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To do... Use the command... Remarks
Enter public network PIM view or
VPN instance PIM view
pim [ vpn-instance vpn-instance-
name ]
—
Configure a filtering rule for
register messages
register-policy acl-number
Optional
No register filtering rule by
default.
Configure the device to calculate
the checksum based on the entire
register messages
register-whole-checksum
Optional
By default, the checksum is
calculated based on the header of
register messages
Configure the register suppression
time
register-suppression-timeout
interval
Optional
60 seconds by default
Configure the register probe time
probe-interval interval
Optional
5 seconds by default
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... Use the command... Remarks
Enter system view
system-view —
Enter public network PIM view or
VPN instance PIM view
pim [ vpn-instance vpn-
instance-name ]
—
Disable the SPT switchover
spt-switch-threshold infinity [
group-policy acl-number [
order order-value] ]
Optional
By default, the device switches to the
SPT immediately after it receives the
first multicast packet.
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.
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