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Configuration Guide - VPN 01

NE05E and NE08E V300R003C10SPC500

This is NE05E and NE08E V300R003C10SPC500 Configuration Guide - VPN
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Example for Configuring a Single-Root mLDP P2MP Tunnel

Example for Configuring a Single-Root mLDP P2MP Tunnel

This section provides an example for configuring mLDP P2MP tunnels.

Networking Requirements

On the network shown in Figure 9-38, PE1, PE2, PE3, and PE4 use BGP AD to establish a full-mesh multicast VPLS network. PE1 functions as the root node, PE2 as a bud node, and PE3 and PE4 as leaf nodes. (The configurations on bud and leaf nodes are the same.) To carry multicast services, configure mLDP P2MP tunnels. The configuration simplifies network deployment.

Figure 9-38 Configuring mLDP P2MP tunnels
NOTE:
  • In this example, Interface 1, Interface 2, Interface 3, and Subinterface 4.1 stand for GE 0/1/0, GE 0/1/1, GE 0/1/2, and GE 0/1/3.1, respectively.


Configuration Roadmap

The configuration roadmap is as follows:

  1. Configure an IP address and a routing protocol for each interface to ensure IP connectivity at the network layer. This example uses OSPF as the routing protocol.

  2. Configure an MPLS LSR ID and enable MPLS, MPLS LDP, and mLDP P2MP on each PE globally.

  3. Configure a local LDP session on each PE.

  4. Configure BGP AD VPLS on each PE.

  5. Configure PE1 as the root node.

  6. Configure PE2, PE3, and PE4 as leaf nodes.

Data Preparation

To complete the configuration, you need the following data:

  • IP addresses of all interfaces

  • OSPF process ID (100) and area ID (0.0.0.0) for each PE

  • BGP AS number for each PE

  • VSI name, VPLS ID, and VPN targets for each PE

  • Number of the interface bound to each VSI

  • IP address of the mLDP P2MP tunnel's root node (1.1.1.1)

Procedure

  1. Configure an IP address and a routing protocol for each interface to ensure IP connectivity at the network layer.

    For configuration details, see Configuration Files in this section.

  2. Configure an MPLS LSR ID and enable MPLS, MPLS LDP, and mLDP P2MP on each PE globally.

    # Configure PE1.

    <PE1> system-view
    [~PE1] mpls lsr-id 1.1.1.1
    [*PE1] mpls
    [*PE1-mpls] mpls ldp
    [*PE1-mpls-ldp] mldp p2mp 
    [*PE1-mpls-ldp] quit 
    [*PE1-mpls] quit
    [*PE1] commit

    Repeat this step for PE2, PE3, and PE4. For configuration details, see Configuration Files in this section.

  3. Configure a local LDP session on each PE.

    # Configure PE1.

    [~PE1] interface gigabitethernet0/1/0
    [~PE1-GigabitEthernet0/1/0] mpls
    [*PE1-GigabitEthernet0/1/0] mpls ldp
    [*PE1-GigabitEthernet0/1/0] quit
    [*PE1] interface gigabitethernet0/1/2
    [*PE1-GigabitEthernet0/1/2] mpls
    [*PE1-GigabitEthernet0/1/2] mpls ldp
    [*PE1-GigabitEthernet0/1/2] commit

    Repeat this step for PE2, PE3, and PE4. For configuration details, see Configuration Files in this section.

