This tutorial will show you how to check that IP address is live or that you have connection to him. This operation we call - ping.
By default four packets will be send and respective four packets will be waited. If not return all of them this call - packet loss.
Also is good to see the time for reacting each packet. Lower times is better.
How to ping an IP address in DOS window
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C:\>[b]ping onlinehowto.net[/b]
Pinging onlinehowto.net [66.226.93.73] with 32 bytes of data:
Reply from 66.226.93.73: bytes=32 time=189ms TTL=49
Reply from 66.226.93.73: bytes=32 time=199ms TTL=49
Reply from 66.226.93.73: bytes=32 time=189ms TTL=49
Reply from 66.226.93.73: bytes=32 time=191ms TTL=49
Ping statistics for 66.226.93.73:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 189ms, Maximum = 199ms, Average = 192ms
C:\>For other ping option you can type 'ping /?' at DOS prompt.
C:\>[b]ping /?[/b]
Usage: ping [-t] [-a] [-n count] [-l size] [-f] [-i TTL] [-v TOS]
[-r count] [-s count] [[-j host-list] | [-k host-list]]
[-w timeout] target_name
Options:
-t Ping the specified host until stopped.
To see statistics and continue - type Control-Break;
To stop - type Control-C.
-a Resolve addresses to hostnames.
-n count Number of echo requests to send.
-l size Send buffer size.
-f Set Don't Fragment flag in packet.
-i TTL Time To Live.
-v TOS Type Of Service.
-r count Record route for count hops.
-s count Timestamp for count hops.
-j host-list Loose source route along host-list.
-k host-list Strict source route along host-list.
-w timeout Timeout in milliseconds to wait for each reply.
C:\>
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