How does DFM handle port/interface duplexity?
DFM determines duplexity in different ways, depending upon which version of DFM you are running. For details see the information on the high utilization fault (in the faults chapter of the appropriate user guide at http://www.cisco.com/univercd/cc/td/doc/product/rtrmgmt/cw2000/dfm/index.htm. If you know that the value is incorrect, you can change it manually (see the groups chapter in the appropriate user guide at http://www.cisco.com/univercd/cc/td/doc/product/rtrmgmt/cw2000/dfm/index.htm.