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NetEngine 8000 X V800R012C00SPC300 配置指南 - VPN 04
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配置EVPN ORF示例

配置EVPN ORF示例

通过在EVPN网络中部署EVPN ORF功能，可以降低减少设备对EVPN路由的接收压力，节约网络资源。

组网需求

如图12-46所示，为了实现通过骨干网使不同Site间相互通信，可以在网络中配置EVPN功能，使PE间可以通过交互EVPN路由来实现业务流量的传输。在该组网中PE1上部署了EVPN实例evrf1和evrf2，PE2上部署了EVPN实例evrf1，PE3上部署了EVPN实例evrf2。为了使各个PE设备仅收到自己需要的路由，避免各个PE在处理无用路由上浪费系统资源，则可以在网络中部署EVPN ORF功能。

图12-46 配置EVPN ORF组网图

本例中interface1、interface2、interface3分别代表GigabitEthernet1/0/0、GigabitEthernet2/0/0、GigabitEthernet3/0/0。



配置注意事项

在配置过程中，需注意以下事项：

  • 同一EVPN实例的Export VPN-Target列表与其它站点的Import VPN-Target列表有共同的VPN-Target，Import VPN-Target列表与其它站点的Export VPN-Target列表有共同的VPN-Target；

  • PE上配置的源地址建议为本地Loopback地址。

配置思路

采用如下的思路进行配置：

  1. 在各个设备上配置各接口的IP地址及Loopback接口的地址。

  2. 在各个设备上配置路由协议，保证网络三层互通，本示例采用了OSPF路由协议。

  3. 在各个设备上配置MPLS LDP功能。

  4. 配置PE上的EVPN实例并将EVPN实例绑定到BD上。

  5. 配置PE上的源地址。

  6. 配置PE上与CE相连的子接口。

  7. 配置各个PE与CE接口上的ESI。

  8. 配置CE与PE之间相互通信。

  9. 配置RR与PE间的BGP EVPN对等体关系，并在RR上指定各个PE为其反射器的客户机。

  10. 在各个设备上配置EVPN ORF功能。

数据准备

为完成此配置例，需准备如下的数据：

  • PE1上的EVPN实例名称为evrf1和evrf2，PE2上的EVPN实例名称为evrf1，PE3上的EVPN实例名称为evrf2。

  • evrf1的RD值为100:1，RT值为1:1；evrf2的RD值为100:2，RT值为2:2。

操作步骤

  1. 在各个设备上配置各接口的IP地址及Loopback接口的地址

    具体配置过程请参考配置文件。

  2. 在各个设备上配置路由协议，保证网络三层互通，本示例采用了OSPF路由协议

    具体配置过程请参考配置文件。

  3. 在各个设备上配置MPLS LDP功能

    具体配置过程请参考配置文件。

  4. 配置PE上的EVPN实例并将EVPN实例绑定到BD上

    # 配置PE1。

    [~PE1] evpn vpn-instance evpn1 bd-mode
    [*PE1-evpn-instance-evrf1] route-distinguisher 100:1
    [*PE1-evpn-instance-evrf1] vpn-target 1:1
    [*PE1-evpn-instance-evrf1] quit
    [*PE1] evpn vpn-instance evrf2 bd-mode
    [*PE1-evpn-instance-evrf2] route-distinguisher 100:2
    [*PE1-evpn-instance-evrf2] vpn-target 2:2
    [*PE1-evpn-instance-evrf2] quit
    [*PE1] bridge-domain 10
    [*PE1-bd10] evpn binding vpn-instance evrf1
    [*PE1-bd10] quit
    [*PE1] bridge-domain 20
    [*PE1-bd20] evpn binding vpn-instance evrf2
    [*PE1-bd20] quit
    [*PE1] commit

    # 配置PE2。

    [~PE2] evpn vpn-instance evrf1 bd-mode
    [*PE2-evpn-instance-evrf1] route-distinguisher 100:1
    [*PE2-evpn-instance-evrf1] vpn-target 1:1
    [*PE2-evpn-instance-evrf1] quit
    [*PE2] bridge-domain 10
    [*PE2-bd10] evpn binding vpn-instance evrf1
    [*PE2-bd10] quit
    [*PE2] commit

