【資料名稱】：ESB20-A 10/100 Mbit Ethernet Switch

【資料作者】：nokia

【資料日期】：2004

【資料語言】：英文

【資料格式】：PDF

【資料目錄和簡介】：

PREFACE..................................................................................................................................................A
CONVENTIONS USED IN THIS GUIDE ........................................................................................A
ACRONYMS USED IN THIS GUIDE.............................................................................................. B
SUMMARY OF VERSION 3.5.0 FEATURES ................................................................................. C
1.INTRODUCTION..............................................................................................................................1
SWITCH OVERVIEW........................................................................................................................1
SPECIFICATIONS..............................................................................................................................1
2.GETTING STARTED .......................................................................................................................4
OVERVIEW........................................................................................................................................4
UNPACKING......................................................................................................................................4
FRONT PANEL ..................................................................................................................................4
USING THE CLI TO CONFIGURE THE SWITCH..........................................................................5
PLANNING THE CONFIGURATION ..............................................................................................7
BASIC CLI OPERATING CONVENTIONS .....................................................................................7
SPECIAL KEYS..................................................................................................................................7
CLI MODES........................................................................................................................................8
MESSAGES ........................................................................................................................................9
GETTING SYSTEM HELP ..............................................................................................................10
USING THE LIST COMMAND.......................................................................................................10
COMMAND HISTORY....................................................................................................................10
USING TELNET...............................................................................................................................10
CONFIGURING THE DEVICE'S IP PARAMETERS.....................................................................11
GENERAL COMMANDS ................................................................................................................12
VIEW MODE AND PRIVILEGED MODE .....................................................................................12
CONFIGURE MODE........................................................................................................................15
3.CONFIGURING A TELNET CONNECTION .............................................................................18
INTRODUCTION.............................................................................................................................18
CONFIGURING A TELNET SESSION...........................................................................................18
SWITCHING BETWEEN SESSIONS..............................................................................................22
4.USER PRIVILEGE LEVELS .........................................................................................................23
INTRODUCTION.............................................................................................................................23
SUPPORTED STANDARDS, MIBS AND RFCS............................................................................25
DEFAULT USER PRIVILEGE LEVELS CONFIGURATION.......................................................25
CONFIGURING AND DISPLAYING USER PRIVILEGES...........................................................25
5.ETHERNET INTERFACE CONFIGURATION..........................................................................28
CONFIGURING AND DISPLAYING PHYSICAL INTERFACE SETTINGS ..............................28
6.PORT SECURITY...........................................................................................................................39
INTRODUCTION.............................................................................................................................39
CONFIGURING AND DISPLAYING PORT SECURITY SETTINGS ..........................................39
7.LINK AGGREGATION GROUPS (LAGS) ..................................................................................43
INTRODUCTION.............................................................................................................................43
FEATURE OVERVIEW...................................................................................................................44
SUPPORTED STANDARDS, MIBS AND RFCS............................................................................46
PREREQUISITES .............................................................................................................................47

