interfaceConfigure the primary, secondary, and control-vlan interfaces.C9000 SeriesSyntax interface {primary interface secondary interface control-vlanvlan-id}To return to the default, use the no interface {primary interface secondaryinterface control-vlan vlan-id} command.Parameters primary interface Enter the keyword primary to configure the primary interfacethen one of the following interfaces and slot/port information:• Fast Ethernet interface: enter the keywordFastEthernet then the slot/port information.• Port Channel interface: enter the keyword port-channel then a number. The range is from 1 to 128.• 10-Gigabit Ethernet interface: enter the keywordTenGigabitEthernet then the slot/port information• 40-Gigabit Ethernet interface: enter the keywordfortyGigE then the slot/port informationsecondaryinterfaceEnter the keyword secondary to configure the secondaryinterface then one of the following interfaces and slot/portinformation:• Fast Ethernet interface: enter the keywordFastEthernet then the slot/port information.• Port Channel interface: enter the keyword port-channel then a number. The range is from 1 to 128.• 10-Gigabit Ethernet interface: enter the keywordTenGigabitEthernet then the slot/port information• 40-Gigabit Ethernet interface: enter the keywordfortyGigE then the slot/port informationcontrol-vlan vlan-idEnter the keyword control-vlan then the VLAN ID. The rangeis from 1 to 4094.Defaults noneCommand Modes CONFIGURATION (conf-frrp)Force10 OS Resilient Ring Protocol (FRRP) 888