3com 2924-PWR User Manual Page 116
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- Table of contents
- TROUBLESHOOTING
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8
CONFIGURING VLANS
VLANs are logical su/jointfilesconvert/1353376/bgroups with a Local Area Network (LAN) which
combine user stations and network devices into a single unit, regardless
of the physical LAN segment to which they are attached. VLANs allow
network traffic to flow more efficiently within su/jointfilesconvert/1353376/bgroups. VLANs use
software to reduce the amount of time it takes for network changes,
additions, and moves to be implemented. VLANs restrict traffic within the
VLAN.
VLANs have no minimum number of ports, and can be created per unit,
per device, or through any other logical connection combination, since
they are software-based and not defined by physical attributes.
VLANs function at Layer 2. Since VLANs isolate traffic within the VLAN, a
Layer 3 router working at a protocol level is required to allow traffic flow
between VLANs. Layer 3 routers identify segments and coordinate with
VLANs. VLANs are Broadcast and Multicast domains. Broadcast and
Multicast traffic is transmitted only in the VLAN in which the traffic is
generated.
VLAN tagging provides a method of transferring VLAN information
between VLAN groups. VLAN1is the default VLAN and always contains
untagged ports. All ports are members of VLAN1 by default. If the
untagged port is moved to a new VLAN, the port is removed from
VLAN1. For example: If an untagged port 24 is moved to VLAN 5. The
port will no longer be a member of VLAN1. However, if the port is added
to VLAN5 as a tagged port it then remains untagged in VLAN1.
This section contains the following topics:
■ Viewing VLAN Details
■ Viewing VLAN Port Details
■ Creating VLANs
■ Modifying VLAN Settings
■ Modifying Port VLAN Settings
■ Removing VLANs
- User Guide 1
- 3Com Corporation 2
- 350 Campus Drive 2
- Marlborough 2
- MA 01752-3064 2
- ABOUT THIS GUIDE 3
- 4 ABOUT THIS GUIDE 4
- Related 5
- Documentation 5
- CONTENTS 6
- 3 VIEWING BASIC SETTINGS 7
- 4 MANAGING DEVICE SECURITY 7
- 5 MANAGING SYSTEM INFORMATION 8
- 6 CONFIGURING PORTS 8
- 7 AGGREGATING PORTS 8
- 8 CONFIGURING VLANS 8
- 10 CONFIGURING IGMP SNOOPING 9
- 11 CONFIGURING SPANNING TREE 9
- 12 CONFIGURING SNMP 9
- 14 MANAGING SYSTEM FILES 10
- 16 MANAGING SYSTEM LOGS 10
- 17 VIEWING STATISTICS 10
- A 3COM NETWORK MANAGEMENT 11
- C PIN-OUTS 11
- D TROUBLESHOOTING 11
- E 3COM CLI REFERENCE GUIDE 11
- F GLOSSARY 12
- GETTING STARTED 13
- About the Switch 14
- 2924-PWR 14
- LED Status 16
- Indicators 16
- Specifications 17
- Installing the 18
- Setting Up for 19
- Management 19
- Methods of 19
- Managing a Switch 19
- Switch Setup 20
- Overview 20
- Switch Setup Overview 21 21
- 22 CHAPTER 1: GETTING STARTED 22
- Using the 23
- Command Line 23
- Interface (CLI) 23
- 24 CHAPTER 1: GETTING STARTED 24
- HAPTER 1: GETTING STARTED 26
- Setting Up Web 27
- Interface 27
- Setting Up SNMP 28
- Management V1 or 28
- Default Users and 29
- Passwords 29
- Upgrading 29
- Software using the 29
- USING THE 3COM WEB INTERFACE 30
- Starting the 3Com 31
- Web Interface 31
- Understanding the 33
- 3Com Web 33
- Using Screen and 36
- Table Options 36
- Figure 11 IP Setup Page 37
- Modify Page opens: 38
- 2 Modify the fields 38
- Remove Page opens: 39
- Saving the 40
- Configuration 40
