Vlans And Private Vlans; Virtual Port Channels - Cisco Nexus 6000 Series Configuration Manual

Configuring the Fabric Extender
• Cisco Nexus B22 Fabric Extender for IBM (N2K-B22IBM-P)

VLANs and Private VLANs

The Fabric Extender supports Layer 2 VLAN trunks and IEEE 802.1Q VLAN encapsulation. Host interfaces
can be members of private VLANs with the following restrictions:
• You can configure a host interface as an isolated or community access port only.
• You cannot configure a host interface as a promiscuous port.
• You cannot configure a host interface as a private VLAN trunk port.
For more information about VLANs, see the chapter in this guide on Configuring VLANs.

Virtual Port Channels

With a virtual port channel (vPC), you can configure topologies where a Cisco Nexus Fabric Extender is
connected to a pair of parent switches or a pair of Fabric Extenders are connected to a single parent switch.
The vPC can provide multipath connections, which allow you to create redundancy between the nodes on
your network.
A port channel between two FEXs that are connected to the same Cisco Nexus device is not supported.
Note
Virtual port channels (vPCs) cannot span two different FEXs when connected to the same Cisco Nexus
device.
The following vPC topologies are possible with the Fabric Extender:
Cisco Nexus 6000 Series NX-OS Layer 2 Switching Configuration Guide, Release 7.x
VLANs and Private VLANs
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