Extreme Networks 200 Series Manuale utente

Extreme Networks, Inc.

3585 Monroe Street

Santa Clara, California 95051

(888) 257-3000

http://www.extremenetworks.com

Summit 200 Series Switch

Installation and User Guide

Software Version 7.1e0

December, 2003

Part Number: 100149-00 Rev 02

trademarks of Extreme Networks, Inc. in the United States and certain other jurisdictions. 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.

Summit 200 Series Switch Installation and User Guide iii

Contents

Preface

Introduction xiii

Conventions xiv

Related Publications xiv

Chapter 1 Summit 200 Series Switch Overview

Summit 200 Series Switches 15

Summary of Features 15

Summit 200-24 Switch Physical Features 16

Summit 200-24 Switch Front View 16

Summit 200-24 Switch Rear View 19

Summit 200-48 Switch Physical Features 19

Summit 200-48 Switch Front View 19

Summit 200-48 Switch Rear View 22

Mini-GBIC Type and Hardware/Software Support 23

Mini-GBIC Type and Specifications 23

Chapter 2 Switch Installation

Determining the Switch Location 27

Following Safety Information 28

Installing the Switch 28

Rack Mounting 28

Free-Standing 29

Desktop Mounting of Multiple Switches 29

Installing or Replacing a Mini-Gigabit Interface Connector (Mini-GBIC) 29

Safety Information 29

Preparing to Install or Replace a Mini-GBIC 29

Removing and Inserting a Mini-GBIC 30

iv Summit 200 Series Switch Installation and User Guide

Contents

Creating a Stack 31

Connecting Equipment to the Console Port 32

Powering On the Switch 34

Checking the Installation 34

Logging In for the First Time 34

Chapter 3 ExtremeWare Overview

Summary of Features 37

Virtual LANs (VLANs) 38

Spanning Tree Protocol 38

Quality of Service 39

Unicast Routing 39

Load Sharing 39

ESRP-Aware Switches 39

Software Licensing 40

Feature Licensing 40

Security Licensing for Features Under License Control 41

SSH2 Encryption 41

Software Factory Defaults 42

Chapter 4 Accessing the Switch

Understanding the Command Syntax 45

Syntax Helper 46

Command Shortcuts 46

Summit 200 Series Switch Numerical Ranges 46

Names 47

Symbols 47

Line-Editing Keys 47

Command History 48

Common Commands 48

Configuring Management Access 50

User Account 50

Administrator Account 51

Default Accounts 51

Creating a Management Account 52

Domain Name Service Client Services 53

Checking Basic Connectivity 54

Ping 54

Traceroute 54

Summit 200 Series Switch Installation and User Guide v

Contents

Chapter 5 Managing the Switch

Overview 57

Using the Console Interface 58

Using Telnet 58

Connecting to Another Host Using Telnet 58

Configuring Switch IP Parameters 58

Disconnecting a Telnet Session 60

Controlling Telnet Access 61

Using Secure Shell 2 (SSH2) 61

Enabling SSH2 61

Using SNMP 62

Accessing Switch Agents 62

Supported MIBs 62

Configuring SNMP Settings 62

Displaying SNMP Settings 64

Authenticating Users 64

RADIUS Client 64

Configuring TACACS+ 69

Network Login 71

Web-Based and 802.1x Authentication 71

Campus and ISP Modes 73

Interoperability Requirements 74

Multiple Supplicant Support 75

Exclusions and Limitations 75

Configuring Network Login 76

Web-Based Authentication User Login Using Campus Mode 77

DHCP Server on the Switch 79

Displaying DHCP Information 79

Displaying Network Login Settings 79

Disabling Network Login 79

Additional Configuration Details 79

Network Login Configuration Commands 80

Displaying Network Login Settings 81

Disabling Network Login 81

Using EAPOL Flooding 81

Using the Simple Network Time Protocol 82

Configuring and Using SNTP 82

SNTP Configuration Commands 85

SNTP Example 85

Chapter 6 Configuring Ports on a Switch

Enabling and Disabling Switch Ports 87

vi Summit 200 Series Switch Installation and User Guide

Contents

Configuring Switch Port Speed and Duplex Setting 88

Switch Port Commands 89

Load Sharing on the Switch 91

Load-Sharing Algorithms 92

Configuring Switch Load Sharing 93

Load-Sharing Example 93

Verifying the Load-Sharing Configuration 94

Switch Port-Mirroring 94

Port-Mirroring Commands 95

Port-Mirroring Example 95

Setting Up a Redundant Gigabit Uplink Port 95

Extreme Discovery Protocol 95

EDP Commands 96

Chapter 7 Virtual LANs (VLANs)

Overview of Virtual LANs 97

Benefits 97

Types of VLANs 98

Port-Based VLANs 98

Tagged VLANs 100

VLAN Names 102

Default VLAN 102

Renaming a VLAN 103

Configuring VLANs on the Switch 103

VLAN Configuration Commands 103

VLAN Configuration Examples 104

Displaying VLAN Settings 104

MAC-Based VLANs 105

MAC-Based VLAN Guidelines 105

MAC-Based VLAN Limitations 106

MAC-Based VLAN Example 106

Timed Configuration Download for MAC-Based VLANs 106

Chapter 8 Forwarding Database (FDB)

