432 | OSPF Commandsw w w . d e l l . c o m | s u p p o r t . d e l l . c o m If the value of limit is -1, then there is no limit. The range for limit is -1 to 2147483647.Default -1Router OSPF Configip ospf This command enables OSPF on a router interface.Syntax [no] ip ospfThe no version of this command disables OSPF on a router interface.Default disabledMode Interface Config (including Interface Loopback Config mode) or Interface VLAN; Interface Range,which is indicated by the (conf-if-range-interface)# prompt, such as (conf-if-range-vlan 10-20)#.CommandHistoryCommandHistoryip ospf areaidThis command sets the OSPF area to which the specified router interface belongs.Syntax ip ospf areaid areaidThe value for areaid is an IP address, formatted as a 4-digit dotted-decimal number thatuniquely identifies the area to which the interface connects. Assigning an area ID that doesnot exist on an interface causes the area to be created with default values.Mode Interface Config or Interface VLAN; Interface Range, which is indicated by the(conf-if-range-interface)# prompt, such as (conf-if-range-vlan 10-20)#.CommandHistoryVersion 2.3 Added Interface Range and Interface VLAN modes.RelatedCommandsinterface range Defines an interface range and accesses the Interface Range modeVersion 2.5 Modified: Added Interface Loopback Config mode.Version 2.3 Modified: Added Interface VLAN as a mode.Version 2.3 Added Interface Range and Interface VLAN modes.RelatedCommandsinterface range Defines an interface range and accesses the Interface Range modeinterface vlan Creates a VLAN or selects an existing one and enters the Interface VLAN mode.