    # 配置PE3。

    [~PE3] evpn vpn-instance evrf2 bd-mode
    [*PE3-evpn-instance-evrf2] route-distinguisher 100:2
    [*PE3-evpn-instance-evrf2] vpn-target 2:2
    [*PE3-evpn-instance-evrf2] quit
    [*PE3] bridge-domain 20
    [*PE3-bd20] evpn binding vpn-instance evrf2
    [*PE3-bd20] quit
    [*PE3] commit

  5. 配置PE上的源地址

    # 配置PE1。

    [~PE1] evpn source-address 1.1.1.1
    [*PE1] commit

    # 配置PE2。

    [~PE2] evpn source-address 2.2.2.2
    [*PE2] commit

    # 配置PE3。

    [~PE3] evpn source-address 4.4.4.4
    [*PE3] commit

  6. 配置PE上与CE相连的子接口

    # 配置PE1。

    [~PE1] interface gigabitethernet1/0/0.1 mode l2
    [*PE1-GigabitEthernet1/0/0.1] encapsulation dot1q vid 10
    [*PE1-GigabitEthernet1/0/0.1] rewrite pop single
    [*PE1-GigabitEthernet1/0/0.1] bridge-domain 10
    [*PE1-GigabitEthernet1/0/0.1] quit
    [*PE1] interface gigabitethernet1/0/0.2 mode l2
    [*PE1-GigabitEthernet1/0/0.2] encapsulation dot1q vid 20
    [*PE1-GigabitEthernet1/0/0.2] rewrite pop single
    [*PE1-GigabitEthernet1/0/0.2] bridge-domain 20
    [*PE1-GigabitEthernet1/0/0.2] quit
    [*PE1] commit

    # 配置PE2。

    [~PE2] interface gigabitethernet1/0/0.1 mode l2
    [*PE2-GigabitEthernet1/0/0.1] encapsulation dot1q vid 10
    [*PE2-GigabitEthernet1/0/0.1] rewrite pop single
    [*PE2-GigabitEthernet1/0/0.1] bridge-domain 10
    [*PE2-GigabitEthernet1/0/0.1] quit
    [*PE2] commit

    # 配置PE3。

    [~PE3] interface gigabitethernet2/0/0.1 mode l2
    [*PE3-GigabitEthernet2/0/0.1] encapsulation dot1q vid 20
    [*PE3-GigabitEthernet2/0/0.1] rewrite pop single
    [*PE3-GigabitEthernet2/0/0.1] bridge-domain 20
    [*PE3-GigabitEthernet2/0/0.1] quit
    [*PE3] commit

  7. 配置PE上连接CE接口上的ESI

    # 配置PE1。

    [~PE1] interface gigabitethernet1/0/0
    [*PE1-GigabitEthernet1/0/0] esi 0000.1111.1111.1111.1111
    [*PE1-GigabitEthernet1/0/0] quit
    [*PE1] commit

    # 配置PE2。

    [~PE2] interface gigabitethernet1/0/0
    [*PE2-GigabitEthernet1/0/0] esi 0000.1111.2222.2222.2222
    [*PE2-GigabitEthernet1/0/0] quit
    [*PE2] commit

    # 配置PE3。

    [~PE3] interface gigabitethernet2/0/0
    [*PE3-GigabitEthernet2/0/0] esi 0000.1111.3333.3333.3333
    [*PE3-GigabitEthernet2/0/0] quit
    [*PE3] commit

