3com S7906E Guía De Referencia
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order order-value: Specifies the order of the ACL in the group-policy list, where order-value has 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 ACL in the group-policy list. If you have assigned an
order-value to a certain ACL, do not specify the same order-value for another ACL; otherwise the
system will give error information. If you do not specify an order-value, the order value of the ACL will
remain the same in the group-policy list.
Description
Use the spt-switch-threshold infinity command to configure disabling the SPT switchover.
Use the undo spt-switch-threshold command to restore the default configuration.
By default, the device switches to the SPT immediately after it receives the first multicast packet.
Note that:
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To adjust the order of an existing ACL in the group-policy list, you can use the acl-number
argument to specify this ACL and set its order-value. This will insert the ACL to the position of
order-value in the group-policy list. The order of the other existing ACLs in the group-policy list will
remain unchanged.
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To use an ACL that does not exist in the group-policy list, you can use the acl-number argument to
specify an ACL and set its order-value. This will insert the 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.
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If you use this command multiple times on the same multicast group, the first traffic rate
configuration matched in sequence will take effect.
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For an S7900E series Ethernet switch, once a multicast forwarding entry is created, subsequent
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 use
spt-switch-threshold infinity command on a switch that may become an RP (namely, a static RP
or a C-RP).
Examples
# Disable SPT switchover on a switch that will never become an RP.
<Sysname> system-view
[Sysname] pim
[Sysname-pim] spt-switch-threshold infinity
ssm-policy (PIM view)
Syntax
ssm-policy acl-number
undo ssm-policy
View
Public instance PIM view, VPN instance PIM view