Extreme Networks Summit Summit24 Manuale utente

Extreme Networks, Inc.

3585 Monroe Street

Santa Clara, California 95051

(888) 257-3000

http://www.extremenetworks.com

Summit24e3 Switch

Installation and User Guide

Software Version 2.0

Published: August 2002

Part number: 100102-00 Rev. 02

Extreme Networks, Inc. in the United States and certain other jurisdictions. ExtremeWare, ExtremeWare Vista,

ExtremeWorks, ExtremeAssist, ExtremeAssist1, ExtremeAssist2, PartnerAssist, Extreme Standby Router Protocol, ESRP,

SmartTraps, Alpine, Summit, Summit1, Summit4, Summit4/FX, Summit7i, Summit24, Summit48, Summit Virtual

Chassis, SummitLink, SummitGbX, SummitRPS and the Extreme Networks logo are trademarks of Extreme Networks,

Inc., which may be registered or pending registration in certain jurisdictions. The Extreme Turbodrive logo is a service

mark of Extreme Networks, which may be registered or pending registration in certain jurisdictions. Specifications are

subject to change without notice.

NetWare and Novell are registered trademarks of Novell, Inc. Merit is a registered trademark of Merit Network, Inc.

Solaris is a trademark of Sun Microsystems, Inc. F5, BIG/ip, and 3DNS are registered trademarks of F5 Networks, Inc.

see/IT is a trademark of F5 Networks, Inc.

“Data Fellows”, the triangle symbol, and Data Fellows product names and symbols/logos are

trademarks of Data Fellows.

F-Secure SSH is a registered trademark of Data Fellows.

All other registered trademarks, trademarks and service marks are property of their respective owners.

Authors: Megan Mahar, Hugh Bussell

Editor:

Production:

