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Compaq SW3322 User Manual

Compaq dual-speed switch users guide
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SW3322/SW3323/SW3324
Dual-Speed Switch
User Guide
© 1999 Compaq Corporation. All rights reserved.
Compaq Registered U.S. Patent and Trademark
Office. Company and product names
mentioned herein may be trademarks and/or
registered copyright and trademarks of their
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  • Page 1 SW3322/SW3323/SW3324 Dual-Speed Switch User Guide © 1999 Compaq Corporation. All rights reserved. Compaq Registered U.S. Patent and Trademark Office. Company and product names mentioned herein may be trademarks and/or registered copyright and trademarks of their respective companies.
  • Page 2 USE OF THIS MATERIAL. This publication contains information protected by copyright. No part of this publication may be photocopied or reproduced in any form without prior written consent from Compaq Computer Corporation. The software described in this guide is furnished under a license agreement or non disclosure agreement.

  • Page 3: Table Of Contents

    ......Description ... 1-1 Features ... 1-2 Front Panel ... 1-4 Rear Panel...
  • Page 4 Inspecting Your Shipment ... 2-1 Site Requirements... 2-1 Mounting the Switch on a Table or Shelf ... 2-3 Mounting the Switch in a Rack ... 2-3 Connecting a Terminal to the Console Port... 2-5 Replacing an Installed Gigabit Ethernet Module into the Switch... 2-6 Powering the Switch...
  • Page 5 ......Port Priority Menu... 3-20 Port Menu ... 3-21 Port Configuration Menu... 3-23 Switch Statistics Screen... 3-24 Switch Summary Screen... 3-26 Port Statistics Screen ... 3-27 General Information Screen... 3-29 Download Software Menu...
  • Page 6 Configuring BootP/DHCP... 4-14 The SNMP Protocol ... 5-1 MIB Objects ... 5-2 RFC 1213 (MIB-II) ... 5-3 RFC 1398 (Ethernet MIB)... 5-4 RFC 1493 (Bridge MIB) ... 5-4 RFC 1757 (RMON MIB) ... 5-5 Proprietary MIB Extensions ... 5-5 Compiling MIB Extensions ... 5-7 General ...
  • Page 7 ......Spanning Tree Protocol in a Network ... B-2 Spanning Tree Protocol Parameters... B-3 Spanning Tree Protocol Operation ...
  • Page 8 This manual includes information about how to install, configure, and operate the Compaq SW3322/SW3323/SW3324 Dual-Speed Switch. We recommend that you read all chapters in this manual to become familiar with the switch’s features and to ensure a successful installation. This guide is intended for Ethernet local area network (LAN) administrators...
  • Page 9 ......WTIGMJMGMRWXVYGXMSRW   8I\XWIXSJJMRXLMWQERRIVTVIWIRXWMRJSVQEXMSRSJMRXIVIWX This guide uses the following conventions for keyboard entries: When you read “enter,”...
  • Page 10 ......Chapter 1, Overview: Describes the features of the switch, front and rear panel components and application examples.

  • Page 11: Description

    Chapter 1 Overview Description This user guide describes the Compaq SW3322, SW3323, and SW3324 Dual- Speed Switch. These IEEE 802.1D-compliant Ethernet switches support 24 IEEE 802.3u 100Base-TX Fast Ethernet ports. Each port can alternatively operate as an IEEE 802.3i 10Base-T port. Additionally, the SW3324 switch features two Gigabit Ethernet ports which operate at 1 Gb/s.

  • Page 12: Features

    Architecture: 8-port 10/100 switch ASIC in a distributed switching architecture 4.2 Gb/s internal switching fabric 12 MB packet buffering (512 KB/port) for SW3322 and SW3323 28 MB packet buffering for SW3324 MAC address supported per switch ASIC 4096 SW 3322/23 SW3324 IEEE 802.3u auto-negotiation for full/half duplex and 10/100 Mb/s...
  • Page 13 1493), Ethernet MIB (RFC 1398), RMON - Statistics, History, Alarm and Event groups per port (RFC 1757), private MIB extensions As a standard feature, Compaq Network Management Software is included at no additional charge with the switch. You can immediately configure the switch, get detailed port-level information, graph performance statistics, and more.

