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Date: Wed, 08 Apr 2015 15:38:48 -0700
From: Yuri <yuri@rawbw.com>
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To: "J.R. Oldroyd" <fbsd@opal.com>, Brooks Davis <brooks@freebsd.org>
Subject: Re: [BUG?] dhclient sends packets with source IP address that has
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On 04/08/2015 01:03, J.R. Oldroyd wrote:
>  From RFC2131, section 4.1:
>
>     DHCP messages broadcast by a client prior to that client obtaining
>     its IP address must have the source address field in the IP header
>     set to 0.
>
> Note the "must" there.
>
> So the current behavior looks like an error, to me.


I suspected that this is the violation of DHCP specs.

Many times I saw how FreeBSD to FreeBSD DHCP handshake is delayed 
without an apparent reason. I  think this bug combined with another one 
when broadcast UDP packet isn't received when source IP is set is the 
cause of such DHCP delays.

Yuri