Cisco Catalyst 4500 Series - Restrictions for Marking Network Traffic

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42-22

Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)E

OL_28731-01

Chapter 42 Configuring Quality of Service

Configuring VSS QoS

Figure 42-3 Traffic marking Procedure Flowchart

Restrictions for Marking Network Traffic

The following restrictions apply to the following packet marking action:

• Only explicit marking is supported for policer-based marking.

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.

Note When using unconditional explicit marking of multiple fields or policer-based multi-field, multi-region

(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.

127073

Create a class map

Using a

table map?

No Yes

Create a policy map

Attach policy map(s)

to interface

Create a table map

Start

Finish

Create

additional

policy

maps?

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