Defining Port Settings for Spanning Tree ...................................... 16012 C ONFIGURING SNMPSetting SNMP Agent Status .......................................................... 164Defining SNMP Communities and Traps ........................................ 165Removing SNMP Communities or Traps ........................................ 16713 C ONFIGURING Q UALITY OF S ERVICEViewing CoS Settings ................................................................... 170Defining CoS ................................................................................ 170Defining the Queue Mode ............................................................ 172Viewing CoS to Queue Mapping .................................................. 173Defining CoS to Queue Mapping ................................................. 174Viewing DSCP to CoS Mapping ................................................... 175Configuring DSCP to CoS Mapping .............................................. 176Configuring Trust Settings ............................................................ 177Viewing Bandwidth Settings ......................................................... 178Defining Bandwidth Settings ........................................................ 180Configuring Voice VLAN .........................................................................182Viewing Voice VLAN ..................................................................... 183Defining Voice VLAN .................................................................... 184Defining Voice VLAN Port Settings ................................................ 186Viewing Voice VLAN Port Definitions ............................................ 188Viewing the OUI Summaries ......................................................... 190Modifying OUI Definitions ............................................................ 19114 M ANAGING SYSTEM F ILESBacking Up System Files ............................................................... 195Restoring Files .............................................................................. 196Restoring the Software Image ...................................................... 19715 M ANAGING POWER OVER ETHERNET D EVICESViewing PoE Settings .................................................................... 200Defining PoE Settings ................................................................... 202