DEFAULT LINK AGGREGATION CONFIGURATION...............................................................47
CONFIGURING AND DISPLAYING LAGS..................................................................................48
CONFIGURATION EXAMPLES.....................................................................................................53
8.TRAFFIC MONITORING..............................................................................................................62
INTRODUCTION.............................................................................................................................62
THE TRAFFIC MONITORING CLI COMMANDS........................................................................62
9.RESILIENT LINK...........................................................................................................................65
INTRODUCTION.............................................................................................................................65
CONFIGURING AND DISPLAYING A RESILIENT LINK..........................................................65
10.SNMP SERVER CONFIGURATION............................................................................................73
INTRODUCTION.............................................................................................................................73
CONFIGURING AND DISPLAYING THE SNMP SERVER SETTINGS.....................................73
11.FORWARDING DATABASE (FDB) .............................................................................................95
INTRODUCTION.............................................................................................................................95
MAC-TABLE ENTRY TYPES.........................................................................................................95
HOW ENTRIES ARE ADDED TO THE FDB.................................................................................96
CONFIGURING AND DISPLAYING FDB SETTINGS.................................................................96
DESCRIPTION OF COMMANDS...................................................................................................96
12.SPANNING TREE PROTOCOL (STP).......................................................................................101
INTRODUCTION...........................................................................................................................101
CONFIGURING AND DEBUGGING STP....................................................................................101
DISPLAYING PORT SPANNING-TREE TOPOLOGY SETTINGS............................................108
13.RAPID SPANNING TREE PROTOCOL (RSTP) ......................................................................110
INTRODUCTION...........................................................................................................................110
SELECTION OF THE ROOT BRIDGE AND ROOT PORT.........................................................111
SELECTION OF THE DESIGNATED BRIDGE AND DESIGNATED PORT............................111
CHANGING PORT STATES .........................................................................................................112
CONFIGURING AND DEBUGGING RSTP .................................................................................113
DISPLAYING PORT RAPID-SPANNING-TREE TOPOLOGY SETTINGS...............................123
14.MULTIPLE SPANNING TREE PROTOCOL (MSTP).............................................................126
INTRODUCTION...........................................................................................................................126
FEATURE OVERVIEW.................................................................................................................127
SUPPORTED STANDARDS, MIBS AND RFCS..........................................................................134
PREREQUISITES ...........................................................................................................................134
DEFAULT MSTP CONFIGURATION..........................................................................................135
CONFIGURING AND DISPLAYING MSTP................................................................................136
CONFIGURATION EXAMPLES...................................................................................................159
15.GARP MULTICAST REGISTRATION PROTOCOL (GMRP) ..............................................172
INTRODUCTION...........................................................................................................................172
FEATURE OVERVIEW.................................................................................................................172
SUPPORTED STANDARDS, MIBS AND RFCS..........................................................................173
PREREQUISITES ...........................................................................................................................173
DEFAULT GMRP CONFIGURATION.........................................................................................173
CONFIGURING AND DISPLAYING GMRP ...............................................................................174
RELATED COMMANDS...............................................................................................................175
16.GARP VLAN REGISTRATION PROTOCOL (GVRP)............................................................176
INTRODUCTION...........................................................................................................................176
CONFIGURING AND DISPLAYING GVRP SETTINGS............................................................176
17.VIRTUAL LANS (VLANS)...........................................................................................................180
INTRODUCTION...........................................................................................................................180

