Dell PC6224, PC6248, PC6224F, PC6224P, PC6248P User Manual 2

Dell™ PowerConnect™ 6200 Series

User’s Guide

Model PC6224, PC6248, PC6224P, PC6248P, and PC 6224F

www.dell.com | support.dell.com

Notes, Cautions, and Warnings

A NOTE indicates important information that helps you make better use of your computer.

A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed.

WARNING: A WARNING indicates a potential for property damage, personal injury, or death.

____________________

Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.

Trademarks used in this text: Dell, the DELL logo, PowerEdge, PowerConnect, and OpenManage are trademarks of Dell Inc.; Microsoft and Windows are either trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries; sFlow is a registered trademark of InMon Corporation. Cisco is a registered trademark of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries.

Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.

Model PC6224, PC6248, PC6224P, PC6248P, and PC6224F

March 2011 Rev. A04

Contents

1 Introduction

System Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Switching Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Port-Based Features Virtual Local Area Network Supported Features

Spanning Tree Protocol Features . . . . . . . . . . . . . . . . . . . . . . 28

Link Aggregation Features . . . . . . . . . . . . . . . . . . . . . . . . . 29

IP Phone and Access Point Support Features

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

. . . . . . . . . . . . . . 26

. . . . . . . . . . . . . . . 29

Routing Features

MAC Address Supported Features . . . . . . . . . . . . . . . . . . . . . 32

IPv4 Routing Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

IPv6 Routing Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

IPv6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

OSPFv3

Quality of Service Features . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Multicast Features

IPv4 Multicast Features. . . . . . . . . . . . . . . . . . . . . . . . . . . 36

IPv6 Multicast Features. . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Security Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Additional Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

2 Using Dell™ OpenManage™ Switch Administrator

Setting the IP Address of the Switch . . . . . . . . . . . . . . . . . . . . . . 40

Setting DHCP on the Management Interface. . . . . . . . . . . . . . . . 40

Setting a Static Address on the Management Interface. . . . . . . . . . 40

Starting the Application

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Understanding the Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Using the Switch Administrator Buttons

Information Buttons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

. . . . . . . . . . . . . . . . . . . . 44

Device Management Buttons. . . . . . . . . . . . . . . . . . . . . . . . 44

Check Boxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Defining Fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Accessing the Switch Through the CLI

. . . . . . . . . . . . . . . . . . . . . 45

Console Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Telnet Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Using the CLI

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Command Mode Overview . . . . . . . . . . . . . . . . . . . . . . . . . 46

User EXEC Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Privileged EXEC Mode

. . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Global Configuration Mode . . . . . . . . . . . . . . . . . . . . . . . . . 48

Interface Configuration Mode . . . . . . . . . . . . . . . . . . . . . . . 48

3 Cable and Port Information

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Ethernet Interface

SFP Interfaces

Bay 1 and Bay 2 Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Serial Cable Connection

Connecting the Switch to a Terminal . . . . . . . . . . . . . . . . . . . . 52

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Power Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

4 Hardware Description

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Rear Panel

Console (RS-232) Port

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Power Supplies

Ventilation System

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Stacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Stacking Standby

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

LED Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

SFP Port LEDs SFP+ Port LEDs

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

XFP Module Port LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

10/100/1000 Base-T Port LEDs . . . . . . . . . . . . . . . . . . . . . . . 65

System LEDs

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Stacking LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

5 Configuring Dell PowerConnect

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Starting the CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

General Configuration Information

. . . . . . . . . . . . . . . . . . . . . . . 74

Terminal Connection Configuration . . . . . . . . . . . . . . . . . . . . . 74

Baud Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Other Configuration Requirements . . . . . . . . . . . . . . . . . . . . . 74

Booting the Switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Configuration Overview

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

Easy Setup Wizard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

Advanced Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

CLI Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

6200 Series CLI Reference Guide . . . . . . . . . . . . . . . . . . . . . . 88

Security Management and Password Configuration . . . . . . . . . . . . 91

Software Download and Reboot. . . . . . . . . . . . . . . . . . . . . . . . . 94

Software Download Through XModem Software Download Through TFTP Server

. . . . . . . . . . . . . . . . . . . 94

. . . . . . . . . . . . . . . . . 94

Update Bootcode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Boot Menu Functions

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Start Operational Code . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

Change the Baud Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Retrieve Event Log using XMODEM

. . . . . . . . . . . . . . . . . . . . 99

Load New Operational Code Using XMODEM . . . . . . . . . . . . . . 100

Display Operational Code Vital Product Data . . . . . . . . . . . . . . 100

Abort Boot Code Update

. . . . . . . . . . . . . . . . . . . . . . . . . 101

Update Boot Code. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

Delete Backup Image . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

Reset the System

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Restore Configuration to Factory Defaults . . . . . . . . . . . . . . . . 103

Activate Backup Image . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Password Recovery Procedure

