cvs commit: src/sys/netinet in.c

Gleb Smirnoff glebius at
Fri Aug 19 09:22:25 GMT 2005

On Fri, Aug 19, 2005 at 01:21:16AM +0200, Jeremie Le Hen wrote:
J> >   FreeBSD src repository
J> > 
J> >   Modified files:
J> >     sys/netinet          in.c 
J> >   Log:
J> >   In order to support CARP interfaces kernel was taught to handle more
J> >   than one interface in one subnet. However, some userland apps rely on
J> >   the believe that this configuration is impossible.
J> >   
J> >   Add a sysctl switch net.inet.ip.same_prefix_carp_only. If the switch
J> >   is on, then kernel will refuse to add an additional interface to
J> >   already connected subnet unless the interface is CARP. Default
J> >   value is off.
J> >   
J> >   PR:                     bin/82306
J> >   In collaboration with:  mlaier
J> First, thanks for you work.
J> Do you plan to drop a line about this in a manual page ?  I would like
J> to help you on this, but I don't think I'm the good guy to do it,
J> since I don't even use carp(4) interfaces.

The question is which man page to choose, so that people interested in
disabling this feature would find it themselves. Definitely not carp(4).
May be ip(4)? 

Totus tuus, Glebius.

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