Dell Powerconnect m6348 User manual

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Dell™ PowerConnect™

M6220/M6348/M8024 Switches

Configuration Guide

Model PCM6220/PCM6348/PCM8024

Notes, Notices, and Cautions

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

NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the

problem.

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

____________________

Information in this document is subject to change without notice.

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

Trademarks used in this text: Dell, Dell OpenManage, the DELL logo, Inspiron, Dell Precision, Dimension, OptiPlex, PowerConnect,

PowerApp, PowerVault, Axim, DellNet, and Latitude are trademarks of Dell Inc.; Microsoft, Windows, and Windows Vista are either trademarks

or registered trademarks of Microsoft Corporation in the United States and/or other countries. Procomm Plus is a registered trademark of

Symantec Corporation or its affiliates in the U.S. and 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 PCM6220/PCM6348/PCM8024

June 2009 Rev. A00

Contents

1 About this Document . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Additional Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2 System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Traceroute . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

CLI Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Configuration Scripting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Outbound Telnet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Simple Network Time Protocol (SNTP) . . . . . . . . . . . . . . . . . . . . . 17

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Syslog. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Port Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

CLI Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Storm Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

CLI Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

10GBASE-T Plug-in Module Configuration . . . . . . . . . . . . . . . . . . . 23

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

3 Switching Configuration. . . . . . . . . . . . . . . . . . . . . . . . . 25

Virtual LANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

VLAN Configuration Example . . . . . . . . . . . . . . . . . . . . . . . . 26

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Web Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

IP Subnet and MAC-Based VLANs . . . . . . . . . . . . . . . . . . . . . 29

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Protocol-Based VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Private Edge VLANs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

IGMP Snooping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

IGMP Snooping Querier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Link Aggregation/Port Channels. . . . . . . . . . . . . . . . . . . . . . . . . 35

CLI Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Web Interface Configuration: LAGs/Port-channels . . . . . . . . . . . . 38

Port Mirroring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Port Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Link Layer Discovery Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . 40

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Denial of Service Attack Protection. . . . . . . . . . . . . . . . . . . . . . . 42

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

DHCP Snooping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Port Aggregator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Simple Mode Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . 53

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Simple Switch Mode Supported CLI Commands . . . . . . . . . . . . . . 59

sFlow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

sFlow Agents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

4 Routing Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 67

VLAN Routing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Using the Web Interface to Configure VLAN Routing . . . . . . . . . . . 70

Virtual Router Redundancy Protocol . . . . . . . . . . . . . . . . . . . . . . 70

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Using the Web Interface to Configure VRRP . . . . . . . . . . . . . . . . 73

Proxy Address Resolution Protocol (ARP). . . . . . . . . . . . . . . . . . . . 73

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

OSPF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

OSPF Concepts and Terms . . . . . . . . . . . . . . . . . . . . . . . . . 74

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Routing Information Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . 84

RIP Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

Using the Web Interface to Configure RIP . . . . . . . . . . . . . . . . . 87

Route Preferences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Assigning Administrative Preferences to Routing Protocols. . . . . . . . 87

Using Equal Cost Multipath . . . . . . . . . . . . . . . . . . . . . . . . . 89

Loopback Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

IP Helper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

5 Device Security. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

802.1x Network Access Control . . . . . . . . . . . . . . . . . . . . . . . . . 97

802.1x Network Access Control Examples . . . . . . . . . . . . . . . . . 98

802.1X Authentication and VLANs . . . . . . . . . . . . . . . . . . . . . . . 100

Authenticated and Unauthenticated VLANs . . . . . . . . . . . . . . . 100

Guest VLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

802.1x MAC Authentication Bypass (MAB) . . . . . . . . . . . . . . . . . . 103

Operation in the Network . . . . . . . . . . . . . . . . . . . . . . . . . 103

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

Authentication Server Filter Assignment . . . . . . . . . . . . . . . . . . . 105