. . . . . . . . . . . . . . . . . . . . . 104

Reformat and Restore File System . . . . . . . . . . . . . . . . . . . . 104

Sample Configuration Process

. . . . . . . . . . . . . . . . . . . . . . . . 105

Switch Setup Requirements . . . . . . . . . . . . . . . . . . . . . . . 105

Initial Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

Device Default Settings

. . . . . . . . . . . . . . . . . . . . . . . . . . 111

Enabling Remote Management . . . . . . . . . . . . . . . . . . . . . . 111

Configuring Secure Management Access (HTTPS) . . . . . . . . . . . 114

6 Configuring System Information

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

Defining General Device Information

Asset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

System Health . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

Versions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

System Resources

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

. . . . . . . . . . . . . . . . . . . . . 116

Time Zone Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 122

Summer Time Configuration . . . . . . . . . . . . . . . . . . . . . . . 123

Clock Detail

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125

Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126

Configuring SNTP Settings

. . . . . . . . . . . . . . . . . . . . . . . . . . 127

SNTP Global Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

SNTP Authentication . . . . . . . . . . . . . . . . . . . . . . . . . . . 129

SNTP Server

Managing Logs

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135

Global Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136

RAM Log Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

Log File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

Remote Log Server Settings

Defining IP Addressing

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

. . . . . . . . . . . . . . . . . . . . . . . 140

Domain Name Server (DNS) . . . . . . . . . . . . . . . . . . . . . . . 144

Default Domain Name . . . . . . . . . . . . . . . . . . . . . . . . . . 145

Host Name Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

Dynamic Host Name Mapping

. . . . . . . . . . . . . . . . . . . . . . 148

ARP Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149

IPv6 Management Features . . . . . . . . . . . . . . . . . . . . . . . 150

Running Cable Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . 152

Integrated Cable Test for Copper Cables Optical Transceiver Diagnostics

Managing Device Security

. . . . . . . . . . . . . . . . . . . . . . . . . . 157

. . . . . . . . . . . . . . . . . 152

. . . . . . . . . . . . . . . . . . . . . 154

Access Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157

Authentication Profiles . . . . . . . . . . . . . . . . . . . . . . . . . . 162

Select Authentication . . . . . . . . . . . . . . . . . . . . . . . . . . . 166

Password Management

. . . . . . . . . . . . . . . . . . . . . . . . . 169

Local User Database . . . . . . . . . . . . . . . . . . . . . . . . . . . 171

Line Passwords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174

Enable Password

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175

TACACS+ Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176

RADIUS Global Configuration. . . . . . . . . . . . . . . . . . . . . . . 180

RADIUS Server Configuration

. . . . . . . . . . . . . . . . . . . . . . 182

RADIUS Accounting Server Configuration . . . . . . . . . . . . . . . . 185

RADIUS Accounting Server Statistics . . . . . . . . . . . . . . . . . . 187

RADIUS Server Statistics

. . . . . . . . . . . . . . . . . . . . . . . . . 189

Authorization Network RADIUS . . . . . . . . . . . . . . . . . . . . . 191

Telnet Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191

Denial of Service

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

Captive Portal

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195

CP Global Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 196

CP Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197

CP Web Customization . . . . . . . . . . . . . . . . . . . . . . . . . . 200

Local User

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203

User Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205

Interface Association . . . . . . . . . . . . . . . . . . . . . . . . . . . 207

CP Status

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208

CP Activation and Activity Status. . . . . . . . . . . . . . . . . . . . . 210

Interface Activation Status . . . . . . . . . . . . . . . . . . . . . . . . 211

Interface Capability Status

. . . . . . . . . . . . . . . . . . . . . . . . 212

Client Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213

Client Detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213

CP Interface Client Status

. . . . . . . . . . . . . . . . . . . . . . . . 214

CP Client Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215

Defining SNMP Parameters

. . . . . . . . . . . . . . . . . . . . . . . . . . 218

SNMP v1 and v2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218

SNMP v3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218

SNMP Global Parameters

. . . . . . . . . . . . . . . . . . . . . . . . 218

SNMP View Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . 220

Access Control Group . . . . . . . . . . . . . . . . . . . . . . . . . . 223

SNMPv3 User Security Model (USM)

. . . . . . . . . . . . . . . . . . 225

Communities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229

Notification Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232

Notification Recipients

. . . . . . . . . . . . . . . . . . . . . . . . . . 234

File Management

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238

File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238

Active Images. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239

File Download. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240

File Upload

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242

Copy Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244

Defining Advanced Settings

. . . . . . . . . . . . . . . . . . . . . . . . . . 246

Auto Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246

Defining Stacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249

Synchronizing the Running Configuration between the Master and Standby Units

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249

Configuring Stacking . . . . . . . . . . . . . . . . . . . . . . . . . . . 250

Trap Manager

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262

Trap Flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262

OSPFv2 Trap Flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264

OSPFv3 Trap Flags

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 267

Trap Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271

sFlow

sFlow Agent Summary . . . . . . . . . . . . . . . . . . . . . . . . . . 272

sFlow Receiver Configuration . . . . . . . . . . . . . . . . . . . . . . 273

sFlow Sampler Configuration

. . . . . . . . . . . . . . . . . . . . . . . 275

sFlow Poll Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 277

Industry Standard Discovery Protocol

. . . . . . . . . . . . . . . . . . . . . 279

ISDP Global Configuration . . . . . . . . . . . . . . . . . . . . . . . . 279

Cache Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281

Interface Configuration

. . . . . . . . . . . . . . . . . . . . . . . . . . 282

ISDP Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284

iSCSI Optimization

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286

iSCSI Optimization Global Configuration . . . . . . . . . . . . . . . . . 286

Configuring iSCSI Optimization Using CLI Commands . . . . . . . . . . 287

7 Configuring Switching Information

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289

Configuring Network Security

. . . . . . . . . . . . . . . . . . . . . . . . . 290

Dot1x Authentication . . . . . . . . . . . . . . . . . . . . . . . . . . . 290

Authenticated Users . . . . . . . . . . . . . . . . . . . . . . . . . . . 296

Port Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297

IP ACL Configuration

. . . . . . . . . . . . . . . . . . . . . . . . . . . 300

IP ACL Rule Configuration . . . . . . . . . . . . . . . . . . . . . . . . 302

MAC ACL Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . 306

MAC ACL Rule Configuration

. . . . . . . . . . . . . . . . . . . . . . . 308

IPv6 Access Control Lists . . . . . . . . . . . . . . . . . . . . . . . . . 311

IPv6 ACL Rule Configuration . . . . . . . . . . . . . . . . . . . . . . . 314

ACL Bind Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 316

Configuring Ports

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319

Global Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319

Port Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321

Protected Port Configuration

. . . . . . . . . . . . . . . . . . . . . . . 324

LAG Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326

Storm Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329

Configuring Traffic Mirroring . . . . . . . . . . . . . . . . . . . . . . . . . 332

