DHCP server ignores directed DHCPREQUEST on renewal

Vladislav Belogrudov linux62i at yahoo.com
Thu May 11 10:23:05 UTC 2006


thanks for the explanation! I had small problem
with interface :)

--- "David W. Hankins" <David_Hankins at isc.org> wrote:

> On Mon, May 08, 2006 at 01:52:04PM -0700, David W.
> Hankins wrote:
> > > I found that such directed DHCPREQUEST messages
> are
> > > ignored by the server in fallback_discard()
> > 
> > The fallback interface discards everything it
> receives - it is only
> > used to transmit unicast messages (broadcasts go
> via the LPF sockets,
> > and we could do unicasts there too, but we'd have
> to build our own
> > routing table, arp, etc...).
> 
> What I meant to say was that the reason for this is
> that anything the
> fallback interface receives is a duplicate of what
> is received on the
> LPF interfaces.
> 
> Unless the packet is coming in a different interface
> due to some
> contrivance.
> 
> -- 
> David W. Hankins		"If you don't do it right the
> first time,
> Software Engineer			you'll just have to do it
> again."
> Internet Systems Consortium, Inc.		-- Jack T.
> Hankins
> 
> 


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