Overview of the FDB 109

FDB Contents 109

FDB Entry Types 109

How FDB Entries Get Added 110

Associating a QoS Profile with an FDB Entry 110

Configuring FDB Entries 111

FDB Configuration Examples 111

Summit 200 Series Switch Installation and User Guide vii

Contents

Displaying FDB Entries 112

Chapter 9 Access Policies

Overview of Access Policies 115

Access Control Lists 115

Rate Limits 115

Routing Access Policies 116

Using Access Control Lists 116

Access Masks 116

Access Lists 116

Rate Limits 117

How Access Control Lists Work 118

Access Mask Precedence Numbers 118

Specifying a Default Rule 118

The permit-established Keyword 118

Adding Access Mask, Access List, and Rate Limit Entries 119

Deleting Access Mask, Access List, and Rate Limit Entries 120

Verifying Access Control List Configurations 120

Access Control List Commands 120

Access Control List Examples 124

Using Routing Access Policies 128

Creating an Access Profile 128

Configuring an Access Profile Mode 128

Adding an Access Profile Entry 128

Deleting an Access Profile Entry 129

Applying Access Profiles 129

Routing Access Policies for RIP 129

Routing Access Policies for OSPF 131

Making Changes to a Routing Access Policy 132

Removing a Routing Access Policy 132

Routing Access Policy Commands 133

Chapter 10 Network Address Translation (NAT)

Overview 135

Internet IP Addressing 136

Configuring VLANs for NAT 136

NAT Modes 137

Configuring NAT 138

Configuring NAT Rules 138

Creating NAT Rules 139

Creating Static and Dynamic NAT Rules 139

viii Summit 200 Series Switch Installation and User Guide

Contents

Creating Portmap NAT Rules 139

Creating Auto-Constrain NAT Rules 140

Advanced Rule Matching 140

Configuring Timeouts 141

Displaying NAT Settings 141

Disabling NAT 142

Chapter 11 Ethernet Automatic Protection Switching

Overview of the EAPS Protocol 143

Optimizing Interoperability 145

Fault Detection and Recovery 145

Restoration Operations 146

Summit 200 Series Switches in Multi-ring Topologies 147

Commands for Configuring and Monitoring EAPS 148

Creating and Deleting an EAPS Domain 149

Defining the EAPS Mode of the Switch 149

Configuring EAPS Polling Timers 149

Configuring the Primary and Secondary Ports 150

Configuring the EAPS Control VLAN 151

Configuring the EAPS Protected VLANs 151

Enabling and Disabling an EAPS Domain 152

Enabling and Disabling EAPS 152

Unconfiguring an EAPS Ring Port 152

Displaying EAPS Status Information 152

Chapter 12 Quality of Service (QoS)

Overview of Policy-Based Quality of Service 157

Applications and Types of QoS 158

Video Applications 158

Critical Database Applications 158

Web Browsing Applications 158

File Server Applications 159

Configuring QoS for a Port or VLAN 159

Traffic Groupings 159

Access List Based Traffic Groupings 160

MAC-Based Traffic Groupings 160

Explicit Class of Service (802.1p and DiffServ) Traffic Groupings 161

Configuring DiffServ 163

Physical and Logical Groupings 166

Verifying Configuration and Performance 167

QoS Monitor 167

Displaying QoS Profile Information 167

Summit 200 Series Switch Installation and User Guide ix

Contents

Modifying a QoS Configuration 168

Traffic Rate-Limiting 168

Dynamic Link Context System 168

DLCS Guidelines 169

DLCS Limitations 169

DLCS Commands 169

Chapter 13 Status Monitoring and Statistics

Status Monitoring 171

Port Statistics 173

Port Errors 173

Port Monitoring Display Keys 174

Setting the System Recovery Level 175

Logging 175

Local Logging 176

Remote Logging 177

Logging Configuration Changes 178

Logging Commands 178

RMON 179

About RMON 179

RMON Features of the Switch 180

Configuring RMON 181

Event Actions 181

Chapter 14 Spanning Tree Protocol (STP)

Overview of the Spanning Tree Protocol 183

Spanning Tree Domains 183

Defaults 184

STPD BPDU Tunneling 184

STP Configurations 184

Configuring STP on the Switch 186

STP Configuration Example 189

Displaying STP Settings 189

Disabling and Resetting STP 189

Chapter 15 IP Unicast Routing

Overview of IP Unicast Routing 191

Router Interfaces 192

Populating the Routing Table 193

Subnet-Directed Broadcast Forwarding 194

xSummit 200 Series Switch Installation and User Guide

Contents

Proxy ARP 194

ARP-Incapable Devices 195

Proxy ARP Between Subnets 195

Relative Route Priorities 195

Configuring IP Unicast Routing 196

Verifying the IP Unicast Routing Configuration 196

IP Commands 197

Routing Configuration Example 201

Displaying Router Settings 202

Resetting and Disabling Router Settings 203

Configuring DHCP/BOOTP Relay 204

Verifying the DHCP/BOOTP Relay Configuration 204

UDP-Forwarding 205

Configuring UDP-Forwarding 205

UDP-Forwarding Example 205

ICMP Packet Processing 206

UDP-Forwarding Commands 206

Chapter 16 Interior Gateway Routing Protocols

Overview 207

RIP Versus OSPF 208

Overview of RIP 208

Routing Table 209

Split Horizon 209

Poison Reverse 209

Triggered Updates 209

Route Advertisement of VLANs 209

RIP Version 1 Versus RIP Version 2 209

Overview of OSPF 210

Link-State Database 210

Areas 211

Point-to-Point Support 214

Route Re-Distribution 215

Configuring Route Re-Distribution 215

OSPF Timers and Authentication 216

Configuring RIP 217

RIP Configuration Example 219

Displaying RIP Settings 220

Resetting and Disabling RIP 220

Configuring OSPF 220

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