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  1. 配置IP地址
    [LSW1-GigabitEthernet0/0/2]ip add 10.1.1.1 24
    [LSW1-LoopBack0]ip add 1.1.1.1 32
    [LSW2-GigabitEthernet0/0/1]ip add 10.1.1.2 24
    [LSW2-GigabitEthernet0/0/0]ip add 10.1.2.2 24
    [LSR2-LoopBack0]ip add 2.2.2.2 32
    [LSW3-GigabitEthernet0/0/2]ip add 10.1.2.3 24
    [LSW3-GigabitEthernet0/0/0]ip add 10.1.3.3 24
    [LSR3-LoopBack0]ip add 3.3.3.3 32
    [LSR4-GigabitEthernet0/0/0]ip add 10.1.3.4 24
    [LSR4-LoopBack0]ip add 4.4.4.4 32
  2. 配置骨干网设备的IS-IS协议的基本功能,并引入静态路由
    [LSW2]isis 1
    [LSW2-isis-1]network-entity 10.0000.0000.0001.00
    [LSW2-isis-1]import-route static
    [LSW2-GigabitEthernet0/0/1]isis enable 1
    [LSW2-GigabitEthernet0/0/0]isis enable 1
    [LSW2-LoopBack0]isis enable 1
    [LSW3]isis 1
    [LSW3-isis-1]network-entity 10.0000.0000.0002.00
    [LSW3-isis-1]import-route static
    [LSW3-GigabitEthernet0/0/2]isis enable 1
    [LSW3-GigabitEthernet0/0/0]isis enable 1
    [LSW3-LoopBack0]isis enable 1
  3. 配置静态路由,减少不必要的IP表项
    [LSR1]ip route-static 0.0.0.0 0.0.0.0 10.1.1.2
    [LSR2]ip route-static 1.1.1.1 255.255.255.255 10.1.1.1
    [LSR3]ip route-static 4.4.4.4 255.255.255.255 10.1.3.4
    [LSR4]ip route-static 0.0.0.0 0.0.0.0 10.1.3.3
  4. 使能各节点全局和接口的MPLS和MPLS LDP能力
    [LSW1]mpls lsr-id 1.1.1.1
    [LSW1]mpls
    [LSW1]mpls ldp
    [LSW1-GigabitEthernet0/0/2]mpls
    [LSW1-GigabitEthernet0/0/2]mpls ldp
    [LSW2]mpls lsr-id 2.2.2.2
    [LSW2]mpls
    [LSW2]mpls ldp
    [LSW2-GigabitEthernet0/0/1]mpls
    [LSW2-GigabitEthernet0/0/1]mpls ldp
    [LSW2-GigabitEthernet0/0/0]mpls
    [LSW2-GigabitEthernet0/0/0]mpls ldp
    [LSW3]mpls lsr-id 3.3.3.3
    [LSW3]mpls
    [LSW3]mpls ldp
    [LSW3-GigabitEthernet0/0/2]mpls
    [LSW3-GigabitEthernet0/0/2]mpls ldp
    [LSW3-GigabitEthernet0/0/0]mpls
    [LSW3-GigabitEthernet0/0/0]mpls ldp
    [LSR4]mpls lsr-id 4.4.4.4
    [LSR4]mpls
    [LSR4]mpls ldp
    [LSR4-GigabitEthernet0/0/0]mpls
    [LSR4-GigabitEthernet0/0/0]mpls ldp
  5. 配置DoD的标签发布方式,减少不必要的MPLS表项
    [LSW1-GigabitEthernet0/0/2]mpls ldp advertisement dod
    [LSW2-GigabitEthernet0/0/1]mpls ldp advertisement dod
    [LSW3-GigabitEthernet0/0/0]mpls ldp advertisement dod
    [LSR4-GigabitEthernet0/0/0]mpls ldp advertisement dod
  6. 配置LDP跨域扩展
    [LSW1]mpls ldp
    [LSW1-mpls-ldp]longest-match //使能LDP按照最长匹配方式查找路由建立LSP
    [LSR4]mpls ldp
    [LSR4-mpls-ldp]longest-match
  7. 配置LDP远端会话,并使能LDP自动触发DoD请求功能,实现建立LDP LSP
    [LSW1]mpls ldp remote-peer lsr4
    [LSW1-mpls-ldp-remote-lsr4]remote-ip 4.4.4.4
    [LSW1-mpls-ldp-remote-lsr4]remote-ip auto-dod-request
    [LSR4]mpls ldp remote-peer lsr1
    [LSR4-mpls-ldp-remote-lsr1]remote-ip 1.1.1.1
    [LSR4-mpls-ldp-remote-lsr1]remote-ip auto-dod-request
  8. 检查配置


本文标签: 华为功能设备LDPDoD