Fortinet MR1 - Manual (Page 409)

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Syntax
ip pimdm
no ip pimdm
no - This command disables the administrative mode of PIM-DM in the router. IGMP must be enabled
before PIM-DM can be enabled.
Default Setting
Disabled
Command Mode
Global Config
7.4.2.2 ip pimdm mode
This command sets administrative mode of PIM-DM on an interface to enabled.
Syntax
ip pimdm mode
no ip pimdm mode
no - This command sets administrative mode of PIM-DM on an interface to disabled.
Default Setting
Disabled
Command Mode
Interface Config
7.4.2.3 ip pimdm query-interval
This command configures the transmission frequency of hello messages between PIM
enabled neighbors. This field has a range of 10 to 3600 seconds.