High Availability For Switching; Virtualization Support For Layer 2 Switching; Licensing Requirements For Layer 2 Switching; Prerequisites For Configuring Mac Addresses - Cisco Nexus 7000 Series Configuration Manual

High Availability for Switching

High Availability for Switching
You can upgrade or downgrade the software seamlessly, with respect to classical Ethernet switching. Beginning
with Release 4.2(1), if you have configured static MAC addresses on Layer 3 interfaces, you must unconfigure
those ports in order to downgrade the software.
See the Cisco Nexus 7000 Series NX-OS High Availability and Redundancy Guide for complete information
Note
on high availability features.

Virtualization Support for Layer 2 Switching

The device supports virtual device contexts (VDCs), and the configuration and operation of the MAC address
table are local to the VDC.
Note See the Cisco Nexus 7000 Series NX-OS Virtual Device Context Configuration Guide for complete
information on VDCs and assigning resources.

Licensing Requirements for Layer 2 Switching

This table shows the licensing requirements for this feature:
Product
Cisco NX-OS
However, using VDCs requires an Advanced Services license.

Prerequisites for Configuring MAC Addresses

MAC addresses have the following prerequisites:
• You must be logged onto the device.
• If necessary, install the Advanced Services license and enter the desired VDC.
Cisco Nexus 7000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.x
12
Configuring Layer 2 Switching
License Requirement
Layer 2 switching require no license. Any feature not
included in a license package is bundled with the
Cisco NX-OS system images and is provided at no
extra charge to you. For a complete explanation of
the Cisco NX-OS licensing scheme, see the Cisco
NX-OS Licensing Guide.