  • Page 14: Front Panel

    Overview Front Panel Figure 1-1 shows the front panel of the SW3322, SW3323, and SW3324 switch. Gigabit Ethernet LEDs Gigabit Ethernet ports Figure 1-1 SW3322, SW3323, and SW3324 Front Panel Figure 1-2 shows the Link (L) and Activity (A) port LEDs for 24 10Base- T/100Base-TX ports (default configuration).
  • Page 15 Activity Ports 13-16 Full/Half Duplex Ports 9-12 10/100 Speed Ports 9-12 Full/Half Duplex Ports 13-16 10/100 Speed Ports 13-16 Compaq SW3322/SW3323/SW3324 Dual-Speed Switch User Guide Link Ports 17-20 Activity Ports 17-20 Link Ports 21-24 Activity Ports 21-24 Full/Half Duplex Ports 17-20...

  • Page 16: Front Panel Components

    100M/Full Duplex mode. This button has no affect when using Multi-mode fiber Ports 1 and 2 (SW3323). Lights steady green to indicate power is supplied to the switch. Off indicates no power is supplied to the switch. Lights steady green after a reset and remains on until successful completion of power-on self tests.
  • Page 17 Link LED On: Indicates a valid connection (link) on the associated port. Link LED Off: Indicates no link on the associated port. Activity LED flashing: Indicates the presence of transmit and/or receive activity. Activity LED Off: Indicates the absence of transmit or receive activity. Compaq SW3322/SW3323/SW3324 Dual-Speed Switch User Guide...

  • Page 18: Rear Panel

    Overview Rear Panel Figure 1-4 shows the SW3322/SW3323/SW3324 rear panel and Table 1-3 defines the rear panel components. Figure 1-4 SW3322/SW3323/SW3324 Rear Panel Table 1-3 defines the performance of the port LEDs for the 10Base-T/100Base- TX ports with the LED mode button pressed.

  • Page 19: Feature Summaries

    IEEE 802.1D Bridge The Compaq switch is fully compliant with IEEE 802.1D transparent bridging specifications. An aggregate address table containing 4096 entries per 8 switch ports is provided for learning, filtering, and forwarding. The 24-port switch can support up to a maximum of 12,288 addresses.

  • Page 20: Frame Buffering And Frame Latency

    Software Download The switch supports the industry-standard Trivial File Transfer Protocol (TFTP) for downloading software to the switch. All switch software is stored in a 1 MB sectored Flash ROM. The download feature allows you to easily install software upgrades to the unit. Compaq Networking Management Software includes a TFTP server and a configuration application to allow for the software downloads.

  • Page 21: Configuration And Management Interfaces

    ......Configuration and Management Interfaces The switch can be managed using any of the following three methods: Serial console, out-of-band An RS-232 connection, using a DB-9 connector with null modem cable, is supported for out-of-band switch management.

  • Page 22: Rmon

    Additional RMON functionality is available via SNMP. Port Mirroring The switch includes the ability to mirror the traffic being switched on any port for purposes of network traffic analysis and connection integrity. When this feature is enabled, a protocol analyzer or RMON probe is connected to any port in a group of eight.

  • Page 23: Auto-Negotiation

    Broadcast throttling is configurable in the Switch Configuration menu of the console menus or via SNMP. NOTE: The threshold on the rate of broadcast is set for the switch on a global basis. BootP/DHCP The Bootstrap Protocol (BootP) and the Dynamic Host Configuration Protocol (DHCP) provide for the capability of passing configuration information to hosts on a TCP/IP network.

  • Page 24: Leds

    Flow control allows you to manage network traffic during congestion periods and to prevent the loss of packets when port buffer thresholds are exceeded. The SW3322/SW3323/SW3324 can receive pause frames being sent to it, and stop sending traffic on that port. You can configure this ability to receive and respond to pause frames on a port-by-port basis.

  • Page 25: Class Of Service

    The SW3322/SW3323/SW3324 switch is ideal for meeting the needs of today’s high performance networks. Their low cost and high port count make them affordable for dedicated 10/100Mb/s connections to the desktop. And their extensive features, including VLAN capability, provide the management needed for the workgroup and local backbone.

  • Page 26: Local Backbone Application

    100 Mb/s ports. Routers and other networking devices can connect off of the switched backbone as well. Fiber uplinks are available to connect the switch to the corporate backbone, which may be located on another floor or in a separate building.
  • Page 27 ......1-17 Figure 1-6 Local Backbone Application Compaq SW3322/SW3323/SW3324 Dual-Speed Switch User Guide...

  • Page 28: Inspecting Your Shipment

    Compaq SW3322, SW3323, or SW3324 switch AC power cord Rack mount bracket kit Compaq SW3322, SW3323, and SW3324 Switch Quick Install Guide Compaq Networking Management Software CD Compaq Network Management Product Management Module CD SW3322, SW3323, SW3324 along with the User Guide...
  • Page 29 Provide a power source within six feet (1.8 m) of the installation location. This source must provide 100 VAC to 240 VAC, and 50 Hz to 60 Hz power. Power specifications for the switch are shown in Appendix A, “Technical Specifications”.

