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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-threshold command 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-policy command to configure the IPv6 SSM group range.
Use the
undo ssm-policy command to restore the system default.