DEFAULT LINK AGGREGATION CONFIGURATION ............................................................... 53CONFIGURING AND DISPLAYING LAGS .................................................................................. 54CONFIGURATION EXAMPLES..................................................................................................... 588. TRAFFIC MONITORING.............................................................................................................. 66INTRODUCTION ............................................................................................................................. 66FEATURE OVERVIEW ................................................................................................................... 66SUPPORTED STANDARDS, MIBS AND RFCS............................................................................ 69PREREQUISITES ............................................................................................................................. 69DEFAULT TRAFFIC MONITORING CONFIGURATION............................................................ 69CONFIGURING AND DISPLAYING MONITOR SESSION......................................................... 70CONFIGURATION EXAMPLES..................................................................................................... 719. RESILIENT LINK ........................................................................................................................... 73INTRODUCTION ............................................................................................................................. 73CONFIGURING AND DISPLAYING A RESILIENT LINK .......................................................... 7310. SNMP SERVER CONFIGURATION............................................................................................ 81INTRODUCTION ............................................................................................................................. 81CONFIGURING AND DISPLAYING THE SNMP SERVER SETTINGS..................................... 8111. FORWARDING DATABASE (FDB) ........................................................................................... 104INTRODUCTION ........................................................................................................................... 104MAC-TABLE ENTRY TYPES....................................................................................................... 104HOW ENTRIES ARE ADDED TO THE FDB............................................................................... 105CONFIGURING AND DISPLAYING FDB SETTINGS............................................................... 105DESCRIPTION OF COMMANDS................................................................................................. 10512. SPANNING TREE PROTOCOL (STP)...................................................................................... 110INTRODUCTION ........................................................................................................................... 110CONFIGURING AND DEBUGGING STP.................................................................................... 110DISPLAYING PORT SPANNING-TREE TOPOLOGY SETTINGS............................................ 11713. RAPID SPANNING TREE PROTOCOL (RSTP) ...................................................................... 121INTRODUCTION ........................................................................................................................... 121SELECTION OF THE ROOT BRIDGE AND ROOT PORT......................................................... 122SELECTION OF THE DESIGNATED BRIDGE AND DESIGNATED PORT ............................ 122CHANGING PORT STATES ......................................................................................................... 123CONFIGURING AND DEBUGGING RSTP ................................................................................. 124DISPLAYING PORT RAPID-SPANNING-TREE TOPOLOGY SETTINGS............................... 13414. MULTIPLE SPANNING TREE PROTOCOL (MSTP)............................................................. 139INTRODUCTION ........................................................................................................................... 139FEATURE OVERVIEW ................................................................................................................. 140SUPPORTED STANDARDS, MIBS AND RFCS.......................................................................... 147PREREQUISITES ........................................................................................................................... 148DEFAULT MSTP CONFIGURATION .......................................................................................... 148CONFIGURING AND DISPLAYING MSTP ................................................................................ 149CONFIGURATION EXAMPLES................................................................................................... 17315. GARP MULTICAST REGISTRATION PROTOCOL (GMRP) .............................................. 186INTRODUCTION ........................................................................................................................... 186FEATURE OVERVIEW ................................................................................................................. 186SUPPORTED STANDARDS, MIBS AND RFCS.......................................................................... 187PREREQUISITES ........................................................................................................................... 187DEFAULT GMRP CONFIGURATION ......................................................................................... 187CONFIGURING AND DISPLAYING GMRP ............................................................................... 188RELATED COMMANDS............................................................................................................... 18916. GARP VLAN REGISTRATION PROTOCOL (GVRP)............................................................ 190