Dell PowerConnect 7024 User guide

Dell PowerConnect

7000 Series Switch

User’s Configuration

Guide

Regulatory Models: PC7024, PC7024P,

PC7024F, PC7048, PC7048P, PC7048R, and

PC7048R-RA

Notes and Cautions

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

your computer.

CAUTION: A CAUTION indicates potential damage to hardware or loss of data if

instructions are not followed.

____________

Information in this publication is subject to change without notice.

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, EqualLogic™, PowerConnect™, and

OpenManage™ are trademarks of Dell Inc. Microsoft

®

, Windows

®

, Windows Server

®

, MS-DOS

®

,

and Windows Vista

®

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. Mozilla

®

and Firefox

®

are registered trademarks of the

Mozilla Foundation.

Other trademarks and trade names may be used in this publication 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.

Regulatory Models: PC7024, PC7024P, PC7024F, PC7048, PC7048P, PC7048R, and PC7048R-RA

January 2013 Rev. A05

Contents 3

Contents

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . 49

About This Document . . . . . . . . . . . . . . . . . . 49

Audience . . . . . . . . . . . . . . . . . . . . . . . . . 49

Document Conventions . . . . . . . . . . . . . . . . . 50

Additional Documentation

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

2 Switch Features . . . . . . . . . . . . . . . . . . . 51

System Management Features . . . . . . . . . . . . . 52

Multiple Management Options

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

System Time Management . . . . . . . . . . . . . 52

Log Messages

. . . . . . . . . . . . . . . . . . . 53

Integrated DHCP Server . . . . . . . . . . . . . . 54

Management of Basic Network Information . . . . 54

IPv6 Management Features . . . . . . . . . . . . 54

Dual Software Images . . . . . . . . . . . . . . . 54

File Management

. . . . . . . . . . . . . . . . . . 55

Switch Database Management Templates. . . . . 55

Automatic Installation of Firmware and

Configuration

. . . . . . . . . . . . . . . . . . . . 55

sFlow . . . . . . . . . . . . . . . . . . . . . . . . 56

SNMP Alarms and Trap Logs . . . . . . . . . . . . 56

CDP Interoperability through ISDP

. . . . . . . . . 56

Remote Monitoring (RMON) . . . . . . . . . . . . 56

Stacking Features . . . . . . . . . . . . . . . . . . . . 57

High Port Count

. . . . . . . . . . . . . . . . . . . 57

4 Contents

Single IP Management . . . . . . . . . . . . . . . 57

Automatic Firmware Update for New Stack

Members

. . . . . . . . . . . . . . . . . . . . . . 57

Stacking Compatibility with the PowerConnect

M6348

. . . . . . . . . . . . . . . . . . . . . . . . 57

Master Failover with Transparent Transition . . . . 58

Nonstop Forwarding on the Stack . . . . . . . . . 58

Hot Add/Delete and Firmware Synchronization . . 58

Security Features . . . . . . . . . . . . . . . . . . . . 58

Configurable Access and Authentication

Profiles

. . . . . . . . . . . . . . . . . . . . . . . 58

Password-Protected Management Access

. . . . 59

Strong Password Enforcement . . . . . . . . . . . 59

TACACS+ Client . . . . . . . . . . . . . . . . . . . 59

RADIUS Support

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

SSH/SSL. . . . . . . . . . . . . . . . . . . . . . . 60

Inbound Telnet Control . . . . . . . . . . . . . . . 60

Denial of Service

. . . . . . . . . . . . . . . . . . 60

Port Protection . . . . . . . . . . . . . . . . . . . 60

Captive Portal . . . . . . . . . . . . . . . . . . . . 61

Dot1x Authentication (IEEE 802.1X)

. . . . . . . . . 61

MAC-Based 802.1X Authentication . . . . . . . . . 61

Dot1x Monitor Mode . . . . . . . . . . . . . . . . 62

MAC-Based Port Security

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

Access Control Lists (ACL) . . . . . . . . . . . . . 62

Time-Based ACLs

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

IP Source Guard (IPSG)

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

DHCP Snooping . . . . . . . . . . . . . . . . . . . 63

Dynamic ARP Inspection . . . . . . . . . . . . . . 63

Protected Ports (Private VLAN Edge)

. . . . . . . . 64

Green Technology Features

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

Energy Detect Mode

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

Energy Efficient Ethernet

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

Contents 5

Power Utilization Reporting . . . . . . . . . . . . 65

Power over Ethernet (PoE) Plus Features

. . . . . . . . 66

Power Over Ethernet (PoE) Plus Configuration

. . 66

PoE Plus Support

. . . . . . . . . . . . . . . . . . 66

Switching Features

. . . . . . . . . . . . . . . . . . . 66

Flow Control Support (IEEE 802.3x)

. . . . . . . . . 66

Head of Line Blocking Prevention

. . . . . . . . . 66

Jumbo Frames Support . . . . . . . . . . . . . . . 67

Auto-MDI/MDIX Support . . . . . . . . . . . . . . 67

VLAN-Aware MAC-based Switching

. . . . . . . . 67

Back Pressure Support . . . . . . . . . . . . . . . 67

Auto Negotiation . . . . . . . . . . . . . . . . . . 68

Broadcast Storm Control

. . . . . . . . . . . . . . 68

Port Mirroring. . . . . . . . . . . . . . . . . . . . 68

Static and Dynamic MAC Address Tables . . . . . 69

Link Layer Discovery Protocol (LLDP)