BENEFITS OF USING VLANS .....................................................................................................180
VLAN TYPES.................................................................................................................................180
USES OF TAGGED VLANS..........................................................................................................181
ASSIGNING A VLAN TAG...........................................................................................................182
DESCRIPTION OF COMMANDS.................................................................................................183
18.QUALITY OF SERVICE (QOS) ..................................................................................................197
INTRODUCTION...........................................................................................................................197
DESCRIPTION OF COMMANDS.................................................................................................198
ASSIGNING QOS RULES TO TRAFFIC......................................................................................199
19.DHCP CLIENT ..............................................................................................................................204
DHCP OVERVIEW........................................................................................................................204
THE ESB20-A STARTUP PROCESS ............................................................................................205
THE DHCP NEGOTIATION PROCESS........................................................................................208
CONFIGURING THE DHCP CLIENT ..........................................................................................209
CONFIGURATION EXAMPLE.....................................................................................................211
20.IGMP SNOOPING.........................................................................................................................213
INTRODUCTION...........................................................................................................................213
JOINING A MULTICAST GROUP ...............................................................................................213
LEAVING A MULTICAST GROUP .............................................................................................213
IMMEDIATE-LEAVE PROCESSING...........................................................................................214
IGMP SNOOPING COMMANDS..................................................................................................214
21.MULTICAST VLAN REGISTRATION (MVR) ........................................................................225
INTRODUCTION...........................................................................................................................225
DESCRIPTION OF COMMANDS.................................................................................................226
22.TRANSPARENT LAN SERVICES (TLS)...................................................................................235
FEATURE OVERVIEW.................................................................................................................235
DESCRIPTION OF COMMANDS.................................................................................................236
23.SOFTWARE UPGRADE AND REBOOT OPTIONS................................................................240
UPGRADE AND REBOOT OPTIONS OVERVIEW....................................................................240
DESCRIPTION OF COMMANDS.................................................................................................240
24.FILE SYSTEM FOR CONFIGURATION SCRIPT FILES ......................................................249
INTRODUCTION...........................................................................................................................249
SCRIPT-FILE COMMANDS..........................................................................................................249
25.STATUS MONITORING, STATISTICS AND GENERAL COMMANDS.............................256
OVERVIEW....................................................................................................................................256
DESCRIPTION OF COMMANDS.................................................................................................257
26.REMOTE MONITORING............................................................................................................270
INTRODUCTION...........................................................................................................................270
FEATURE OVERVIEW.................................................................................................................270
SUPPORTED STANDARDS, MIBS AND RFCS..........................................................................271
STATISTICS MONITORING ........................................................................................................272
RMON ALARMS............................................................................................................................273
27.LOGGING SYSTEM TRAP MESSAGES TO THE NVRAM..................................................278
INTRODUCTION...........................................................................................................................278
CONFIGURING THE TRAP LEVEL FOR STORED SYSTEM MESSAGES.............................278
CONFIGURING THE MESSAGE FORMAT................................................................................278
NVRAM SYSTEM-TRAP LOGGING COMMANDS...................................................................279
28.NVRAM CONFIGURATION HISTORY....................................................................................282
INTRODUCTION...........................................................................................................................282
HISTORY LOG FORMAT AND GENERATION.........................................................................282
CONFIGURING HISTORY SETTINGS........................................................................................282
DISPLAYING THE CONFIGURATION HISTORY.....................................................................283
29.NTP CLIENT DESCRIPTION.....................................................................................................286
INTRODUCTION...........................................................................................................................286
THE NTP TIMESERVER COMMANDS.......................................................................................286
WHY USE NTP PROTOCOL ? ......................................................................................................287
CONFIGURING AND DISPLAYING NTP SERVER SETTINGS...............................................287
MD5 AUTHENTICATION.............................................................................................................289
RUNNING THE NTP SERVER .....................................................................................................290
EXAMPLES ....................................................................................................................................291
CONFIGURATION EXAMPLE.....................................................................................................291
CONFIGURING DAYLIGHT SAVING TIME (DST) ..................................................................292
30.REMOTE AUTHENTICATION DIAL-IN USER SERVICE (RADIUS) ................................295
INTRODUCTION...........................................................................................................................295
BINOS RADIUS FEATURES ........................................................................................................295
DESCRIPTION OF COMMANDS.................................................................................................296
USING RADIUS TO CONFIGURE LOGIN AUTHENTICATION..............................................298
A RADIUS CONFIGURATION EXAMPLE.................................................................................299
31.SECURE SHELL (SSH) ................................................................................................................301
INTRODUCTION...........................................................................................................................301
SOME SECURITY CONSIDERATIONS ......................................................................................301
COMMANDS FOR MANAGING THE SSH SERVER. ................................................................302
SUPPORTED CLIENTS.................................................................................................................303
SUPPORTED STANDARDS..........................................................................................................303
32.BIST (BUILT-IN SELF TEST) .....................................................................................................304
OVERVIEW....................................................................................................................................304
STARTUP EXECUTION OF BIST................................................................................................304
BIST STATUS INDICATION........................................................................................................305
BIST COMMANDS ........................................................................................................................305
33.DNS RESOLVER...........................................................................................................................308
INTRODUCTION...........................................................................................................................308
FEATURE OVERVIEW.................................................................................................................308
SUPPORTED STANDARDS, MIBS AND RFCS..........................................................................309
DEFAULT DNS RESOLVER CONFIGURATION.......................................................................310
CONFIGURING AND DISPLAYING DNS RESOLVER.............................................................310
CONFIGURATION EXAMPLE.....................................................................................................311
RELATED COMMANDS...............................................................................................................311
APPENDIX: BOOT LOADER COMMANDS........................................................................................ I
OVERVIEW.........................................................................................................................................I
COMMANDS SUMMARY.................................................................................................................I