Customizing Dhcp Service; Configuring Gateway Addresses For Dhcp Clients; Interface Address Pool-Based Dhcp Server Configuration; Configuration Overview - 3Com 5500-SI Configuration Manual

132 C 10: DHCP S
HAPTER
Customizing DHCP
Service
Configuring Gateway
Addresses for DHCP
Clients
Interface Address
Pool-based DHCP
Server Configuration

Configuration Overview

C
ERVER ONFIGURATION
With the evolution of DHCP, new options are constantly coming into being. You can
add the new options as the properties of DHCP servers by performing the following
configuration.
Table 117 Customize DHCP service
Operation
Enter system view
Create a DHCP address
pool and enter DHCP
address pool view
Configure customized
options
Gateways are necessary for DHCP clients to access servers/hosts outside the current
network segment. After you configure gateway addresses on a DHCP server, the
DHPC server provides the gateway addresses to DHCP clients as well while assigning
IP addresses to them.
You can configure gateway addresses for address pools on a DHCP server. Currently,
you can configure up to eight gateway addresses for a DHCP address pool.
Table 118 Configure gateway addresses for DHCP clients
Operation
Enter system view
Create a DHCP address
pool and enter DHCP
address pool view
Configure gateway
addresses for DHCP clients
This section contains configuration information for Interface Address Pool-Based
DHCP Server
An interface address pool is created when the interface is assigned a valid unicast IP
address and you execute the dhcp select interface command in interface view. The IP
addresses contained in it belong to the network segment where the interface resides
in and are available to the interface only.
You can perform certain configurations for DHCP address pools of an interface or
multiple interfaces within specified interface ranges. Configuring for multiple
Command Description
System-view -
dhcp server ip-pool Required
pool-name By default, no global DHCP address pool is
created.
option code { ascii Required
ascii-string | hex By default, no customized option is
hex-string&<1-10> | configured.
ip-address
ip-address&<1-8> }
Command Description
system-view -
dhcp server Required
ip-pool pool-name By default, no global DHCP address pool is
created.
gateway-list Required
ip-address&<1-8> By default, no gateway address is configured.