UsageInformationYou cannot delete the Null interface. The only configuration command possible ina Null interface is ip unreachables.Example Dell(conf)#interface null 0Dell(conf-if-nu-0)#RelatedCommandsinterface — configures a physical interface.interface loopback — configures a Loopback interface.interface port-channel — configures a port channel.interface vlan — configures a VLAN.ip unreachables — enables generation of internet control message protocol (ICMP)unreachable messages.interface rangeThis command permits configuration of a range of interfaces to which subsequent commands areapplied (bulk configuration). Using the interface range command, you can enter identical commandsfor a range of interface.S4810Syntax interface range interface, interface,...Parameters interface,interface,...Enter the keywords interface range and one of theinterfaces — slot/port, port-channel, or VLAN number. Selectthe range of interfaces for bulk configuration. You can enterup to six comma-separated ranges. Spaces are not requiredbetween the commas. Comma-separated ranges caninclude VLANs, port-channels, and physical interfaces.Slot/Port information must contain a space before and afterthe dash. For example, interface rangegigabitethernet 0/1 - 5 is valid; interface rangegigabitethernet 0/1-5 is NOT valid.• For a Port Channel interface, enter the keywords port-channel then a number. The range is from 1 to 128.• For a 10-Gigabit Ethernet interface, enter the keywordTenGigabitEthernet then the slot/port information.• For a 40-Gigabit Ethernet interface, enter the keywordfortyGigE then the slot/port information.• For a VLAN interface, enter the keyword vlan then anumber from 1 to 4094.• For a Tunnel interface, enter the keyword Tunnel then anumber from 1 to 16383.748 Interfaces