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Troubleshoot slow performance in Gmail - Google Help A ping test calculates the approximate time it takes for a small message to make a round trip to and from the server 2 Interpret the Google mail server ping test results Check for packet loss At the bottom of the ping result, you see "X% packet loss " In general, any amount of packet loss indicates a problem in the route between you and the Gmail server Check for long round-trip times At
ping是什么，有什么作用？ - 知乎 3、根据 ping 返回的 TTL 值来判断对方所使用的操作系统及数据包经过路由器数量。 我们通常会用它来直接 ping ip 地址，来测试网络的连通情况。 类如这种，直接 ping ip 地址或网关，ping 通会显示出以上数据，有朋友可能会问，bytes=32；time<1ms；TTL=128 这些是什么