19216811.live5-3
Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide
OL-5332-01
Chapter 5
Configuring a LAN with DHCP and VLANs
Configure DHCP
Step 3
ip dhcp excluded-address
low-address
[
high-address
]
Example:
Router(config)#
ip dhcp excluded-address
192.168.9.0
Specifies IP addresses that the DHCP server should
not assign to DHCP clients. In this example, we are
excluding the router address.
Step 4
ip dhcp pool
name
Example:
Router(config)#
ip dhcp pool dpool1
Router(config-dhcp)#
Creates a DHCP address pool on the router and
enters DHCP pool configuration mode. The
name
argument can be a string or an integer.
Step 5
network
network-number
[
mask
|
prefix-length
]
Example:
Router(config-dhcp)#
network 10.10.0.0
255.255.255.0
Router(config-dhcp)#
Defines subnet number (IP) address for the DHCP
address pool, optionally including the mask.
Step 6
import all
Example:
Router(config-dhcp)#
import all
Router(config-dhcp)#
Imports DHCP option parameters into the DHCP
portion of the router database.
Step 7
default-router
address
[
address2
...
address8
]
Example:
Router(config-dhcp)#
default-router
10.10.10.10
Router(config-dhcp)#
Specifies up to 8 default routers for a DHCP client.
Step 8
dns-server
address
[
address2
...
address8
]
Example:
Router(config-dhcp)#
dns-server 192.168.35.2
Router(config-dhcp)#
Specifies up to 8 DNS servers available to a DHCP
client.
Command
Purpose