Port Mirroring Flow Based Mirroring

Configuring Address Tables

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332

. . . . . . . . . . . . . . . . . . . . . . . . . . . 334

. . . . . . . . . . . . . . . . . . . . . . . . . . 336

Static Address Table . . . . . . . . . . . . . . . . . . . . . . . . . . . 336

Dynamic Address Table. . . . . . . . . . . . . . . . . . . . . . . . . . 338

Configuring GARP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341

GARP Timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341

Configuring the Spanning Tree Protocol

. . . . . . . . . . . . . . . . . . . 344

STP Global Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 344

STP Port Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 348

STP LAG Settings

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350

Rapid Spanning Tree . . . . . . . . . . . . . . . . . . . . . . . . . . . 353

MSTP Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 354

MSTP Interface Settings

. . . . . . . . . . . . . . . . . . . . . . . . . 357

Configuring VLANs

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360

VLAN Membership . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360

Double VLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364

VLAN Port Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 368

VLAN LAG Settings

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 370

Bind MAC to VLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372

Bind IP Subnet to VLAN. . . . . . . . . . . . . . . . . . . . . . . . . . 375

Protocol Group

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 377

GVRP Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381

Configuring Voice VLAN

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 384

Aggregating Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386

LACP Parameters LAG Membership

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 388

Assigning Ports to LAGs and LACPs Using CLI Commands . . . . . . . 390

LAG Hash Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 390

LAG Hash Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . 391

Managing Multicast Support . . . . . . . . . . . . . . . . . . . . . . . . . 393

Multicast Global Parameters Bridge Multicast Group

. . . . . . . . . . . . . . . . . . . . . . . 393

. . . . . . . . . . . . . . . . . . . . . . . . . . 394

Bridge Multicast Forward. . . . . . . . . . . . . . . . . . . . . . . . . 398

IGMP Snooping

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399

General IGMP Snooping . . . . . . . . . . . . . . . . . . . . . . . . . 400

Global Querier Configuration . . . . . . . . . . . . . . . . . . . . . . . 403

VLAN Querier

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404

VLAN Querier Status . . . . . . . . . . . . . . . . . . . . . . . . . . . 406

MFDB IGMP Snooping Table . . . . . . . . . . . . . . . . . . . . . . . 407

MRouter Status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 409

MLD Snooping

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 410

MLD Snooping General . . . . . . . . . . . . . . . . . . . . . . . . . . 410

MLD Snooping Global Querier Configuration . . . . . . . . . . . . . . . 412

MLD Snooping VLAN Querier . . . . . . . . . . . . . . . . . . . . . . . 414

FMLD Snooping VLAN Querier Status

. . . . . . . . . . . . . . . . . . 416

MFDB MLD Snooping Table . . . . . . . . . . . . . . . . . . . . . . . 417

Configuring the Link Layer Discovery Protocol (LLDP)

