Reference Guide

Dynamic Host Configuration Protocol (DHCP) | 245
Create Manual Binding Entries
An address binding is a mapping between the IP address and Media Access Control (MAC) address of a
client. The DHCP server assigns the client an available IP address automatically, and then creates a entry in
the binding table. However, the administrator can manually create an entry for a client; manual bindings
are useful when you want to guarantee that a particular network device receives a particular IP address.
Manual bindings can be considered single-host address pools. There is no limit on the number of manual
bindings, but you can only configure one manual binding per host.
To create a manual binding:
Debug DHCP server
Configure the System to be a Relay Agent
The following feature is available on platforms: c e s
DHCP clients and servers request and offer configuration information via broadcast DHCP messages.
Routers do not forward broadcasts, so if there are no DHCP servers on the subnet, the client does not
receive a response to its request and therefore cannot access the network.
You can configure an interface on the Dell Networking system to relay the DHCP messages to a specific
DHCP server using the command
ip helper-address dhcp-address from INTERFACE mode, as shown in the
illustration below. Specify multiple DHCP servers by entering the
ip helper-address dhcp-address command
multiple times.
Note: FTOS does not prevent you from using a network IP as a host IP; be sure to not use a network IP
as a host IP.
Step Task Command Syntax Command Mode
1 Create an address pool
pool name
DHCP
2 Specify the client IP address.
host address
DHCP <POOL>
3 Specify the client hardware address.
•
hardware-address is the client MAC
address.
hardware-address hardware-address type
DHCP <POOL>
Task Command Syntax Command Mode
Display debug information for DHCP server.
debug ip dhcp server [events | packets]
EXEC Privilege