Access Control Lists (ACLs) . . . . . . . . . . . . . . . . . . . . . . . . . . 106

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

MAC ACLs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

IP ACLs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

ACL Configuration Process . . . . . . . . . . . . . . . . . . . . . . . . 108

IP ACL CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

MAC ACL CLI Examples. . . . . . . . . . . . . . . . . . . . . . . . . . 110

RADIUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

RADIUS Configuration Examples . . . . . . . . . . . . . . . . . . . . . 113

TACACS+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

TACACS+ Configuration Example . . . . . . . . . . . . . . . . . . . . . 116

Captive Portal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . 117

Captive Portal Configuration, Status and Statistics . . . . . . . . . . . 118

Captive Portal Status . . . . . . . . . . . . . . . . . . . . . . . . . . . 121

Captive Portal Statistics . . . . . . . . . . . . . . . . . . . . . . . . . 122

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

6IPv6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

Interface Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

CLI Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

DHCPv6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

7 Quality of Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133

Class of Service Queuing . . . . . . . . . . . . . . . . . . . . . . . . . . . 133

Ingress Port Configuration . . . . . . . . . . . . . . . . . . . . . . . . 133

Egress Port Configuration—Traffic Shaping . . . . . . . . . . . . . . . 134

Queue configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

Queue Management Type . . . . . . . . . . . . . . . . . . . . . . . . 134

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

Differentiated Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137

CLI Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

DiffServ for VoIP Configuration Example . . . . . . . . . . . . . . . . . 140

8 Multicast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

IGMP Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144

CLI Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144

IGMP Proxy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145

DVMRP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

CLI Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

PIM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

PIM-SM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

PIM-DM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149

9 Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151

Auto Config . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151

Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . 151

CLI Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157

About this Document 9

About this Document

This configuration guide provides examples of how to use the following switches in a typical

network:

• Dell™ PowerConnect™ M6220

•DellPowerConnectM6348

•DellPowerConnectM8024

It describes the advantages of specific functions the PowerConnect M6220/M6348/M8024 switches

and provides and includes information about configuring those functions using the command line

interface (CLI).

Organization

This document is organized as follows:

• "System Configuration" on page 11 describes how to configure basic system and port settings, use

system interfaces and utilities, and create and use CLI scripts.

• "Switching Configuration" on page 25 provides configuration scenarios for layer 2 switching,

including creating virtual local area networks (VLANs) and Internet Group Management Protocol

(IGMP) snooping interfaces, and enabling port security.

• "Routing Configuration" on page 67 provides configuration scenarios for layer 3 features such as

VLAN routing, Open Shortest Path First (OSPF), and Routing Information Protocol (RIP).

• "Device Security" on page 97 provides information on creating access control lists and configuring

RADIUS and TACACS+ servers.

• "IPv6" on page 127 describes configuring and using IPv6-enabled interfaces in a mixed IPv6/IPv4

network.

• "Quality of Service" on page 133 provides configuration scenarios for class-of-service (CoS)

queueing and differentiated services (DiffServ).

• "Multicast" on page 143 describes how to configure IGMP, IGMP proxy, Distance Vector Multicast

Routing Protocol (DVMRP), and Protocol Independent Multicast (PIM) on the switch.

• "Utility" on page 151 describes commands used to manage the switch.

10 About this Document

Additional Documentation

The following documentation provides additional information about PowerConnect

M6220/M6348/M8024 software:

•The

CLI Command Reference

for your Dell PowerConnect switch describes the commands available

from the command-line interface (CLI) for managing, monitoring, and configuring the switch.

•The

User’s Guide

for your Dell PowerConnect switch describes the Web GUI. Many of the scenarios

described in this document can be fully configured using the Web interface. This guide also provides

initial system setup and configuration instructions.

•The

Getting Started Guide

for your Dell PowerConnect switch provides basic information to install,

configure, and operate the system.

• Release notes for your Dell PowerConnect product detail the platform-specific functionality of the

software packages, including issues and workarounds.

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