- Resetting the 41
- Restoring Factory 43
- Defaults 43
- Logging Off the 44
- VIEWING BASIC SETTINGS 45
- Figure 19 Color Key Page 48
- MANAGING DEVICE SECURITY 49
- Configuring System 50
- Configuring System Access 51 51
- Configuring System Access 53 53
- Defining RADIUS 55
- Defining Port-Based 57
- Authentication 57
- (802.1X) 57
- 802.1X Global Settings 60
- 802.1X Port Settings 61
- Defining Access 62
- Control Lists 62
- Add Rules to ACL 65
- Modify Rule 77
- Enabling Broadcast 86
- Enabling Broadcast Storm 87 87
- MANAGING SYSTEM 88
- INFORMATION 88
- Figure 39 Device View Page 89
- ■ Configuring System Name 91
- ■ Configuring System Time 91
- Figure 40 System Name Page 92
- Local Settings 93
- Figure 43 Reset Page 97
- CONFIGURING PORTS 98
- through a 100
- ■ Enable — Enables the port 102
- ■ Enabled — Enables the port 104
- AGGREGATING PORTS 106
- HAPTER 7: AGGREGATING PORTS 108
- Figure 52 LACP Modify Page 114
- 2 Define the fields 115
- CONFIGURING VLANS 116
- Figure 53 VLAN Detail Page 117
- HAPTER 8: CONFIGURING VLANS 118
- Figure 55 VLAN Setup Page 119
- Rename VLAN 120
- Figure 56 Modify VLAN Page 121
- Figure 58 VLAN Remove Page 124
- CONFIGURING IP AND MAC 125
- ADDRESS INFORMATION 125
- Figure 59 IP Setup Page 126
- Configuring ARP 127
- Settings 127
- Configuring ARP Settings 129 129
- Configuring ARP Settings 131 131
- Configuring 132
- Address Tables 132
- Figure 67 Port Remove Page 139
- CONFIGURING IGMP SNOOPING 143
- CONFIGURING SPANNING TREE 146
- Global Settings 150
- Bridge Settings 151
- Designated Root 152
- CONFIGURING SNMP 155
- HAPTER 12: CONFIGURING SNMP 156
- SNMP Management 157
- Community String 157
- CONFIGURING QUALITY OF 162
- Figure 77 CoS Summary Page 163
- Figure 78 CoS Setup Page 164
- Figure 83 Trust Setup Page 169
- Ingress Rate Limit 170
- Egress Shaping Rates 171
- Egress Shaping Rate 173
- Defining Voice 174
- Defining Voice VLAN 175 175
- Defining Voice VLAN 177 177
- Defining Voice VLAN 179 179
- OUI List 181
- Defining Voice VLAN 183 183
- MANAGING SYSTEM FILES 184
- ■ Backing Up System Files 185
- ■ Restoring Files 185
- ■ Restore the Software Image 185
- ■ Activating Image Files 185
- Configuration Upload 186
- Configuration Download 187
- Figure 95 Active Image Page 189
- MANAGING POWER OVER 190
- ETHERNET DEVICES 190
- Device Power Display 191
- Ports Power Display 192
- MANAGING SYSTEM LOGS 195
- VIEWING STATISTICS 200
- HAPTER 17: VIEWING STATISTICS 202
- MANAGING DEVICE DIAGNOSTICS 204
- Configuring Port 205
- Mirroring 205
- Viewing Cable 209
- Diagnostics 209
- Figure 104 Diagnostics Page 211
- 3COM NETWORK MANAGEMENT 212
- 3Com Network 213
- Director 213
- Access Manager 213
- FEATURES 215
- DEVICE SPECIFICATIONS AND 215
- ■ Advertise their abilities 216
- PIN-OUTS 221
- Ethernet Port RJ-45 222
- Pin Assignments 222
- Tab le 11 Pin assignments 223
- TROUBLESHOOTING 224
- PPENDIX D: TROUBLESHOOTING 226
- 3COM CLI REFERENCE GUIDE 227
- Password: 228
- Select menu option# 228
- Incorrect Password 228
- ■ URL — URL address to ping 230
- Default Configuration 232
- Select menu option: logout 236
- Username: 236
- GLOSSARY 238
- 240 APPENDIX F: GLOSSARY 240
- 242 APPENDIX F: GLOSSARY 242
- OBTAINING SUPPORT FOR 244
- YOUR 3COM PRODUCTS 244
- Access Software 245
- Downloads 245
- +61 2 9937 5048, or send an 246
- REGULATORY NOTICES 248
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