Special Thanks: Andy Jeyanandan, Victor Tseng

Summit24e3 Switch Installation and User Guide 3

Contents

Preface

Introduction 17

Conventions 17

Related Publications 18

Chapter 1 Summit24e3 Switch Overview

Summary of Features 19

Summit24e3 Switch Front View 20

Console Port 20

Reset Button 20

Summit24e3 Switch Rear View 21

Power Socket 21

Serial Number 21

MAC Address 21

Summit24e3 Switch LEDs 21

Port Connections 22

Full-Duplex 22

Mini-GBIC Type and Hardware/Software Support 22

Mini-GBIC Type and Specifications 22

Safety Information 23

Chapter 2 Switch Installation

Determining the Switch Location 25

Following Safety Information 26

Installing the Switch 26

Rack Mounting 26

Free-Standing 27

Stacking the Switch and Other Devices 27

4 - Contents Summit24e3 Switch Installation and User Guide

Connecting Equipment to the Console Port 27

Powering On the Switch 28

Checking the Installation 28

Logging In for the First Time 29

Installing or Replacing a Mini-Gigabit Interface Connector (Mini-GBIC) 30

Safety Information 30

Preparing to Install or Replace a Mini-GBIC 30

Installing and Removing a Mini-GBIC 31

Chapter 3 ExtremeWare Overview

Summary of Features 33

Virtual LANs (VLANs) 34

Spanning Tree Protocol 34

Quality of Service 35

Unicast Routing 35

Load Sharing 35

ESRP-Aware Switches 35

Software Licensing 36

Feature Licensing 36

Security Licensing 37

Obtaining a Security License 37

Security Features Under License Control 37

Software Factory Defaults 38

Chapter 4 Accessing the Switch

Understanding the Command Syntax 39

Syntax Helper 40

Command Shortcuts 40

Summit24e3 Switch Numerical Ranges 40

Names 41

Symbols 41

Line-Editing Keys 41

Command History 42

Common Commands 42

Configuring Management Access 44

User Account 44

Administrator Account 45

Default Accounts 45

Creating a Management Account 46

Domain Name Service Client Services 47

Summit24e3 Switch Installation and User Guide Contents - 5

Checking Basic Connectivity 47

Ping 48

Traceroute 48

Chapter 5 Managing the Switch

Overview 49

Using the Console Interface 50

Using Telnet 50

Connecting to Another Host Using Telnet 50

Configuring Switch IP Parameters 50

Disconnecting a Telnet Session 52

Controlling Telnet Access 52

Using Secure Shell 2 (SSH2) 53

Enabling SSH2 53

Using SNMP 54

Accessing Switch Agents 54

Supported MIBs 54

Configuring SNMP Settings 54

Displaying SNMP Settings 55

Authenticating Users 56

RADIUS Client 56

Configuring TACACS+ 60

Using Network Login 62

Using Network Login in Campus Mode 62

Using Network Login in ISP Mode 65

DHCP Server on the Switch 66

Network Login Configuration Commands 66

Displaying Network Login Settings 66

Disabling Network Login 67

Using the Simple Network Time Protocol 67

Configuring and Using SNTP 67

SNTP Configuration Commands 69

SNTP Example 70

Chapter 6 Configuring Ports on a Switch

Enabling and Disabling Switch Ports 71

Configuring Switch Port Speed and Duplex Setting 71

Switch Port Commands 72

Load Sharing on the Switch 73

Load-Sharing Algorithms 73

Configuring Switch Load Sharing 74

Load-Sharing Example 75

6 - Contents Summit24e3 Switch Installation and User Guide

Verifying the Load-Sharing Configuration 75

Switch Port-Mirroring 75

Port-Mirroring Commands 76

Port-Mirroring Example 76

Extreme Discovery Protocol 76

EDP Commands 77

Chapter 7 Virtual LANs (VLANs)

Overview of Virtual LANs 79

Benefits 79

Types of VLANs 80

Port-Based VLANs 80

Tagged VLANs 82

VLAN Names 84

Default VLAN 84

Renaming a VLAN 85

Configuring VLANs on the Switch 85

VLAN Configuration Commands 85

VLAN Configuration Examples 86

Displaying VLAN Settings 86

Chapter 8 Forwarding Database (FDB)

Overview of the FDB 87

FDB Contents 87

FDB Entry Types 87

How FDB Entries Get Added 88

Associating a QoS Profile with an FDB Entry 88

Configuring FDB Entries 88

FDB Configuration Examples 90

Displaying FDB Entries 90

Chapter 9 Access Policies

Overview of Access Policies 91

Access Control Lists 91

Rate Limits 91

Routing Access Policies 92

Using Access Control Lists 92

Access Masks 92

Access Lists 92

Rate Limits 93

How Access Control Lists Work 94

Summit24e3 Switch Installation and User Guide Contents - 7

Access Mask Precedence Numbers 94

Specifying a Default Rule 94

The permit-established Keyword 95

Adding Access Mask, Access List, and Rate Limit Entries 95

Deleting Access Mask, Access List, and Rate Limit Entries 96

Verifying Access Control List Configurations 96

Access Control List Commands 96

Access Control List Examples 100

Using Routing Access Policies 104

Creating an Access Profile 104

Configuring an Access Profile Mode 104

Adding an Access Profile Entry 104

Deleting an Access Profile Entry 105

Applying Access Profiles 105

Routing Access Policies for RIP 105

Routing Access Policies for OSPF 107

Making Changes to a Routing Access Policy 108

Removing a Routing Access Policy 108

Routing Access Policy Commands 109

Chapter 10 Network Address Translation

(NAT)

Overview 111

Internet IP Addressing 112

Configuring VLANs for NAT 112

NAT Modes 113

Configuring NAT 114

Configuring NAT Rules 114

Creating NAT Rules 114

Creating Static and Dynamic NAT Rules 115

Creating Portmap NAT Rules 115

Creating Auto-Constrain NAT Rules 115

Advanced Rule Matching 116

Configuring Timeouts 116

Displaying NAT Settings 117

Disabling NAT 117

Chapter 11 Ethernet Automatic Protection Switching

Overview of the EAPS Protocol 119

Fault Detection and Recovery 121

Restoration Operations 123

8 - Contents Summit24e3 Switch Installation and User Guide

Commands for Configuring and Monitoring EAPS 123

Creating and Deleting an EAPS Domain 124

Defining the EAPS Mode of the Switch 125

Configuring EAPS Polling Timers 125

Configuring the Primary and Secondary Ports 126

Configuring the EAPS Control VLAN 126

Configuring the EAPS Protected VLANs 127

Enabling and Disabling an EAPS Domain 127

Enabling and Disabling EAPS 128

Unconfiguring an EAPS Ring Port 128

Displaying EAPS Status Information 128

Chapter 12 Quality of Service (QoS)

