Restrictions For Marking Network Traffic - Cisco Catalyst 4500 series Administration Manual

Configuring VSS QoS
Figure 42-3

Restrictions for Marking Network Traffic

The following restrictions apply to the following packet marking action:
•
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, and CoS can all be set together, using either explicit or tablemap-based marking.
When using unconditional explicit marking of multiple fields or policer-based multi-field, multi-region
Note
(conform/exceed/violate) marking the number of table maps that can be setup in TOS or COS marking
tables will be less than the maximum supported.
Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)E
42-22
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
Only explicit marking is supported for policer-based marking.
Yes
Create a table map
Yes
Chapter 42 Configuring Quality of Service
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