  • Page 30: Mounting The Switch On A Table Or Shelf

    Mounting the Switch on a Table or Shelf Mount the switch on a table or shelf in a position that allows access to the front panel RJ-45 ports, visibility of the port LEDs, and the power cord. Make sure that the mounting surface can safely support the switch and that there is adequate space around the switch for ventilation and cooling.
  • Page 31 Installation 1. Mount one of the ears to the switch using two (2) of the supplied screws. Repeat this step for the other side of the switch. 2. Slide the switch into the rack and align the holes in the rack mounting ears with the holes in the rack rails.

  • Page 32: Connecting A Terminal To The Console Port

    Alternatively, this port can be connected to an external modem to enable remote dial-in management. If you connect a terminal to the console port prior to powering the switch, you can observe the progress and results of the power-up diagnostics as the switch goes through its initialization process.

  • Page 33: Replacing An Installed Gigabit Ethernet Module Into The Switch

    Installation 2. Connect the interface cable directly to the console port on the switch and tighten the captive retaining screws. 3. Connect the other end of the interface cable to a terminal (in some instances, an adapter may be required to make this connection). You can also use a straight-through cable with a null modem adapter to make the connection to the workstation.

  • Page 34: Powering The Switch

    Powering the Switch To supply power to the switch, do the following: 1. Connect the power cord to the switch and to a grounded three-prong wall outlet (Figure 2-4). WARNING: To reduce the risk of electric shock or damage to the...

  • Page 35: Power-Up

    If you want to display the results of the tests after the switch has already been turned on, turn the power switch off and then back on.

  • Page 36: Rj-45 Connector

    ......After these two tests are performed, the operational software of the switch is loaded.

  • Page 37: Network Cable Requirements

    2-10 Installation Network Cable Requirements Table 2-1 outlines specifications for copper cable. Interface Type 10Base-T 100Base-Tx* *For connections to hubs or other switches, a crossover cable may be necessary. Refer to MDI/MDI-X “Crossover Cable Wiring” section in Appendix A, “Technical Specifications”. Table 2-2 outlines specifications for fiber cable.

  • Page 38: 1000Base-Sx/Lx Ports

    Supported media includes multimode fiber and single mode fiber. Table 2-3 Gigabit Ethernet Fiber Specifications Fiber Type Fiber Diameter Modal Bandwidth (microns) Multimode 62.5 Multimode 62.5 Multimode Multimode Multimode 62.5 Multimode Multimode Single-mode Compaq SW3322/SW3323/SW3324 Dual-Speed Switch User Guide 2-11 Maximum (MHz*km) Length (m) 5000...

  • Page 39: Overview

    When you have connected a terminal to the console port, or used Telnet to access the switch over the network, you can gain access to the console menus. These menus allow you to reconfigure the switch from its factory default settings, as well as to monitor switch status and performance.

  • Page 40: User Access

    READ/WRITE. READ-ONLY access allows you to view switch information, but not modify any operating parameters. READ/WRITE access allows you to both read and modify switch information. You are required to login with a password before obtaining READ/WRITE access. The factory default password is “public”...

  • Page 41: Factory Default Settings

    VLAN Enable VLAN Port Type Table 3-1 Factory Default Settings Default Value 500000 32768 public 1 for 1000 Mbps speed ports 10 for 100Mbps speed ports 100 for 10Mbps speed ports private public 9600 Access Compaq SW3322/SW3323/SW3324 Dual-Speed Switch User Guide...

  • Page 42: Menu Hierarchy

    User Interface Menu Hierarchy Figure 3-2 shows the SW3322/SW3323/SW3324 switch user interface menu hierarchy. System Configuration Menu Switch Configuration Menu Port Menu Switch Statistics Screen General Information Screen Download Software Menu Save Current Configuration Return to Default Configuration Logout Reset...

  • Page 43: Main Menu

    You can configure items such as Forwarding Table, Spanning Tree, and virtual LAN (VLAN) parameters. Shows the configuration of the individual ports on the switch and allows you to modify switch port operation. Presents switch-level and port-level statistics.

  • Page 44: System Configuration Menu

    The IP address of the switch. The subnet mask associated with the IP address of the switch. The default gateway (or router) that the switch sends IP packets destined for a different subnet. Allows you to enable (Yes) or disable (No) the BootP and DHCP protocols for automatically configuring the switch’s IP address information.

