8-3
Classifier-Based Software Configuration
Traffic Classes
• Quality of Service (policy qos command)
• Port and VLAN mirroring (policy mirror command)
• Policy Based Routing (policy pbr command)
4. Assign the policy to an inbound port or VLAN interface using the interface
service-policy in or vlan service-policy in command.
Figure 8-1 shows an overview of traffic class-based software configuration.
Figure 8-1. Traffic Class-Based Configuration Model
ignore Commands
2. Configure a traffic
class (IPv4 or IPv6)
1. Determine the traffic
you want to manage
match Commands
QoS (policy qos)
3. Configure a policy
for one or more traffic
classes
Mirroring (policy mirror)
rate-limit Command
priority Command
ip-precedence Command
dscp Command
4. Apply a service
policy to an interface
VLANs
Ports
destination Command
Default class (at end of
policy configuration)
default-class action
Command
PBR (Policy Based
Routing)
next hop or
destination tunnel
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