bgp 65410
 peer 10.1.1.2 as-number 100
 #
 ipv4-family unicast
  undo synchronization
  import-route direct
  peer 10.1.1.2 enable
#
return

  • CE2的配置文件

    #
 sysname CE2
#
interface GigabitEthernet1/0/0
#
interface GigabitEthernet1/0/0.1
 dot1q termination vid 20
 ip address 10.2.1.1 255.255.255.0
#
bgp 65420
 peer 10.2.1.2 as-number 100
 #
 ipv4-family unicast
  undo synchronization
  import-route direct
  peer 10.2.1.2 enable
#
return

  • CE3的配置文件

    #
 sysname CE3
#
interface GigabitEthernet1/0/0
#
interface GigabitEthernet1/0/0.1
 dot1q termination vid 10
 ip address 10.3.1.1 255.255.255.0
#
bgp 65430
 peer 10.3.1.2 as-number 100
 #
 ipv4-family unicast
  undo synchronization
  import-route direct
  peer 10.3.1.2 enable
#
return

  • CE4的配置文件

    #
 sysname CE4
#
interface GigabitEthernet1/0/0
#
interface GigabitEthernet1/0/0.1
 dot1q termination vid 20
 ip address 10.4.1.1 255.255.255.0
#
bgp 65440
 peer 10.4.1.2 as-number 100
 #
 ipv4-family unicast
  undo synchronization
  import-route direct
  peer 10.4.1.2 enable
#
return
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更新时间：2022-05-11

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