3com MSR 20-20 참조 매뉴얼

ssm-policy acl-number

Public instance PIM view, VPN instance PIM view

acl-number: Basic ACL number, in the range of 2000 to 2999.

Use the ssm-policy command to configure the SSM group range.

Use the undo ssm-policy command to restore the system default.

By default, the SSM group range is 232.0.0.0/8.

This command allows you to define an address range of permitted or denied 
multicast sources or groups. If the match succeeds, the multicast mode will be 
PIM-SSM; otherwise the multicast mode will be PIM-SM.

# Configure the SSM group range to be 232.1.0.0/16 in the public instance.

<Sysname> system-view

[Sysname] acl number 2000

[Sysname-acl-basic-2000] rule permit source 232.1.0.0 0.0.255.255

[Sysname-acl-basic-2000] quit

[Sysname] pim

[Sysname-pim] ssm-policy 2000 

state-refresh-interval interval

Public instance PIM view, VPN instance PIM view

interval: State refresh interval in seconds, with an effective range of 1 to 255.

Use the state-refresh-interval command to configure the interval between 
state refresh messages.

Use the undo state-refresh-interval command to restore the default setting.

By default, the state refresh interval is 60 seconds.

pim state-refresh-capable, state-refresh-rate-limit (PIM view), and 
state-refresh-ttl (PIM view).