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This chapter describes the Cisco NX-OS virtual port channel (vPC) commands that begin with F.
To enable Adapter Fabric Extender (Adapter-FEX), use the feature adapter-fex command. To disable Adapter-FEX, use the no form of this command.
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Before you disable this feature on the switch, make sure you remove all virtual Ethernet interface configurations on the switch and change the port mode to access by using the switchport mode access command. If you attempt to disable the Adapter-FEX feature with virtual Ethernet interface configurations enabled, the switch returns an error message.
This example shows how to enable the Adapter-FEX on the switch:
This example shows how to disable Adapter-FEX on the switch:
This example shows the error message that appears when you attempt to disbale NIV on a switch with virtual Ethernet interface configurations enabled:
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Displays whether or not Adapter-FEX is enabled on the switch. |
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Configures the interface as a nontrunking nontagged single-VLAN Ethernet interface. |
To enable a virtual port channel (vPC), which allows links that are physically connected to two different Cisco Nexus devices to appear as a single port channel to a third device, use the feature vpc command. To disable vPC on the switch, use the no form of this command.
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In a vPC configuration, the third device can be a Cisco Nexus 2000 Series Fabric Extender, switch, server, or any other networking device.
This example shows how to enable vPC on the switch:
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