Extreme Networks Summit1 Manuale utente

Extreme Networks, Inc.

10460 Bandley Drive

Cupertino, California 95014

(888) 257-3000

http://www.extremenetworks.com

Summit Switch

Installation and User

Guide

Published September 1997

SUMMIT.BK Page i Thursday, September 25, 1997 12:33 PM

Extreme Networks, Inc., 1997.

reproduced in any form or by any means or used to make any derivative work (such as translation,

transformation, or adaptation) without permission from Extreme Networks, Inc.

Extreme Networks, ExtremeWare, Summit, and the Extreme Networks logo are trademarks of Extreme

Networks.

All other brand and product names are registered trademarks or trademarks of their respective

holders.

SUMMIT.BK Page ii Thursday, September 25, 1997 12:33 PM

UMMIT

WITCH

NSTALLATION

AND

SER

UIDE I

REFACE

This preface provides an overview of this guide, describes guide conventions, tells you

where to look for speciÞc information and lists other publications that may be useful.

NTRODUCTION

This guide provides the required information to install and conÞgure the Summit1 and

Summit2 Gigabit Ethernet Switch.

This guide is intended for use by network administrators who are responsible for

installing and setting up network equipment. It assumes a basic working knowledge of

Local Area Networks (LANs)

Ethernet concepts

Ethernet switching and bridging concepts

Simple Network Management Protocol (SNMP)

If the information in the Release Notes shipped with your Switch differs from the

information in this guide, follow the Release Notes.

ERMINOLOGY

When features, functionality, or operation is speciÞc to a particular model of the

Summit family, the model name is used (for example, Summit1 or Summit2).

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Explanations about features and operations that are the same among all members of the

Summit family simply refer to the product as the Summit.

ONVENTIONS

Table 1 and Table 2 list conventions that are used throughout this guide.

Table 1:

Notice Icons

Icon Notice Type Alerts you to...

Note Important features or instructions.

Caution Risk of personal injury, system damage,

or loss of data.

Warning Risk of severe personal injury.

Table 2:

Text Conventions

Convention Description

Screen displays

This typeface represents information as it appears on the screen

The words “enter”

and “type” When you see the word “enter” in this guide, you must type

something, and then press the Return or Enter key. Do not press the

Return or Enter key when an instruction simply says “type.”

[Key] names Key names appear in text in one of two ways:

■

Referred to by their labels, such as “the Return key” or “the

Escape key”

■

Written with brackets, such as [Return] or [Esc]

If you must press two or more keys simultaneously, the key names

are linked with a plus sign (+). Example:

Press [Ctrl]+[Alt]+[Del].

Words in

italicized

type Italics emphasize a point or denote new terms at the place where

they are defined in the text.

Words in

boldface

type Bold text denotes key features.

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UMMIT

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ELATED

UBLICATIONS

The command syntax is explained in Chapter 4.

ELATED

UBLICATIONS

The Summit documentation set includes the following:

Summit Quick Reference Guide

Summit Release Note

You may Þnd the following Web site of interest:

Extreme Networks Home Page: http://www.extremenetworks.com/

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NSTALLATION

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1-1

Summit Overview

This chapter describes the following:

Summit1 and Summit2 features

How to use the Summit family of switches in your network conÞguration

Summit front views

Summit rear view

Factory default settings

BOUT

THE

UMMIT

AMILY

WITCHES

Network managers are currently faced with the challenge of creating networks that can

provide ultra-fast speed and high performance to serve the needs of todayÕs network

users, while simultaneously preserving the investment they have made in Ethernet and

Fast Ethernet technology.

By addressing the entire spectrum of Ethernet data rates (10/100/1000 Mbps), the

Summit family of LAN switches enables you to introduce high-speed Gigabit Ethernet

backbones into your existing network, while maintaining established connections to the

10 Mbps and 100 Mbps segments that already exist.

SUMMIT.BK Page 1 Thursday, September 25, 1997 12:33 PM

1-2 S

UMMIT

WITCH

NSTALLATION

AND

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UMMIT

VERVIEW

UMMARY

EATURES

The Summit family of switches is comprised of two models: the Summit1 and the

Summit2.