  8. 配置CE与PE之间相互通信。

    # 配置CE1。

    [~CE1] interface gigabitethernet1/0/0.1 mode l2
    [*CE1-GigabitEthernet1/0/0.1] encapsulation dot1q vid 10
    [*CE1-GigabitEthernet1/0/0.1] rewrite pop single
    [*CE1-GigabitEthernet1/0/0.1] bridge-domain 10
    [*CE1-GigabitEthernet1/0/0.1] quit
    [*CE1] interface gigabitethernet1/0/0.2 mode l2
    [*CE1-GigabitEthernet1/0/0.2] encapsulation dot1q vid 20
    [*CE1-GigabitEthernet1/0/0.2] rewrite pop single
    [*CE1-GigabitEthernet1/0/0.2] bridge-domain 20
    [*CE1-GigabitEthernet1/0/0.2] quit
    [*CE1] commit

    # 配置CE2。

    [~CE2] interface gigabitethernet1/0/0.1 mode l2
    [*CE2-GigabitEthernet1/0/0.1] encapsulation dot1q vid 10
    [*CE2-GigabitEthernet1/0/0.1] rewrite pop single
    [*CE2-GigabitEthernet1/0/0.1] bridge-domain 10
    [*CE2-GigabitEthernet1/0/0.1] quit
    [*CE2] commit

    # 配置CE3。

    [~CE3] interface gigabitethernet1/0/0.1 mode l2
    [*CE3-GigabitEthernet1/0/0.1] encapsulation dot1q vid 20
    [*CE3-GigabitEthernet1/0/0.1] rewrite pop single
    [*CE3-GigabitEthernet1/0/0.1] bridge-domain 20
    [*CE3-GigabitEthernet1/0/0.1] quit
    [*CE3] commit

  9. 配置RR与PE间的BGP EVPN对等体关系，并在RR上指定各个PE为其反射器的客户机

    # 配置PE1。

    [~PE1] bgp 100
    [*PE1-bgp] peer 3.3.3.3 as-number 100
    [*PE1-bgp] peer 3.3.3.3 connect-interface loopback 1
    [*PE1-bgp] l2vpn-family evpn
    [*PE1-bgp-af-evpn] peer 3.3.3.3 enable
    [*PE1-bgp-af-evpn] quit
    [*PE1-bgp] quit
    [*PE1] commit

    # 配置PE2。

    [~PE2] bgp 100
    [*PE2-bgp] peer 3.3.3.3 as-number 100
    [*PE2-bgp] peer 3.3.3.3 connect-interface loopback 1
    [*PE2-bgp] l2vpn-family evpn
    [*PE2-bgp-af-evpn] peer 3.3.3.3 enable
    [*PE2-bgp-af-evpn] quit
    [*PE2-bgp] quit
    [*PE2] commit

    # 配置PE3。

    [~PE3] bgp 100
    [*PE3-bgp] peer 3.3.3.3 as-number 100
    [*PE3-bgp] peer 3.3.3.3 connect-interface loopback 1
    [*PE3-bgp] l2vpn-family evpn
    [*PE3-bgp-af-evpn] peer 3.3.3.3 enable
    [*PE3-bgp-af-evpn] quit
    [*PE3-bgp] quit
    [*PE3] commit

    # 配置RR。

    [~RR] bgp 100
    [*RR-bgp] peer 1.1.1.1 as-number 100
    [*RR-bgp] peer 1.1.1.1 connect-interface loopback 1
    [*RR-bgp] peer 2.2.2.2 as-number 100
    [*RR-bgp] peer 2.2.2.2 connect-interface loopback 1
    [*RR-bgp] peer 4.4.4.4 as-number 100
    [*RR-bgp] peer 4.4.4.4 connect-interface loopback 1
    [*RR-bgp] l2vpn-family evpn
    [*RR-bgp-af-evpn] peer 1.1.1.1 enable
    [*RR-bgp-af-evpn] peer 1.1.1.1 reflect-client
    [*RR-bgp-af-evpn] peer 2.2.2.2 enable
    [*RR-bgp-af-evpn] peer 2.2.2.2 reflect-client
    [*RR-bgp-af-evpn] peer 4.4.4.4 enable
    [*RR-bgp-af-evpn] peer 4.4.4.4 reflect-client
    [*RR-bgp-af-evpn] quit
    [*RR-bgp] quit
    [*RR] commit

