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Old 09-29-2009, 02:05 AM   #1
gr8linux
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Smile ping command


hi
i want to know how does ping command work? and what does it mean by option -b, -B, and -d ; i went through the man page but i didnt understand the meaning of these options.... plz help me with some example.
thanx!!!!
 
Old 09-29-2009, 02:10 AM   #2
~sHyLoCk~
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Code:
man ping
 
Old 09-29-2009, 02:16 AM   #3
gr8linux
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Smile

Quote:
Originally Posted by ~sHyLoCk~ View Post
Code:
man ping
i know this buddy.... and already read this... but the man page couldn't clear these options..
 
Old 09-29-2009, 02:17 AM   #4
linuxlover.chaitanya
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Excerpt from man page:

Code:
ping uses the ICMP protocol’s mandatory ECHO_REQUEST datagram to elicit
       an  ICMP  ECHO_RESPONSE from a host or gateway.  ECHO_REQUEST datagrams
       (‘‘pings’’) have an IP and ICMP header, followed by  a  struct  timeval
       and  then  an  arbitrary  number  of ‘‘pad’’ bytes used to fill out the
       packet.
Code:
-b     Allow pinging a broadcast address.

       -B     Do not allow ping to  change  source  address  of  probes.   The
              address is bound to one selected when ping starts.
Code:
 -d     Set  the SO_DEBUG option on the socket being used.  Essentially,
              this socket option is not used by Linux kernel.
What did not you understand in this? Can you elaborate?
 
Old 09-29-2009, 03:06 AM   #5
markush
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Hi gr8linux,

ping is part of the icmp-protocol (Internet-Control-Message-Protokol). I'd suggest to google for icmp. Reading http://en.wikipedia.org/wiki/Interne...ssage_Protocol will point you in the right direction.

Markus
 
Old 09-29-2009, 03:10 AM   #6
GlennsPref
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Hi generally I use the ping command like this...

ping -c 4 (address number or website name)
This will send a ping 4 times to the related address and display the outcome of each. -c = count

cheers, Glenn

Last edited by GlennsPref; 09-29-2009 at 03:11 AM.
 
Old 09-29-2009, 03:20 AM   #7
Fred Caro
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dear sir

ping is the same essentially on Windows as on unix. The minus p,t, and god knows what is an option, which takes a bit of learning- best of luck.

Fred.
 
Old 09-29-2009, 10:22 AM   #8
BashTin
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Your kidding me right linuxlover.chaitanya. You expect a none geek to understand those man page entries??

Code:
Allow pinging a broadcast address.

       -B     Do not allow ping to  change  source  address  of  probes.   The
              address is bound to one selected when ping starts.
which means??

Code:
 -d     Set  the SO_DEBUG option on the socket being used.  Essentially,
              this socket option is not used by Linux kernel.
and this? Just set the debug log level I suppose??

BashTin
 
Old 09-29-2009, 11:23 AM   #9
malekmustaq
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gr8linux,

if you want to read something about tcp-ip you may visit this site link.

Hope this helps.
 
Old 09-29-2009, 01:54 PM   #10
Wim Sturkenboom
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Your question is not about ping but about networking. If you don't understand networking, you can not understand some of the ping options.

So time to study some networking 'basics'. If I had a link, I would provide one; sorry.
 
Old 12-24-2009, 12:00 AM   #11
jhon1986
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Thanks

Hi I am jhon.
 
Old 12-24-2009, 12:01 AM   #12
jhon1986
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Thanks

advertising removed

Last edited by pixellany; 12-24-2009 at 09:35 AM.
 
Old 12-24-2009, 12:12 AM   #13
linuxlover.chaitanya
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And that looks like SPAM............Reported.
 
  


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