A first provider edge (PE) device is configured to: receive a Label Distribution Protocol (LDP) MAC Flush message from a PE device via an input port; flush a routing table in response to the LDP MAC Flush message; determine whether the LDP MAC Flush message comprises a PE identifier corresponding to the PE device; generate a Topology Change Notification (TCN) message based on the LDP MAC Flush message when the LDP MAC Flush message comprises the PE identifier corresponding to the PE device; and output the TCN message.
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机译:第一提供商边缘(PE)设备被配置为:通过输入端口从PE设备接收标签分发协议(LDP)MAC Flush消息;响应于LDP MAC Flush消息,刷新路由表;确定所述LDP MAC Flush消息中是否包括与所述PE设备对应的PE标识;当LDP MAC Flush消息中包含PE设备对应的PE标识时,根据LDP MAC Flush消息生成拓扑变化通知TCN消息;并输出TCN消息。
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