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3Com 3CBLSG48 User Guide - Page 11

Roubleshooting, Eference, Lossary, Btaining, Upport For, Roducts, Egulatory, Otices - software

UPC - 662705518947

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Page 11 highlights

c pin-outs Console Cable 193 Null Modem Cable 194 PC-AT Serial Cable 194 Modem Cable 194 Ethernet Port RJ-45Pin Assignments 195 D TROUBLESHOOTING Problem Management 196 Troubleshooting Solutions 196 E 3COM CLI REFERENCE GUIDE Getting Started with the Command Line Interface 199 CLI Commands 200 F GLOSSARy ...210 G OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS Register Your Product to Gain Service Benefits 216 Solve Problems Online 216 Purchase Extended Warranty and Professional Services 216 Access Software Downloads 217 Contact Us 217 Telephone Technical Support and Repair 217 REGULATORY NOTICES

Section	Page
3Com® Baseline Switch 2948-SFP PlusUser Guide	1
ABOUT THIS GUIDE	3
User Guide Overview	3
Intended Audience	5
Conventions	5
RelatedDocumentation	5
Contents	5
1 GETTING STARTED	12
About the Switch 2948	13
Front Panel Detail	14
LED Status Indicators	15
System Specifications	16
Installing the Switch	17
Setting Up for Management	18
Methods of Managing a Switch	19
Switch Setup Overview	21
Using the Command Line Interface (CLI)	25
Setting Up Web Interface Management	29
Setting Up SNMP Management V1 or V2	30
Default Users and Passwords	31
Upgrading Software using the CLI	31
2 USING THE 3COM WEB INTERFACE	32
Starting the 3Com Web Interface	32
Understanding the 3Com Web Interface	34
Saving the Configuration	42
Resetting the Device	42
Restoring Factory Defaults	45
Logging Off the Device	46
VIEWING BASIC SETTINGS	47
Viewing Device Settings	47
Viewing Color Keys	47
4MANAGING DEVICE SECURITY	51
Configuring System Access	52
Defining RADIUS Clients	57
Defining Port-Based Authentication (802.1X)	59
Defining Access Control Lists	64
Viewing Broadcast Storm	91
5 GENERAL SYSTEM INFORMATION	95
Viewing System Description	95
Configuring System Name Information	97
Configuring System Time	98
6 CONFIGURING PORTS	101
Viewing Port Settings	101
Defining Port Settings	101
Viewing Port Details	106
7 AGGREGATING PORTS	108
Viewing Link Aggregation	109
Configuring Link Aggregation	109
Modifying Link Aggregation	111
Removing Link Aggregation	113
Viewing LACP	113
Defining LACP Priority	115
Defining LACP Port	116
8 CONFIGURING VLANS	117
VLAN Overview	117
Viewing VLAN Details	119
Viewing VLAN Port Details	119
Creating VLANs	121
Rename the VLANS	121
Modifying VLAN Settings	123
Modifying Port VLAN Settings	124
Removing VLANs	126
9 CONFIGURING IP AND MAC ADDRESS INFORMATION	127
Defining IP Addressing	128
Configuring ARP Settings	129
Viewing ARP Settings	130
Defining ARP Settings	130
Removing ARP Entries	132
Configuring Address Tables	133
Viewing Address Table Settings	134
Viewing Port Summary Settings	135
Adding Entries into Address Tables	137
Defining Aging Time	138
Removing Address Table Ports	140
Remove address Table	141
10 CONFIGURING IGMP SNOOPING & QUERY	143
Defining IGMP Snooping & Query	143
11 CONFIGURING SPANNING TREE	146
Viewing Spanning Tree	146
Defining Spanning Tree	148
Modifying Spanning Tree	150
12 CONFIGURING SNMP	153
SNMP v1 and v2c	153
Defining SNMP Communities	154
Removing SNMP Communities	155
Defining SNMP Traps	157
Removing SNMP Traps	158
13 CONFIGURING QUALITY OFSERVICE	160
Viewing CoS Settings	161
Defining CoS	162
Defining Queuing Algorithm	163
Viewing CoS to Queue	164
Defining CoS to Queue	164
Viewing DSCP to CoS	166
Configuring DSCP to CoS	167
Configuring Trust Settings	168
Viewing Bandwidth Settings	169
DefiningBandwidth Settings	170
Defining VoiceVLAN	172
14 MANAGING SYSTEM FILES	181
Configuration FileStructure	181
Backing Up System Files	182
Restoring Files	183
Upgrade the Firmware Image	184
Activating ImageFiles	185
15 VIEWING STATISTICS	186
Viewing PortStatistics	186
16 MANAGING DEVICE DIAGNOSTICS	189
Configuring Port Mirroring	189
Viewing Cable Diagnostics	192
A 3COM NETWORK MANAGEMENT	195
3Com Network Supervisor	195
3Com Network Director	196
3Com Network Access Manager	196
3Com Enterprise Management Suite	197
Integration Kit with HP OpenView Network Node Manager	197
B DEVICE SPECIFICATIONS AND FEATURES	198
Related Standard	198
Environmental	198
Physical	198
Electrical	199
Switch Features	199
C PIN-OUTS	204
Console Cable	204
Null Modem Cable	205
PC-AT Serial Cable	205
Modem Cable	205
Ethernet Port RJ-45Pin Assignments	206
D TROUBLESHOOTING	207
Problem Management	207
Troubleshooting Solutions	207
E 3COM CLI REFERENCE GUIDE	210
Getting Started with the Command Line Interface	210
CLI Commands	211
F GLOSSARY	221
G OBTAINING SUPPORT FORYOUR 3COM PRODUCTS	227
Register Your Product to Gain Service Benefits	227
Solve Problems Online	227
Purchase Extended Warranty and Professional Services	227
Access Software Downloads	228
Contact Us	228
Telephone TechnicalSupport and Repair	228