DES-7200 Configuration Guide Chapter 4 DHCP Configuration
4-14
Command Function
DES-7200(config)# ip dhcp
database write-to-flash
Write DHCP binding database
information into the FLASH
4.5.6 Manual Address
Binding
Address binding refers to the IP address to MAC address mapping for the
DHCP clients. You can bind addresses in two ways.
z Manual binding: Configure the static IP address to MAC address mapping
for the DHCP client on the DHCP server manually. Manual binding actually
offers a special address pool;
z Dynamic binding: Upon receiving a DHCP request from the DHCP client,
the DHCP server dynamically assigns an IP address from the DHCP
address pool to the DHCP client, and thus mapping the IP address to the
MAC address for the DHCP client.
To define manual address binding, you first need to define a host address pool
for each manual binding, and then define the IP address and hardware address
(MAC address) or ID for the DHCP client. Generally, a client ID instead of a
MAC address, is defined for the Microsoft clients. The client ID contains media
type and MAC address. For the codes of media types, refer to Address
Resolution Protocol Parameters in RFC 1700. The code of Ethernet type is “01”.
To configure the manual address binding, execute the following commands in
the address pool configuration mode:
Command Function
DES-7200(config)# ip dhcp pool
name
Define the name of the DHCP address pool
and enter the DHCP configuration mode.
DES-7200(dhcp-config)# host address
Define an IP address for the DHCP client.
DES-7200(dhcp-config)#
hardware-address
hardware-address type
DES-7200(dhcp-config)#
client-identifier
unique-identifier
Define a hardware address for the DHCP
client, such as aabb.bbbb.bb88
Define an ID for the DHCP client, such as
01aa.bbbb.bbbb.88