  4. Configure BGP AD VPLS on each PE.

    # Configure PE1.

    [~PE1] bgp 100
    [*PE1-bgp] peer 2.2.2.2 as-number 100
    [*PE1-bgp] peer 2.2.2.2 connect-interface loopback1
    [*PE1-bgp] peer 3.3.3.3 as-number 100
    [*PE1-bgp] peer 3.3.3.3 connect-interface loopback1
    [*PE1-bgp] peer 4.4.4.4 as-number 100
    [*PE1-bgp] peer 4.4.4.4 connect-interface loopback1
    [*PE1-bgp] l2vpn-ad-family
    [*PE1-bgp-af-l2vpn-ad] peer 2.2.2.2 enable
    [*PE1-bgp-af-l2vpn-ad] peer 3.3.3.3 enable
    [*PE1-bgp-af-l2vpn-ad] peer 4.4.4.4 enable
    [*PE1-bgp-af-l2vpn-ad] quit
    [*PE1-bgp] quit
    [*PE1] mpls l2vpn
    [*PE1-l2vpn] quit
    [*PE1] vsi vsi1
    [*PE1-vsi-vsi1] bgp-ad
    [*PE1-vsi-vsi1-bgpad] vpls-id 2:2  
    [*PE1-vsi-vsi1-bgpad] vpn-target 2:2 import-extcommunity 
    [*PE1-vsi-vsi1-bgpad] vpn-target 2:2 export-extcommunity  
    [*PE1-vsi-vsi1-bgpad] quit
    [*PE1-vsi-vsi1] quit
    [*PE1] interface gigabitethernet0/1/1
    [*PE1-GigabitEthernet0/1/1] l2 binding vsi vsi1
    [*PE1-GigabitEthernet0/1/1] quit
    [*PE1] commit

    # Configure PE2.

    [~PE2] bgp 100
    [*PE2-bgp] peer 1.1.1.1 as-number 100
    [*PE2-bgp] peer 1.1.1.1 connect-interface loopback1
    [*PE2-bgp] l2vpn-ad-family
    [*PE2-bgp-af-l2vpn-ad] peer 1.1.1.1 enable
    [*PE2-bgp-af-l2vpn-ad] quit
    [*PE2-bgp] quit
    [*PE2] mpls l2vpn
    [*PE2-l2vpn] quit
    [*PE2] vsi vsi1
    [*PE2-vsi-vsi1] bgp-ad
    [*PE2-vsi-vsi1-bgpad] vpls-id 2:2  
    [*PE2-vsi-vsi1-bgpad] vpn-target 2:2 import-extcommunity 
    [*PE2-vsi-vsi1-bgpad] vpn-target 2:2 export-extcommunity  
    [*PE2-vsi-vsi1-bgpad] quit
    [*PE2-vsi-vsi1] quit
    [*PE2] interface gigabitethernet0/1/3.1
    [*PE2-GigabitEthernet0/1/3.1] vlan-type dot1q 10
    [*PE2-GigabitEthernet0/1/3.1] l2 binding vsi vsi1
    [*PE2-GigabitEthernet0/1/3.1] quit
    [*PE2] commit

    # Configure PE3.

    [~PE3] bgp 100
    [*PE3-bgp] peer 1.1.1.1 as-number 100
    [*PE3-bgp] peer 1.1.1.1 connect-interface loopback1
    [*PE3-bgp] l2vpn-ad-family
    [*PE3-bgp-af-l2vpn-ad] peer 1.1.1.1 enable
    [*PE3-bgp-af-l2vpn-ad] quit
    [*PE3-bgp] quit
    [*PE3] mpls l2vpn
    [*PE3] vsi vsi1
    [*PE3-vsi-vsi1] bgp-ad
    [*PE3-vsi-vsi1-bgpad] vpls-id 2:2  
    [*PE3-vsi-vsi1-bgpad] vpn-target 2:2 import-extcommunity 
    [*PE3-vsi-vsi1-bgpad] vpn-target 2:2 export-extcommunity  
    [*PE3-vsi-vsi1-bgpad] quit
    [*PE3-vsi-vsi1] quit
    [*PE3] interface gigabitethernet0/1/3.1
    [*PE3-GigabitEthernet0/1/3.1] vlan-type dot1q 10
    [*PE3-GigabitEthernet0/1/3.1] l2 binding vsi vsi1
    [*PE3-GigabitEthernet0/1/3.1] quit
    [*PE3] commit