. . . . . . . . . . . . 419

LLDP Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 419

LLDP Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 422

LLDP Connections

Configuring Link Layer Discovery Protocol (LLDP) for Media Endpoint Devices

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425

427

LLDP-MED Global Configuration . . . . . . . . . . . . . . . . . . . . . 427

LLDP-MED Interface Configuration. . . . . . . . . . . . . . . . . . . . 429

LLDP-MED Local Device Information . . . . . . . . . . . . . . . . . . . 431

LLDP-MED Remote Device Information

. . . . . . . . . . . . . . . . . 433

Creating Link Dependencies

. . . . . . . . . . . . . . . . . . . . . . . . . . 437

Link Dependency Summary. . . . . . . . . . . . . . . . . . . . . . . . 437

Dynamic ARP Inspection

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 440

DAI Global Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 440

DAI Interface Configuration . . . . . . . . . . . . . . . . . . . . . . . 441

DAI VLAN Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 443

DAI ACL Configuration

. . . . . . . . . . . . . . . . . . . . . . . . . . 444

DAI ACL Rule Configuration. . . . . . . . . . . . . . . . . . . . . . . . 445

DAI Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447

DHCP Snooping

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 448

DHCP Snooping Configuration . . . . . . . . . . . . . . . . . . . . . . 449

DHCP Snooping Interface Configuration . . . . . . . . . . . . . . . . . 450

DHCP Snooping VLAN Configuration

. . . . . . . . . . . . . . . . . . . 453

DHCP Snooping Persistent Configuration . . . . . . . . . . . . . . . . 454

DHCP Snooping Static Bindings Configuration. . . . . . . . . . . . . . 456

DHCP Snooping Dynamic Bindings Summary

. . . . . . . . . . . . . . 458

DHCP Snooping Statistics . . . . . . . . . . . . . . . . . . . . . . . . 459

DHCP Relay

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 461

DHCP Relay Global Configuration . . . . . . . . . . . . . . . . . . . . 461

DHCP Relay Interface Configuration . . . . . . . . . . . . . . . . . . . 462

DHCP Relay Interface Statistics

. . . . . . . . . . . . . . . . . . . . . 464

DHCP Relay VLAN Configuration . . . . . . . . . . . . . . . . . . . . . 465

8 Viewing Statistics and Remote Monitoring

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 469

Table Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 470

Interface Statistics Etherlike Statistics

GVRP Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 473

EAP Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 476

Utilization Summary

Counter Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 479

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 470

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 472

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 477

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 481

RMON

RMON Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 481

RMON History Control Statistics . . . . . . . . . . . . . . . . . . . . . 484

RMON History Table

. . . . . . . . . . . . . . . . . . . . . . . . . . . 487

RMON Event Control . . . . . . . . . . . . . . . . . . . . . . . . . . . 489

RMON Event Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 491

RMON Alarms

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 497

Charts

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 492

Ports Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 497

LAG Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 498

9 Configuring Routing

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 501

ARP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 502

ARP Create ARP Table Configuration

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 507

IP Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 507

IP Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 508

IP Interface Configuration . . . . . . . . . . . . . . . . . . . . . . . . 512

OSPF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 515

OSPF Configuration Area Configuration

Stub Area Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . 524

Area Range Configuration . . . . . . . . . . . . . . . . . . . . . . . . 525

Interface Statistics

Interface Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 530

Neighbor Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 535

Neighbor Configuration

Link State Database. . . . . . . . . . . . . . . . . . . . . . . . . . . . 539

Virtual Link Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 541

Virtual Link Summary

Route Redistribution Configuration . . . . . . . . . . . . . . . . . . . . 548

Route Redistribution Summary . . . . . . . . . . . . . . . . . . . . . . 550

Nonstop Forwarding OSPF Graceful Restart

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 502

. . . . . . . . . . . . . . . . . . . . . . . . . 504

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 515

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 520

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 527

. . . . . . . . . . . . . . . . . . . . . . . . . . 536

. . . . . . . . . . . . . . . . . . . . . . . . . . . 547

. . . . . . . . . . . . . . . 551

BOOTP/DHCP Relay Agent

. . . . . . . . . . . . . . . . . . . . . . . . . . . 553

BOOTP/DHCP Relay Agent Configuration . . . . . . . . . . . . . . . . 554

IP Helper

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 555

IP Helper Global Configuration . . . . . . . . . . . . . . . . . . . . . . 556

IP Helper Interface Configuration . . . . . . . . . . . . . . . . . . . . 558

IP Helper Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 560

RIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 562

RIP Configuration RIP Interface Configuration

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 563

. . . . . . . . . . . . . . . . . . . . . . . . 565

RIP Interface Summary . . . . . . . . . . . . . . . . . . . . . . . . . . 567

RIP Route Redistribution Configuration. . . . . . . . . . . . . . . . . . 569

RIP Route Redistribution Summary

. . . . . . . . . . . . . . . . . . . . 572

Router Discovery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 573

Router Discovery Configuration . . . . . . . . . . . . . . . . . . . . . 573

Router Discovery Status . . . . . . . . . . . . . . . . . . . . . . . . . 575

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 576

Router

Route Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 576

Best Routes Table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 578

Route Entry Configuration

. . . . . . . . . . . . . . . . . . . . . . . . . 579

Configured Routes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 582

Route Preferences Configuration. . . . . . . . . . . . . . . . . . . . . 583

VLAN Routing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 585

VLAN Routing Summary

. . . . . . . . . . . . . . . . . . . . . . . . . 585

VRRP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 587

VRRP Configuration VRRP Router Configuration

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 588

. . . . . . . . . . . . . . . . . . . . . . . . 589

VRRP Virtual Router Status . . . . . . . . . . . . . . . . . . . . . . . . 594

VRRP Virtual Router Statistics . . . . . . . . . . . . . . . . . . . . . . 597

Tunnels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 599

Tunnels Configuration Tunnels Summary

. . . . . . . . . . . . . . . . . . . . . . . . . . . 600

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 602

Loopbacks

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 604

Loopbacks Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 604

Loopbacks Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . 608

10 Configuring IPv6

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 611

Global Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 612

Interface Configuration

Interface Summary

IPv6 Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 618

