Dhcp Server Configuration Task List; Enabling Dhcp; Enabling The Dhcp Server On An Interface - 3Com Switch 4800G 24-Port Configuration Manual

DHCP Server
Configuration Task
List

Enabling DHCP

Enabling the DHCP
Server on an Interface
5 The IP address that was a conflict or passed its lease duration
If no IP address is assignable, the server will not respond.
Complete the following tasks to configure the DHCP server:
Task
"Enabling DHCP" on page 799
"Enabling the DHCP Server on an Interface" on page 799
"Configuring an Address Pool for the DHCP Server" on page 800
"Configuring the DHCP Server Security Functions" on page 806
"Configuring the Handling Mode for Option 82" on page 808
Enable DHCP before performing other configurations.
Follow these steps to enable DHCP:
To do...
Enter system view
Enable DHCP
With the DHCP server enabled on an interface, upon receiving a client's request,
the DHCP server will assign an IP address from its address pool to the DHCP client.
Follow these steps to enable the DHCP server on an interface:
To do...
Enter system view
Enter interface view
Enable the DHCP server on an
interface
n
The subaddress keyword is valid only when the server and client are on the same
subnet. If a DHCP relay agent exists in between, regardless of subaddress, the
DHCP server will select an IP address from the address pool of the subnet which
contains the primary IP address of the DHCP relay agent's interface (connected to
the client).
When the DHCP server and client are on the same subnet, the server will
With subaddress specified, assign an IP address from the address pool of the
■
subnet which the secondary IP address of the server's interface connected to
the client belongs to, or assign from the first secondary IP address if several
secondary IP addresses exist. If no secondary IP address is configured for the
interface, the server is unable to assign an IP address to the client.

DHCP Server Configuration Task List

Use the command...
system-view
dhcp enable
Use the command...
system-view
interface interface-type
interface-number
dhcp select server
global-pool [ subaddress ]
799
Remarks
Required
Optional
Required
Optional
Optional
Remarks
-
Required
Disabled by default.
Remarks
-
-
Optional
Enabled by default.