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:[email protected]] > Sent: Wednesday, March 09, 2011 8:50 PM > To: Lauri Kasanen > Cc: Vladislav Grishenko; [email protected] > Subject: Re: udhcpc & OS X server > > On Wed, Mar 9, 2011 at 12:00 PM, Lauri Kasanen <[email protected]> > 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 _______________________________________________ busybox mailing list [email protected] http://lists.busybox.net/mailman/listinfo/busybox
