Chapter 7 Interfaces

Select a DHCPv6 request or lease object in the Select one object field and click OK to save it. Click Cancel to exit without saving the setting.

7.3.4 Add/Edit DHCP Extended Options

When you configure an interface as a DHCPv4 server, you can additionally add DHCP extended options which have the ZyWALL 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 80 Configuration > Network > Interface > Ethernet > Edit > Add/Edit Extended Options

The following table describes labels that can appear in this screen.

Table 43 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 Table 44 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,

If you selected Time Server (4), NTP Server (41), SIP Server (120), CAPWAP AC

Second IP

(138), or TFTP Server (150), you have to enter at least one IP address of the

Address, Third IP

corresponding servers in these fields. The servers should be listed in order of your

Address

preference.

 

 

First Enterprise

If you selected VIVC (124) or VIVS (125), you have to enter at least one vendor’s 32-

ID, Second

bit enterprise number in these fields. An enterprise number is a unique number that

Enterprise ID

identifies a company.

 

 

First Class,

If you selected VIVC (124), enter the details of the hardware configuration of the host on

Second Class

which the client is running, or of industry consortium compliance.

 

 

124

 

ZyWALL 110/310/1100 Series User’s Guide