The multicast ipv6 cpu-forward disable command disables soft forwarding for IPv6 multicast packets.
The undo multicast ipv6 cpu-forward disable command restores the default configuration.
By default, soft forwarding for IPv6 multicast packets is enabled.
Usage Scenario
In most cases, the Router forwards packets based on software before the hardware forwarding is completed. After that, the forwards packets based on hardware.
Soft forwarding for IPv6 multicast packets must be disabled on the router to prevent the low forwarding speed and first packet cache mechanism of soft forwarding from causing disorder of the first packet transmitted at a high speed.