User's Guide

Chapter 14: Client DHCP Configuration
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On the “System” tab of the “System” page, set the “L2 Emulation” to “enabled”.
Figure 46. Centralized DHCP server mode settings
14.2.3 Configuring the Central DHCP Server
Guidelines for configuring the central DHCP server are provided below. The full configuration
of the central DHCP server will depend on the type of DHCP server that is used and is beyond
the scope of this document.
Typically the following information must be available in order to configure the server:
1. The local interface (to the DHCP server) over which the DHCP-related messages from
the EL-500 arrive
2. The parameter(s) that define the address lease time
3. Whether DNS and domain names are to be provided by the DHCP server to client
devices
4. The range of the flat IP address that is used for assigning IP addresses to client
devices. The range must not include the IP addresses set aside for the client access
interfaces on the EL-500.
The following is a segment of the dhcpd.conf file for a Linux DHCP server (ISC DHCP server)
that illustrates the scope settings for the part of the network pertaining to the EL-500: