3Com 5500-SI Switch User Manual


 
Interface Address Pool-based DHCP Server Configuration 133
interfaces eases configuration work load and makes you to configure in a more
convenient way.
Enabling DHCP You need to enable DHCP before performing DHCP configurations. DHCP-related
configurations are valid only when DHCP is enabled.
Configuring to Assign
the IP addresses of Local
Interface-based address
pools to DHCP Clients
You can configure a DHCP server to assign the IP addresses of local interface-based
address pools to DHCP clients when it receives DHCP packets from DHCP clients.
Configuring to Assign IP
Addresses of
Interface-based Address
Pools to DHCP Clients
You can specify to bind IP addresses statically to DHCP clients or assign IP addresses
dynamically to DHCP clients as needed. But the IP addresses of a DHCP address pool
can only be assigned in one of these two ways at the same time.
As for dynamic IP address assigning, you need to specify the ranges of IP addresses to
be assigned. But for static IP address binding, you can consider an IP address statically
Table 119 Overview of interface address pool-based DHCP server configuration
Operation Description Related section
Enable DHCP Required Enabling DHCP
Configure to assign the IP addresses of the
local interface-based address pools to DHCP
clients
Required Configuring to Assign the IP
addresses of Local
Interface-based address pools to
DHCP Clients
Configure to assign IP
addresses of interface
DHCP address pool to
DHCP clients
Configure to bind IP
address statically to
DHCP clients
One among
these two
options is
required.
Configuring to Assign IP
Addresses of Interface-based
Address Pools to DHCP Clients
Configure to assign
IP addresses
dynamically
Configure DNS service for DHCP clients Optional Configuring DNS Services for
DHCP Clients
Configure NetBIOS service for DHCP clients Optional Configuring NetBIOS Services for
DHCP Clients
Customize DHCP service Optional Customizing DHCP Service
Table 120 Enable DHCP
Operation Command Description
Enter system view system-view -
Enable DHCP dhcp enable Required
By default, DHCP is disabled.
Table 121 Configure to assign the IP addresses of local interface-based address pools to
DHCP clients
Operation Command Description
Enter system view system-view -
Configure to assign
the IP addresses of
local interface-based
address pools to DHCP
clients
Configure the
current interface
interface interface-type
interface-number
Required
By default, a DHCP
server assigns the IP
addresses of the local
global address pool to
DHCP clients in
response to DHCP
packets received from
DHCP clients.
dhcp select interface
quit
Configure
multiple
interfaces
dhcp select interface {
interface interface-type
interface-number [ to
interface-type
interface-number ] | all }