Contents 
1.  INTRODUCTION ...............................................................................................................................................1 
1.1  C
ONVENTIONS ...................................................................................................................................................1 
1.2  A
RGUMENT TYPES.............................................................................................................................................1 
1.3  P
RIVILEGE AND CONTEXT LEVELS.....................................................................................................................2 
1.4  T
HE COMMAND LINE INTERFACE ......................................................................................................................3 
1.5  S
YSTEM HELP ....................................................................................................................................................3 
1.6  C
OMMAND LINE EDITING ..................................................................................................................................4 
2.  COMMAND SUMMARY...................................................................................................................................5 
2.1  USER EXEC COMMANDS ..................................................................................................................................5 
2.2  D
IAGNOSTIC COMMANDS ..................................................................................................................................6 
2.3  S
YSTEM CONFIGURATION................................................................................................................................11 
2.3.1  System commands - EXEC level............................................................................................................11 
2.3.2  System Configuration commands..........................................................................................................14 
2.4  AUTHENTICATION .....................................................................................................................................16 
2.4.1  AUTHENTICATION commands - Configuration level.........................................................................16 
2.5  TACACS.........................................................................................................................................................17 
2.5.1  TACACS commands - EXEC level ........................................................................................................17 
2.5.2  TACACS commands - Configuration level ...........................................................................................17 
2.6  CDP.................................................................................................................................................................17 
2.6.1  CDP commands - EXEC level...............................................................................................................17 
2.6.2  CDP commands - Configuration level ..................................................................................................17 
2.7  IP S
TACKING ...................................................................................................................................................18 
2.7.1  IP Stacking commands - EXEC level ....................................................................................................18 
2.7.2  IP Stacking commands - Configuration level .......................................................................................18 
2.8  P
ORT SETTINGS ...............................................................................................................................................20 
2.8.1  Port commands - EXEC level................................................................................................................20 
2.8.2  Ethernet Interface Configuration Commands.......................................................................................22 
2.9  T
RUNK CONFIGURATION .................................................................................................................................23 
2.9.1  Trunk commands - EXEC level .............................................................................................................23 
2.9.2  Trunk commands - Configuration level ................................................................................................24 
2.10  S
PANNING TREE..........................................................................................................................................25 
2.10.1  Spanning Tree commands - EXEC level ...............................................................................................25 
2.10.2  Spanning Tree commands - Configuration level ..................................................................................26 
2.11  IP ................................................................................................................................................................28 
2.11.1  IP commands - EXEC level ...................................................................................................................28 
2.11.2  IP commands - Configuration level ......................................................................................................31 
2.11.3  IP commands - VLAN Interface level....................................................................................................33 
2.12  SNMP.........................................................................................................................................................34 
2.12.1  SNMP commands - EXEC level ............................................................................................................34 
2.12.2  SNMP commands – Configuration Level..............................................................................................35 
2.13  VLAN C
ONFIGURATION.............................................................................................................................36 
2.13.1  VLAN commands - EXEC level .............................................................................................................36 
2.13.2  VLAN commands – Configuration Level ..............................................................................................36 
2.13.3  VLAN Interface commands ...................................................................................................................37 
2.14  GVRP .........................................................................................................................................................38 
2.14.1  GVRP commands - EXEC level.............................................................................................................38 
2.14.2  GVRP commands – Configuration level ...............................................................................................38 
2.14.3  Ethernet Interface Configuration commands........................................................................................38 
2.15  IGMP..........................................................................................................................................................39 
2.15.1  IGMP Commands –  EXEC Level .........................................................................................................39 
2.15.2  IGMP Configuration commands – Vlan Interface level .......................................................................40