    # 配置完成后，在RR上执行display bgp evpn peer命令，可以看到RR与PE间BGP对等体关系已建立，并达到Established状态。

    [~RR] display bgp evpn peer
      
 BGP local router ID : 3.3.3.3
 Local AS number : 100
 Total number of peers : 3                 Peers in established state : 3

  Peer            V          AS  MsgRcvd  MsgSent  OutQ  Up/Down       State  PrefRcv
  1.1.1.1         4         100       10       33     0 00:00:19 Established        6
  2.2.2.2         4         100        8       33     0 00:00:20 Established        4
  4.4.4.4         4         100        8       33     0 00:00:21 Established        4

    # 在RR上执行display bgp evpn all routing-table peer 2.2.2.2 advertised-routes和display bgp evpn all routing-table peer 4.4.4.4 advertised-routes命令检查RR向PE2和PE3发布的路由。

    [~RR] display bgp evpn all routing-table peer 2.2.2.2 advertised-routes
     Local AS number : 100

 BGP Local router ID is 3.3.3.3
 Status codes: * - valid, > - best, d - damped, x - best external, a - add path,
               h - history,  i - internal, s - suppressed, S - Stale
               Origin : i - IGP, e - EGP, ? - incomplete

 
 EVPN address family:
 Number of A-D Routes: 7
 Route Distinguisher: 100:1
       Network(ESI/EthTagId)                                  NextHop
 *>i   0000.1111.1111.1111.1111:0                         1.1.1.1
 *>i   0000.1111.2222.2222.2222:0                             2.2.2.2
 Route Distinguisher: 100:2
       Network(ESI/EthTagId)                                  NextHop
 *>i   0000.1111.1111.1111.1111:0                         1.1.1.1
 *>i   0000.1111.3333.3333.3333:0                         4.4.4.4
 Route Distinguisher: 1.1.1.1:0
       Network(ESI/EthTagId)                                  NextHop
 *>i   0000.1111.1111.1111.1111:4294967295               1.1.1.1
 Route Distinguisher: 2.2.2.2:0
       Network(ESI/EthTagId)                                  NextHop
 *>i   0000.1111.2222.2222.2222:4294967295                    2.2.2.2
 Route Distinguisher: 4.4.4.4:0
       Network(ESI/EthTagId)                                  NextHop
 *>i   0000.1111.3333.3333.3333:4294967295               4.4.4.4
 
 EVPN address family:
 Number of Inclusive Multicast Routes: 4
 Route Distinguisher: 100:1
       Network(EthTagId/IpAddrLen/OriginalIp)                 NextHop
 *>i   0:32:1.1.1.1                                         1.1.1.1
 *>i   0:32:2.2.2.2                                           2.2.2.2
 Route Distinguisher: 100:2
       Network(EthTagId/IpAddrLen/OriginalIp)                 NextHop
 *>i   0:32:1.1.1.1                                         1.1.1.1
 *>i   0:32:4.4.4.4                                         4.4.4.4
 
 EVPN address family:
 Number of ES Routes: 3
 Route Distinguisher: 1.1.1.1:0
       Network(ESI)                                           NextHop
 *>i   0000.1111.1111.1111.1111                           1.1.1.1
 Route Distinguisher: 2.2.2.2:0
       Network(ESI)                                           NextHop
 *>i   0000.1111.2222.2222.2222                               2.2.2.2
 Route Distinguisher: 4.4.4.4:0
       Network(ESI)                                           NextHop
 *>i   0000.1111.3333.3333.3333                           4.4.4.4
    [~RR] display bgp evpn all routing-table peer 4.4.4.4 advertised-routes
    
 Local AS number : 100

 BGP Local router ID is 3.3.3.3
 Status codes: * - valid, > - best, d - damped, x - best external, a - add path,
               h - history,  i - internal, s - suppressed, S - Stale
               Origin : i - IGP, e - EGP, ? - incomplete

