Chapter 9 Interfaces
ZyWALL ATP Series User’s Guide
232
9.3.6 Add/Edit DHCP Extended Options
When you configure an interface as a DHCPv4 server, you can additionally add DHCP extended
options which have the Zyxel Device to add more information in the DHCP packets. The available fields
vary depending on the DHCP option you select in this screen. To open the screen, click
Configuration >
Network > Interface > Ethernet > Edit
, select
DHCP Server
in the
DHCP Setting
section, and then click
Add
or
Edit
in the
Extended Options
table.
Figure 176
Configuration > Network > Interface > Ethernet > Edit > Add/Edit Extended Options
The following table describes labels that can appear in this screen.
Table 95 Configuration > Network > Interface > Ethernet > Edit > Add/Edit Extended Options
LABEL
DESCRIPTION
Option
Select which DHCP option that you want to add in the DHCP packets sent through the
interface. See the next table for more information.
Name
This field displays the name of the selected DHCP option. If you selected
User Defined
in the
Option
field, enter a descriptive name to identify the DHCP option. You can enter up to 16
characters (“a-z”, “A-Z, “0-9”, “-”, and “_”) with no spaces allowed. The first character must be
alphabetical (a-z, A-Z).
Code
This field displays the code number of the selected DHCP option. If you selected
User Defined
in the
Option
field, enter a number for the option. This field is mandatory.
Type
This is the type of the selected DHCP option. If you selected
User Defined
in the
Option
field,
select an appropriate type for the value that you will enter in the next field. Only advanced
users should configure
User Defined
. Misconfiguration could result in interface lockout.
Value
Enter the value for the selected DHCP option. For example, if you selected
TFTP Server Name
(66)
and the type is
TEXT
, enter the DNS domain name of a TFTP server here. This field is
mandatory.
First IP Address,
Second IP
Address, Third IP
Address
If you selected
Time Server (4)
,
NTP Server (41)
,
SIP Server (120)
,
CAPWAP AC (138)
, or
TFTP
Server (150)
, you have to enter at least one IP address of the corresponding servers in these
fields. The servers should be listed in order of your preference.
First Enterprise ID,
Second Enterprise
ID
If you selected
VIVC (124)
or
VIVS (125)
, you have to enter at least one vendor’s 32-bit
enterprise number in these fields. An enterprise number is a unique number that identifies a
company.
First Class, Second
Class
If you selected
VIVC (124)
, enter the details of the hardware configuration of the host on which
the client is running, or of industry consortium compliance.
First Information,
Second
Information
If you selected
VIVS (125)
, enter additional information for the corresponding enterprise
number in these fields.