Quality of Service Guide 77
Network QoS Policies
In This Section
This section provides information to configure network QoS policies using the command line
interface.
Topics in this section include:
• Overview
• Basic Configurations
• Default Network Policy Values
• Service Management Tasks
Overview
The ingress component of the policy defines how DiffServ code points (DSCPs) and MPLS
EXP bits are mapped to internal forwarding class and profile state. The forwarding class and
profile state define the Per Hop Behavior (PHB) or the QoS treatment through the router. The
mapping on each network interface defaults to the mappings defined in the default network
QoS policy until an explicit policy is defined for the network interface.
The egress component of the network QoS policy defines the DiffServ oriented queuing
parameters associated with each forwarding class.
Each forwarding class defined within the system automatically creates a queue on each
network interface. This queue gets all the parameters defined within the default network QoS
policy 1 until an explicit policy is defined for the network interface.
If the egressing packet originated on an ingress SAP, or the remarking parameter is defined
for the egress interface, the egress QoS policy also defines the IP DSCP or MPLS EXP bit
marking based on the forwarding class and the profile state.
To Next Page
Loading...
