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NetEngine 8000 X V800R012C00SPC300 配置指南 - VPN 04
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配置私网接入普通EVPN E-Lan示例

配置私网接入普通EVPN E-Lan示例

配置私网接入普通EVPN E-Lan实现二层网路互联。

组网需求

如图12-40所示：Site1和Site2内为二层网络，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。其中各个PE设备上创建EVPN实例用于存储CE或远端PE发来的EVPN路由，RR设备将配置成路由反射器，用于反射EVPN路由。为了更高效的传输流量，将PE1和PE2都配置成多活跃模式，形成负载分担功能。

图12-40 EVPN组网图

本例中interface1、interface2、interface3分别代表GE1/0/0、GE2/0/0、GE3/0/0。

单归场景下，EVPN双归场景所需要的快速收敛、水平分割、df选举等特性均已无效。所以单归PE上配置ESI为可选操作。



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. 在骨干网上配置IGP实现各个PE以及RR设备之间的互通。

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

  3. 配置PE上的EVPN实例。

  4. 配置PE上的源地址。

  5. 配置PE上与CE相连的接口绑定EVPN实例。

  6. 配置各个PE与CE接口上的ESI。

  7. 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。

  8. 配置PE1和PE2的冗余模式。

  9. 配置CE与PE之间相互通信。

  10. 配置PE1和PE2上接入侧接口联动BFD会话，提升接入链路故障时的DF切换速度。

数据准备

为完成此配置例，需准备如下的数据：

  • EVPN实例名称evpna。

  • 各个PE的EVPN实例的RD值为100:1、200:1、300:1，RT值为1:1。

操作步骤

  1. 按图12-40配置PE和RR的各接口地址，具体配置请参见配置文件
  2. 在骨干网上配置IGP实现各个PE以及RR设备之间的互通。本例中IGP为OSPF为例进行说明

    # 配置PE1。

    [~PE1] ospf 1
    [*PE1-ospf-1] area 0
    [*PE1-ospf-1-area-0.0.0.0] network 10.1.1.0 0.0.0.255
    [*PE1-ospf-1-area-0.0.0.0] network 1.1.1.1 0.0.0.0
    [*PE1-ospf-1-area-0.0.0.0] commit
    [~PE1-ospf-1-area-0.0.0.0] quit
    [~PE1-ospf-1] quit

    # 配置PE2。

    [~PE2] ospf 1
    [*PE2-ospf-1] area 0
    [*PE2-ospf-1-area-0.0.0.0] network 10.2.1.0 0.0.0.255
    [*PE2-ospf-1-area-0.0.0.0] network 2.2.2.2 0.0.0.0
    [*PE2-ospf-1-area-0.0.0.0] commit
    [~PE2-ospf-1-area-0.0.0.0] quit
    [~PE2-ospf-1] quit

    # 配置PE3。

    [~PE3] ospf 1
    [*PE3-ospf-1] area 0
    [*PE3-ospf-1-area-0.0.0.0] network 10.3.1.0 0.0.0.255
    [*PE3-ospf-1-area-0.0.0.0] network 4.4.4.4 0.0.0.0
    [*PE3-ospf-1-area-0.0.0.0] commit
    [~PE3-ospf-1-area-0.0.0.0] quit
    [~PE3-ospf-1] quit

    # 配置RR。

    [~RR] ospf 1
    [*RR-ospf-1] area 0
    [*RR-ospf-1-area-0.0.0.0] network 10.1.1.0 0.0.0.255
    [*RR-ospf-1-area-0.0.0.0] network 10.2.1.0 0.0.0.255
    [*RR-ospf-1-area-0.0.0.0] network 10.3.1.0 0.0.0.255
    [*RR-ospf-1-area-0.0.0.0] network 3.3.3.3 0.0.0.0
    [*RR-ospf-1-area-0.0.0.0] commit
    [~RR-ospf-1-area-0.0.0.0] quit
    [~RR-ospf-1] quit

    配置完成后，PE1、PE2、PE3和RR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和RR之间学习到对方的Loopback1路由。

    以PE1的显示为例：

    [~PE1] display ospf peer
              OSPF Process 1 with Router ID 10.1.1.1
                Neighbors

