K 10
svn:author
V 4
bapt
K 8
svn:date
V 27
2017-05-06T19:23:58.493852Z
K 7
svn:log
V 541
distinguish NFS versus TFTP boot by rootpath

Don't use DHCP 150 option to decide which protocol use to netboot. When
root-path includes ip address - go thru NFS, if ip address not exists in
root-path - go thru TFTP from server which ip address is in next-server.  But
there is one limitation - only one tftp server in network to provide loader and
everything else.  Does enybody use more than only one?

Submitted by:	kczekirda
Sponsored by:	Oktawave
MFC after:	3 weeks
Relnote:	Yes
Differential Revision:	https://reviews.freebsd.org/D8740

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