IPv6 Neighbor Table

DHCPv6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 626

DHCPv6 Global Configuration . . . . . . . . . . . . . . . . . . . . . . . 626

DHCPv6 Pool Configuration . . . . . . . . . . . . . . . . . . . . . . . . 627

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 614

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 618

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 624

Prefix Delegation Configuration . . . . . . . . . . . . . . . . . . . . . 630

DHCPv6 Pool Summary . . . . . . . . . . . . . . . . . . . . . . . . . . 631

DHCPv6 Interface Configuration

. . . . . . . . . . . . . . . . . . . . . 632

DHCPv6 Server Bindings Summary. . . . . . . . . . . . . . . . . . . . 636

DHCPv6 Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 637

OSPFv3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 639

OSPFv3 Configuration OSPFv3 Area Configuration

. . . . . . . . . . . . . . . . . . . . . . . . . . . 639

. . . . . . . . . . . . . . . . . . . . . . . . 643

OSPFv3 Stub Area Summary . . . . . . . . . . . . . . . . . . . . . . . 648

OSPFv3 Area Range Configuration . . . . . . . . . . . . . . . . . . . . 649

OSPFv3 Interface Configuration

. . . . . . . . . . . . . . . . . . . . . 651

OSPFv3 Interface Statistics. . . . . . . . . . . . . . . . . . . . . . . . 654

OSPFv3 Neighbors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 657

OSPFv3 Neighbor Table

. . . . . . . . . . . . . . . . . . . . . . . . . . 660

OSPFv3 Link State Database . . . . . . . . . . . . . . . . . . . . . . . 661

OSPFv3 Virtual Link Configuration . . . . . . . . . . . . . . . . . . . . 663

OSPFv3 Virtual Link Summary

. . . . . . . . . . . . . . . . . . . . . . 666

OSPFv3 Route Redistribution Configuration . . . . . . . . . . . . . . . 668

OSPFv3 Route Redistribution Summary . . . . . . . . . . . . . . . . . 669

Nonstop Forwarding OSPFv3 Graceful Restart

. . . . . . . . . . . . . . 671

IPv6 Routes

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 674

IPv6 Route Entry Configuration . . . . . . . . . . . . . . . . . . . . . . 674

IPv6 Route Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 675

IPv6 Route Preferences . . . . . . . . . . . . . . . . . . . . . . . . . . 677

Configured IPv6 Routes

. . . . . . . . . . . . . . . . . . . . . . . . . . 678

11 Configuring Quality of Service

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 681

Differentiated Services

DiffServ Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 682

Defining DiffServ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 682

Diffserv Configuration

Class Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 684

Class Criteria . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 686

Policy Configuration

Policy Class Definition . . . . . . . . . . . . . . . . . . . . . . . . . . 694

Service Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . 700

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 682

. . . . . . . . . . . . . . . . . . . . . . . . . . . 683

. . . . . . . . . . . . . . . . . . . . . . . . . . . 691

Service Detailed Statistics . . . . . . . . . . . . . . . . . . . . . . . . 701

Class of Service

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 703

Mapping Table Configuration . . . . . . . . . . . . . . . . . . . . . . . 703

Interface Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 707

Interface Queue Configuration

Auto VoIP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 711

. . . . . . . . . . . . . . . . . . . . . . 708

Auto VoIP Global Configuration. . . . . . . . . . . . . . . . . . . . . . 711

Auto VoIP Interface Configuration . . . . . . . . . . . . . . . . . . . . 712

12 Configuring IP Multicast

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 715

Multicast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 716

Multicast Global Configuration Multicast Interface Configuration

Multicast Route Table. . . . . . . . . . . . . . . . . . . . . . . . . . . 720

Multicast Admin Boundary Configuration . . . . . . . . . . . . . . . . 721

Multicast Admin Boundary Summary

Multicast Static MRoute Configuration. . . . . . . . . . . . . . . . . . 723

Multicast Static MRoute Summary . . . . . . . . . . . . . . . . . . . . 725

Distance Vector Multicast Routing Protocol . . . . . . . . . . . . . . . . . 727

DVMRP Global Configuration DVMRP Interface Configuration

DVMRP Configuration Summary . . . . . . . . . . . . . . . . . . . . . 730

Next Hop Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . 732

Prune Summary

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 733

Route Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 734

. . . . . . . . . . . . . . . . . . . . . . 716

. . . . . . . . . . . . . . . . . . . . 719

. . . . . . . . . . . . . . . . . . 723

. . . . . . . . . . . . . . . . . . . . . . . 727

. . . . . . . . . . . . . . . . . . . . . 728

Internet Group Management Protocol

. . . . . . . . . . . . . . . . . . . . . 736

IGMP Global Configuration . . . . . . . . . . . . . . . . . . . . . . . . 736

Routing Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 737

Proxy Interface

Multicast Listener Discovery

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 745

. . . . . . . . . . . . . . . . . . . . . . . . . 753

MLD Global Configuration . . . . . . . . . . . . . . . . . . . . . . . . 753

MLD Routing Interface Configuration . . . . . . . . . . . . . . . . . . 754

MLD Routing Interface Summary . . . . . . . . . . . . . . . . . . . . . 755

MLD Routing Interface Cache Information

. . . . . . . . . . . . . . . . 758

MLD Routing Interface Source List Information . . . . . . . . . . . . . 759

MLD Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 760

MLD Proxy Configuration

. . . . . . . . . . . . . . . . . . . . . . . . . 762

MLD Proxy Configuration Summary . . . . . . . . . . . . . . . . . . . 763

Interface Membership Information. . . . . . . . . . . . . . . . . . . . 764

Interface Membership Information—Detailed

. . . . . . . . . . . . . . 766

Protocol Independent Multicast

. . . . . . . . . . . . . . . . . . . . . . . . 767

PIM Global Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 768

PIM Global Status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 769

PIM Interface Configuration . . . . . . . . . . . . . . . . . . . . . . . 770

Interface Summary

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 772

Candidate RP Configuration . . . . . . . . . . . . . . . . . . . . . . . 773

Static RP Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 775

SSM Range Configuration

. . . . . . . . . . . . . . . . . . . . . . . . 777

BSR Candidate Configuration. . . . . . . . . . . . . . . . . . . . . . . 779

BSR Candidate Summary . . . . . . . . . . . . . . . . . . . . . . . . . 780

13 Getting Help

Obtaining Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 784

Online Services Automated Order-Status Service

Support Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 785

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Returning Items for Warranty Repair or Credit

. . . . . . . . . . . . . . . . 786

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Contacting Dell

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Introduction

This section describes the switch user-configurable features. For a list of all features, see the software version release notes.

NOTE: Before proceeding, read the release notes for this product. Release notes are provided with the

firmware available on the Dell Support website, support.dell.com.

The Dell™ PowerConnect™ 6200 series are standalone Layer 2 and 3 switches that extend the Dell PowerConnect LAN switching product range. These switches include the following features:

• 1U form factor, rack-mountable chassis design.

• Support for all data-communication requirements for a multi-layer switch, including layer 2 switching, IPv4 routing, IPv6 routing, IP multicast, quality of service, security, and system management features.

