Enterasys Networks VH-4802 manual Software Download, Non-Volatile Parameter Storage

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Software Download

The VH-4802 switch supports the industry-standard Trivial File Transfer Protocol (TFTP) for downloading software to the switch. All switch software is stored in a 2 MB sectored flash ROM. The download feature allows you to easily install software upgrades to the unit. Software can alternatively be downloaded via the serial console port using the XMODEM protocol.

A TFTP software download is invoked via the Management Setup Menu using the console menus. A TFTP download can also be invoked using the on-board Web agent or via SNMP.

Non-Volatile Parameter Storage

Important operating parameters such as IP addresses, Spanning Tree configuration, and management security parameters, are stored in non- volatile flash memory. These values are retained when the switch experiences power interruptions or is powered down for normal maintenance.

Configuration and Management Interfaces

The VH-4802 switch can be managed using any of the following methods:

Serial console, out-of-band

An RS-232 connection, using a DB-9 connector, is included on the rear panel for system management. Serial console management can be performed out-of-band using a terminal or computer running communications software. You can connect directly to the RS-232 port on the rear panel, or make a connection via a modem. See the Management Guide for information on managing the VH-4802 switch via the serial console.

Telnet, in-band (over Ethernet)

The switch supports management through a Telnet connection using the TCP/IP protocols. Telnet is performed using a terminal or computer running communications software. See the Management Guide for information on managing the system via Telnet. Global user name and password protection for changing the operating parameters of the switch is provided.

Web-based network manager, in-band

The system can be managed over HTTP protocol with a Web browser (Internet Explorer 4.0 or above, or Netscape Navigator 4.0 or above). Standard agent MIBs embedded in the switch provide basic SNMP management through an embedded graphic interface.

8 Product Overview

VH-4802

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Contents Fast Ethernet Switch User GuidePage 9033630 FCC Notice Warnhinweis Faseroptikanschlüsse Optische Sicherheit Safety Information Wichtige Sicherheitshinweise Germany Enterasys NETWORKS, INC Program License Agreement 9033630 Declaration of Conformity Viii Table of Contents Index Audience PrefacePurpose ConventionsOrganization Other ConventionsProduct Overview DescriptionFeatures Tftp Front Panel Front Panel ComponentsOptional Modules Optional Modules Optional Module ComponentsRear Panel Rear Panel ComponentsSpanning Tree Protocol Feature SummariesIeee 802.1D Bridge Frame Buffering and Frame LatencySoftware Download Configuration and Management InterfacesNon-Volatile Parameter Storage Rmon Port MirroringAuto-negotiation BootPFull Duplex Mode LEDsVirtual LANs VLANs Class of ServiceFlow Control Port TrunkingFactory Defaults Factory Default SettingsGvrp Application Examples Client/Server Network Application Client/Server Network ApplicationLocal Backbone Application Local Backbone ApplicationInspecting Your Shipment InstallationSite Requirements Mounting the Switch on a Table or Shelf Mounting the Switch in a Rack Mounting the Switch in a RackInstalling an Optional Module into the Switch Installing an Optional Module into the SwitchConnecting a Terminal to the Console Port Console Port Out-of-Band ConnectionsRemote Management via the Console Port In-Band ConnectionsPowering the Switch Connecting the Power CordCopper Network Cable RequirementsFiber Base-LX Fiber Specifications 10Base-T/100Base-TX Ports100Base-FX/1000Base-SX/LX Fiber Ports Fiber Uplink ModulesAppendix A. Technical Specifications GeneralElectrical Specifications Physical Specifications10Base-T and 100Base-TX Ports Port SpecificationsConsole Port Table A-1. RS-232 Console Port Pin AssignmentsMDI/MDI-X Crossover Cable Wiring Power Cord Set RequirementsGeneral Requirements Table A-3. Power Cord Set Requirements by Country Country-Specific RequirementsTechnical Specifications VH-4802 Appendix B. Flow Control Flow Control VH-4802 Appendix C. Acronyms & Abbreviations Term DefinitionSnmp Index Index VH-4802 9033520 Index Index VH-4802 Page 150420-102 R01