3com 3800 Manuel d'utilisateur Page 23
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- Table des matières
- DEPANNAGE
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Network Configuration Example 1-5
Priority Access Control Enabled (PACE)
The Switch recognizes the PACE bit set by 3Com Etherlink
®
adapters
and other devices supporting PACE. When enabled, traffic with these
bits receives priority service from the Switch.
Spanning Tree Protocol
(STP)
The Switch 3800 supports the IEEE 802.1d Spanning Tree Protocol
(STP), which is a bridge-based mechanism for providing fault tolerance
on networks. STP allows you to implement parallel paths for network
traffic, and ensure the following:
■ Redundant paths are disabled when the main paths are operational.
■ Redundant paths are enabled if the main traffic paths fail.
For more information on STP, refer to Chapter 7.
IP Unicast Routing
The Switch 3800 can route IP traffic between the VLANs configured as
virtual router interfaces. Both dynamic and static IP routes are
maintained in the routing table. RIP version 1 and RIP version 2 are
supported.
For more information on IP unicast routing, refer to Chapter 8.
Network
Configuration
Example
This section describes where to position the Switch 3800 within your
network. One common use of the Switch 3800 is on a Gigabit Ethernet
backbone. Figure 1-2 shows an example of a Gigabit Ethernet
backbone within a building.
SW3800.BK Page 5 Tuesday, May 5, 1998 5:20 PM
- VCCI Statement 3
- Information To The User 3
- ECHNICAL 11
- PECIFICATIONS 11
- ROUBLESHOOTING 11
- ■ Local Area Networks (LANs) 13
- ■ Ethernet concepts 13
- ■ IP Routing 13
- Finding 14
- Information in This 14
- Table 1 Notice Icons 15
- Table 2 Text Conventions 15
- Command Syntax 16
- Line-Editing 17
- Related 17
- Publications 17
- 6 ABOUT THIS GUIDE 18
- SWITCH 3800 OVERVIEW 19
- Dual-homed 21
- Network 23
- Switch 3800 Front 25
- Table 1-2 Switch 3800 LEDs 26
- Switch 3800 Rear 27
- INSTALLATION AND SETUP 29
- Installing the 30
- Switch 3800 30
- Connecting 32
- Equipment to the 32
- Console Port 32
- Cable connector: 9-pin female 33
- ACCESSING THE SWITCH 37
- Table 3-1 Default Accounts 38
- Methods of 40
- Managing the 40
- Using Telnet 3-5 41
- Table 3-2 Supported MIBs 45
- Table 3-3 Supported Traps 45
- Checking Basic 48
- Connectivity 48
- ■ Configuring autonegotiation 49
- Load Sharing 3-15 51
- Table 3-8 Port Commands 53
- COMMANDS 55
- 4-2 CHAPTER 4: COMMANDS 56
- Command History 59
- Substitution 59
- General Switch 61
- User Account 62
- Switch Management 63
- Table 4-7 VLAN Commands 64
- Table 4-8 Protocol Commands 65
- Table 4-9 FDB Commands 65
- Table 4-10 Port Commands 66
- Table 4-11 PACE Commands 67
- Table 4-12 STP Commands 68
- Table 4-14 IP ARP Commands 71
- IP Route Table 72
- Table 4-17 RIP Commands 74
- Configuration and 77
- Image Commands 77
- HAPTER 4: COMMANDS 78
- VIRTUAL LANS (VLANS) 79
- Marketing 81
- Switch 1 82
- Switch 2 82
- Accounting Engineering 83
- = All other traffic 87
- <hex_value> 88
- Configuring VLANs 89
- ■ EtherType 90
- Displaying VLAN 91
- ■ Status for each port 92
- ■ Protocol information 92
- ■ IP address 92
- ■ STPD information 92
- Deleting and 93
- Resetting VLANs 93
- SWITCH FORWARDING 95
- Configuring FDB 97
- Displaying FDB 97
- Removing FDB 98
- SPANNING TREE PROTOCOL (STP) 99
- ■ Initialization 101
- ■ Stabilization 101
- ■ Reconfiguration 101
- Spanning Tree 102
- Spanning Tree Domains 7-5 103
- STPD 1 STPD 2 104
- STP Configurations 7-7 105
- Sales & Engineering 106
- Enabling STP on 108
- Displaying STP 110
- Settings 110
- Disabling and 112
- Resetting STP 112
- IP UNICAST ROUTING 113
- HAPTER 8: IP UNICAST ROUTING 114
- ■ Static routes 115
- Configuring IP 116
- Unicast Routing 116
- Verifying the IP 117
- Configuration 117
- Configuring 117
- DHCP/BOOTP Relay 117
- (continued) 118
- Routing 122
- = IP traffic 123
- = NetBIOS traffic 123
- Displaying Router 124
- Resetting and 125
- Disabling Router 125
- STATUS MONITORING AND 127
- Port Statistics 9-5 131
- Configure logging options 136
- Reset logging options 136
- Display the log 136
- Clear the log 136
- RMON 9-13 139
- ■ 30-second intervals 140
- ■ 2-hour intervals 140
- Table 9-6 Event Actions 141
- SOFTWARE UPGRADE AND BOOT 143
- Boot Option 145
- Commands 145
- SAFETY INFORMATION 147
- PPENDIX A: SAFETY INFORMATION 148
- ■ CLASS 1 LASER DEVICE 149
- L’information de 150
- Sécurité Importante 150
- Wichtige 154
- Sicherheitsinformat 154
- TECHNICAL SPECIFICATIONS 159
- TROUBLESHOOTING 161
- Using the 162
- Command-Line 162
- Interface 162
- PPENDIX C: TROUBLESHOOTING 164
- TECHNICAL SUPPORT 167
- PPENDIX D: TECHNICAL SUPPORT 168
- Support from Your 169
- Network Supplier 169
- Returning Products 171
- GLOSSARY 173
- 2 GLOSSARY 174
- 4 GLOSSARY 176
- LIMITED WARRANTY 181
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