  • Page 45: Snmp Configuration Menu

    SNMP Private Community Nameprivate SNMP Public Community Namepublic Trap Destination #1 000.000.000.000 Community Name #1 Trap Destination #2 000.000.000.000 Community Name #2 Trap Destination #3 000.000.000.000 Community Name #3 Trap Destination #4 000.000.000.000 Community Name #4 Compaq SW3322/SW3323/SW3324 Dual-Speed Switch User Guide...

  • Page 46: Switch Configuration Menu

    Trap Destination #4 Switch Configuration Menu The Switch Configuration Menu allows you to modify switching-related configuration parameters. Select b from the Main Menu to view the Switch Configuration Menu. Figure 3-6 shows the Switch Configuration Menu. SWITCH CONFIGURATION a. Forwarding Table Configuration Menu b.
  • Page 47 The source port for the data to be mirrored. The destination port for the data to be mirrored. Menu for configuring Class of Service for the switch. Allows enable/disable port transmit data mirroring Allows enable/disable port receive data mirroring Compaq SW3322/SW3323/SW3324 Dual-Speed Switch User Guide...

  • Page 48: Forwarding Table Configuration Menu

    Configuration Menu The Forwarding Table Configuration Menu allows you to view and modify forwarding table parameters. Select a from the Switch Configuration Menu to view the Forwarding Table Configuration Menu. Figure 3-7 shows the Forwarding Table Configuration Menu and Table 3-6 describes the Menu.

  • Page 49: Spanning Tree Configuration Menu

    Bridge Priority x. Previous Menu Enter Selection: Figure 3-8 Spanning Tree Configuration Menu Access Control: READ/WRITE Bridge ID Designated Root Root Path Cost Root Port Topology Change Count Compaq SW3322/SW3323/SW3324 Dual-Speed Switch User Guide 32768-000000000000 NO PORT 32768 3-11...

  • Page 50: Spanning Tree Port Configuration Menu

    Description Bridge ID A unique identifier for the bridge (switch) in the Spanning Tree. The ID is a combination of the bridge priority and port 1 MAC address. The bridge in the Spanning Tree with the lowest Bridge ID value, designated as the Designated Root root bridge.
  • Page 51 Allows you to enter a port number to view and modify port parameters in the Spanning Tree Port #n Configuration Menu. PORT NAME PATH COST p. Previous Page f. First Page x. Previous Menu Table 3-8 Compaq SW3322/SW3323/SW3324 Dual-Speed Switch User Guide Access Control: READ/WRITE PORT PRIORITY PORT STATE FORWARDING FORWARDING FORWARDING FORWARDING...

  • Page 52: Spanning Tree Port #N Configuration Menu

    3-14 User Interface Spanning Tree Port #n Configuration Menu The Spanning Tree Port #n Configuration Menu allows you to view Spanning Tree Port Configuration information for an individual port. Select a from the Spanning Tree Port Configuration Menu, enter a port number, and press Enter to view the Spanning Tree Port #n Configuration Menu.

  • Page 53: Vlan Configuration Menu

    Table 3-10 VLAN Configuration Menu Descriptions Description Allows you to enable (Yes) or disable (No) the global VLAN operation of the switch. Allows you to open the VLAN Menu. Menu for configuring VLAN information per port. Compaq SW3322/SW3323/SW3324 Dual-Speed Switch User Guide...

  • Page 54: Vlan Menu

    VLAN name is not required). Ports in VLAN The ports assigned to the VLAN. The maximum number of VLANs is 4094 per switch. VLAN Egress Ports The egress (exit) ports which link the switch to other devices which also include members of the same VLAN.

  • Page 55: Vlan #N Configuration Menu

    Allows you to enter a port in the VLAN. Allows you to remove a port in the VLAN. Allows you to add a VLAN Egress Port. Allows you to remove a VLAN Egress Port. Compaq SW3322/SW3323/SW3324 Dual-Speed Switch User Guide 3-17...

  • Page 56: Vlan Port Menu

    3-18 User Interface VLAN Port Menu The VLAN Port Menu displays a table of VLAN configuration information on a per port basis and allows you to modify the VLAN Port Type. Select c from the VLAN Configuration Menu to view the VLAN Port Menu. Figure 3-14 shows the VLAN Port Menu and Table 3-13 describes the Port Menu.

