H3C Technologies H3C S12500 Series Switches - Manual (Page 155)

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switched from the RPT to the SPT. By default, the receiver-side DR initiates a switchover to SPT process
upon receiving the first multicast packet.
Perform the following configuration on routers that might become receiver-side DRs and on C-RP routers.
To configure switchover to SPT:
Step Command Remarks
1. Enter system view. system-view N/A
2. Enter public network PIM view
or VPN instance PIM view.
pim [ vpn-instance
vpn-instance-name ]
N/A
3. Configure the switchover to
SPT.
spt-switch-threshold infinity
[ group-policy acl-number
[ order order-value] ]
Optional.
By default, the switch switches to the
SPT immediately after it receives the
first multicast packet from the RPT.
4. Configure the interval of
checking the traffic rate
threshold before initiating a
switchover to SPT.
timer spt-switch interval
Optional.
15 seconds by default.
Configuring BIDIR-PIM
BIDIR-PIM configuration task list
Task Remarks
Enabling PIM-SM Required.
Enabling BIDIR-PIM Required.
Configuring an RP
Configuring a static RP Use at least one
method. In a
network with a static
RP, skip the task of
configuring a BSR.
Configuring a C-RP
Enabling auto-RP
Configuring C-RP timers globally Optional.
Configuring a BSR
Configuring a C-BSR Required.
Configuring a BIDIR-PIM domain border Optional.
Configuring global C-BSR parameters Optional.
Configuring C-BSR timers Optional.
Disabling BSM semantic fragmentation Optional.
Configuring an admin-scoped zone
boundary
Enabling administrative scoping Optional.
Configuring administrative scoping Optional.
Configuring C-BSRs for each admin-scoped
zone and the global-scoped zone
Optional.
Configuring PIM common features Optional.