(Are you a network administrator? Have you ever had such an experience: in the morning of one day you suddenly found that the network function dropped sharply, the network service could not be provided normally, the server access speed was extremely slow or even inaccessible, the network switch port indicator flashed wildly, the network exit at the network exit The router is now at full load, the router CPU has reached 100% load... The phenomenon reappeared within a few minutes after restarting. What's the problem? Is the device broken? It is impossible for several devices to have problems at the same time. There must be some high-traffic data files that exhaust the resources of network devices. What are they? How to see them? At this time, experienced network administrators will think of using a local area network packet capture tool to analyze it.)
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