• High availability with hot swappable stack members.

The Dell PowerConnect 6224 switch supports 24 1000Base-T copper ports and 4 "combo" ports for RJ-45 or SFP interfaces. The Dell PowerConnect 6224P adds support for power-over-Ethernet (PoE) capability.

The Dell PowerConnect 6224F switch supports 24 1000Base-FX SFP ports and 4 "combo" ports for RJ-45 or SFP interfaces.

The Dell PowerConnect 6248 supports 48 1000Base-T copper ports and 4 "combo" ports for RJ-45 or SFP interfaces. The Dell PowerConnect 6248P adds support for PoE capability.

The topics covered in this section include:

•System Features

• Switching Features

• Routing Features

•IPv6

• Quality of Service Features

•Multicast Features

• Additional Documentation

Introduction 19

System Features

sFlow

sFlow is the standard for monitoring high-speed switched and routed networks. sFlow Version 5 technology is built into network equipment and gives complete visibility into network activity, enabling effective management and control of network resources.

CDP Interoperability

Allows the PowerConnect switch to interoperate with Cisco™ devices running CDP.

Industry Standard Discovery Protocol (ISDP) is a proprietary Layer 2 network protocol which interoperates with Cisco network equipment and is used to share information between neighboring devices (routers, bridges, access servers, and switches).

Auto Config

Auto Config is a software feature which provides for the configuration of a switch automatically when the device is initialized and no configuration file is found on the switch. Auto Config is accomplished in three phases:

Configuration or assignment of an IP address for the device

Assignment of a TFTP server

Obtaining a configuration file for the device from the TFTP server

Captive Portal

Blocks clients from accessing the network until user verification has been established. Verification can be configured to allow access for both guest and authenticated users. Authenticated users must be validated against a database of authorized Captive Portal users before access is granted.

SNMP Alarms and Trap Logs

The system logs events with severity codes and timestamps. The events are sent as SNMP traps to a trap recipient list.

For information about SNMP Alarms and Traps, see "Defining SNTP Global Parameters."

Web Based Management

You can manage the system from any web browser. The switch contains an embedded web server that serves HTML pages you can use to monitor and configure the system.

Configuration File Download

The switch’s configuration file includes both system-wide and port-specific device configuration data. You can display configuration files through command-line interface (CLI) commands.

For information about downloading configuration files, see "Downloading Files."

20 Introduction

Software Download

Software download enables storage of backup firmware images. For information about downloading the software, see "Software Download and Reboot

Trivial File Transfer Protocol (TFTP)

The PowerConnect 6200 Series switches support boot image, firmware, and configuration upload or download through TFTP.

Remote Monitoring (RMON)

RMON is a standard Management Information Base (MIB) that defines current and historical MAClayer statistics and control objects, allowing real-time information to be captured across the entire network.

Simple Network Management Protocol (SNMP) Versions 1, 2, and 3

The system is fully manageable using a combination of MIB variables, whose combined values represent all facets of the system state, and the SNMP protocol to examine and possibly modify these values. SNMP v1/v2c/v3 over the UDP/IP transport protocol is supported.

Command Line Interface

Command Line Interface (CLI) syntax and semantics conform as much as possible to common industry practice. CLI is composed of mandatory and optional elements. Context-sensitive help provides format and value ranges allowed for current commands, and the CLI interpreter provides command and keyword completion.

Syslog

Syslog is a protocol that allows event notifications to be sent to a set of desired remote servers where they can be stored, examined, and acted upon.

For information about Syslog, see "Managing Logs."

SNTP

The Simple Network Time Protocol (SNTP) assures accurate network switch clock time synchronization up to the millisecond. Time synchronization is performed by a network SNTP server.

For more information about SNTP, see "Configuring SNTP Settings."

Real Time Clock

The Real Time Clock feature allows the user to set the time and date for the switch.

For information about Real Time Clock, see "Clock Detail."

Introduction 21

Configurable CX-4/Stacking Modules

This feature allows the stacking and CX-4 plug-in modules to be configured to either role (Ethernet or Stacking). By default, the module will function according to its module ID. Upon changing the role of a module, a reboot will be required for the change to take effect.

Non-stop Forwarding

This feature enables a stack to continue forwarding packets when the stack management unit fails due to a power failure, hardware failure, or software fault.

22 Introduction

Switching Features

IPv6 Access Control Lists

An IPv6 ACL consists of a set of rules which are matched sequentially against a packet. When a packet meets the match criteria of a rule, the specified rule action (Permit/Deny) is taken and the additional rules are not checked for a match.

Access Control List (ACL) Outbound Support

This feature enables binding an ACL (IP, MAC, or IPv6) in outbound direction on physical, LAG, and VLAN interfaces.

IP Source Guard (IPSG)

IP source guard (IPSG) is a security feature that filters IP packets based on the source ID. The source ID may either be source IP address or a source IP address source MAC address pair. IPSG is disabled by default.

DHCP Snooping

DHCP Snooping is a security feature that monitors DHCP messages between a DHCP client and DHCP server. It filters harmful DHCP messages and builds a bindings database of (MAC address, IP address, VLAN ID, port) tuples that are specified as authorized. DHCP snooping can be enabled globally and on specific VLANs. Ports within the VLAN can be configured to be trusted or untrusted. DHCP servers must be reached through trusted ports.

DHCP L2 Relay

This feature permits L3 Relay agent functionality in L2 switched networks.

