Cisco Catalyst 4500 Series - Restrictions for Marking Network Traffic

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Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex

Chapter 44 Configuring Quality of Service

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

Figure 44-5 Traffic marking Procedure Flowchart

Restrictions for Marking Network Traffic

The following restrictions apply to packet marking actions:

• 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.

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.

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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