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Gratuitous ARP/RAW sockets under Linux

daemon@ATHENA.MIT.EDU (Vipul Gupta)
Sat Feb 3 21:05:57 1996

Date: 	Sat, 3 Feb 1996 15:24:16 -0500 (EST)
From: Vipul Gupta <vgupta@cs.binghamton.edu>
To: linux-net@vger.rutgers.edu
Cc: vgupta@cs.binghamton.edu


  a) It appears to me that as of linux-1.3.59, the networking
     code does not implement gratuitous ARP. I am looking into 
     adding this feature (it is useful for Mobile-IP) and would 
     like to know if someone is already working on it.

  b) My second question is -- Is there an example code fragment that
     shows how to generate ethernet encapsulated IP messages from 
     user space (with root privileges) in which various ethernet fields
     (dest addr, Type) and IP fields (e.g. TTL) can be controlled by the
     user? RAW sockets should be usbale in this fashion but 
     the man pages don't say much about RAW sockets.

  Thanks for your time,

  Vipul Gupta 

  E-mail: vgupta@cs.binghamton.edu
  URL -- http://cs.binghamton.edu/~vgupta



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