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NOTE:
• For more information about the ip vpn-instance, route-distinguisher and ip binding vpn-instance
commands, see the
MPLS Command Reference
.
• For more information about the multicast routing-enable command, see the
IP Multicast Command
Reference
.
Configuring the SSM group range
Whether the information from a multicast source is delivered to the receivers based on the PIM-SSM
model or the PIM-SM model depends on whether the group address in the (S, G) channel subscribed by
the receivers falls into the SSM group range. All PIM-SM-enabled interfaces assume that multicast groups
within this address range are using the PIM-SSM model.
Perform the following configuration on all routers in the PIM-SM domain.
Follow these steps to configure an SSM multicast group range:
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 ]
—
Configure the SSM group range
ssm-policy acl-number
Optional
232.0.0.0/8 by default.
CAUTION:
• Make sure that the same SSM group range is configured on all routers in the entire domain.
Otherwise, multicast information cannot be delivered through the SSM model.
• When a member of a multicast group in the SSM group range sends an IGMPv1 or IGMPv2 report
message, the device does not trigger a (*, G) join.
Configuring PIM common features
NOTE:
• In PIM view, the configuration is effective on all interfaces. In interface view, the configuration is
effective on the current interface only.
• If the same function or parameter is confi
ured in both PIM view and interface view, the confi
uration
made in interface view has preference over the configuration made in PIM view, regardless of the
configuration sequence.
PIM common feature configuration task list
Complete these tasks to configure PIM common features:
Task Remarks
Configuring a multicast data filter Optional
Configuring a hello message filter Optional
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