Common Objects

This page enables you to create DHCP Services and list the DHCP Servers and DHCP Relay Agents you have configured. This feature enables you to dynamically and automatically allocate IPv4 addresses to devices located in the LAN. Refer to "DHCP Server".

From the main menu, select Settings -> Common Objects.

Adding a DHCP Service

1 Click Add DHCP Service in the top right corner of the DHCP Services page.
2 Enter the Name of the DHCP Service and an optional Description.
3 Select either DHCP Server or DHCP Relay Agent as the Service Type. According to your selection, specify the parameters below:

DHCP Server

Note: this feature only applies to deployments with appliance interfaces in router mode.

1 DNS Server List (opt.6): ordered list of IPv4 addresses used for DNS Server(s). IPv4 addresses are separated by commas.
2 DNS Domain Name (opt. 15): character string containing a DNS default suffix
3 Lease Time (opt. 51): period of validity of IPv4 addresses expressed in seconds (default 3600, type integer, max 31622400)
4 Click Add DHCP Service to validate.

DHCP Custom Options

5 In addition to DHCP standard options, you may create customized options by clicking Add DHCP Option. Then define the following parameters:
• Identifier: integer from 1 to 254
• Type: Boolean, IPv4 IP address, string, uint8, uint16 or uint32
• Value: simple value or ordered list of values

Non-exhaustive list of supported custom options:

• option 42 (NTP Servers), 44 (Netbios Name Servers), 46 (Netbios Node type) , 58 (Renewal time), 59 (Rebinding time) and any option code between 128 and 254 (site local options) with a type integer, boolean, string, text, IPv4 address, boolean array or array of IPv4 addresses
• option 26 (interface MTU), 41 (Network Information Services), 69 (SMTP Servers), 70 (POP3 Servers), 66 (TFTP Server name), 67 (Bootfile name), 52 (overload)
6 Click Add DHCP Option to validate.

DHCP Relay Agent

Note: this feature applies to deployments with appliance interfaces in router, bridge-router and bridge modes.

1 Enter the Primary DHCP Server IP address.
2 Enter the Secondary DHCP Server IP address.
3 Click Add DHCP Service to validate.

List of DHCP Servers

This page displays the list of DHCP Servers you have configured.

• Use the Search field to find any specific object.
• Select any DHCP Server in the list and click the icon in the Action column to delete it.
• Use to refresh data display.
• When the window contains a significant number of objects, the page navigation functions at the bottom of the window enable you to navigate through the list.

List of DHCP Relay Agents

This page displays the list of DHCP Relay Agents you have configured.

• Use the Search field to find any specific object.
• Select any DHCP Relay Agent in the list and click the icon in the Action column to delete it.
• Use to refresh data display.
• When the window contains a significant number of objects, the page navigation functions at the bottom of the window enable you to navigate through the list.