APPEAR AS Confidential 329/352
To clear this state, the Primary will have its sources manually enabled again. Until this is performed, the backup
multicast will continue to stream.
12.6.4 CLONED LINK STATE MODE
To correspond with the Backup MMI being configured in Monitor In+Out mode, it is also possible to configure the
Main MMI in Cloned Link State mode. When in this mode, if there is a port link error on Port A, ie main
distribution output, then the system will also force a link down on Port B, ie output feeding the backup unit. This
will then have the effect that the backup unit will begin to transmit.
This can be configured from the Maintenance Center as such;