H3C LS-3100-52P-OVS-H3 Operation Manual - Dhcp Server Configuration
2-1
2
DHCP Server Configuration
When configuring the DHCP server, go to these sections for information you are interested in:
z
Introduction to DHCP Server
z
DHCP Server Configuration Task List
z
Configuring an Address Pool for the DHCP Server
z
Enabling DHCP
z
Enabling the DHCP Server on an Interface
z
Applying an Extended Address Pool on an Interface
z
Configuring the DHCP Server Security Functions
z
Configuring the Handling Mode for Option 82
z
Displaying and Maintaining the DHCP Server
z
DHCP Server Configuration Examples
z
Troubleshooting DHCP Server Configuration
z
The DHCP server configuration is supported only on VLAN interfaces and loopback interfaces. The
secondary IP address pool configuration is not supported on loopback interfaces.
z
DHCP snooping must be disabled on the DHCP server.
Introduction to DHCP Server
Application Environment
The DHCP server is well suited to the network where:
z
It is hard to implement manual configuration and centralized management.
z
The hosts are more than the assignable IP addresses and it is impossible to assign a fixed IP
address to each host. For example, an ISP limits the number of hosts accessing the Internet at a
time, so lots of hosts need to acquire IP addresses dynamically.
z
A few hosts need fixed IP addresses.
DHCP Address Pool
Address pool types
DHCP address pools can be classified into two types:
z
Common address pool: Supports both static binding and dynamic allocation.
z
Extended address pool: Supports dynamic allocation only.