3Com S7906E Command Reference Manual page 1202

Description
Use the register-policy command to configure an ACL rule to filter register messages.
Use the undo register-policy command to remove the configured register filtering rule.
By default, no register filtering rule is configured.
Related commands: register-suppression-timeout.
Examples
# In the public instance configure the RP to accept only those register messages from multicast sources
on the subnet of 10.10.0.0/16 for multicast groups on the subnet of 225.1.0.0/16.
<Sysname> system-view
[Sysname] acl number 3000
[Sysname-acl-adv-3000] rule permit ip source 10.10.0.0 0.0.255.255 destination 225.1.0.0
0.0.255.255
[Sysname-acl-adv-3000] quit
[Sysname] pim
[Sysname-pim] register-policy 3000
register-suppression-timeout (PIM view)
Syntax
register-suppression-timeout interval
undo register-suppression-timeout
View
Public instance PIM view, VPN instance PIM view
Default Level
2: System level
Parameters
interval: Register suppression time in seconds, in the range of 1 to 3,600.
Description
Use the register-suppression-timeout command to configure the register suppression time.
Use the undo register-suppression-timeout command to restore the system default.
By default, the register suppression time is 60 seconds.
Related commands: probe-interval, register-policy.
Examples
# Set the register suppression time to 70 seconds in the public instance.
<Sysname> system-view
[Sysname] pim
[Sysname-pim] register-suppression-timeout 70
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