scanning local samba network issues

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http://ubuntuforums.org – I have had increasing lack or reliability of scanning the local lan for the computers on the network. I have had NO problems connecting to any of the machines on the lan. I have diagnosed the issue down to the appearent samba setup configurations. As I have added Ubuntu machines, the problem has gotten worse. The problem seems to be that each and every computer on the local lan in the same workgroup deems itself to be the local browser. This means that I have 2 ubuntu machines (ubuntu os is 12.10 for one machine and 64 bit 13.04 for the other ubuntu machine) (each on wireless fios router) (Hardware)