Service Manual

Version Description
9.2(0.0) Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information This command configures an expiration timer for all S.G entries, unless they are assigned to an Extended ACL.
ip pim spt-threshold
To switch to the shortest path tree when the traffic reaches the specified threshold value, configure the PIM router.
Syntax
ip pim spt-threshold value | infinity
To return to the default value, use the no ip pim spt-threshold command.
Parameters
value (OPTIONAL) Enter the traffic value in kilobits per second. The default is 10 packets per
second. A value of zero (0) causes a switchover on the first packet.
infinity (OPTIONAL) Enter the keyword infinity to never switch to the source-tree.
Defaults Not configured.
Command Modes CONFIGURATION
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.2(0.0) Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information This command is applicable to last hop routers on the shared tree towards the rendezvous point (RP).
no ip pim snooping dr-flood
Disable the flooding of multicast packets to the PIM designated router.
Syntax
no ip pim snooping dr-flood
To re-enable the flooding of multicast packets to the PIM designated router, use the ip pim snooping dr-
flood command.
Defaults Enabled.
Command Modes CONFIGURATION
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.2(0.0) Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information
By default, when you enable PIM-SM snooping, a switch floods all multicast traffic to the PIM designated router
(DR), including unnecessary multicast packets. To minimize the traffic sent over the network to the designated
router, you can disable designated-router flooding.
950 PIM-Sparse Mode (PIM-SM)