Manuals / Cisco Systems / Computer Equipment / Network Card

Cisco Systems 32369 manual Supported Standards, MIBs, and RFCs, RFC 951, Bootstrap Protocol BOOTP

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•Cisco MC3810 series

•Cisco 4000 series

•Cisco AS5100 access server

•Cisco AS5200 universal access server

•Cisco AS5300 universal access server

•Cisco 7000 series

•Cisco 7100 series

•Cisco 7200 series

•Cisco MGX 8800 with an installed Route Processor Module

•Cisco 12000 series

•Cisco uBR900 series

•Cisco uBR7200 series

Supported Standards, MIBs, and RFCs

Standards

No new or modiﬁed standards are supported by this feature.

MIBs

No new or modiﬁed MIBs are supported by this feature.

For descriptions of supported MIBs and how to use MIBs, see the Cisco MIB web site on CCO at http://www.cisco.com/public/sw-center/netmgmt/cmtk/mibs.shtml.

RFCs

•RFC 951, Bootstrap Protocol (BOOTP)

•RFC 1542, Clariﬁcations and Extensions for the Bootstrap Protocol

•RFC 2131, Dynamic Host Conﬁguration Protocol

•RFC 2132, DHCP Options and BOOTP Vendor Extensions

Cisco IOS DHCP Server 3

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Cisco Systems 32369 manual Supported Standards, MIBs, and RFCs, RFC 951, Bootstrap Protocol BOOTP

Contents

Cisco IOS DHCP Server Feature OverviewSupported Platforms BeneﬁtsSupported Standards, MIBs, and RFCs RFC 951, Bootstrap Protocol BOOTPRFC 1542, Clariﬁcations and Extensions for the Bootstrap Protocol RFC 2132, DHCP Options and BOOTP Vendor ExtensionsDHCP Conﬁguration Task List Prerequisitestimeout seconds write-delay seconds Conﬁguring a DHCP Database Agent or Disabling DHCP Conﬂict LoggingExcluding IP Addresses Conﬁguring a DHCP Address Pool6 Release 12.01T Conﬁguring the DHCP Address Pool Subnet and MaskConﬁguring the Domain Name for the Client Conﬁguring the Domain Name System IP Servers for the ClientConﬁguring the Address Lease Time Conﬁguring the NetBIOS Node Type for the ClientConﬁguring the Default Router for the Client Conﬁguring Manual BindingsConfiguring a DHCP Server Boot File Conﬁguring the Number of Ping Packets8 Release 12.01T Conﬁguring 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 Exampleip dhcp ping packets ip dhcp ping timeout ip dhcp pool Command Referencebootﬁle clear ip dhcp binding clear ip dhcp conﬂict default-router dns-server domain-name hardware-address hostshow atm vc begin PeakRate command begin include exclude regular-expressionRelated Commands bootﬁleDefaults Command ModesClears all automatic bindings clear ip dhcp bindingclear ip dhcp binding address addressClears all address conﬂicts clear ip dhcp conﬂictclear ip dhcp conﬂict address want to clearRelated Commands clear ip dhcp server statisticsclear ip dhcp server statistics Command Modeshardware-address host ip dhcp pool client-identiﬁerclient-identiﬁer unique-identiﬁer no client-identiﬁer unique-identiﬁerclient name should not include the domain name. For example, the client-nameclient-name name no client-name nameSpeciﬁes the IP address of a router. One IP address is required default-routerdefault-router address address2 ... address8 no default-routerSpeciﬁes the IP address of a DNS server. One IP address is required dns-serverdns-server address address2 ... address8 no dns-serverdns-server ip dhcp pool domain-namedomain-name domain no domain-name domainhardware-address hardware-addresshardware-address hardware-address type no hardware-addressSpeciﬁes the IP address of the client hosthost address mask /preﬁx-length no hostclear ip dhcp conﬂict ip dhcp database show ip dhcp conﬂicts ip dhcp conﬂict loggingExample ip dhcp conﬂict logging no ip dhcp conﬂict loggingwrite-delay seconds ip dhcp database url timeout seconds write-delay secondstimeout seconds timeout period are aborted. By default, DHCP waits 300 secondsCisco IOS DHCP Server show ip dhcp databaseRelated Commands ip dhcp databaselow-address ip dhcp excluded-addressip dhcp excluded-address low-address high-address no ip dhcp excluded-address low-address high-addressip dhcp ping packets count no ip 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 packets10 seconds. The default timeout is 500 milliseconds ip dhcp ping timeoutip dhcp ping timeout milliseconds no ip dhcp ping timeout assignment. The maximum timeout is 10000 millisecondshost ip dhcp excluded-address network DHCP ip dhcp poolip dhcp pool name no ip dhcp pool name such asDefaults ip dhcp relay information checkip dhcp relay information check no ip dhcp relay information check ip dhcp relay information option ip dhcp relay information policyDefaults ip dhcp relay information optionip dhcp relay information option no ip dhcp relay information option ip dhcp relay information check ip dhcp relay information policydrop ip dhcp relay information policyip dhcp relay information policy drop keep replace no ip dhcp relay information policydays leaselease days hoursminutes inﬁnite no leaseSpeciﬁes the IP address of the NetBIOS WINS name server netbios-name-servernetbios-name-server address address2...address8 no netbios-name-serverDefaults netbios-node-typenetbios-node-type type no netbios-node-type ip dhcp pool netbios-name-servernetwork-number network DHCPnetwork network-number mask /preﬁx-length no networknext-server address address2...address8 one command linebootﬁle ip dhcp pool ip helper-address option next-servercode optionoption code instance number ascii string hex string ip address no option code instance numberCisco IOS DHCP Server Related Commandsip dhcp pool optionCommand Modes service dhcpservice dhcp no service dhcp Defaultsbindings will be displayed show ip dhcp bindingshow ip dhcp binding address Optional Speciﬁes the IP address of the DHCP client for which44 Release 12.01T clear ip dhcp bindingRelated Commands Command ReferenceDefaults clear ip dhcp conﬂict ip dhcp ping packets ip dhcp ping timeoutshow ip dhcp conﬂict show ip dhcp conﬂict addressCommand Modes show ip dhcp databaseshow ip dhcp database url Defaultsshow ip dhcp database Field Descriptions continued ip dhcp databaseRelated Commands show ip dhcp databaseSyntax Description show ip dhcp server statisticsDefaults Command Modesshow ip dhcp server statistics Field Descriptions Related Commandsclear ip dhcp server statistics show ip dhcp server statistics50 Release 12.01T Debug Commandsdebug ip dhcp server Debug Commandslinkage debug ip dhcp serverevents packetsGlossary