 Area 0.0.0.0 interface 10.1.1.1 (GE2/0/0)'s neighbors
 Router ID: 3.3.3.3          Address: 10.1.1.2
   State: Full      Mode:Nbr is Slave    Priority: 1
   DR: 10.1.1.1         BDR: 10.1.1.2         MTU: 0
   Dead timer due in  35  sec
   Retrans timer interval: 5
   Neighbor is up for 00h00m30s
   Authentication Sequence: [ 0 ]
    [~PE1] display ip routing-table
    Route Flags: R - relay, D - download to fib, T - to vpn-instance, B - black hole route
------------------------------------------------------------------------------
Routing Table : _public_
         Destinations : 13       Routes : 13

Destination/Mask    Proto   Pre  Cost        Flags NextHop         Interface

        1.1.1.1/32  Direct  0    0             D   127.0.0.1       LoopBack0
        2.2.2.2/32  OSPF    10   2             D   10.1.1.2        GigabitEthernet2/0/0
        3.3.3.3/32  OSPF    10   1             D   10.1.1.2        GigabitEthernet2/0/0
        4.4.4.4/32  OSPF    10   2             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
127.255.255.255/32  Direct  0    0             D   127.0.0.1       InLoopBack0
      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
    10.1.1.255/32   Direct  0    0             D   127.0.0.1       GigabitEthernet2/0/0
      10.2.1.0/24   OSPF    10   2             D   10.1.1.2        GigabitEthernet2/0/0
      10.3.1.0/24   OSPF    10   2             D   10.1.1.2        GigabitEthernet2/0/0
255.255.255.255/32  Direct  0    0             D   127.0.0.1       InLoopBack0

  3. 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 1.1.1.1
    [*PE1] mpls
    [*PE1-mpls] quit
    [*PE1] mpls ldp
    [*PE1-mpls-ldp] quit
    [*PE1] interface gigabitethernet 2/0/0
    [*PE1-GigabitEthernet2/0/0] mpls
    [*PE1-GigabitEthernet2/0/0] mpls ldp
    [*PE1-GigabitEthernet2/0/0] commit
    [~PE1-GigabitEthernet2/0/0] quit

    # 配置PE2。

    [~PE2] mpls lsr-id 2.2.2.2
    [*PE2] mpls
    [*PE2-mpls] quit
    [*PE2] mpls ldp
    [*PE2-mpls-ldp] quit
    [*PE2] interface gigabitethernet 2/0/0
    [*PE2-GigabitEthernet2/0/0] mpls
    [*PE2-GigabitEthernet2/0/0] mpls ldp
    [*PE2-GigabitEthernet2/0/0] commit
    [~PE2-GigabitEthernet2/0/0] quit

    # 配置RR。

    [~RR] mpls lsr-id 3.3.3.3
    [*RR] mpls
    [*RR-mpls] quit
    [*RR] mpls ldp
    [*RR-mpls-ldp] quit
    [*RR] interface gigabitethernet 1/0/0
    [*RR-GigabitEthernet1/0/0] mpls
    [*RR-GigabitEthernet1/0/0] mpls ldp
    [*RR-GigabitEthernet1/0/0] quit
    [*RR] interface gigabitethernet 2/0/0
    [*RR-GigabitEthernet2/0/0] mpls
    [*RR-GigabitEthernet2/0/0] mpls ldp
    [*RR-GigabitEthernet2/0/0] quit
    [*RR] interface gigabitethernet 3/0/0
    [*RR-GigabitEthernet3/0/0] mpls
    [*RR-GigabitEthernet3/0/0] mpls ldp
    [*RR-GigabitEthernet3/0/0] commit
    [~RR-GigabitEthernet3/0/0] quit

    # 配置PE3。

    [~PE3] mpls lsr-id 4.4.4.4
    [*PE3] mpls
    [*PE3-mpls] quit
    [*PE3] mpls ldp
    [*PE3-mpls-ldp] quit
    [*PE3] interface gigabitethernet 1/0/0
    [*PE3-GigabitEthernet1/0/0] mpls
    [*PE3-GigabitEthernet1/0/0] mpls ldp
    [*PE3-GigabitEthernet1/0/0] commit
    [~PE3-GigabitEthernet1/0/0] quit

