16 Chapter 2
Ensure that within the DHCP scope these new DHCP option tags you create
are activated (this can be done using the Configure Options command),
before you add them.
Table 1 DHCP Options
Option Description Notes
1 Subnet Mask Required. However, it is not is not required unless
the thin client must interact with servers on a
different subnet (MS DHCP requires a subnet
mask and will always send one).
2 Time Offset Optional.
3 Router Optional, but recommended. It is not required
unless the thin client must interact with servers on
a different subnet.
6 Domain Name Server
Optional, but recommended.
15 Domain Name Optional, but recommended. See Option 6.
28 Broadcast Address Optional.
44 WINS servers IP
51 Lease Time Optional, but recommended.
52 Option Overload Optional.
53 DHCP Message Type Recommended.
54 DHCP Server IP
55 Parameter Request
Sent by thin client.
57 Maximum DHCP
Optional (always sent by thin client).
58 T1 (renew) Time Optional, but recommended.
59 T2 (rebind) Time Optional, but recommended.
61 Client identifier Always sent.
161 FTP server list Optional string. Can be either the name or the IP
address of the FTP server. If a name is given, the
name must be resolvable by the DNS server(s)
specified in Option 6. If the option provided by the
server is blank or the server provides no value for
the field, the machine on which the DHCP server
resides is assumed to also be the FTP server.