R2511-HP MSR Router Series IP Multicast Configuration Guide(V5)

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Configure a filtering rule for register messages on all C-RP routers and configure them to calculate the
checksum based on the entire register messages. Configure the register suppression time and the register
probe time on all routers that might become source-side DRs.
To configure register-related parameters:
Ste
p
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 a filtering rule for
register messages.
register-policy acl-number
Optional.
No register filtering rule by default.
4. 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.
5. Configure the register
suppression time.
register-suppression-timeout
interval
Optional.
60 seconds by default.
6. Configure the register probe
time.
probe-interval interval
Optional.
5 seconds by default.
Configuring switchover to SPT
Both the receiver-side DR and the RP can periodically check the traffic rate of passing-by multicast packets
and thus trigger a switchover to SPT.
Perform the following configuration on routers that might become receiver-side DRs and on C-RP routers.
To configure SPT switchover:
Ste
p
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 criteria for
triggering a switchover to SPT.
spt-switch-threshold { traffic-rate
| 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.
If the multicast source is learned
through MSDP, the device will switch
to the SPT immediately after it
receives the first multicast packet, no
matter how big the traffic rate
threshold is set.
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.