http://www.cisco.com/en/US/tech/tk648/tk362/technologies_tech_note09186a00801c9199.shtml

http://www.cisco.com/en/US/tech/tk648/tk362/technologies_tech_note09186a0080094a9b.shtml

http://www.cisco.com/en/US/tech/tk648/tk362/technologies_tech_note09186a00801576ff.shtml

http://tools.cisco.com/Support/SNMP/do/BrowseMIB.do?local=en&mibName=BRIDGE-MIB

http://www.gambitcomm.com/site/products/snmp_simulator.shtml

http://blog.csdn.net/nickkwan/article/details/5535685

http://blog.csdn.net/stevexk/article/details/559246