 
 EVPN address family:
 Number of A-D Routes: 7
 Route Distinguisher: 100:1
       Network(ESI/EthTagId)                                  NextHop
 *>i   0000.1111.1111.1111.1111:0                         1.1.1.1
 *>i   0000.1111.2222.2222.2222:0                         2.2.2.2
 Route Distinguisher: 100:2
       Network(ESI/EthTagId)                                  NextHop
 *>i   0000.1111.1111.1111.1111:0                         1.1.1.1
 *>i   0000.1111.3333.3333.3333:0                             4.4.4.4
 Route Distinguisher: 1.1.1.1:0
       Network(ESI/EthTagId)                                  NextHop
 *>i   0000.1111.1111.1111.1111:4294967295               1.1.1.1
 Route Distinguisher: 2.2.2.2:0
       Network(ESI/EthTagId)                                  NextHop
 *>i   0000.1111.2222.2222.2222:4294967295               2.2.2.2
 Route Distinguisher: 4.4.4.4:0
       Network(ESI/EthTagId)                                  NextHop
 *>i   0000.1111.3333.3333.3333:4294967295                    4.4.4.4
 
 EVPN address family:
 Number of Inclusive Multicast Routes: 4
 Route Distinguisher: 100:1
       Network(EthTagId/IpAddrLen/OriginalIp)                 NextHop
 *>i   0:32:1.1.1.1                                         1.1.1.1
 *>i   0:32:2.2.2.2                                         2.2.2.2
 Route Distinguisher: 100:2
       Network(EthTagId/IpAddrLen/OriginalIp)                 NextHop
 *>i   0:32:1.1.1.1                                         1.1.1.1
 *>i   0:32:4.4.4.4                                           4.4.4.4
 
 EVPN address family:
 Number of ES Routes: 3
 Route Distinguisher: 1.1.1.1:0
       Network(ESI)                                           NextHop
 *>i   0000.1111.1111.1111.1111                           1.1.1.1
 Route Distinguisher: 2.2.2.2:0
       Network(ESI)                                           NextHop
 *>i   0000.1111.2222.2222.2222                           2.2.2.2
 Route Distinguisher: 4.4.4.4:0
       Network(ESI)                                           NextHop
 *>i   0000.1111.3333.3333.3333                               4.4.4.4

    由显示信息可见，RR会将所有路由反射给PE2和PE3，而实际上PE2和PE3并不能接收所有的路由，因此用户需要在各个设备上部署EVPN ORF功能。

  10. 在各个设备上配置EVPN ORF功能

    # 配置PE1。

    [~PE1] bgp 100
    [*PE1-bgp] ipv4-family vpn-target
    [*PE1-bgp-af-vpn-target] peer 3.3.3.3 enable
    [*PE1-bgp-af-vpn-target] quit
    [*PE1-bgp] l2vpn-family evpn
    [*PE1-bgp-af-evpn] vpn-orf enable
    [*PE1-bgp-af-evpn] quit
    [*PE1-bgp] quit
    [*PE1] commit

    # 配置PE2。

    [~PE2] bgp 100
    [*PE2-bgp] ipv4-family vpn-target
    [*PE2-bgp-af-vpn-target] peer 3.3.3.3 enable
    [*PE2-bgp-af-vpn-target] quit
    [*PE2-bgp] l2vpn-family evpn
    [*PE2-bgp-af-evpn] vpn-orf enable
    [*PE2-bgp-af-evpn] quit
    [*PE2-bgp] quit
    [*PE2] commit

    # 配置PE3。

    [~PE3] bgp 100
    [*PE3-bgp] ipv4-family vpn-target
    [*PE3-bgp-af-vpn-target] peer 3.3.3.3 enable
    [*PE3-bgp-af-vpn-target] quit
    [*PE3-bgp] l2vpn-family evpn
    [*PE3-bgp-af-evpn] vpn-orf enable
    [*PE3-bgp-af-evpn] quit
    [*PE3-bgp] quit
    [*PE3] commit

