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

Chapter 40 Configuring Quality of Service
Figure 40-3

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.
OL-25340-01
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
Software Configuration Guide—Release IOS XE 3.3.0SG and IOS 15.1(1)SG
Configuring QoS
40-21