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Cisco Systems 32369 manual Debug Commands, debug ip dhcp server, Release 12.01T

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Debug Commands

This section describes the following new debug command:

•debug ip dhcp server

50Release 12.0(1)T

Page 50

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Cisco Systems 32369 manual Debug Commands, debug ip dhcp server, Release 12.01T

Contents

Feature Overview Cisco IOS DHCP ServerBeneﬁts Supported PlatformsRFC 2132, DHCP Options and BOOTP Vendor Extensions RFC 951, Bootstrap Protocol BOOTPRFC 1542, Clariﬁcations and Extensions for the Bootstrap Protocol Supported Standards, MIBs, and RFCsPrerequisites DHCP Conﬁguration Task ListConﬁguring a DHCP Address Pool Conﬁguring a DHCP Database Agent or Disabling DHCP Conﬂict LoggingExcluding IP Addresses timeout seconds write-delay secondsConﬁguring the Domain Name System IP Servers for the Client Conﬁguring the DHCP Address Pool Subnet and MaskConﬁguring the Domain Name for the Client 6 Release 12.01TConﬁguring Manual Bindings Conﬁguring the NetBIOS Node Type for the ClientConﬁguring the Default Router for the Client Conﬁguring the Address Lease Time8 Release 12.01T Configuring a DHCP Server Boot FileConﬁguring the Number of Ping Packets Monitoring and Maintaining the DHCP Server Conﬁguring the Timeout Value for Ping PacketsEnabling the Cisco IOS DHCP Server Feature DHCP Address Pool Conﬁguration Example Conﬁguration ExamplesDHCP Database Agent Conﬁguration Example Manual Bindings Conﬁguration Example Manual Bindings Configuration Exampledefault-router dns-server domain-name hardware-address host Command Referencebootﬁle clear ip dhcp binding clear ip dhcp conﬂict ip dhcp ping packets ip dhcp ping timeout ip dhcp poolcommand begin include exclude regular-expression show atm vc begin PeakRateCommand Modes bootﬁleDefaults Related Commandsaddress clear ip dhcp bindingclear ip dhcp binding address Clears all automatic bindingswant to clear clear ip dhcp conﬂictclear ip dhcp conﬂict address Clears all address conﬂictsCommand Modes clear ip dhcp server statisticsclear ip dhcp server statistics Related Commandsunique-identiﬁer client-identiﬁerclient-identiﬁer unique-identiﬁer no client-identiﬁer hardware-address host ip dhcp poolname client-nameclient-name name no client-name client name should not include the domain name. For example, theno default-router default-routerdefault-router address address2 ... address8 Speciﬁes the IP address of a router. One IP address is requiredno dns-server dns-serverdns-server address address2 ... address8 Speciﬁes the IP address of a DNS server. One IP address is requireddomain domain-namedomain-name domain no domain-name dns-server ip dhcp poolno hardware-address hardware-addresshardware-address hardware-address type hardware-addressno host hosthost address mask /preﬁx-length Speciﬁes the IP address of the clientip dhcp conﬂict logging no ip dhcp conﬂict logging ip dhcp conﬂict loggingExample clear ip dhcp conﬂict ip dhcp database show ip dhcp conﬂictstimeout period are aborted. By default, DHCP waits 300 seconds ip dhcp database url timeout seconds write-delay secondstimeout seconds write-delay secondsip dhcp database show ip dhcp databaseRelated Commands Cisco IOS DHCP Serverno ip dhcp excluded-address low-address high-address ip dhcp excluded-addressip dhcp excluded-address low-address high-address low-addressip dhcp ping packets address to a requesting client. The default value is two packetsclear ip dhcp conﬂicts ip dhcp ping timeout show ip dhcp conﬂicts ip dhcp ping packets count no ip dhcp ping packetsassignment. The maximum timeout is 10000 milliseconds ip dhcp ping timeoutip dhcp ping timeout milliseconds no ip dhcp ping timeout 10 seconds. The default timeout is 500 millisecondssuch as ip dhcp poolip dhcp pool name no ip dhcp pool name host ip dhcp excluded-address network DHCPip dhcp relay information option ip dhcp relay information policy ip dhcp relay information checkip dhcp relay information check no ip dhcp relay information check Defaultsip dhcp relay information check ip dhcp relay information policy ip dhcp relay information optionip dhcp relay information option no ip dhcp relay information option Defaultsno ip dhcp relay information policy ip dhcp relay information policyip dhcp relay information policy drop keep replace dropno lease leaselease days hoursminutes inﬁnite daysno netbios-name-server netbios-name-servernetbios-name-server address address2...address8 Speciﬁes the IP address of the NetBIOS WINS name serverip dhcp pool netbios-name-server netbios-node-typenetbios-node-type type no netbios-node-type Defaultsno network network DHCPnetwork network-number mask /preﬁx-length network-numbernext-server one command linebootﬁle ip dhcp pool ip helper-address option next-server address address2...address8no option code instance number optionoption code instance number ascii string hex string ip address codeoption Related Commandsip dhcp pool Cisco IOS DHCP ServerDefaults service dhcpservice dhcp no service dhcp Command ModesOptional Speciﬁes the IP address of the DHCP client for which show ip dhcp bindingshow ip dhcp binding address bindings will be displayedCommand Reference clear ip dhcp bindingRelated Commands 44 Release 12.01Tshow ip dhcp conﬂict address clear ip dhcp conﬂict ip dhcp ping packets ip dhcp ping timeoutshow ip dhcp conﬂict DefaultsDefaults show ip dhcp databaseshow ip dhcp database url Command Modesshow ip dhcp database ip dhcp databaseRelated Commands show ip dhcp database Field Descriptions continuedCommand Modes show ip dhcp server statisticsDefaults Syntax Descriptionshow ip dhcp server statistics Related Commandsclear ip dhcp server statistics show ip dhcp server statistics Field DescriptionsDebug Commands Debug Commandsdebug ip dhcp server 50 Release 12.01Tpackets debug ip dhcp serverevents linkageGlossary