    # 配置RR。

    [~RR] bgp 100
    [*RR-bgp] ipv4-family vpn-target
    [*RR-bgp-af-vpn-target] peer 1.1.1.1 enable
    [*RR-bgp-af-vpn-target] peer 1.1.1.1 reflect-client
    [*RR-bgp-af-vpn-target] peer 2.2.2.2 enable
    [*RR-bgp-af-vpn-target] peer 2.2.2.2 reflect-client
    [*RR-bgp-af-vpn-target] peer 4.4.4.4 enable
    [*RR-bgp-af-vpn-target] peer 4.4.4.4 reflect-client
    [*RR-bgp-af-vpn-target] quit
    [*RR-bgp] l2vpn-family evpn
    [*RR-bgp-af-evpn] vpn-orf enable
    [*RR-bgp-af-evpn] quit
    [*RR-bgp] quit
    [*RR] commit

  11. 检查配置结果。

    配置完成后，在RR上执行display bgp vpn-target routing-table命令，可以看到RR收到的ORF路由。

    [~RR] display bgp vpn-target routing-table
     
 Total number of routes from all PE: 7

 BGP Local router ID is 10.1.1.2
 Status codes: * - valid, > - best, d - damped, x - best external, a - add path,
               h - history,  i - internal, s - suppressed, S - Stale
               Origin : i - IGP, e - EGP, ? - incomplete


 Origin AS: 100

 Total Number of Routes: 7
        Network                  NextHop        MED        LocPrf    PrefVal Path/Ogn
 *>i    RT <1 : 1>               1.1.1.1         0          100        0       ?
 * i                             2.2.2.2         0          100        0       ?
 *>i    RT <2 : 2>               1.1.1.1         0          100        0       ?
 * i                             4.4.4.4         0          100        0       ?
 *>i    RT <00e0-fc00-0001>      1.1.1.1         0          100        0       ?
 *>i    RT <00e0-fc00-0002>      2.2.2.2         0          100        0       ?
 *>i    RT <00e0-fc00-0003>      4.4.4.4         0          100        0       ?

    再次在RR上执行display bgp evpn all routing-table peer 2.2.2.2 advertised-routes和display bgp evpn all routing-table peer 4.4.4.4 advertised-routes命令，可以看到RR仅会向PE2和PE3分别发送对方需要的路由。

    [~RR] display bgp evpn all routing-table peer 2.2.2.2 advertised-routes
    
 Local AS number : 100

 BGP Local router ID is 10.1.1.2
 Status codes: * - valid, > - best, d - damped, x - best external, a - add path,
               h - history,  i - internal, s - suppressed, S - Stale
               Origin : i - IGP, e - EGP, ? - incomplete

 
 EVPN address family:
 Number of A-D Routes: 2
 Route Distinguisher: 100:1
       Network(ESI/EthTagId)                                  NextHop
 *>i   0000.1111.1111.1111.1111:0                             1.1.1.1
 Route Distinguisher: 1.1.1.1:0
       Network(ESI/EthTagId)                                  NextHop
 *>i   0000.1111.1111.1111.1111:4294967295                    1.1.1.1
 
 EVPN address family:
 Number of Inclusive Multicast Routes: 1
 Route Distinguisher: 100:1
       Network(EthTagId/IpAddrLen/OriginalIp)                 NextHop
 *>i   0:32:1.1.1.1                                           1.1.1.1
    [~RR] display bgp evpn all routing-table peer 4.4.4.4 advertised-routes
     Local AS number : 100

 BGP Local router ID is 10.1.1.2
 Status codes: * - valid, > - best, d - damped, x - best external, a - add path,
               h - history,  i - internal, s - suppressed, S - Stale
               Origin : i - IGP, e - EGP, ? - incomplete

 
 EVPN address family:
 Number of A-D Routes: 2
 Route Distinguisher: 100:2
       Network(ESI/EthTagId)                                  NextHop
 *>i   0000.1111.1111.1111.1111:0                             1.1.1.1
 Route Distinguisher: 1.1.1.1:0
       Network(ESI/EthTagId)                                  NextHop
 *>i   0000.1111.1111.1111.1111:4294967295                    1.1.1.1
 
 EVPN address family:
 Number of Inclusive Multicast Routes: 1
 Route Distinguisher: 100:2
       Network(EthTagId/IpAddrLen/OriginalIp)                 NextHop
 *>i   0:32:1.1.1.1                                           1.1.1.1