  • Page 57: Class Of Service Configuration Menu

    Service settings for the system as well as to set the Class of Service for VLAN tagged frames. Select k from the Switch Configuration Menu to view the Class of Service Configuration Menu. Figure 3-15 shows the Class of Service Configuration Menu and Table 3-14 describes the menu.

  • Page 58: Port Priority Menu

    3-20 User Interface Port Priority Menu The Port Priority Menu allows you to modify and display a table that shows priority queuing configuration information on a per port basis. Select c from the Class of Service Configuration Menu to view the Port Priority Configuration Menu. Figure 3-16 shows the Port Priority Configuration Menu and Table 3-15 describes the menu.

  • Page 59: Port Menu

    DISCONNECTED DISCONNECTED DISCONNECTED DISCONNECTED DISCONNECTED DISCONNECTED DISCONNECTED p. Previous Page f. First Page c. Configure x. Previous Menu Compaq SW3322/SW3323/SW3324 Dual-Speed Switch User Guide 3-21 FULL FLOW CONTROL 100 100TX 100 100TX 100 100TX 100 100TX 100 100TX 100 100TX...
  • Page 60 3-22 User Interface Table 3-16 describes the the Port Menu Field Description The port identification number. Port Name The administrative name assigned to the port (1-14 character range). Enabled The current “enabled” state of the port, either “Yes” or “No.” Link Status The current link state of the port, either “connected”...

  • Page 61: Port Configuration Menu

    Allows you to enable (Yes) or disable (No) the full duplex mode for the port. Port Speed Allows you to set the speed (10 or 100Mbps) for the port. Access Control:READ/WRITE Table 3-17 Port Configuration Menu Descriptions Compaq SW3322/SW3323/SW3324 Dual-Speed Switch User Guide 3-23...

  • Page 62: Switch Statistics Screen

    Port Statistics screens. You can also clear or refresh the statistics. Select d from the Main Menu to view the Switch Statistics Screen. Figure 3-19 shows the Switch Statistics Screen and Table 3-18 describes the screen.
  • Page 63 Number of frames forwarded through the port. Filtered Number of frames filtered on the port. Dropped Number of frames received that were dropped by the switch due to lack of resources. Errored Number of errored frames received on the port. Next Page, Previous Display the selected page of the table.

  • Page 64: Switch Summary Screen

    The Switch Summary Screen allows you to display sum total statistics for all ports of the switch. You can also clear or refresh the statistics. Select s from the Switch Statistics Screen to view the Switch Summary screen. Figure 3-20 shows the Switch Summary Screen and Table 3-19 describes the screen.

  • Page 65: Port Statistics Screen

    The Port Statistics Screen allows you to display statistics for each port on the switch. Many of these statistics correspond to the Statistics group of RMON. You can also refresh or clear the statistics. Select d from the Switch Statistics Screen to view the Port Statistics screen. Figure 3-21 shows the Port Statistics Screen and Table 3-20 describes the screen.
  • Page 66 3-28 User Interface Port Statistics Screen Descriptions continued Field Broadcasts Transmitted Broadcasts Received Multicasts Transmitted Multicasts Received Bytes Transmitted Bytes Received Pause Frames Transmitted Pause Frames Received Collisions Late Collisions CRC/Alignment Errors Undersized Frames Oversized Frames Fragments Jabbers 64 Byte Frames 65 to 127 Byte Frames 128 to 255 Byte Frames 256 to 511 Byte Frames...

  • Page 67: General Information Screen

    The number of minutes the switch has been operational since the last power cycle or reset. Power Up Count The number of times the system has powered up or been reset since the switch was originally shipped from the factory. Access Control: READ/WRITE 1.10.00...

  • Page 68: Download Software Menu

    3-30 User Interface Download Software Menu The Download Software Menu allows you to set up and initiate a software download. Select f from the Main Menu to view the Download Software Menu. Figure 3-23 shows the Download Software Menu and Table 3-22 describes the menu.

  • Page 69: Save Current Configuration

    Save Current Configuration The Save Current Configuration screen ensures that all changes made to the switch via the console menus will be stored in the event of power outages or power cycles. To save your current configuration, do the following: 1.

  • Page 70: Reset

    The Reset screen allows you to restore the latest saved configuration or system defaults if the system configuration has not been saved. To reset the switch, do the following: 1. Select j from the Main Menu to view the Reset screen.

  • Page 71: Common Tasks

    SNMP, or if you use Telnet to access the switch Checking network configuration status and verifying that network connections are correct After the switch is installed and operating, you may want to perform any of the following tasks: Connecting via Telnet for in-band access to the console menus...

