How to Configure Advanced-Mode DSG Issue 1.2
Advanced-mode DSG Issue 1.2 entails support for DSG tunnel configuration, to include global, WAN-side,
and interface-level settings in support of Multicast.
Configuring the Default Multicast Quality of Service
According to DOCSIS 3.0, you must configure the default multicast quality of service (MQoS) when using
the MQoS. This also applies to the DSG, which uses the MQoS by associating a service class name with the
tunnel.
If the default MQoS is not configured, the DSG tunnel service class configuration is rejected. Similarly, if no
DSG tunnel uses the MQoS, you are prompted to remove the default MQoS.
The CMTS selects the primary downstream channel to forward the multicast traffic when the default MQoS
is configured and there is no matching MQoS group configuration. Otherwise, the wideband interface is used
to forward the multicast traffic.
Procedure
PurposeCommand or Action
Enables privileged EXEC mode.enable
Step 1
Example:
Router> enable
•
Enter your password if prompted.
Enters global configuration mode.configure terminal
Example:
Router# configure terminal
Step 2
Example:
Router(config)#
Configures a service class name for the
QoS profile.
cable multicast group-qos default scn
service-class-name aggregate
Example:
Router(config)# cable multicast group-qos
default scn name1 aggregate
Step 3
Returns to privileged EXEC mode.end
Example:
Router(config)# end
Step 4
Cisco cBR Series Converged Broadband Routers Application—Voice and Video Configuration Guide
14
Advanced-Mode DOCSIS Set-Top Gateway 1.2 for the Cisco CMTS Routers
How to Configure Advanced-Mode DSG Issue 1.2
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