配置文件

  • PE1的配置文件

    #
sysname PE1
#
evpn vpn-instance evrf1 bd-mode
 route-distinguisher 100:1
 vpn-target 1:1 export-extcommunity
 vpn-target 1:1 import-extcommunity
#
evpn vpn-instance evrf2 bd-mode
 route-distinguisher 100:2
 vpn-target 2:2 export-extcommunity
 vpn-target 2:2 import-extcommunity
#
mpls lsr-id 1.1.1.1
#               
mpls
#
bridge-domain 10
 evpn binding vpn-instance evrf1
#
bridge-domain 20
 evpn binding vpn-instance evrf2
#
mpls ldp
#
interface GigabitEthernet1/0/0
 undo shutdown
 esi 0000.1111.1111.1111.1111
#
interface GigabitEthernet1/0/0.1 mode l2
 encapsulation dot1q vid 10
 rewrite pop single
 bridge-domain 10
#
interface GigabitEthernet1/0/0.2 mode l2
 encapsulation dot1q vid 20
 rewrite pop single
 bridge-domain 20
#               
interface GigabitEthernet2/0/0
 undo shutdown
 ip address 10.1.1.1 255.255.255.0
 mpls
 mpls ldp
#
interface LoopBack1
 ip address 1.1.1.1 255.255.255.255
#
bgp 100
 peer 3.3.3.3 as-number 100
 peer 3.3.3.3 connect-interface LoopBack1
 #
 ipv4-family unicast
  undo synchronization
  peer 3.3.3.3 enable
 #
 l2vpn-family evpn
  undo policy vpn-target
  vpn-orf enable
  peer 3.3.3.3 enable
 #
 ipv4-family vpn-target
  peer 3.3.3.3 enable
#
ospf 1
 area 0.0.0.0
  network 1.1.1.1 0.0.0.0
  network 10.1.1.0 0.0.0.255
#
evpn source-address 1.1.1.1
#
return

  • PE2的配置文件

    #
sysname PE2
#
evpn vpn-instance evrf1 bd-mode
 route-distinguisher 100:1
 vpn-target 1:1 export-extcommunity
 vpn-target 1:1 import-extcommunity
#
mpls lsr-id 2.2.2.2
#
mpls
#
bridge-domain 10
 evpn binding vpn-instance evrf1
#               
mpls ldp
#
interface GigabitEthernet1/0/0
 undo shutdown
 esi 0000.1111.2222.2222.2222
#
interface GigabitEthernet1/0/0.1 mode l2
 encapsulation dot1q vid 10
 rewrite pop single
 bridge-domain 10
#
interface GigabitEthernet2/0/0
 undo shutdown
 ip address 10.2.1.1 255.255.255.0
 mpls
 mpls ldp
#
interface LoopBack1
 ip address 2.2.2.2 255.255.255.255
#
bgp 100
 peer 3.3.3.3 as-number 100
 peer 3.3.3.3 connect-interface LoopBack1
 #
 ipv4-family unicast
  undo synchronization
  peer 3.3.3.3 enable
 #
 l2vpn-family evpn
  undo policy vpn-target
  vpn-orf enable
  peer 3.3.3.3 enable
 #
 ipv4-family vpn-target
  peer 3.3.3.3 enable
#
ospf 1
 area 0.0.0.0
  network 2.2.2.2 0.0.0.0
  network 10.2.1.0 0.0.0.255
#
evpn source-address 2.2.2.2
#
return