    上述配置完成后，PE1、PE2、PE3和RR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
--------------------------------------------------------------------------
 3.3.3.3:0          Operational DU   Passive  0000:00:00   5/4
--------------------------------------------------------------------------
TOTAL: 1 Session(s) Found.
    [~PE1] display mpls ldp lsp
     LDP LSP Information
 -------------------------------------------------------------------------------
 DestAddress/Mask   In/OutLabel    UpstreamPeer    NextHop          OutInterface
 -------------------------------------------------------------------------------
 1.1.1.1/32         3/NULL         3.3.3.3         127.0.0.1        Loop0
*1.1.1.1/32         Liberal/32828                  DS/3.3.3.3
 2.2.2.2/32         NULL/32829     -               10.1.1.2         GE2/0/0
 2.2.2.2/32         32829/32829    3.3.3.3         10.1.1.2         GE2/0/0
 3.3.3.3/32         NULL/3         -               10.1.1.2         GE2/0/0
 3.3.3.3/32         32828/3        3.3.3.3         10.1.1.2         GE2/0/0
 4.4.4.4/32         NULL/32830     -               10.1.1.2         GE2/0/0
 4.4.4.4/32         32830/32830    3.3.3.3         10.1.1.2         GE2/0/0
 -------------------------------------------------------------------------------
 TOTAL: 7 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
An asterisk (*) before an LSP means the LSP is not established
 An asterisk (*) before a Label means the USCB or DSCB is stale
 An asterisk (*) before an UpstreamPeer means the session is stale
 An asterisk (*) before a DS means the session is stale
 An asterisk (*) before a NextHop means the LSP is FRR LSP

  4. 配置PE上的EVPN实例

    # 配置PE1。

    [~PE1] evpn vpn-instance evpna
    [*PE1-evpn-instance-evpna] route-distinguisher 100:1
    [*PE1-evpn-instance-evpna] vpn-target 1:1
    [*PE1-evpn-instance-evpna] quit
    [*PE1] commit

    # 配置PE2。

    [~PE2] evpn vpn-instance evpna
    [*PE2-evpn-instance-evpna] route-distinguisher 200:1
    [*PE2-evpn-instance-evpna] vpn-target 1:1
    [*PE2-evpn-instance-evpna] quit
    [*PE2] commit

    # 配置PE3。

    [~PE3] evpn vpn-instance evpna
    [*PE3-evpn-instance-evpna] route-distinguisher 300:1
    [*PE3-evpn-instance-evpna] vpn-target 1:1
    [*PE3-evpn-instance-evpna] 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PE1和PE2上连接CE的接口的ESI（本例使用动态生成ESI的配置方法，配置静态ESI的方法请参见配置ESI）。

    # 配置PE1。

    [~PE1] lacp e-trunk priority 1
    [*PE1] lacp e-trunk system-id 00E0-FC00-0000
    [*PE1] e-trunk 1
    [*PE1-e-trunk-1] priority 10
    [*PE1-e-trunk-1] peer-address 2.2.2.2 source-address 1.1.1.1
    [*PE1-e-trunk-1] quit
    [*PE1] interface eth-trunk 10
    [*PE1-Eth-Trunk10] mode lacp-static
    [*PE1-Eth-Trunk10] e-trunk 1
    [*PE1-Eth-Trunk10] quit
    [*PE1] commit

    # 配置PE2。

    [~PE2] lacp e-trunk priority 1
    [*PE2] lacp e-trunk system-id 00E0-FC00-0000
    [*PE2] e-trunk 1
    [*PE2-e-trunk-1] priority 10
    [*PE2-e-trunk-1] peer-address 1.1.1.1 source-address 2.2.2.2
    [*PE2-e-trunk-1] quit
    [*PE2] interface eth-trunk 10
    [*PE2-Eth-Trunk10] mode lacp-static
    [*PE2-Eth-Trunk10] e-trunk 1
    [*PE2-Eth-Trunk10] quit
    [*PE2] commit