  • Page 72: Setting Password Protection

    Setting a default gateway Configuring BootP/DHCP Setting Password Protection The SW3322/SW3323/SW3324 switch is factory-configured with access rights to the console menus set to READ/WRITE. This setting allows anyone to use the console menus to modify any operational parameter. To protect the configuration of the switch from unauthorized modification, you should enable password protection to the console menus.

  • Page 73: Assigning An Ip Address

    Connecting via Telnet You can connect to the switch from a remote location using the Telnet application. This application allows you to establish in-band access to the console menus.

  • Page 74: Setting Snmp Management Access

    Switches can send SNMP messages called traps to SNMP management stations when an important event occurs with the switch. The switch allows up to four destinations to be configured for these trap messages to be sent. To configure SNMP access for the switch, do the following: 1.

  • Page 75: Viewing Switch Statistics

    2. Select Switch Summary from the Switch Statistics Screen. The screen lists a summary of sum total statistics for all ports on the switch. 3. Select Port Statistics from the Switch Statistics Screen. 4. Enter the port number. Press <Enter>.

  • Page 76: Downloading A Software Upgrade

    Downloading a Software Upgrade You can upgrade the operational software in the switch without physically opening the switch or being in the same location. The software storage sector in the flash memory of the switch is reprogrammable. This feature allows you to easily download software feature enhancements and problem fixes to the switch from a local or remote location.

  • Page 77: Downloading Via Tftp

    NOTE: For a TFTP download, the path to the file must be included in its name. For example, if the upgrade file name is switch.bin and it resides in the directry/ usr/tftp on the TFTP server, then you must enter the TFTP file name as ”/usr/tftp/switch.bin”.

  • Page 78: Spanning Tree Protocol In A Network

    Configuring Spanning Tree Parameters The SW3322/SW3323/SW3324 switch supports the IEEE 802.1D Spanning Tree Protocol. This protocol allows redundant connections to be created between LAN segments for fault tolerance. Two or more physical paths between different segments can be created through the switch, with the Spanning Tree Protocol choosing a single path at any given time and disabling all others.

  • Page 79: Configuring Vlans

    To configure VLANs, do the following: 1. Select Switch Configuration Menu from the Main Menu. 2. Select VLAN Configuration Menu. 3. Turn the global switch VLAN operation on or off by toggling the VLAN Enable option by pressing a. 4. Select VLAN Menu.

  • Page 80: Configuring Port Operation

    1. Select Class of Service Configuration Menu from the Switch Configuration Menu. 2. Press a to turn the global switch Class of Service operation on or off by toggling the Class of Service Enable option. 3. Select Priority Threshold and type a number between 0 and 7.

  • Page 81: Configuring The Forwarding Table

    Discard - which drops packets destined for a specific MAC address (and thus provides a security function by blocking certain packets). Local - which is for packets destined for the switch itself (such as a “local” SNMP management packet). Compaq SW3322/SW3323/SW3324 Dual-Speed Switch User Guide...
  • Page 82 Configuring and Monitoring the Switch To configure the forwarding table, do the following: 1. Select Switch Configuration Menu from the Main Menu. 2. Select Forwarding Table Configuration Menu. To either make an existing dynamic entry static (Make Entry Static) or delete a static entry (Delete Static Entry), do the following: 1.

  • Page 83: Configuring Broadcast Cutoff Rate

    MAC addresses. Normally, when the switch receives these packets, they will be forwarded (flooded) to every port. However, if the receiving rate of these packets exceeds the broadcast cutoff rate, the switch will “throttle back” the forwarding of these packets based on the configured Broadcast Cutoff Rate.

  • Page 84: Configuring Bootp/Dhcp

    When this option is enabled, the switch first tries to obtain an IP address from a DHCP server. If this fails, the switch tries to obtain an IP address from a BootP server. If this fails, the switch uses a previously configured IP address, if one exists.
  • Page 85 In Figure 5-1, software in the switch functions as an agent, monitoring and controlling the functionality of the switch. A defined set of variables, referred to as managed objects, is maintained by the agent and used to manage the device. These objects are defined in a Management Information Base (MIB) which allows for a standard presentation of the information controlled by the agent over the network.
  • Page 86 The SNMP manager software uses a MIB specification, equivalent to that which the agent maintains, to read and write objects controlled by the agent for purposes of configuring and monitoring the device. SNMP defines the format of the MIB specifications and the protocol used to access this information. There are three main operations defined in SNMP: Operations that read information from the managed device, such as those used to obtain status or statistical data, are called GET operations.

