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Dell EMC SmartFabric OS10 User Guide Release 10.5.0

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跟踪路由可访问性

使用对象跟踪来跟踪 IPv4 或 IPv6 可访问性。要在通过 VRF 实例可访问的路由上配置跟踪,请执行以下操作:
  1. 配置对象跟踪。
    track track-id
       OS10(config)# track 200
  2. 通过 VRF 实例配置下一跳地址的可访问性。
    ip ip-address reachablility vrf vrf-name
       OS10(conf-track-200)#
       OS10(conf-track-200)# ip 1.1.1.1 reachability vrf red
       OS10(conf-track-200)#exit
  3. 配置路由映射。
    route-map route-map-name
       OS10(config-route-map)#
       OS10(config-route-map)# match ip address acl1
  4. 将在步骤 1 中配置的磁道 ID 设置为路由映射。
    set ip vrf vrf-name nexy-hop next-hop-address track-id track-id-number
     OS10(config-route-map)# set ip vrf red next-hop 1.1.1.1 track-id 200
  5. 对 VRF 实例上的入口流量接口应用路由映射。
    interface interface-type
    ip policy route-map route-map-name
       OS10(config)# interface vlan 40
       OS10(conf-if-vl-40)#
       OS10(conf-if-vl-40)# ip policy route-map test
       OS10(conf-if-vl-40)# show configuration
       !
    注: 确保配置下一跳 IP 地址跟踪,以及具有相同 VRF 实例的 PBR 下一跳地址。对于同一 VRF 实例中的下一跳地址可访问性,必须为每个 VRF 配置 PBR 和对象跟踪。在 VRF 实例中缺少下一跳 IP 地址跟踪或 PBR 下一跳配置会导致配置错误。但是,系统不会显示一条错误消息来指出配置中的问题。

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