Dynamic ARP Inspection

Dynamic ARP Inspection (DAI) is a security feature that rejects invalid and malicious ARP packets. The feature prevents a class of man-in-the-middle attacks, where an unfriendly station intercepts traffic for other stations by poisoning the ARP caches of its unsuspecting neighbors. The miscreant sends ARP requests or responses mapping another station's IP address to its own MAC address.

Dynamic ARP Inspection relies on DHCP Snooping.

MLD Snooping

In IPv4, Layer 2 switches can use IGMP Snooping to limit the flooding of multicast traffic by dynamically configuring Layer 2 interfaces so that multicast traffic is forwarded to only those interfaces associated with IP multicast address.

In IPv6, MLD snooping performs a similar function. With MLD snooping, IPv6 multicast data is selectively forwarded to a list of ports intended to receive the data (instead of being flooded to all of the ports in a VLAN). This list is constructed by snooping IPv6 multicast control packets.

Introduction 23

IGMP Snooping

Internet Group Management Protocol (IGMP) Snooping is a feature that allows a switch to forward multicast traffic intelligently on the switch. Multicast IP traffic is traffic that is destined to a host group. Host groups are identified by class D IP addresses, which range from 224.0.0.0 to 239.255.255.255. Based on the IGMP query and report messages, the switch forwards traffic only to the ports that request the multicast traffic. This prevents the switch from broadcasting the traffic to all ports and possibly affecting network performance.

Port Mirroring

Port mirroring monitors and mirrors network traffic by forwarding copies of incoming and outgoing packets from up to four source ports to a monitoring port.

Broadcast Storm Control

When Layer 2 frames are forwarded, broadcast, unknown unicast, and multicast frames are flooded to all ports on the relevant virtual local area network (VLAN). The flooding occupies bandwidth, and loads all nodes connected on all ports. Storm control limits the amount of broadcast, unknown unicast, and multicast frames accepted and forwarded by the switch.

24 Introduction

Port-Based Features

Jumbo Frames Support

Jumbo frames enable transporting data in fewer frames to ensure less overhead, lower processing time, and fewer interrupts.

Auto-MDI/MDIX Support

The switch supports auto-detection between crossed and straight-through cables.

Media-Dependent Interface (MDI) is the standard wiring for end stations, and the standard wiring for hubs and switches is known as Media-Dependent Interface with Crossover (MDIX).

Auto Negotiation

Auto negotiation allows the switch to advertise modes of operation. The auto negotiation function provides the means to exchange information between two switches that share a point-to-point link segment, and to automatically configure both switches to take maximum advantage of their transmission capabilities.

The PowerConnect 6200 Series enhances auto negotiation by providing port advertisement. Port advertisement allows the system administrator to configure the port speeds advertised.

For information about auto negotiation, see "Port Configuration" or "LAG Configuration."

Flow Control Support (IEEE 802.3x)

Flow control enables lower speed switches to communicate with higher speed switches by requesting that the higher speed switch refrains from sending packets. Transmissions are temporarily halted to prevent buffer overflows.

For information about configuring flow control for ports or LAGs, see "Port Configuration" or "LAG Configuration."

Head of Line Blocking Prevention

Head of Line (HOL) blocking prevention prevents traffic delays and frame loss caused by traffic competing for the same egress port resources. HOL blocking queues packets, and the packets at the head of the queue are forwarded before packets at the end of the queue.

Back Pressure Support

On half-duplex links, a receiver may prevent buffer overflows by occupying the link so that it is unavailable for additional traffic.

Introduction 25

Alternate Store and Forward (ASF)

The Alternate Store and Forward (ASF) feature reduces latency for large packets. When ASF is enabled, the memory management unit (MMU) can forward a packet to the egress port before it has been entirely received on the Cell Buffer Pool (CBP) memory. AFS, which is also known as cut-through mode, is configurable through the command-line interface. For information about how to configure the AFS feature, see the

CLI Reference Guide

, which is located on the Dell Support website at

www.support.dell.com/manuals.

Link Dependency Features

The link dependency feature provides the ability to enable or disable one or more ports based on the state of the link of one or more ports.

For information about Link Dependency, see "Creating Link Dependencies."

Virtual Local Area Network Supported Features

VLAN Support

VLANs are collections of switching ports that comprise a single broadcast domain. Packets are classified as belonging to a VLAN based on either the VLAN tag or a combination of the ingress port and packet contents. Packets sharing common attributes can be groups in the same VLAN.

For information about configuring VLANs, see "Configuring VLANs."

Port-Based VLANs

Port-based VLANs classify incoming packets to VLANs based on their ingress port. When a port uses

802.1X port authentication, packets can be assigned to a VLAN based on the result of the 802.1X authentication a client uses when it accesses the switch. This feature is useful for assigning traffic to Guest VLANs or Voice VLANs.

For information about configuring VLANs, see "Configuring VLANs."

IEEE 802.1v Protocol-Based VLANs

VLAN classification rules are defined on data-link layer (Layer 2) protocol identification. Protocol-based VLANs are used for isolating Layer 2 traffic for differing Layer 3 protocols.

For information about defining Protocol-Based VLANs, see "Protocol Group."

Full 802.1Q VLAN Tagging Compliance

IEEE 802.1Q defines an architecture for virtual bridged LANs, the services provided in VLANs, and the protocols and algorithms involved in the provision of these services.

26 Introduction

GVRP Support

GARP VLAN Registration Protocol (GVRP) provides IEEE 802.1Q-compliant VLAN pruning and dynamic VLAN creation on 802.1Q trunk ports. When GVRP is enabled, the switch registers and propagates VLAN membership on all ports that are part of the active spanning tree protocol topology.

