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Information To The User
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C
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VERVIEW
3800 O
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Finding Information in This Guide
This table shows where to nd specic information in this guide.
Conventions
guide.
Table 1 Notice Icons
Table 2 Text Conventions
Command Syntax Symbols
Table 3 Command Syntax Symbols
Line-Editing Commands
Related Publications
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About the Switch 3800
Summary of Features
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Dual-homed
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Network Conguration Example
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Switch 3800 Front View
Table 1-1 Media Types and Distances
Table 1-2 Switch 3800 LEDs
Switch 3800 Rear View
Factory Defaults
Table 1-3 Switch 3800 Factory Defaults
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Following Safety Information
Determining the Switch 3800 Location
Installing the Switch 3800
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Connecting Equipment to the Console Port
Figure 2-2 shows the pin-outs for a 9-pin to RS-232 25-pin null modem cable.
Figure 2-3 shows the pin-outs for a 9-pin to 9-pin PC-AT serial null modem cable.
Powering-up the Switch
Checking the Installation
Logging on for the First Time
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Security Access Levels
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Methods of Managing the
Using Telnet
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Using SNMP
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Table 3-4 describes SNMP conguration commands.
Table 3-4 SNMP Conguration Commands
Checking Basic Connectivity
Conguring Ports
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Load Sharing
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SmartRedundancy
Port Commands
Table 3-8 Port Commands (continued)
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Understanding the Command Syntax
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Line-Editing Commands
command-line interface.
Table 4-1 Command Syntax Symbols (continued)
Table 4-2 Line-Editing Commands
Command History Substitution
can display a list of these commands by typing
Common Commands
Commands specic to a particular feature are described in the other chapters of this guide.
Table 4-3 Common Commands
Switch 3800 Commands
General Switch Commands Table 4-4 describes general Switch commands.
Table 4-4 General Switch Commands
User Account Commands Table 4-5 describes user account commands.
Table 4-4 General Switch Commands (continued)
Table 4-5 User Account Commands
Switch Management Commands Table 4-6 describes Switch management commands
Table 4-6 Switch Management Commands
VLAN Commands Table 4-7 describes VLAN commands.
Table 4-6 Switch Management Commands (continued)
Table 4-7 VLAN Commands
Protocol Commands Table 4-8 describes protocol commands.
FDB Commands Table 4-9 describes FDB commands.
Table 4-8 Protocol Commands
Table 4-9 FDB Commands
Port Commands Table 4-10 describes port commands.
Table 4-9 FDB Commands (continued)
Table 4-10 Port Commands
PACE Commands Table 4-11 describes PACE commands.
Table 4-10 Port Commands
Table 4-11 PACE Commands
STP Commands Table 4-12 describes STP commands.
Table 4-12 STP Commands
Table 4-12 STP Commands (continued)
Basic IP Commands Table 4-13 describes basic IP commands.
Table 4-13 Basic IP Commands
IP ARP Commands Table 4-14 describes IP ARP commands.
Table 4-13 Basic IP Commands (continued)
Table 4-14 IP ARP Commands
IP Route Table Commands Table 4-15 describes IP route table commands.
ICMP Commands Table 4-16 describes the commands used to congure the ICMP protocol.
Table 4-15 IP Route Table Commands
Table 4-16 ICMP Commands
Table 4-16 ICMP Commands (continued)
RIP Commands Table 4-17 describes the commands used to congure the RIP protocol.
Table 4-17 RIP Commands
Table 4-17 RIP Commands (continued)
Logging Commands Table 4-18 describes Switch logging commands.
Table 4-18 Logging Commands
Conguration and Image Commands Table 4-19 describes conguration and image commands.
Table 4-18 Logging Commands (continued)
Table 4-19 Conguration and Image Commands
Table 4-19 Conguration and Image Commands (continued)
5
Overview of Virtual LANs
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Marketing Finance
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Accounting Engineering
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Figure 5-4 illustrates the physical view of a network that uses tagged and untagged trafc.
Figure 5-4 Physical diagram of tagged and untagged trafc
Figure 5-5 shows a logical diagram of the same network.
Figure 5-5 Logical view of tagged and untagged trafc
Marketing
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Conguring VLANs on the Switch 3800
Table 5-1 describes the commands used to congure a VLAN.
VLAN Conguration Examples The following example creates a port-based VLAN named accounting,
assigns the IP address 132.15.121.1, and assigns ports 1, 2, 3, and 6 to it:
Table 5-1 VLAN Conguration Commands
Displaying VLAN Settings
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Deleting and Resetting VLANs
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FDB
Overview of the
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Conguring FDB Entries
Displaying FDB Entries
Removing FDB Entries
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Overview of the Spanning Tree Protocol
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Spanning Tree Domains
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STP Congurations
STPD 1 STPD 2
Sales, Personnel, Marketing
Manufacturing, Engineering, Marketing
Sales, Personnel, Manufacturing, Engineering, Marketing
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STP Congurations to Avoid
Marketing & Sales Marketing, Sales & Engineering
Sales & Engineering
Creating STP Domains
Marketing & Sales Marketing, Sales & Engineering
Sales & Engineering
Enabling STP on the Switch
Conguring STP
Table 7-1 STP Conguration Commands (continued)
Displaying STP Settings
Sample output from the command is as follows:
Disabling and Resetting STP
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Overview of IP Unicast Routing
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Conguring IP Unicast Routing
Verifying the IP Unicast Routing
Conguring DHCP/BOOTP Relay
Table 8-1 describes the commands used to congure basic IP settings on the Switch.
Table 8-1 Basic IP Commands
Table 8-2 describes the commands used to congure the IP route table.
Table 8-3 describes the commands used to congure RIP.
Table 8-1 Basic IP Commands (continued)
Table 8-2 Route Table Conguration Commands
Table 8-3 RIP Conguration Commands
Table 8-3 RIP Conguration Commands (continued)
Table 8-4 describes the commands used to congure the ICMP protocol.
Table 8-3 RIP Conguration Commands (continued)
Table 8-4 ICMP Conguration Commands
Routing Conguration Example
Figure 8-2 Unicast Routing Conguration Example
= IP traffic = NetBIOS traffic
Displaying Router Settings
commands listed in Table 8-5.
Table 8-5 Router Show Commands
Resetting and Disabling Router Settings
Table 8-5 Router Show Commands (continued)
Table 8-6 Router Reset and Disable Commands
Table 8-6 Router Reset and Disable Commands (continued)
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Status Monitoring
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Port Statistics
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Port Errors
Switch Logging
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Logging Commands The commands described in Table 9-4 allow you to do the following:
Table 9-4 Logging Commands
RMON
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Upgrading the Software
Saving Conguration Changes
Boot Option Commands
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Important Safety Information
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Linformation de Scurit Importante
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Wichtige Sicherheitsinformat ionen
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Physical Dimensions
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LEDs
Using the Command-Line Interface
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Online Technical Services
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Support from Your Network Supplier
D-4 APPENDIX D: TECHNICAL SUPPORT
Support from 3Com
Regional Sales Office Telephone Number Regional Sales Office Telephone Number
Returning Products for Repair
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