Restrictions For Marking Network Traffic - Cisco Catalyst 4500 Series Software Configuration Manual

Configuring QoS on a Standalone Supervisor Engine 6-E/6L-E or Supervisor Engine 7-E/7L-E/8-E
Figure 44-5

Restrictions for Marking Network Traffic

The following restrictions apply to packet marking actions:
•
•
Multi-attribute Marking Support
The supervisor engine can mark more than one QoS attribute of a packet matching a class of traffic. For
example, DSCP, CoS, and QoS-group can all be set together, using either explicit or tablemap-based
marking.
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
44-56
Traffic marking Procedure Flowchart
Start
Create a class map
No
Using a
table map?
Create a policy map
Create
No
additional
policy
maps?
Attach policy map(s)
to interface
Finish
QoS-group can be marked only in the input direction and can only support unconditional explicit
marking.
Only explicit marking is supported for policer-based marking.
Yes
Create a table map
Yes
Chapter 44 Configuring Quality of Service