Both switches have the following features:

Support for 128K addresses in the Switch forwarding database

Fully nonblocking operation

All ports transmit and receive packets at wire speed

Autonegotiation for half- or full-duplex operation

Optional redundant power supply

Redundant physical Gigabit Ethernet backbone connection

Virtual local area networks (VLANs) including support for 802.1Q

Quality of Service (QoS)

Spanning Tree Protocol (STP) (IEEE 802.1D) with multiple STP domains

Wirespeed Internet Protocol (IP) routing via Routing Information Protocol (RIP)

version 1 and RIP version 2

Integrated network management

Console connection

Telnet connection

Web interface

Simple Network Management Protocol (SNMP) support

ORT

ONNECTIONS

The Summit1 provides eight Gigabit Ethernet ports. Six of the ports are Þxed

1000Base-SX ports using 850nm duplex SC connectors. Two of the ports are modular,

and support the standard Gigabit Interface Connector (GBIC). This enables you to select

various types of Þber and copper modules to support longer distances or lower cost.

The Summit1 can be ordered with either two 1000Base-SX or two 1000Base-LX GBIC

transceivers already installed. GBIC transceivers can also be ordered separately.

SUMMIT.BK Page 2 Thursday, September 25, 1997 12:33 PM

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1-3

UMMARY

EATURES

Figure 1-1 shows the front view of the Summit1.

Figure 1-1: Summit1 front view

The Summit2 is a workgroup switch featuring sixteen 10Base-T/100Base-TX ports, two

Gigabit Ethernet uplinks, and one redundant Gigabit Ethernet uplink. The

10Base-T/100Base-TX ports use standard RJ-45 connectors. They are autosensing for

10/100 Mbps operation, as well as half- or full-duplex operation. The Gigabit Ethernet

interfaces support the GBIC connector, and ship with standard 1000Base-SX, 850nm

GBIC modules. Additional cable types are also supported.

Figure 1-2 shows the front view of the Summit2

Figure 1-2: Summit2 front view

Port status LEDs

Gigabit Ethernet ports

Unit status LEDs

Gigabit Ethernet ports

Port status LEDs

10/100 Mbps ports

Unit status LEDs

Gigabit Ethernet ports

SUMMIT.BK Page 3 Thursday, September 25, 1997 12:33 PM

1-4 SUMMIT SWITCH INSTALLATION AND USER GUIDE

UMMIT

VERVIEW

FULL-DUPLEX

The Summit Switch provides full-duplex support for all ports. Full-duplex allows

frames to be transmitted and received simultaneously and, in effect, doubles the

bandwidth available on a link. All 10/100 Mbps ports on the Summit autonegotiate for

half- or full-duplex operation.

PORT REDUNDANCY

The Summit2 has an optional redundant Gigabit Ethernet port. Using the redundant

port, you can dual-home the Summit2 to one or two Switches. Figure 1-3 illustrates a

Summit2 dual-homed to two different Switches.

Figure 1-3: Dual-homing conﬁguration

In the event that the active port fails or loses link status, the redundant port is

automatically activated. When the primary port resumes operation, the redundant port

becomes inactive. The redundant port cannot be used for load sharing.

VIRTUAL LANS(VLANS)

The Summit has a VLAN feature that enables you to construct your broadcast domains

without being restricted by physical connections. Up to 255 VLANs can be deÞned on

the Summit. A VLAN is a group of location- and topology-independent devices that

communicate as if they were on the same physical local area network (LAN).

Implementing VLANs on your network has the following three advantages:

Dual-homed

Backup Active

SUMMIT.BK Page 4 Thursday, September 25, 1997 12:33 PM

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