Cisco Nexus 5600 Series Reference page 369

Chapter I Commands
ip pim use-shared-tree-only
To create the IPv4 Protocol Independent Multicast (PIM) (*, G) state only (where no source state is
created), use the ip pim use-shared-tree-only command. To remove the creation of the shared tree state
only, use the no form of this command.
Syntax Description
policy-name
Command Default
None
Command Modes
Global configuration mode
VRF configuration mode
Supported User Roles
network-admin
vdc-admin
Command History Release
6.0(2)N1(1)
Usage Guidelines
You can use the match ip multicast command in a route-map policy to specify the groups where shared
trees should be enforced.
This command requires the LAN Base Services license.
Note
The ip pim use-shared-tree-only group-list command performs the same function as the ip pim
spt-threshold infinity group-list command. You can choose to use either command to implement this
task.
Examples
This example shows how to create the PIM (*, G) state only for the group prefixes defined in
my_group_policy:
switch(config)# ip pim use-shared-tree-only group-list my_group_policy
This example shows how to remove the creation of the (*, G) state only:
switch(config)# no ip pim use-shared-tree-only
OL-31626-01
ip pim use-shared-tree-only group-list policy-name
no ip pim use-shared-tree-only [group-list policy-name]
Route-map policy name that defines the group prefixes where this feature is applied.
Modification
This command was introduced.
Cisco Nexus 5600 Series NX-OS Multicast Routing Command Reference
ip pim use-shared-tree-only
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