  7. 配置PE上与CE相连的接口绑定EVPN实例。

    # 配置PE1。

    [~PE1] interface eth-trunk 10
    [*PE1-Eth-Trunk10] e-trunk mode force-master
    [*PE1-Eth-Trunk10] evpn binding vpn-instance evpna
    [*PE1-Eth-Trunk10] commit
    [~PE1-Eth-Trunk10] quit
    [~PE1] interface gigabitethernet 1/0/0
    [*PE1-GigabitEthernet1/0/0] eth-trunk 10
    [*PE1-GigabitEthernet1/0/0] commit
    [~PE1-GigabitEthernet1/0/0] quit

    # 配置PE2。

    [~PE2] interface eth-trunk 10
    [*PE2-Eth-Trunk10] e-trunk mode force-master
    [*PE2-Eth-Trunk10] evpn binding vpn-instance evpna
    [*PE2-Eth-Trunk10] commit
    [~PE2-Eth-Trunk10] quit
    [~PE2] interface gigabitethernet 1/0/0
    [*PE2-GigabitEthernet1/0/0] eth-trunk 10
    [*PE2-GigabitEthernet1/0/0] commit
    [~PE2-GigabitEthernet1/0/0] quit

    # 配置PE3。

    [~PE3] interface gigabitethernet 2/0/0
    [*PE3-GigabitEthernet2/0/0] evpn binding vpn-instance evpna
    [*PE3-GigabitEthernet2/0/0] commit
    [~PE3-GigabitEthernet2/0/0] quit

  8. 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        5        4     0 00:00:26 Established        1
  2.2.2.2         4         100        5        4     0 00:00:27 Established        1
  4.4.4.4         4         100        8        4     0 00:00:28 Established        4

  9. 配置CE与PE之间相互通信

    # 配置CE1。

    [~CE1] interface Eth-Trunk1
    [*CE1-Eth-Trunk1] mode lacp-static
    [*CE1-Eth-Trunk1] quit
    [*CE1] interface gigabitethernet1/0/0
    [*CE1-GigabitEthernet1/0/0] eth-trunk 1
    [*CE1-GigabitEthernet1/0/0] quit
    [*CE1] interface gigabitethernet2/0/0
    [*CE1-GigabitEthernet2/0/0] eth-trunk 1
    [*CE1-GigabitEthernet2/0/0] commit
    [~CE1-GigabitEthernet2/0/0] quit

    如果冗余模式配置为单活模式，则CE1的GE1/0/0和GE2/0/0需要加入不同的Eth-Trunk接口。

    # 配置CE2。

    [~CE2] interface Eth-Trunk1
    [*CE2-Eth-Trunk1] quit
    [*CE2] interface gigabitethernet1/0/0
    [*CE2-GigabitEthernet1/0/0] eth-trunk 1
    [*CE2-GigabitEthernet1/0/0] commit
    [~CE2-GigabitEthernet1/0/0] quit

  10. 配置PE1和PE2上接入侧接口联动BFD会话，提升接入链路故障时的DF切换速度。

    # 配置PE1。

    [~PE1] bfd
    [*PE1-bfd] quit
    [*PE1] bfd bfd1 bind peer-ip 2.2.2.2 track-interface interface Eth-Trunk10
    [*PE1-bfd-session-bfd1] discriminator local 10
    [*PE1-bfd-session-bfd1] discriminator remote 20
    [*PE1-bfd-session-bfd1] quit
    [*PE1] interface eth-trunk 10
    [*PE1-Eth-Trunk10] es track bfd bfd1
    [*PE1-Eth-Trunk10] quit
    [*PE1] commit

    # 配置PE2。

    [~PE2] bfd
    [*PE2-bfd] quit
    [*PE2] bfd bfd1 bind peer-ip 1.1.1.1 track-interface interface Eth-Trunk10
    [*PE2-bfd-session-bfd1] discriminator local 20
    [*PE2-bfd-session-bfd1] discriminator remote 10
    [*PE2-bfd-session-bfd1] quit
    [*PE2] interface eth-trunk 10
    [*PE2-Eth-Trunk10] es track bfd bfd1
    [*PE2-Eth-Trunk10] quit
    [*PE2] commit

