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6-14
Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x
OL-23435-03
Chapter 6 Configuring Port Channels
Licensing Requirements for Port Channeling
Beginning with Cisco NX-OS Release 5.1, the port channel goes down if the operational ports fall below
the configured minlink number.
Note See the Cisco Nexus 7000 Series NX-OS High Availability and Redundancy Guide, Release 5.x, for
complete information on high-availability features.
Licensing Requirements for Port Channeling
The following table shows the licensing requirements for this feature:
However, using VDCs requires an Advanced
Services license.
Prerequisites for Port Channeling
Port channeling has the following prerequisites:
• You must be logged onto the device.
• If necessary, install the Advanced Services license and enter the desired VDC.
• All ports in the channel group must be in the same VDC.
• All ports for a single port channel must be either Layer 2 or Layer 3 ports.
• All ports for a single port channel must meet the compatibility requirements. See the “Compatibility
Requirements” section on page 6-5 for more information on the compatibility requirements.
• You must configure load balancing from the default VDC.
Guidelines and Limitations
Port channeling has the following configuration guidelines and limitations:
• You must enable LACP before you can use that feature.
• You can configure multiple port channels on a device.
• Do not put shared and dedicated ports into the same port channel. (See Chapter 2, “Configuring
Basic Interface Parameters,” for information on shared and dedicated ports.)
• For Layer 2 port channels, ports with different STP port path costs can form a port channel if they
are compatibly configured with each other. See “Compatibility Requirements” section on page 6-5
for more information on the compatibility requirements.
Product License Requirement
Cisco NX-OS Port channeling requires 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 NX-OS
licensing scheme, see the Cisco NX-OS Licensing Guide.
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