Defaults Disabled.
Command Modes CONFIGURATION
Command History
Version 6.3.1.0 Introduced on the E-Series.
Usage
Information
By default, one port channel member is chosen to forward multicast traffic. With this feature
turned on, multicast traffic is distributed among the port channel members in a round-robin
fashion. This feature applies to the routed multicast traffic. If you turn on internet group
management protocol (IGMP) snooping, this feature also applies to switched multicast traffic.
Related
Commands
ip multicast-limit – enables IP multicast forwarding.
ip multicast-limit
Use this feature to limit the number of multicast entries on the system.
C-Series, E-Series, S-Series, Z-Series, S4810
Syntax
ip multicast-limit limit
Parameters
limit
Enter the desired maximum number of multicast entries on the
system. The E-Series range is 50000, the C-Series range is 1 to 10000,
and the S-Series range is 1 to 2000.
Defaults
• E-Series Default: 15000.
• C-Series Default: 4000.
• S-Series Default: 400.
Command Modes CONFIGURATION
Command History
Version 8.3.7.0 Introduced on the S4810.
Version 7.8.1.0 Introduced on the C-Series.
Version 7.6.1.0 Introduced on the E-Series.
Usage
Information
This features allows you to limit the number of multicast entries on the system. This number is
the sum total of all the multicast entries on all line cards in the system. On each line card, the
multicast module only installs the maximum possible number of entries, depending on the
configured CAM profile.
Use the IN-L3-McastFib CAM partition to store multicast routes. It is a separate hardware limit
that exists per port-pipe. Any software-configured limit might be superseded by this hardware
space limitation. The opposite is also true, the CAM partition might not be exhausted at the
time the system-wide route limit set by the ip multicast-limit command is reached.
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