Specifying the longest prefix match principle

You can enable the device to use the longest prefix match principle for RPF route selection. For more information about RPF route selection, see "RPF check process."

1. Enter system view.

   system-view

2. Enter IPv6 MRIB view.

   ipv6 multicast routing [ vpn-instance vpn-instance-name ]

3. Specify the longest prefix match principle for RPF route selection.

   longest-match

   By default, the route preference principle is used.