DHCP NTP OPTIONS HEX OFFSETS WINDOWS SERVER
2010
Some quick information for network administrators when utilizing Microsoft’s DHCP.
DHCP NTP OPTIONS
Numerical dhcpd.conf option Description
2 time-offset Time Offset – Offset in seconds from GMT (see notes and table below or this link)
3 routers Router – Default gateway IP address
4 Time Server – Array of NTP servers by preference
6 domain-name-servers DNS Servers – Array of DNS servers by preference
15 domain-name DNS Domain Name
42 ntp-servers NTP Servers – List of IP addresses
44 WINS/NBNS Servers – List of IP addresses
46 WINS/NBT Node Type – 0×8 usually
66 tftp-server-name Boot Serer Host Name – IP address or FQDN (Linux also uses next-server)
67 filename “” Boofile Name – usually pxelinux.0
Option 2 Values
-1 0xFFFFF1F0
-2 0xFFFFE3E0
-3 0xFFFFD5D0
-4 0xFFFFC7CD
-5 0xFFFFB9B0
-6 0xFFFFABA0
-7 0xFFFF9D90
-8 0xFFFF8F80
-9 0xFFFF8170
-10 0xFFFF7360
Generously available at this wiki: http://wiki.bluecrow.net/index.php/DHCP_Options

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