Licensing Requirements; Prerequisites For Marking - Cisco Nexus 7000 Series Configuration Manual

Licensing Requirements

Table 15: Configurable Marking Features
Marking Feature
DSCP
IP precedence
CoS
QoS group
Discard class
Ingress and egress ports
Using table maps
Unless noted as a restriction, you can apply marking features to both incoming and outgoing packets.
Licensing Requirements
The QoS feature does not a require 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.
Using virtual device contexts (VDCs) requires an Advanced Services license.
For a complete explanation of the Cisco NX-OS licensing scheme, see the Cisco NX-OS Licensing Guide.

Prerequisites for Marking

Marking has the following prerequisites:
• You must be familiar with
Cisco Nexus 7000 Series NX-OS Quality of Service Configuration Guide
46
Description
Layer 3 DSCP.
Note
Layer 3 IP precedence.
Note
Layer 2 class of service (CoS).
Locally significant QoS values that can be
manipulated and matched within the system. The
range is from 1 to 126.
Locally significant values that can be matched and
manipulated within the system. The range is from 0
to 63.
If you manipulate this discard class value, you cannot
manipulate dscp values and vice-versa.
Status of the marking applies to incoming or outgoing
packets.
Method to use table maps for marking.
Using Modular QoS CLI, on page 9
Configuring Marking
If you manipulate this dscp value, you
cannot manipulate discard class values,
and vice-versa.
IP precedence uses only the lower three
bits of the type of service (ToS) field. The
device overwrites the first three bits of the
ToS field to 0.