Cisco cBR Series Configuration Manual page 27

Advanced-Mode DOCSIS Set-Top Gateway 1.2 for the Cisco CMTS Routers
DSG traffic and for each WAN interface that is connected to a network controller or Conditional Access (CA)
server that is forwarding IP multicast traffic.
Procedure
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Command or Action
configure terminal
Example:
Router# configure terminal
ip multicast-routing
Example:
Router(config)# ip multicast-routing
ip pim ssm {default | range{access-list |
word }}
Example:
Router(config)# ip pim ssm range 4
ip cef distributed
Example:
Router(config)# ip cef distributed
interface bundle bundle-number
Example:
Router(config)# interface bundle 10
ip pim {dense-mode | sparse-mode |
sparse-dense-mode}
Example:
Router(config-if)# ip pim dense-mode
Cisco cBR Series Converged Broadband Routers Application—Voice and Video Configuration Guide
Configuring IP Multicast Operations
Purpose
Enters global configuration mode.
Enables multicast routing on the router.
Defines the Source Specific Multicast (SSM) range
of IP multicast addresses. To disable the SSM range,
use the no form of this command.
When an SSM range of IP multicast addresses
Note
is defined by the ip pim ssm command, no
Multicast Source Discovery Protocol (MSDP)
Source-Active (SA) messages will be
accepted or originated in the SSM range.
Enables Cisco Express Forwarding (CEF) on the route
processor card. To disable CEF, use the no form of
this command.
For additional information about the ip cef command,
refer to the following document on Cisco.com:
• Cisco IOS Switching Services Command
Reference , Release 12.3
http://www.cisco.com/en/US/docs/ios/12_3/switch/
command/reference/swtch_r.html
Enters interface configuration mode for each interface
bundle being used for DSG traffic.
Enables Protocol Independent Multicast (PIM) on the
cable interface, which is required to use the DSG
feature:
You must configure this command on each
Note
interface that forwards multicast traffic.
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