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DHCP Commands

XSR CLI Reference Guide 15-93

Default

DCHPClientisnotactiveonaninterface

Mode

Interfaceconfiguration:XSR(config-if<xx>)#

Example

ThefollowingexampleenablesDHCPClient:

XSR(config)#interface FastEthernet1

XSR(config-if<F1>)#ip address dhcp

ip dhcp ping packets

ThiscommandspecifiesthenumberofpacketsaDHCPserversendstoanIPaddressaspartofa

pingoperation.TheDHCPserverpingsanIPaddressbeforeassigningtheaddresstoarequesting

client.Ifthepingisunanswered,theDHCPserverassumesthattheaddressisnotin

useand

assignstheaddresstotherequestingclient.Settingthenumberargumenttoavalueof0turnsoff

theDHCPserverpingoperationcompletely.

Syntax

ip dhcp ping packets number

Syntax of the “no” Form

UsethenoformofthiscommandtopreventtheserverfrompingingIPaddresses:

no ip dhcp ping packets

Default

Twopackets

Mode

Globalconfiguration:XSR(config)#

Example

Thefollowingexamplespecifies sixpingattempts bytheDHCPservertowardanIPaddress

beforestoppinganyfurtherpingattempts:

XSR(config)#ip dhcp ping packets 6

ip dhcp ping timeout

ThiscommandspecifieshowlongaDHCPserverwaitsforapingreplyfromanIPaddress.

number Sum of ping packets sent before assigning the address to a requesting client.

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