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If you specify an advanced ACL, the device filters all received IPv6 multicast packets based on the source and group addresses, and discards packets that fail the match.

If this command is executed repeatedly, the last configuration will take effect.

Example # Configure the router to accept IPv6 multicast packets originated from 3121::1 and discard IPv6 multicast packets originated from 3121::2.

<Sysname> system-view [Sysname] acl ipv6 number 2000

[Sysname-acl6-basic-2000] rule permit source 3121::1 128

[Sysname-acl6-basic-2000] rule deny source 3121::2 128

[Sysname-acl6-basic-2000] quit [Sysname] pim ipv6 [Sysname-pim6] source-policy 2000

[Sysname-pim6] quit

spt-switch-threshold (IPv6 PIM view)

Syntax spt-switch-threshold{ traffic-rate infinity } [ group-policyacl6-number [ order order-value ] ]

undo spt-switch-threshold [ group-policy acl6-number]

View IPv6 PIM view

Parameter traffic-rate: Traffic rate threshold that will trigger RPT-to-SPT switchover, in units of kbps. The effective range is 1 to 4,194,304. This argument is not supported on a switch.

infinity: Disables RPT-to-SPT switchover.

group-policyacl6-number: Uses this threshold for IPv6 multicast groups that match the specified IPv6 multicast policy. In this option, acl6-numberrefers to a basic IPv6 ACL number, in the range of 2000 to 2999. If you do not include this option in your command, the threshold will apply on all IPv6 multicast groups.

order order-value: Specifies the order of the IPv6 ACL in the group-policy list, where order-valuehas an effective range of 1 to (the largest order value in the existing group-policy list + 1), but the value range should not include the original order value of the IPv6 ACL in the group-policy list. If you have assigned an order-valueto a certain IPv6 ACL, do not specify the same order-valuefor another IPv6 ACL; otherwise the system will give error information. If you do not specify an order-value, the order value of the IPv6 ACL will remain the same in the group-policy list.

Description Use the spt-switch-thresholdcommand to configure the RPT-to-SPT switchover parameters.

Use the undo spt-switch-thresholdcommand to restore the default configuration.

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3Com MSR 50, MSR 30 manual Spt-switch-threshold IPv6 PIM view, Undo spt-switch-threshold group-policy acl6-number, 1497