For information about configuring GVRP, see "GVRP Parameters."

Protected Ports (Private VLAN Edge)

Private VLAN Edge (PVE) ports are a Layer 2 security feature that provides port-based security between ports that are members of the same VLAN. It is an extension of the common VLAN. Traffic from protected ports is sent only to the uplink ports and cannot be sent to other ports within the VLAN.

Subnet-based VLAN

This feature allows incoming untagged packets to be assigned to a VLAN and traffic class based on the source IP address of the packet.

For information about configuring Subnet-based VLANs, see "Bind IP Subnet to VLAN."

MAC-based VLAN

This feature allows incoming untagged packets to be assigned to a VLAN and traffic class based on the source MAC address of the packet.

For information about configuring MAC-based VLANs, see "Bind MAC to VLAN."

Double VLANs

The Double VLAN feature allows the use of a second tag on network traffic. The additional tag helps differentiate between customers in the Metropolitan Area Networks (MAN) while preserving individual customer’s VLAN identification when they enter their own 802.1Q domain.

Protocol-based VLANs

In a protocol-based VLAN, traffic is bridged through specified ports based on the VLAN’s protocol. Userdefined packet filters determine if a particular packet belongs to a particular VLAN. Protocol-based VLANs are most often used in situations where network segments contain hosts running multiple protocols.

Introduction 27

Spanning Tree Protocol Features

Spanning Tree Now Supports IEEE 802.1Q-2005

This version of the IEEE Multiple Spanning Tree Protocol corrects problems associated with the previous version, provides for faster transition-to-forwarding, and incorporates new features for a port (restricted role and restricted TCN).

Spanning Tree Enhancements

•

Loop Guard

forwarding when the port stops receiving BPDUs. The port is marked as being in loop-inconsistent state. In this state, the port does not forward packets. The possible values are Enable or Disable.

TCN Guard

• change information received through that port. This means that even if a port receives a BPDU with the topology change flag set to true, the port will not flush its MAC address table and send out a BPDU with a topology change flag set to true.

•

Auto Edge

BPDUs for some duration.

•

BPDU Filter

on this port.

BPDU Flood

• when STP is disabled on this port.

Spanning Tree Protocol (STP) per Switch

802.1d STP is a standard requirement of Layer 2 switches that allows bridges to automatically prevent and resolve L2 forwarding loops.

For information about configuring Spanning Tree Protocol, see "Configuring the Spanning Tree Protocol."

— This feature prevents a port from erroneously transitioning from blocking state to

— Enabling the TCN Guard feature restricts the port from propagating any topology

— Enabling the Auto Edge feature allows the port to become an edge port if it does not see

— When enabled, this feature filters the BPDU traffic on this port when STP is enabled

— When enabled, the BPDU Flood feature floods the BPDU traffic arriving on this port

IEEE 802.1w Rapid Spanning Tree

Rapid Spanning Tree Protocol (RSTP) detects and uses network topologies to enable faster spanning tree convergence after a topology change, without creating forwarding loops.

For information about configuring Rapid Spanning Tree Protocol, see "Rapid Spanning Tree."

Multiple Spanning Tree

Multiple Spanning Tree (MSTP) operation maps VLANs to spanning tree instances. Packets assigned to various VLANs are transmitted along different paths within MSTP Regions (MST Regions). Regions are one or more interconnected MSTP bridges with identical MSTP settings. The MSTP standard lets administrators assign VLAN traffic to unique paths.

For information about configuring Multiple Spanning Tree, see "MSTP Settings."

28 Introduction

Spanning Tree Root Guard

Spanning Tree Root Guard is used to prevent the root of a Spanning Tree instance from changing unexpectedly. The priority of a Bridge ID can be set to zero but another Bridge ID with a lower mac address could also set its priority to zero and take over root.

Bridge Protocol Data Unit Guard

Spanning Tree BPDU Guard is used to disable the port in case a new device tries to enter the already existing topology of STP. Thus devices, which were originally not a part of STP, are not allowed to influence the STP topology.

Link Aggregation Features

Link Aggregation

Up to eight ports can combine to form a single Link Aggregated Group (LAG). This enables fault tolerance protection from physical link disruption, higher bandwidth connections and improved bandwidth granularity.

A LAG is composed of ports of the same speed, set to full-duplex operation.

For information about configuring LAGs, see "LAG Configuration."

Link Aggregation and LACP

Link Aggregate Control Protocol (LACP) uses peer exchanges across links to determine, on an ongoing basis, the aggregation capability of various links, and continuously provides the maximum level of aggregation capability achievable between a given pair of systems. LACP automatically determines, configures, binds, and monitors the binding of ports to aggregators within the system.

For information about LACP, see "LACP Parameters."

IP Phone and Access Point Support Features

Power Over Ethernet (PoE) Configuration

The PowerConnect 6200 supports PoE configuration for power threshold, SNMP traps, and PoE legacy device support.

Link Layer Discovery Protocol (LLDP) for Media Endpoint Devices

The Link Layer Discovery Protocol for Media Endpoint Devices (LLDP-MED) provides an extension to the LLDP standard for network configuration and policy, device location, Power over Ethernet management, and inventory management.

For information about configuring LLDP-MED, see "Configuring Link Layer Discovery Protocol (LLDP) for Media Endpoint Devices."

Introduction 29

Voice VLAN

The Voice VLAN feature enables switch ports to carry voice traffic with defined priority. The priority level enables the separation of voice and data traffic coming onto the port.

For information about configuring Voice VLAN, see "Configuring Voice VLAN."

30 Introduction

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