  11. 检查配置结果

    在PE3设备上执行display bgp evpn all routing-table mac-route命令，可以看到去往CE1的MAC/IP地址通告路由。

    [~PE3] display bgp evpn all routing-table mac-route
     Local AS number : 100

 BGP Local router ID is 4.4.4.4
 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 Mac Routes: 2

 Route Distinguisher: 100:1
       Network(EthTagId/MacAddrLen/MacAddr/IpAddrLen/IpAddr)  NextHop
 *>i   1:48:00e0-fc12-3456:0:0.0.0.0                          1.1.1.1

 Route Distinguisher: 200:1
       Network(EthTagId/MacAddrLen/MacAddr/IpAddrLen/IpAddr)  NextHop
 *>i   1:48:00e0-fc12-3456:0:0.0.0.0                          2.2.2.2


 EVPN-Instance evpna:
 Number of Mac Routes: 2
       Network(EthTagId/MacAddrLen/MacAddr/IpAddrLen/IpAddr)  NextHop
 *>i   1:48:00e0-fc12-3456:0:0.0.0.0                          1.1.1.1
 * i                                                          2.2.2.2

    在PE3设备上执行display bgp evpn all routing-table mac-route mac-route命令，可以看到去往CE1的MAC/IP地址通告路由形成了负载分担。

    [~PE3] display bgp evpn all routing-table mac-route 1:48:00e0-fc12-3456:0:0.0.0.0
     BGP local router ID : 4.4.4.4
 Local AS number : 100

 Total routes of Route Distinguisher(100:1): 1
 BGP routing table entry information of 1:48:00e0-fc12-3456:0:0.0.0.0:
 Label information (Received/Applied): 32831/NULL
 From: 3.3.3.3 (3.3.3.3)
 Route Duration: 0d00h26m50s
 Relay IP Nexthop: 10.3.1.1
 Relay Tunnel Out-Interface: LDP LSP
 Original nexthop: 1.1.1.1
 Qos information : 0x0
 Ext-Community:RT <1 : 1>
 AS-path Nil, origin incomplete, localpref 100, pref-val 0, valid, internal, best, select, pre 255
 Originator: 10.1.1.1
 Cluster list: 3.3.3.3
 Route Type: 2 (MAC Advertisement Route)
 Ethernet Tag ID: 1, MAC Address/Len: 00e0-fc12-3456/48, IP Address/Len: 0.0.0.0/0, ESI:0138.ba56.b790.0201.2100
 Not advertised to any peer yet


 Total routes of Route Distinguisher(200:1): 1
 BGP routing table entry information of 1:48:00e0-fc12-3456:0:0.0.0.0:
 Label information (Received/Applied): 32831/NULL
 From: 3.3.3.3 (3.3.3.3)
 Route Duration: 0d00h20m28s
 Relay IP Nexthop: 10.3.1.1
 Relay Tunnel Out-Interface: LDP LSP
 Original nexthop: 2.2.2.2
 Qos information : 0x0
 Ext-Community:RT <1 : 1>
 AS-path Nil, origin incomplete, localpref 100, pref-val 0, valid, internal, best, select, pre 255
 Originator: 10.2.1.1
 Cluster list: 3.3.3.3
 Route Type: 2 (MAC Advertisement Route)
 Ethernet Tag ID: 1, MAC Address/Len: 00e0-fc12-3456/48, IP Address/Len: 0.0.0.0/0, ESI:0138.ba56.b790.0201.2100
 Not advertised to any peer yet



 EVPN-Instance evpna:
 BGP routing table entry information of 1:48:00e0-fc12-3456:0:0.0.0.0:
 Remote-Cross route
 Label information (Received/Applied): 32831/NULL
 From: 3.3.3.3 (3.3.3.3)
 Route Duration: 0d00h26m51s
 Relay Tunnel Out-Interface: LDP LSP
 Original nexthop: 1.1.1.1
 Qos information : 0x0
 Ext-Community:RT <1 : 1>
 AS-path Nil, origin incomplete, localpref 100, pref-val 0, valid, internal, best, select, pre 255
 Originator: 10.1.1.1
 Cluster list: 3.3.3.3
 Route Type: 2 (MAC Advertisement Route)
 Ethernet Tag ID: 1, MAC Address/Len: 00e0-fc12-3456/48, IP Address/Len: 0.0.0.0/0, ESI:0138.ba56.b790.0201.2100
 Not advertised to any peer yet

