1498 CHAPTER 93: IPV6 PIM CONFIGURATION COMMANDS

By default, the device switches to the SPT immediately after it receives the first

IPv6 multicast packet from the RPT.

Note that:

To adjust the order of an IPv6 ACL that already exists in the group-policy list, you can use the acl6-number argument to specify this IPv6 ACL and set its order-value. This will insert the IPv6 ACL to the position of order-value in the group-policy list. The order of the other existing IPv6 ACLs in the group-policy list will remain unchanged.

To use an IPv6 ACL that does not exist in the group-policy list, you can use the acl6-number argument to specify an IPv6 ACL and set its order-value. This will insert the IPv6 ACL to the position of order-value in the group-policy list. If you do not include the order order-value option in your command, the ACL will be appended to the end of the group-policy list.

If you use this command multiple times on the same IPv6 multicast group, the first traffic rate configuration matched in sequence will take effect.

For a switch, once an IPv6 multicast forwarding entry is created, subsequent IPv6 multicast data will not be encapsulated in register messages before being forwarded even if a register outgoing interface is available. Therefore, to avoid forwarding failure, do not include the infinity keyword in the spt-switch-thresholdcommand on a switch that may become an RP (namely, a static RP or a C-RP).

Example # Set the traffic rate threshold to trigger RPT-to-SPT switchover to 4 kbps.

<Sysname> system-view

[Sysname] pim ipv6

[Sysname-pim6] spt-switch-threshold 4

#Create a group-policy with the IPv6 ACL number of 2010 and the traffic rate threshold of 100 kbps, and insert the IPv6 ACL to the first position.

<Sysname> system-view

[Sysname] pim ipv6

[Sysname-pim6] spt-switch-threshold 100 group-policy 2010 order 1

ssm-policy (IPv6 PIM view)

Syntax ssm-policy acl6-number

undo ssm-policy

View IPv6 PIM view

Parameter acl6-number: Basic IPv6 ACL number, in the range of 2000 to 2999.

Description Use the ssm-policycommand to configure the IPv6 SSM group range. Use the undo ssm-policycommand to restore the system default.

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3Com MSR 30, MSR 50 manual Ssm-policy IPv6 PIM view, Syntax ssm-policy acl6-number Undo ssm-policy