Configure Dhcp - Cisco 1812W - Integrated Services Router Wireless Configuration Manual

Configure DHCP

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The procedures in this chapter assume you have already configured basic router features as well as
Note
PPPoE or PPPoA with NAT. If you have not performed these configurations tasks, see
Router Configuration," Chapter 3, "Configuring PPP over Ethernet with NAT,"
"Configuring PPP over ATM with NAT"
Configuration Guide
Configure DHCP
Perform these steps to configure your router for DHCP operation, beginning in global configuration
mode:
Command
Step 1
ip domain name name
Example:
Router(config)# ip domain name smallbiz.com
Router(config)#
Step 2
ip name-server server-address1
[server-address2...server-address6]
Example:
Router(config)# ip name-server 192.168.11.12
Router(config)#
Step 3 ip dhcp excluded-address low-address
[high-address]
Example:
Router(config)# ip dhcp excluded-address
192.168.9.0
Step 4 ip dhcp pool name
Example:
Router(config)# ip dhcp pool dpool1
Router(config-dhcp)#
Step 5 network network-number [mask | prefix-length]
Example:
Router(config-dhcp)# network 10.10.0.0
255.255.255.0
Router(config-dhcp)#
Cisco 1800 Series Integrated Services Routers (Fixed) Software Configuration Guide
5-2
Configure VLANs
to assign an IP address to the ports.
Chapter 5
as appropriate for your router. See the
Purpose
Identifies the default domain that the router uses to
complete unqualified hostnames (names without a
dotted-decimal domain name).
Specifies the address of one or more Domain
Name System (DNS) servers to use for name and
address resolution.
Specifies IP addresses that the DHCP server
should not assign to DHCP clients. In this
example, we are excluding the router address.
Creates a DHCP address pool on the router and
enters DHCP pool configuration mode. The name
argument can be a string or an integer.
Defines subnet number (IP) address for the DHCP
address pool, optionally including the mask.
Configuring a LAN with DHCP and VLANs
Chapter 1, "Basic
and Chapter 4,
Cisco IOS IP
OL-6426-03