  • Page 87: Rfc 1213 (Mib-Ii)

    ......The SW3322/SW3323/SW3324 switch supports four standard MIBs: RFC 1213 - Management Information Base for Network Management of...
  • Page 88 The groups specifically defined in RFC 1213 and supported by the switch system software are as follows: System – General information about the agent system Interfaces – Information about the network interfaces of the system Address Translation – Interface address information, both MAC level and network (IP) level IP –...
  • Page 89 ......RFC 1757 is a group defined under MIB-II. This MIB provides management for the RMON aspects of the switch. The SW3322/SW3323/SW3324 switches support four of the nine groups of RMON defined for Ethernet networks on a per port basis.
  • Page 90 ......
  • Page 91 ......The MIBs supported by the switch must be compiled into the SNMP network management platform before the switch can be managed.

  • Page 92: General

    EIA RS-310C (19” rackmount) Certification Emissions: FCC Part 15, Class A, EN55022 (CISPR 22) Safety: UL 1950, cUL CSA 22.2-950, EN60950 (TUV) CE Mark: 89/336/EEC; 93/68//EEC; 73/23/EEC Immunity: IEC 801-2; IEC 801-3; IEC 801-4; EN 50082-1 Compaq SW3322/SW3323/SW3324 Dual-Speed Switch User Guide...

  • Page 93: Data Rate

    A-2 Technical Specifications Data Rate 10 Mb/s Manchester encoded or 100 Mb/s 4B/5B encoded 1000 Mb/s encoded Environmental Specifications Operating temperature: 32 to 113 F ( 0 C to 45 C) Operating humidity: 5 to 95% relative, non-condensing Storage temperature: -22 to 158 F (-30 C to 70 C) Storage humidity: 5 to 95% relative, non-condensing Electrical Specifications Input voltage: 100-240 VAC...

  • Page 94: Memory

    ......Memory § Processor DRAM: 2 MB (SW3322/3323), 4 MB (SW3324) § Packet Buffer Memory: 4 MB/8 ports of 10/100Mb/s, 8MB/Gigabit Ethernet ports §...

  • Page 95: 10Base-T And 100Base-Tx Ports

    Figure A-1 shows the wiring scheme for implementing a crossover cable if needed for connection to the switch’s 10Base-T or 100Base-TX ports. Such a cable may be required when connecting the switch to another switch or a hub device. Figure A-1 External Crossover Cable Wiring...

  • Page 96: Spanning Tree Protocol Parameters

    The switch meets the requirements of the Spanning Tree Protocol (STP) by performing the following functions: Creates a single spanning tree from any arrangement of switching or bridging elements.
  • Page 97 ......Figure B-1 illustrates the use of three SW3322 switches to establish an effective Spanning Tree configuration.
  • Page 98 ......Several configuration parameters control the operation of the Spanning Tree Protocol. Table B-1 describes the parameters and lists the switch default settings for each parameter. The values listed in the table are for a 24 port...
  • Page 99 ......For detailed information on the operation of the Spanning Tree Protocol, consult Section 4 of IEEE Standard 802.1D, ISO/IEC 10038:1993.
  • Page 100 ......When the Spanning Tree Protocol is enabled for the first time or when there is a change in the network topology, such as a failure or the addition or removal of a component, the Spanning Tree Protocol automatically sets up the active topology of the current network.
  • Page 101 If there is a change in the network topology due to a failure or the removal or addition of any active components, the active topology also changes. This may trigger a change in the state of some blocked ports. There are five (5) states that the ports can be in for spanning tree: Blocking: A port in this state does not participate in the transmission of frames, thus preventing duplication arising through multiple paths...

  • Page 102: Vlans And Frame Tagging

    In Figure C-1, the workstations attached to the first switch are members of the same two VLANs as the workstations attached to the second switch. The 802.1Q tag carries the VLAN information between the two switches.

  • Page 103: Vlan Access Ports

    SNMP. VLAN Access Ports SW3322/SW3323/SW3324 ports can be configured as one of two types for the purpose VLAN configuration: access or hybrid. A VLAN access port is used to connect one or more VLAN-unaware devices into a port of a VLAN device.

  • Page 104: Vlan Hybrid Ports

    In example 1 in Figure C-3A, two different VLANs are configured as X and Y. A packet arrives (1) with a tag for VLAN Z, goes straight through the switch (2) and back out (3), destined for VLAN Z, a VLAN Z-aware end-user workstation.

