Chapter 25: Multicast
STANDARD Revision 1.0
C4® CMTS Release 8.3 User Guide
© 2016 ARRIS Enterprises LLC. All Rights Reserved.
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Purpose
CLI Command
Display the source memberships status
for each group membership.
show ip igmp interfaces detail
Allow the C4/c CMTS to use IP Multicast
for MDF-disabled mode.
configure interface cable-mac <mac> cable mcast-fwd-by-dsid [no]
PIM-Related Commands
Change the PIM DR priority, where higher
is better. Default = 1
configure interface <int> ip pim dr-priority <priority>
Change how often PIM sends out hello
messages. Default = 30
configure interface <int> ip pim query-interval <seconds>
Change how often PIM neighbors hold
advertised join/prune. Default = 210
configure interface <int> ip pim message-holdtime <seconds>
Change how often PIM sends join/prune
messages. Default = 60
configure interface <int> ip pim message-interval <seconds>
Change what PIM advertises in the hold
time option in hello messages.
Default = 105
configure interface <int> ip pim hello-time <seconds>
Enables PIM-SSM on an interface.
configure interface <int> ip pim sparse-mode-ssm [passive]
Turns on multicast routing before PIM-
SSM can be enabled.
configure ip multicast-routing
Displays the current interfaces for which
PIM is configured.
show ip pim interfaces
Displays learned PIM neighbors.
show ip pim neighbor
Displays learned PIM multicast routes.
show ip mroute