 BGP routing table entry information of 1:48:00e0-fc12-3456:0:0.0.0.0:
 Remote-Cross route
 Label information (Received/Applied): 32831/NULL
 From: 3.3.3.3 (3.3.3.3)
 Route Duration: 0d00h20m29s
 Relay Tunnel Out-Interface: LDP LSP
 Original nexthop: 2.2.2.2
 Qos information : 0x0
 Ext-Community:RT <1 : 1>
 AS-path Nil, origin incomplete, localpref 100, pref-val 0, valid, internal, select, pre 255, not preferred for router ID
 Originator: 10.2.1.1
 Cluster list: 3.3.3.3
 Route Type: 2 (MAC Advertisement Route)
 Ethernet Tag ID: 1, MAC Address/Len: 00e0-fc12-3456/48, IP Address/Len: 0.0.0.0/0, ESI:0138.ba56.b790.0201.2100
 Not advertised to any peer yet

配置文件

  • PE1的配置文件

    #
sysname PE1
#
lacp e-trunk system-id 00e0-fc00-0000
lacp e-trunk priority 1
#
evpn vpn-instance evpna
 route-distinguisher 100:1
 vpn-target 1:1 export-extcommunity
 vpn-target 1:1 import-extcommunity
#
bfd
#
mpls lsr-id 1.1.1.1
#
mpls
#
mpls ldp
 #
 ipv4-family
#
e-trunk 1
 priority 10
 peer-address 2.2.2.2 source-address 1.1.1.1
#
interface Eth-Trunk10
 mode lacp-static
 e-trunk 1
 e-trunk mode force-master
 evpn binding vpn-instance evpna
 es track bfd bfd1
#
interface GigabitEthernet1/0/0
 undo shutdown
 eth-trunk 10
#
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
#
bfd bfd1 bind peer-ip 2.2.2.2 track-interface interface Eth-Trunk10
 discriminator local 10
 discriminator remote 20
#
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
  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
#
lacp e-trunk system-id 00e0-fc00-0000
lacp e-trunk priority 1
#
evpn vpn-instance evpna
 route-distinguisher 200:1
 vpn-target 1:1 export-extcommunity
 vpn-target 1:1 import-extcommunity
#
bfd
#
mpls lsr-id 2.2.2.2
#
mpls
#
mpls ldp
 #
 ipv4-family
#
e-trunk 1
 priority 10
 peer-address 1.1.1.1 source-address 2.2.2.2
#
interface Eth-Trunk10
 mode lacp-static
 e-trunk 1
 e-trunk mode force-master
 evpn binding vpn-instance evpna
 es track bfd bfd1
#
interface GigabitEthernet1/0/0
 undo shutdown
 eth-trunk 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
#
bfd bfd1 bind peer-ip 1.1.1.1 track-interface interface Eth-Trunk10
 discriminator local 20
 discriminator remote 10
#
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
  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 evpna
 route-distinguisher 300:1
 vpn-target 1:1 export-extcommunity
 vpn-target 1:1 import-extcommunity
#
mpls lsr-id 4.4.4.4
#
mpls
#
mpls ldp
 #
 ipv4-family
#
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
 evpn binding vpn-instance evpna
#
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
  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
 #
 ipv4-family
#
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
  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
#
interface Eth-Trunk1
 mode lacp-static
#
interface GigabitEthernet1/0/0
 undo shutdown
 eth-trunk 1
#
interface GigabitEthernet2/0/0
 undo shutdown
 eth-trunk 1
#
return

  • CE2的配置文件

    #
sysname CE2
#
interface Eth-Trunk1
#
interface GigabitEthernet1/0/0
 undo shutdown
 eth-trunk 1
#
return
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更新时间：2020-06-20

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