Cisco Systems 32369 manual Configuring the Dhcp Address Pool Subnet and Mask

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DHCP Configuration Task List

Configuring the DHCP Address Pool Subnet and Mask

To configure a subnet and mask for the newly created DHCP address pool, which contains the range of available IP addresses that the DHCP server may assign to clients, use the following command in DHCP pool configuration mode:

Command

Purpose

Router(config-dhcp)# network

Specifies the subnet network number and mask of the DHCP

network-number [mask /prefix-length ]

address pool.

 

The prefix length specifies the number of bits that comprise the

 

address prefix. The prefix is an alternative way of specifying

 

the network mask of the client. The prefix length must be

 

preceded by a forward slash (/).

 

 

Note You can not configure manual bindings within the same pool that is configured with the network command. To configure manual bindings, see the “Configuring Manual Bindings” section.

Configuring the Domain Name for the Client

The domain name of a DHCP client places the client in the general grouping of networks that make up the domain. To configure a domain name string for the client, use the following command in DHCP pool configuration mode:

Command

Purpose

Router(config-dhcp)# domain-name

Specifies the domain name for the client.

domain

 

 

 

Configuring the Domain Name System IP Servers for the Client

DHCP clients query DNS IP servers when they need to correlate host names to IP addresses. To configure the DNS IP servers that are available to a DHCP client, use the following command in DHCP pool configuration mode:

Command

Purpose

Router(config-dhcp)# dns-serveraddress Specifies the IP address of a DNS server that is available to a

[address2 ... address8]DHCP client. One IP address is required; however, you can specify up to eight IP addresses in one command line.

Configuring the NetBIOS Windows Internet Naming Service IP Servers for the Client

Windows Internet Naming Service (WINS) is a name resolution service that Microsoft DHCP clients use to correlate host names to IP addresses within a general grouping of networks. To configure the NetBIOS WINS servers that are available to a Microsoft DHCP client, use the following command in DHCP pool configuration mode:

Command

Purpose

Router(config-dhcp)# netbios-name-serverSpecifies the NetBIOS WINS server that is available to a

address [address2 ... address8]Microsoft DHCP client. One address is required; however, you can specify up to eight addresses in one command line.

6Release 12.0(1)T

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Contents Feature Overview Cisco IOS Dhcp ServerBenefits Supported PlatformsSupported Standards, MIBs, and RFCs RFCsPrerequisites Dhcp Configuration Task ListExcluding IP Addresses Configuring a Dhcp Address PoolConfiguring the Dhcp Address Pool Subnet and Mask Configuring the NetBIOS Node Type for the Client Configuring Manual BindingsConfiguring a Dhcp Server Boot File Configuring the Number of Ping PacketsConfiguring the Timeout Value for Ping Packets Enabling the Cisco IOS Dhcp Server FeatureMonitoring and Maintaining the Dhcp Server Configuration Examples Dhcp Database Agent Configuration ExampleDhcp Address Pool Configuration Example Manual Bindings Configuration Example Manual Bindings Configuration ExampleCommand Reference Show atm vc begin PeakRate Bootfile Clear ip dhcp binding Clear ip dhcp conflict Clear ip dhcp server statistics Client-identifier Unique-identifierClient-name Default-router Dns-server Domain-name Hardware-address TypeHost Ip dhcp conflict logging ExampleTimeout seconds Ip dhcp databaseIp dhcp database Ip dhcp excluded-address Ip dhcp ping packets Ip dhcp ping timeout Ip dhcp pool Ip dhcp relay information check Ip dhcp relay information option Ip dhcp relay information policy DropLease Netbios-name-server Netbios-node-type Network Dhcp Next-server Option Ascii stringOption Service dhcp Show ip dhcp binding Router show ip dhcp bindingRelated Commands Show ip dhcp conflict Router show ip dhcp conflictShow ip dhcp database UrlShow ip dhcp database Show ip dhcp server statistics Router show ip dhcp server statisticsClear ip dhcp server statistics Debug Commands Debug ip dhcp server Router# debug ip dhcp server linkageGlossary

32369 specifications

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