TTL expired in transit: The TTL you see before your ping time for each test refers to the number of “hops” that your packet is allowed to make before being discarded. Use this option to see the full list of Ping options and usage syntax.Enter “ping” followed by the IP address or web address.Open a new Terminal window (it’s located in Applications > Utilities, or you can just start typing it in Spotlight).So, this error message means that your packet exceeded the maximum number of allowable hops.You can also test ping on the Mac directly in the Terminal app. Good for finding out how many packets your routers can quickly handle, which is in turn good for diagnosing problems that only appear with large TCP window sizes. Send preload packets as fast as possible, then fall into a normal mode of behavior. This used to stress test the performance of a network and should be avoided. Display additional ICMP packets that provide very detailed information. Check very large packets that must be fragmented. This only works for hosts that can be directly reached without using any routers. Use this when you suspect routing problems and ping can't find a route to the target host. Target host may not provide the information. -R Use IP's Record Route option to determine what route the ping packets are taking.This is rarely useful if you suspect data-dependent problem. Pattern is a string of hexadecimal digits to pad the end of the packet with. Use this to avoid contacting a nameserver. This is usually only helpful when operating over cellular, satellite or other high latency networks. Ping with a longer timeout to identify latency problems. milliseconds, to wait for a response before the message is declared to be timed out or lost. This option is convenient for scripts that periodically check network behavior. Your options depend on the implementation. If a fault indicator is on, follow the cable from your PC to the router to make sure it is properly connected, then call your cable or broadband provider if necessary. Check that the router has the proper indicators light (and no faults), including the one that indicates a good connection to your PC.
As the ping command transmits packets at about 1 per second, you should be able to see the data light blink. Most PC network ports have an indicator light that indicates a good connection and one that blinks as data is transferred.Check your wireless connection or the connection from your PC to your router, especially if it was working previously.If this fails, your TCP/IP is not functioning correctly, and your network adapter needs to be reconfigured. Sendto: No route to hostThis may mean the address of the gateway is incorrect or that the connection from your PC is not up and running.
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