udhcpc & OS X server

[Vladislav Grishenko]

Denys, I guess it's a form of DHCP snooping on intermediate switches/relays.
Was discovered on Russian ISP Beeline/Corbina several years ago. 

Best Regards, theMIROn
ICQ: 303357
Skype: the.miron


> -----Original Message-----
> From: Denys Vlasenko [mailto:vda.linux at googlemail.com]
> Sent: Wednesday, March 09, 2011 8:50 PM
> To: Lauri Kasanen
> Cc: Vladislav Grishenko; busybox at busybox.net
> Subject: Re: udhcpc & OS X server
> 
> On Wed, Mar 9, 2011 at 12:00 PM, Lauri Kasanen <curaga at operamail.com>
> wrote:
> >> Hi, Lauri
> >> Not only Mac, but several Windows DHCP servers also are ignoring DHCP
> >> requests with SECS == 0 Try out this lazy patch, second hunk
> >> http://code.google.com/p/wl500g/source/browse/trunk/busybox/301-
> udhcp
> >> -secs.p
> >> atch
> >>
> >> Best Regards, theMIROn
> >> ICQ: 303357
> >> Skype: the.miron
> >
> > Hi
> >
> > As mentioned, if it's under 4, the Mac doesn't reply, so the patch
wouldn't
> work as-is in this case.
> 
> Can you give me any URLs regarding this particular DHCP server?
> Is its source available somewhere?
> 
> It seems to be a very stupid behavior to not answer to packets with secs =
0.
> 
> _Any_ DHCP client starts the discovery by sending them.
> 
> Basically, dropping them ensures that DHCP works _slower_ than it can.
> 
> In other words, I am interested to look at DHCP server developer's
rationale.
> 
> --
> vda