The LLTD Mapper in Microsoft Windows Vista allows remote attackers to spoof hosts, and nonexistent bridge relationships, into the network topology map by using a MAC address that differs from the MAC address provided in the Real Source field of the LLTD BASE header of a HELLO packet, aka the “Spoof on Bridge” attack.
osvdb.org/33662
www.securityfocus.com/archive/1/462793/100/0/threaded
www.securityfocus.com/archive/1/464617/100/0/threaded
www.securityfocus.com/bid/23280
www.symantec.com/avcenter/reference/Vista_Network_Attack_Surface_RTM.pdf
www.symantec.com/enterprise/security_response/weblog/2007/04/microsofts_inaccurate_teredo_d.html