DHCP reply not leaving machine

Alan DeKok aland at deployingradius.com
Mon Oct 28 21:13:43 CET 2013


Phil Mayers wrote:
> If you do add this, *please* leave it as an option, with normal UDP
> sockets there too.

  Absolutely.  If the server doesn't get broadcast packets, it should
just do unicast UDP (from / to giaddr).

> One of the most IRRITATING things about the ISC DHCP server (aside from
> it's crappy logging) is that it bypasses the OS IP stack - not only does
> this mean various tricks like policy routing don't work, but since the
> link-layer processing has to be hard-coded for each interface/link type,
> esoteric things (GRE, IP/IP) can't run an ISC dhcp listener.

  Yes.  It wouldn't be hard to do normal UDP sockets.  But no... the ISC
people are smarter than you.  You don't need that!

  Alan DeKok.


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