    # Configure PE4.

    [~PE4] bgp 100
    [*PE4-bgp] peer 1.1.1.1 as-number 100
    [*PE4-bgp] peer 1.1.1.1 connect-interface loopback1
    [*PE4-bgp] l2vpn-ad-family
    [*PE4-bgp-af-l2vpn-ad] peer 1.1.1.1 enable
    [*PE4-bgp-af-l2vpn-ad] quit
    [*PE4-bgp] quit
    [*PE4] mpls l2vpn
    [*PE4] vsi vsi1
    [*PE4-vsi-vsi1] bgp-ad
    [*PE4-vsi-vsi1-bgpad] vpls-id 2:2  
    [*PE4-vsi-vsi1-bgpad] vpn-target 2:2 import-extcommunity 
    [*PE4-vsi-vsi1-bgpad] vpn-target 2:2 export-extcommunity  
    [*PE4-vsi-vsi1-bgpad] quit
    [*PE4-vsi-vsi1] quit
    [*PE4] interface gigabitethernet0/1/3.1
    [*PE4-GigabitEthernet0/1/3.1] vlan-type dot1q 10
    [*PE4-GigabitEthernet0/1/3.1] l2 binding vsi vsi1
    [*PE4-GigabitEthernet0/1/3.1] quit
    [*PE4] commit

  5. Configure PE1 as the root node.

    # Configure PE1.

    [~PE1] vsi vsi1
    [*PE1-vsi-vsi1] inclusive-provider-tunnel
    [*PE1-vsi-vsi1-inclusive] root
    [*PE1-vsi-vsi1-inclusive-root] mldp p2mp
    [*PE1-vsi-vsi1-inclusive-root-mldpp2mp] root-ip 1.1.1.1
    [*PE1-vsi-vsi1-inclusive-root-mldpp2mp] quit
    [*PE1-vsi-vsi1-inclusive-root] quit
    [*PE1-vsi-vsi1-inclusive] quit
    [*PE1-vsi-vsi1] quit
    [*PE1] commit

  6. Configure PE2, PE3, and PE4 as leaf nodes.

    # Configure PE2.

    [~PE2] vsi vsi1
    [*PE2-vsi-vsi1] inclusive-provider-tunnel
    [*PE2-vsi-vsi1-inclusive] leaf
    [*PE2-vsi-vsi1-inclusive-leaf] quit
    [*PE2-vsi-vsi1-inclusive] quit
    [*PE2-vsi-vsi1] quit
    [*PE2] commit

    Repeat this step for PE3 and PE4. For configuration details, see Configuration Files in this section.

  7. Verify the configuration.

    After the configurations are complete, run the display vsi name inclusive-provider-tunnel command on PE1 to check mLDP P2MP tunnel information.

    [~PE1] display vsi name vsi1 inclusive-provider-tunnel
    VSI name: vsi1
     Ingress provider tunnel
        PMSI type      : P2MP mLDP
        Root ip        : 1.1.1.1
        Opaque value   : 01000400002001
        State         : up
        Leaf list count: 3
        Leaf list      : 2.2.2.2
                         3.3.3.3
                         4.4.4.4
      Egress provider tunnel
      Egress PMSI count: 0
    

Configuration Files

  • PE1 configuration file

    #
    sysname PE1
    #
    mpls lsr-id 1.1.1.1
    mpls
    #
    mpls l2vpn
    #
    vsi vsi1
     bgp-ad
      vpls-id 2:2
      vpn-target 2:2 import-extcommunity
      vpn-target 2:2 export-extcommunity
     inclusive-provider-tunnel
      root
       mldp p2mp
        root-ip 1.1.1.1
    #
    mpls ldp
     mldp p2mp
    #                                                                            
    interface GigabitEthernet0/1/0
     undo shutdown                            
     ip address 10.1.2.1 255.255.255.0        
     mpls                                     
     mpls ldp
    #
    interface GigabitEthernet0/1/1
     undo shutdown                            
     l2 binding vsi vsi1
    #
    interface GigabitEthernet0/1/2
     undo shutdown                            
     ip address 10.1.3.1 255.255.255.0        
     mpls                                     
     mpls ldp 
    #
    interface LoopBack1
     ip address 1.1.1.1 255.255.255.255
    #
    bgp 100 
     peer 2.2.2.2 as-number 100
     peer 2.2.2.2 connect-interface LoopBack1 
     peer 3.3.3.3 as-number 100
     peer 3.3.3.3 connect-interface LoopBack1 
     peer 4.4.4.4 as-number 100
     peer 4.4.4.4 connect-interface LoopBack1 
     #
     l2vpn-ad-family
      peer 2.2.2.2 enable
      peer 3.3.3.3 enable
      peer 4.4.4.4 enable
     #
    ospf 100                                  
     area 0.0.0.0                             
      network 1.1.1.1 0.0.0.0                 
      network 10.1.2.0 0.0.0.255              
      network 10.1.3.0 0.0.0.255
    #
    return
  • PE2 configuration file

