DHCP Options

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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 - 0x8 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