HP VPN Firewall Appliances Network Management Configuration Guide

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message during the register probe time, it will reset its register-stop timer. Otherwise, the DR starts
sending register messages with encapsulated data again when the register-stop timer expires.
The register-stop timer is set to a random value chosen uniformly from the interval (0.5 times
register_suppression_time, 1.5 times register_suppression_time) minus register_probe_time.
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.
pim 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.
pim N/A
3. Configure the criteria for
triggering a switchover to SPT.
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.
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.