Configuring Classification Using Port Trust States; Configuring The Trust State On Ports Within The Qos Domain - Cisco Catalyst 2950 Software Configuration Manual

Configuring Standard QoS
Table 29-5
Policy-Map Conditions
When the packet is in profile.
When the packet is out of profile and the
out-of-profile action is to mark down the DSCP
value.
When the packet is out of profile and the
out-of-profile action is to drop the packet.

Configuring Classification Using Port Trust States

This section describes how to classify incoming traffic by using port trust states:
•
•
•
•
Both the SI and EI support this feature.
Note

Configuring the Trust State on Ports within the QoS Domain

Packets entering a QoS domain are classified at the edge of the QoS domain. When the packets are
classified at the edge, the switch port within the QoS domain can be configured to one of the trusted
states because there is no need to classify the packets at every switch within the QoS domain.
shows a sample network topology.
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
29-20
Interaction Between Policy Maps and Security ACLs
Configuring the Trust State on Ports within the QoS Domain, page 29-20
Configuring the CoS Value for an Interface, page 29-22
Configuring Trusted Boundary, page 29-23
Enabling Pass-Through Mode, page 29-25
Chapter 29
Security-ACL
Conditions Action
Permit specified Traffic is forwarded.
packets.
Drop specified Traffic is dropped.
packets.
Permit specified Traffic is dropped.
packets.
Drop specified Traffic is dropped.
packets.
Configuring QoS
Figure 29-4
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