Overview of Policy-Based Quality of Service 133

Applications and Types of QoS 134

Voice Applications 134

Video Applications 134

Critical Database Applications 134

Web Browsing Applications 135

File Server Applications 135

Configuring QoS for a Port or VLAN 135

Traffic Groupings 136

Access List Based Traffic Groupings 136

MAC-Based Traffic Groupings 137

Explicit Class of Service (802.1p and DiffServ) Traffic Groupings 138

Configuring DiffServ 140

Physical and Logical Groupings 142

Verifying Configuration and Performance 143

QoS Monitor 143

Displaying QoS Profile Information 143

Modifying a QoS Configuration 144

Traffic Rate-Limiting 144

Dynamic Link Context System 144

DLCS Guidelines 145

DLCS Limitations 145

DLCS Commands 145

Chapter 13 Status Monitoring and Statistics

Status Monitoring 147

Port Statistics 149

Port Errors 149

Summit24e3 Switch Installation and User Guide Contents - 9

Port Monitoring Display Keys 150

Setting the System Recovery Level 151

Logging 151

Local Logging 152

Remote Logging 153

Logging Configuration Changes 153

Logging Commands 153

RMON 155

About RMON 155

RMON Features of the Switch 155

Configuring RMON 156

Event Actions 157

Chapter 14 Spanning Tree Protocol (STP)

Overview of the Spanning Tree Protocol 159

Spanning Tree Domains 159

Defaults 160

STPD BPDU Tunneling 160

STP Configurations 160

Configuring STP on the Switch 162

STP Configuration Example 165

Displaying STP Settings 165

Disabling and Resetting STP 165

Chapter 15 IP Unicast Routing

Overview of IP Unicast Routing 167

Router Interfaces 168

Populating the Routing Table 168

Subnet-Directed Broadcast Forwarding 170

Proxy ARP 170

ARP-Incapable Devices 170

Proxy ARP Between Subnets 171

Relative Route Priorities 171

Configuring IP Unicast Routing 172

Verifying the IP Unicast Routing Configuration 172

IP Commands 172

Routing Configuration Example 177

Displaying Router Settings 178

Resetting and Disabling Router Settings 178

10 - Contents Summit24e3 Switch Installation and User Guide

Configuring DHCP/BOOTP Relay 179

Verifying the DHCP/BOOTP Relay Configuration 180

UDP-Forwarding 180

Configuring UDP-Forwarding 180

UDP-Forwarding Example 181

ICMP Packet Processing 181

UDP-Forwarding Commands 181

Chapter 16 Interior Gateway Routing Protocols

Overview 183

RIP Versus OSPF 184

Overview of RIP 184

Routing Table 185

Split Horizon 185

Poison Reverse 185

Triggered Updates 185

Route Advertisement of VLANs 185

RIP Version 1 Versus RIP Version 2 185

Overview of OSPF 186

Link-State Database 186

Areas 187

Point-to-Point Support 190

Route Re-Distribution 191

Configuring Route Re-Distribution 191

OSPF Timers and Authentication 192

Configuring RIP 192

RIP Configuration Example 195

Displaying RIP Settings 196

Resetting and Disabling RIP 196

Configuring OSPF 197

Configuring OSPF Wait Interval 201

Displaying OSPF Settings 202

OSPF LSD Display 202

Resetting and Disabling OSPF Settings 203

Chapter 17 IP Multicast Routing

Overview 205

IGMP Overview 205

Configuring IP Multicasting Routing 206

Displaying IP Multicast Routing Settings 207

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