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9.4.2 Configuration Commands
9.4.2.1 ip multicast
This command sets the administrative mode of the IP multicast forwarder in the router to active. For
multicast routing to become operational, IGMP must be currently enabled. An error message will be
displayed on the CLI if multicast routing is enabled while IGMP is disabled. However, the IP multicast
mode configuration is stored in the multicast configuration file and is automatically enabled once IGMP is
enabled.
Syntax
ip multicast
no ip multicast
no - This command sets the administrative mode of the IP multicast forwarder in the router to inactive
. For multicast routing to become operational, IGMP must be currently enabled. An error message will
be displayed on the CLI if multicast routing is enabled while IGMP is disabled. However, the IP
multicast mode configuration is stored in the multicast configuration file and is automatically enabled
once IGMP is enabled.
Default Setting
Disbaled
Command Mode
Global Config
9.4.2.2 ip mcast boundary
This command adds an administrative scope multicast boundary specified by <groupipaddr> and
<mask> for which this multicast administrative boundary is applicable. <groupipaddr> is a group IP
address and <mask> is a group IP mask.
Syntax
ip mcast boundary <groupipaddr> <mask>
no ip mcast boundary <groupipaddr> <mask>
<groupipaddr> - the multicast group address for the start of the range of addresses to be excluded.
The address must be in the range of 239.0.0.0 through 239.255.255.255.
<mask> - mask to be applied to the multicast group address.