  • Page 105: Vlan Application Example

    VLAN X (3) with the tag stripped off. The packet thus comes in and out of the switch port untagged, the same as the access port type case in Figure C-2. Figure C-3B VLAN Hybrid Ports (Examples 3 and 4)
  • Page 106 ......Figure C-4 VLAN Application Example using SW3323 Switches Compaq SW3322/SW3323 Dual-Speed Switch User Guide...
  • Page 107 As traffic enters the switch, it is assigned to one of the two priority levels according to information located in the header tag of the packet (see Appendix D, “Virtual LANs”) or according to the incoming port number. Packets are then placed into one of two transmit queues on the outbound switch port based on their priority level.
  • Page 108 The tagged header in the frame governs individual frame priority. Figure D-1 shows priority queuing operating within a switch. Packets coming in through ports 1 and 4 are tagged as normal traffic and placed in a normal queue on an outbound port. Packets coming in through ports 2 and 5 are tagged as high priority traffic and placed in a high priority queue on an outbound port.

  • Page 109: Class Of Service

    ......10Base-T 100Base-TX 1000Base-SX 1000Base-LX ANSI ASIC BootP BPDU CAT5 CSMA/CD DHCP ICMP IEEE...
  • Page 110 Receive Data SNMP Simple Network Management Protocol Spanning Tree Protocol TCP/IP Transmission Control Protocol/Internet Protocol TFTP Trivial File Transfer Protocol Transmit Data Unshielded Twisted Pair VLAN Virtual Local Area Network Wide Area Network...
  • Page 111 The FCC requires the user to be notified that any changes or modifications made to this device that are not expressly approved by Compaq Computer Corporation may void the user's authority to operate the equipment. The cables you supply when connecting to this device must be shielded cables with metallic RFI/EMI connector hoods to maintain compliance with FCC Rules and Regulations.
  • Page 112 ......The Center for Devices and Radiological Health (CDRH) of the U.S. Food and Drug Administration implemented regulations for laser products on August 2, 1976.
  • Page 113 ......Products with the CE Marking comply with both the EMC Directive (89/336/EEC) and the Low Voltage Directive (73/23/EEC) issued by the Commission of the European Community.
  • Page 114 Software 1-3 Compaq Networking Management Software 1-10 Compaq Networking Management Software CD 2-1 Compaq proprietary MIB extensions Compaq SW3322 1-1, 2-1 Compaq SW3322 switch 1-9 Computer system running communications software 1-11 Configuration BPDUs 3-12 Configuring Port Mirroring 4-5 Configuring the switch...
  • Page 115 setting 4-13 Default Gateway field 4-7 Default Gateway parameter 4-13 Directry usr/tftp 4-7 Download Software Menu 1-10, 3-30 Downloading a Software Upgrade Downloading Via TFTP 4-7 Downloading Via the Serial Port 4-6 Duplex Mode 1-14 Duplex Mode parameter 1-14 Dynamic Host Configuration Protocol 1-13 Ethernet Carrier Sense Multiple collision detection portion of 1-14...
  • Page 116 Mirror 4-5 Mirrored Port 3-9 Mirroring Port 3-9 Modes of access read-only and read/write 3-2 Mounting ears 2-3 Mounting the Switch 2-3 rack 2-3 Network Configuration Status 4-3 Network Management of TCP/IP 5-3 Password protection 1-11 Password Protection 4-2 Path Cost 3-13, 3-14...
  • Page 117 Rear Panel 1-8 Remote Monitoring 1-1 Reset 3-5 Resetting the Switch 3-32 Return to Default Configuration 3-31 RFC 1213 5-3 RFC MIBs 5-5 RJ-45 LED mode button 1-7 RJ-45 LEDs 1-14 RJ-45 port LEDs 1-6, 1-14 RMON 1-12 RMON Statistics 1-12...
  • Page 118 Static Entry 3-11 Store-and-forward 1-10 Subnet Mask 4-3 SW3322/SW3323 switch user interface menu hierarchy 3-4 SW3322/SW3323 User Interface 3-1 SW3322/SW3323 User Interface Menu Hierarchy 3-4 SW3323 Dual-Speed Switch 1-1, 2-1 Switch Configuration Menu 1-12, 3-8, 3-9, 3-10, 3-11, 3-15, 3-19,...
  • Page 119 VLAN Menu 3-15, 3-16, 3-17 VLAN Menu displays 4-9 VLAN n Configuration Menu 3-16, 3-17 VLAN n Configuration Menu displays VLAN Port Menu 3-18, 4-9 VLAN Port Name 3-17 VLAN Port Type 3-18 VLANs 1-14 configuring 4-9 Wiring closets 2-3 Workgroup hubs 1-16 XMODEM software 1-10...

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