    #
    sysname PE2
    #
    mpls lsr-id 2.2.2.2
    mpls
    #
    mpls l2vpn
    #
    vsi vsi1
     bgp-ad
      vpls-id 2:2
      vpn-target 2:2 import-extcommunity
      vpn-target 2:2 export-extcommunity
     inclusive-provider-tunnel
      leaf
    #
    mpls ldp
     mldp p2mp
    #
    interface GigabitEthernet0/1/0
     undo shutdown                            
     ip address 10.1.2.2 255.255.255.0        
     mpls                                     
     mpls ldp
    #
    interface GigabitEthernet0/1/1
     undo shutdown                            
     ip address 10.1.5.1 255.255.255.0        
     mpls                                     
     mpls ldp
    #
    interface GigabitEthernet0/1/3.1
     vlan-type dot1q 10  
     l2 binding vsi vsi1
    #
    interface LoopBack1
     ip address 2.2.2.2 255.255.255.255
    #
    bgp 100 
     peer 1.1.1.1 as-number 100
     peer 1.1.1.1 connect-interface LoopBack1 
     #
     l2vpn-ad-family
      peer 1.1.1.1 enable
     #
    ospf 100                                  
     area 0.0.0.0                             
      network 2.2.2.2 0.0.0.0                 
      network 10.1.2.0 0.0.0.255
      network 10.1.5.0 0.0.0.255
    #                                         
    return
  • PE3 configuration file

    #
    sysname PE3
    #
    mpls lsr-id 3.3.3.3
    mpls
    #
    mpls l2vpn
    #
    vsi vsi1
     bgp-ad
      vpls-id 2:2
      vpn-target 2:2 import-extcommunity
      vpn-target 2:2 export-extcommunity
     inclusive-provider-tunnel
      leaf
    #
    mpls ldp
     mldp p2mp
    #
    interface GigabitEthernet0/1/2
     undo shutdown                            
     ip address 10.1.3.2 255.255.255.0        
     mpls                                     
     mpls ldp 
    #
    interface GigabitEthernet0/1/3.1
     vlan-type dot1q 10  
     l2 binding vsi vsi1
    #
    interface LoopBack1
     ip address 3.3.3.3 255.255.255.255
    #
    bgp 100 
     peer 1.1.1.1 as-number 100
     peer 1.1.1.1 connect-interface LoopBack1 
     #
     l2vpn-ad-family
      peer 1.1.1.1 enable
    #
    ospf 100                                  
     area 0.0.0.0                             
      network 3.3.3.3 0.0.0.0                 
      network 10.1.3.0 0.0.0.255
    #                                         
    return
  • PE4 configuration file

    #
    sysname PE4
    #
    mpls lsr-id 4.4.4.4
    mpls
    #
    mpls l2vpn
    #
    vsi vsi1
     bgp-ad
      vpls-id 2:2
      vpn-target 2:2 import-extcommunity
      vpn-target 2:2 export-extcommunity
     inclusive-provider-tunnel
      leaf
    #
    mpls ldp
     mldp p2mp
    #
    interface GigabitEthernet0/1/1
     undo shutdown                            
     ip address 10.1.5.2 255.255.255.0        
     mpls                                     
     mpls ldp
    #
    interface GigabitEthernet0/1/3.1
     vlan-type dot1q 10  
     l2 binding vsi vsi1
    #
    interface LoopBack1
     ip address 4.4.4.4 255.255.255.255
    #
    bgp 100 
     peer 1.1.1.1 as-number 100
     peer 1.1.1.1 connect-interface LoopBack1 
     #
     l2vpn-ad-family
      peer 1.1.1.1 enable
    #
    ospf 100                                  
     area 0.0.0.0                             
      network 4.4.4.4 0.0.0.0                 
      network 10.1.5.0 0.0.0.255    
    #                                         
    return
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Updated: 2019-01-14

Document ID: EDOC1100058925

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