Disabling Spt Switchover - HP A5500 SI Switch Series Configuration Manual

To do...
Enter public network PIM view or
VPN instance PIM view
Configure a filtering rule for
register messages
Configure the device to calculate
the checksum based on the entire
register messages
Configure the register suppression
time
Configure the register probe time

Disabling SPT switchover

If an A5500 EI switch acts as an RP or the receiver-side DR, it initiates an STP switchover process by
default upon receiving the first multicast packet along the RPT. You can disable the switchover from RPT
to SPT.
Follow these steps to configure SPT switchover:
To do...
Enter system view
Enter public network PIM view or
VPN instance PIM view
Disable the SPT switchover
NOTE:
For an A5500 EI switch, once a multicast forwarding entry is created, subsequent multicast data will
not be encapsulated in register messages before being forwarded even if a register outgoing interface
is available. To avoid forwarding failure, do not use the spt-switch-threshold infinity command on a
switch that might become an RP—namely, a static RP or a C-RP.
Use the command...
pim [ vpn-instance vpn-instance-
name ]
register-policy acl-number
register-whole-checksum
register-suppression-timeout
interval
probe-interval interval
Use the command...
system-view
pim [ vpn-instance vpn-
instance-name ]
spt-switch-threshold infinity [
group-policy acl-number [
order order-value] ]
142
Remarks
—
Optional
No register filtering rule by
default.
Optional
By default, the checksum is
calculated based on the header of
register messages
Optional
60 seconds by default
Optional
5 seconds by default
Remarks
—
—
Optional
By default, the device switches to the
SPT immediately after it receives the
first multicast packet.