Cisco Systems 1800 ip dhcp excluded-address low-address, ip dhcp pool name, import all, exit

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ip dhcp excluded-address low-address

Chapter 5 Configuring a LAN with DHCP and VLANs

 

 

 

Configure DHCP

 

 

 

 

 

 

 

Command

Purpose

 

Step 3

 

 

 

ip dhcp excluded-address low-address

Specifies IP addresses that the DHCP server should

 

 

[high-address]

not assign to DHCP clients. In this example, we are

 

 

 

excluding the router address.

 

 

Example:

 

 

 

 

 

 

 

 

Router(config)# ip dhcp excluded-address

 

 

 

 

 

 

 

 

192.168.9.0

 

 

 

 

 

 

 

Step 4

 

 

 

ip dhcp pool name

Creates a DHCP address pool on the router and

 

 

 

enters DHCP pool configuration mode. The name

 

 

Example:

argument can be a string or an integer.

 

 

Router(config)# ip dhcp pool dpool1

 

 

 

 

 

 

 

 

Router(config-dhcp)#

 

 

 

 

 

 

 

Step 5

 

 

 

network network-number [mask prefix-length]

Defines subnet number (IP) address for the DHCP

 

 

 

address pool, optionally including the mask.

 

 

Example:

 

 

 

 

 

 

 

 

Router(config-dhcp)# network 10.10.0.0

 

 

 

 

 

 

 

 

255.255.255.0

 

 

 

 

 

 

 

 

Router(config-dhcp)#

 

 

 

 

 

 

 

Step 6

 

 

 

import all

Imports DHCP option parameters into the DHCP

 

 

 

portion of the router database.

 

 

Example:

 

 

 

 

 

 

 

 

Router(config-dhcp)# import all

 

 

 

 

 

 

 

 

Router(config-dhcp)#

 

 

 

 

 

 

 

Step 7

 

 

 

default-routeraddress [address2...address8]

Specifies up to 8 default routers for a DHCP client.

 

 

Example:

 

 

 

 

 

 

 

 

Router(config-dhcp)#default-router 10.1.1.1

 

 

 

 

 

 

 

 

Router(config-dhcp)#

 

 

 

 

 

 

 

Step 8

 

 

 

dns-serveraddress [address2...address8]

Specifies up to 8 DNS servers available to a DHCP

 

 

 

client.

 

 

Example:

 

 

 

 

 

 

 

 

Router(config-dhcp)#dns-server 192.168.35.2

 

 

 

 

 

 

 

 

Router(config-dhcp)#

 

 

 

 

 

 

 

Step 9

 

 

 

domain-name domain

Specifies the domain name for a DHCP client.

 

 

Example:

 

 

 

 

 

 

 

 

Router(config-dhcp)# domain-name cisco.com

 

 

 

 

 

 

 

 

Router(config-dhcp)#

 

 

 

 

 

 

 

Step 10

 

 

 

exit

Exits DHCP configuration mode, and enters global

 

 

 

configuration mode.

 

 

Example:

 

 

 

 

 

 

 

 

Router(config-dhcp)# exit

 

 

 

 

 

 

 

 

Router(config)#

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cisco 1800 Series Integrated Services Routers (Fixed) Software Configuration Guide

 

 

 

 

 

 

 

 

OL-6426-02

 

 

 

5-3

 

 

 

 

 

 

 

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Cisco Systems 1800 ip dhcp excluded-address low-address, ip dhcp pool name, import all, domain-name domain, exit, Command