IT Resource » ping http://www.itresource.com.au Your one stop Information Technology Resource Mon, 21 Dec 2009 05:20:59 +0000 en hourly 1 http://wordpress.org/?v=3.0.1 Using the ‘ping’ command http://www.itresource.com.au/2008/07/31/using-the-ping-command/ http://www.itresource.com.au/2008/07/31/using-the-ping-command/#comments Thu, 31 Jul 2008 05:37:11 +0000 Dave W http://www.itresource.com.au/?p=104 Ping verifies IP-level connectivity to another TCP/IP computer by sending Internet Control Message Protocol (ICMP) Echo Request messages. The receipt of corresponding Echo Reply messages are displayed, along with round-trip times. Ping is the primary TCP/IP command used to troubleshoot connectivity, reachability, and name resolution.

Examples of Ping

Windows
ping google.com

Pinging google.com [64.223.167.99] with 32 bytes of data:
Reply from 64.223.167.99: bytes=32 time=37ms TTL=57
Reply from 64.223.167.99: bytes=32 time=37ms TTL=57
Reply from 64.223.167.99: bytes=32 time=75ms TTL=57
Reply from 64.223.167.99: bytes=32 time=40ms TTL=57

Ping statistics for 64.223.167.99:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 37ms, Maximum = 75ms, Average = 47ms

Linux
ping -c 5 itresource.com.au

PING itresource.com.au(203.88.118.177) 56(84) bytes of data.
64 bytes from kookaburra.cbr.hosting-server.com.au (203.88.118.177): icmp_seq=1 ttl=57 time=36.6 ms
64 bytes from kookaburra.cbr.hosting-server.com.au (203.88.118.177): icmp_seq=2 ttl=57 time=36.5 ms
64 bytes from kookaburra.cbr.hosting-server.com.au (203.88.118.177): icmp_seq=3 ttl=57 time=37.0 ms
64 bytes from kookaburra.cbr.hosting-server.com.au (203.88.118.177): icmp_seq=4 ttl=57 time=36.9 ms
64 bytes from kookaburra.cbr.hosting-server.com.au (203.88.118.177): icmp_seq=5 ttl=57 time=36.6 ms

— itresource.com.au ping statistics —
5 packets transmitted, 5 received, 0% packet loss, time 9000ms
rtt min/avg/max/mdev = 35.918/36.638/37.106/0.400 ms

Mac OS X
ping -c 10 itresource.com.au

PING kookaburra.cbr.hosting-server.com.au (203.88.118.177): 56 data bytes
64 bytes from 203.88.118.177: icmp_seq=0 ttl=53 time=40.019 ms
64 bytes from 203.88.118.177: icmp_seq=1 ttl=53 time=47.502 ms
64 bytes from 203.88.118.177: icmp_seq=2 ttl=53 time=43.208 ms
64 bytes from 203.88.118.177: icmp_seq=3 ttl=53 time=50.851 ms
64 bytes from 203.88.118.177: icmp_seq=4 ttl=53 time=46.556 ms

— ping statistics —
5 packets transmitted, 5 packets received, 0% packet loss
round-trip min/avg/max/stddev = 40.019/45.575/50.851/3.588 ms

Useful links:
http://en.wikipedia.org/wiki/Ping

http://www.computerhope.com/jargon/p/ping.htm

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