  • PE3的配置文件

    #
sysname PE3
#
evpn vpn-instance evrf2 bd-mode
 route-distinguisher 100:2
 vpn-target 2:2 export-extcommunity
 vpn-target 2:2 import-extcommunity
#
mpls lsr-id 4.4.4.4
#
mpls
#
bridge-domain 20
 evpn binding vpn-instance evrf2
#               
mpls ldp
#
interface GigabitEthernet1/0/0
 undo shutdown  
 ip address 10.3.1.2 255.255.255.0
 mpls
 mpls ldp
#
interface GigabitEthernet2/0/0
 undo shutdown
 esi 0000.1111.3333.3333.3333
#
interface GigabitEthernet2/0/0.1 mode l2
 encapsulation dot1q vid 20
 rewrite pop single
 bridge-domain 20
#
interface LoopBack1
 ip address 4.4.4.4 255.255.255.255
#
bgp 100
 peer 3.3.3.3 as-number 100
 peer 3.3.3.3 connect-interface LoopBack1
 #
 ipv4-family unicast
  undo synchronization
  peer 3.3.3.3 enable
 #
 l2vpn-family evpn
  undo policy vpn-target
  vpn-orf enable
  peer 3.3.3.3 enable
 #
 ipv4-family vpn-target
  peer 3.3.3.3 enable
#
ospf 1
 area 0.0.0.0
  network 4.4.4.4 0.0.0.0
  network 10.3.1.0 0.0.0.255
#
evpn source-address 4.4.4.4
#
return

  • RR的配置文件

    #
sysname RR
#
mpls lsr-id 3.3.3.3
#
mpls
#
mpls ldp
#
interface GigabitEthernet1/0/0
 undo shutdown
 ip address 10.1.1.2 255.255.255.0
 mpls
 mpls ldp
#
interface GigabitEthernet2/0/0
 undo shutdown
 ip address 10.2.1.2 255.255.255.0
 mpls           
 mpls ldp
#
interface GigabitEthernet3/0/0
 undo shutdown
 ip address 10.3.1.1 255.255.255.0
 mpls
 mpls ldp
#
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
 peer 2.2.2.2 as-number 100
 peer 2.2.2.2 connect-interface LoopBack1
 peer 4.4.4.4 as-number 100
 peer 4.4.4.4 connect-interface LoopBack1
 #
 ipv4-family unicast
  undo synchronization
  peer 1.1.1.1 enable
  peer 2.2.2.2 enable
  peer 4.4.4.4 enable
 #
 l2vpn-family evpn
  undo policy vpn-target
  vpn-orf enable
  peer 1.1.1.1 enable
  peer 1.1.1.1 reflect-client
  peer 2.2.2.2 enable
  peer 2.2.2.2 reflect-client
  peer 4.4.4.4 enable
  peer 4.4.4.4 reflect-client
 #
 ipv4-family vpn-target
  peer 1.1.1.1 enable
  peer 1.1.1.1 reflect-client
  peer 2.2.2.2 enable
  peer 2.2.2.2 reflect-client
  peer 4.4.4.4 enable
  peer 4.4.4.4 reflect-client
#
ospf 1
 area 0.0.0.0
  network 3.3.3.3 0.0.0.0
  network 10.1.1.0 0.0.0.255
  network 10.2.1.0 0.0.0.255
  network 10.3.1.0 0.0.0.255
#               
return

  • CE1的配置文件

    #
sysname CE1
#
bridge-domain 10
#
bridge-domain 20
#
interface GigabitEthernet1/0/0
 undo shutdown
#
interface GigabitEthernet1/0/0.1 mode l2
 encapsulation dot1q vid 10
 rewrite pop single
 bridge-domain 10
#
interface GigabitEthernet1/0/0.2 mode l2
 encapsulation dot1q vid 20
 rewrite pop single
 bridge-domain 20
#
return

  • CE2的配置文件

    #
sysname CE2
#
bridge-domain 10
#
interface GigabitEthernet1/0/0
 undo shutdown
#
interface GigabitEthernet1/0/0.1 mode l2
 encapsulation dot1q vid 10
 rewrite pop single
 bridge-domain 10
#
return

  • CE3的配置文件

    #
sysname CE3
#
bridge-domain 20
#
interface GigabitEthernet1/0/0
 undo shutdown
#
interface GigabitEthernet1/0/0.1 mode l2
 encapsulation dot1q vid 20
 rewrite pop single
 bridge-domain 20
#
return
翻译
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更新时间：2020-06-20

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