[1840] in linux-net channel archive
Re: Gratuitous ARP/RAW sockets under Linux
daemon@ATHENA.MIT.EDU (Bernd Eckenfels)
Mon Feb 5 00:39:41 1996
To: submit-linux-dev-net@ratatosk.yggdrasil.com
From: ukd1@rzstud1.rz.uni-karlsruhe.de (Bernd Eckenfels)
Date: 4 Feb 1996 21:53:28 GMT
Vipul Gupta (vgupta@cs.binghamton.edu) wrote:
> 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.
What do u mean with this? Broadcasting ARP Replies? I think this will not
work on most Systems who are conforming to the RFCs. Why isnt Proxy ARP
enough?
> 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.
Just take a look into ping.c or traceroute.c.
Greetings
Bernd
--
(OO) -- Bernd_Eckenfels@Wittumstrasse13.76646Bruchsal.de --
( .. ) ecki@lina.{inka.de,ka.sub.org} http://home.pages.de/~eckes/
o--o *plush* 2048/93600EFD eckes@irc +4972573817 *plush*
(O____O) If privacy is outlawed only Outlaws have privacy
