Refer to the exhibit. R1 and R2 have been configured as BGP neighbor, but their session is stuck in active. Which action can you take that will enable a session to be established?
ENABLE SYNCHRONIZATION ON R1 AND R2.
ISSUE THE NEIGHBOR 10.1.12.2 ACTIVATE COMMAND ON R1.
CONFIGURE 10.1.12.1 AS THE BGP ROUTER ID ON R1
CONFIGURE A NEIGHBOR RELATIONSHIP WITH LOOPBACK0 ADDRESS OF R1 ON R2.
