Step 4
******

                                     6LBR
                                (IPSP: Router)
	                        /            \  			
                               /              \ 
                           6LR                 6LR
                      (IPSP: Router)      (IPSP: Router)



             6LN                 6LN                  6LN
    (not initialized)      (not initialized)     (not initialized)