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3Com 3800 Table 1-1 Media Types and Distances, Table 1-2 Switch 3800 LEDs

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1-8 CHAPTER 1: SWITCH 3800 OVERVIEW

For more information on 1000BASE-SX and 1000BASE-LX characteristics refer to IEEE Draft P802.3z/D4.2 Tables 38-2 and 38-6.LEDsTable 1-2 describes the LED behavior on the Switch 3800.

Table 1-1 Media Types and Distances

Standard Media Type Mhz/Km Rating Maximum Distance

10BASE-T Category 3 UTP Cable (10Mbps) 100 Meters

100BASE-TX Category 5 UTP Cable (100Mbps) 100 Meters

1000BASE-SX

(850 nm) 62.5/125 um Multimode fiber

62.5/125 um Multimode fiber

50/125 um Multimode fiber

50/125 um Multimode fiber

160

200

400

500

220 Meters

275 Meters

500 Meters

550 Meters

1000BASE-LX

(1300 nm) 62.5/125 um Multimode fiber

50/125 um Multimode fiber

50/125 um Multimode

10u Single-mode fiber

500

400

500

NA

550 Meters

550 Meters

550 Meters

5,000 Meters

Table 1-2 Switch 3800 LEDs

LED Color Indicates

10/100Mbps Port Status LEDs

Green

Yellow

Green flashing

Off

Link is present; port is enabled.

Frames are being transmitted/received on this

port.

Link is present; port is disabled.

Link is not present.

Gigabit Ethernet Port Status LEDs

Packet Yellow

Off

Frames are being transmitted/received on this

port.

No activity on this port.

Status Green

Green flashing

Off

Link is present; port is enabled; full-duplex

operation.

Link is present; port is disabled.

Link is not present.

(continued)

SW3800.BK Page 8 Tuesday, May 5, 1998 5:20 PM

Contents

Main 3Com Corporation 5400 Bayfront Plaza Santa Clara, California 95052-8145 CSA Statement FCC Statement Electromagnetic Compatibility VCCI Statement Information To The User Page C ONTENTS VERVIEW 3800 O WITCH NSTALLATION WITCH S HE I ETUP AND OMMANDS C Page PANNING OUTING R NICAST ROTOCOL REE 9 A B UPPORT ECHNICAL D Page A BOUT T HIS G 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 Page 1 About the Switch 3800 Summary of Features Page Dual-homed Page Network Conguration Example Page 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 2 Following Safety Information Determining the Switch 3800 Location Installing the Switch 3800 Page 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 Page Page 3 Security Access Levels Page Page Methods of Managing the Using Telnet Page Page Using SNMP Page Page Table 3-4 describes SNMP conguration commands. Table 3-4 SNMP Conguration Commands Checking Basic Connectivity Conguring Ports Page Load Sharing Page SmartRedundancy Port Commands Table 3-8 Port Commands (continued) 4 Understanding the Command Syntax Page Page 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 Page Marketing Finance Page Accounting Engineering Page 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 Page Page Page 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 Page Deleting and Resetting VLANs Page 6 D FDB Overview of the Page Conguring FDB Entries Displaying FDB Entries Removing FDB Entries 7 Overview of the Spanning Tree Protocol Page Page Spanning Tree Domains Page STP Congurations STPD 1 STPD 2 Sales, Personnel, Marketing Manufacturing, Engineering, Marketing Sales, Personnel, Manufacturing, Engineering, Marketing Page 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 8 Overview of IP Unicast Routing Page Page 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) 9 S Status Monitoring Page Page Port Statistics Page Port Errors Switch Logging Page Page Logging Commands The commands described in Table 9-4 allow you to do the following: Table 9-4 Logging Commands RMON Page Page Page Page Page 10 O Upgrading the Software Saving Conguration Changes Boot Option Commands Page A Important Safety Information Page Page Linformation de Scurit Importante Page Page Page Wichtige Sicherheitsinformat ionen Page Page Page Page B Physical Dimensions Page C LEDs Using the Command-Line Interface Page Page Page Page D Online Technical Services Page 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 Page G Page Page Page I Numerics A B C L M N O P T U V W Page 3Com Corporation LIMITED W H S STANDARD WARRANTY S W ARRANTIES E L IMITATION OF L IABILITY G OVERNING L AW