BGP

Documentació molt bona:

http://docwiki.cisco.com/wiki/Border_Gateway_Protocol

http://www.cisco.com/web/learning/le31/le46/cln/qlm/CCIP/bgp/understanding-bgp-path-attributes-3/player.html

http://wiki.mikrotik.com/wiki/Manual:BGP_Best_Path_Selection_Algorithm

FAQ Cisco BGP molt interessant:

http://www.cisco.com/en/US/tech/tk365/technologies_q_and_a_item09186a00800949e8.shtml