. . . . . . . 69

Link Layer Discovery Protocol (LLDP) for

Media Endpoint Devices

. . . . . . . . . . . . . . 69

Connectivity Fault Management

(IEEE 802.1ag)

. . . . . . . . . . . . . . . . . . . . 69

switchCisco Protocol Filtering . . . . . . . . . . . 70

DHCP Layer 2 Relay

. . . . . . . . . . . . . . . . . 70

Virtual Local Area Network Supported Features

. . . . 70

VLAN Support

. . . . . . . . . . . . . . . . . . . . 70

Port-Based VLANs

. . . . . . . . . . . . . . . . . 70

IP Subnet-based VLAN . . . . . . . . . . . . . . . 71

MAC-based VLAN . . . . . . . . . . . . . . . . . 71

IEEE 802.1v Protocol-Based VLANs

. . . . . . . . 71

GARP and GVRP Support . . . . . . . . . . . . . . 71

Voice VLAN . . . . . . . . . . . . . . . . . . . . . 71

Guest VLAN

. . . . . . . . . . . . . . . . . . . . . 72

Double VLANs . . . . . . . . . . . . . . . . . . . 72

6 Contents

Spanning Tree Protocol Features . . . . . . . . . . . . 73

Spanning Tree Protocol (STP)

. . . . . . . . . . . 73

Spanning Tree Port Settings . . . . . . . . . . . . 73

Rapid Spanning Tree . . . . . . . . . . . . . . . . 73

Multiple Spanning Tree

. . . . . . . . . . . . . . . 73

Bridge Protocol Data Unit (BPDU) Guard. . . . . . 74

BPDU Filtering . . . . . . . . . . . . . . . . . . . 74

Link Aggregation Features

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

Link Aggregation

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

Link Aggregate Control Protocol (LACP)

. . . . . . 74

Routing Features

. . . . . . . . . . . . . . . . . . . . . 76

Address Resolution Protocol (ARP) Table

Management . . . . . . . . . . . . . . . . . . . . 76

VLAN Routing . . . . . . . . . . . . . . . . . . . . 76

IP Configuration . . . . . . . . . . . . . . . . . . . 76

Open Shortest Path First (OSPF)

. . . . . . . . . . 76

BOOTP/DHCP Relay Agent . . . . . . . . . . . . . 77

IP Helper and UDP Relay . . . . . . . . . . . . . . 77

Routing Information Protocol . . . . . . . . . . . . 77

Router Discovery . . . . . . . . . . . . . . . . . . 77

Routing Table

. . . . . . . . . . . . . . . . . . . . 77

Virtual Router Redundancy Protocol (VRRP) . . . . 78

Tunnel and Loopback Interfaces . . . . . . . . . . 78

IPv6 Routing Features . . . . . . . . . . . . . . . . . . 78

IPv6 Configuration

. . . . . . . . . . . . . . . . . 78

IPv6 Routes . . . . . . . . . . . . . . . . . . . . . 79

OSPFv3

. . . . . . . . . . . . . . . . . . . . . . . 79

DHCPv6 . . . . . . . . . . . . . . . . . . . . . . . 79

Quality of Service (QoS) Features . . . . . . . . . . . . 80

Differentiated Services (DiffServ)

. . . . . . . . . 80

Class Of Service (CoS) . . . . . . . . . . . . . . . 80

Contents 7

Auto Voice over IP (VoIP). . . . . . . . . . . . . . 80

Internet Small Computer System Interface

(iSCSI) Optimization

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

Layer 2 Multicast Features . . . . . . . . . . . . . . . 81

MAC Multicast Support

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

IGMP Snooping . . . . . . . . . . . . . . . . . . . 81

IGMP Snooping Querier

. . . . . . . . . . . . . . 82

MLD Snooping . . . . . . . . . . . . . . . . . . . 82

Multicast VLAN Registration . . . . . . . . . . . . 82

Layer 3 Multicast Features . . . . . . . . . . . . . . . 83

Distance Vector Multicast Routing Protocol

. . . . 83

Internet Group Management Protocol . . . . . . . 83

IGMP Proxy

. . . . . . . . . . . . . . . . . . . . . 83

Protocol Independent Multicast—Dense

Mode

. . . . . . . . . . . . . . . . . . . . . . . . 83

Protocol Independent Multicast—Sparse

Mode

. . . . . . . . . . . . . . . . . . . . . . . . 84

Protocol Independent Multicast—Source

Specific Multicast

. . . . . . . . . . . . . . . . . 84

Protocol Independent Multicast IPv6 Support . . . 84

MLD/MLDv2 (RFC2710/RFC3810) . . . . . . . . . . 84

3 Hardware Overview. . . . . . . . . . . . . . . . . 85

PowerConnect 7000 Series Front Panel . . . . . . . . . 85

Switch Ports

. . . . . . . . . . . . . . . . . . . . 88

Console Port . . . . . . . . . . . . . . . . . . . . 89

Out-of-Band Management Port

. . . . . . . . . . 89

USB Port . . . . . . . . . . . . . . . . . . . . . . 89

Reset Button . . . . . . . . . . . . . . . . . . . . 90

Port and System LEDs . . . . . . . . . . . . . . . 90

Stack Master LED and Stack Number Display . . . 90

8 Contents

PowerConnect 7000 Series Back Panel . . . . . . . . . 90

Expansion Slots for Plug-in Modules

. . . . . . . . 92

Power Supplies . . . . . . . . . . . . . . . . . . . 93

Ventilation System . . . . . . . . . . . . . . . . . 94

Locator LED

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

LED Definitions

. . . . . . . . . . . . . . . . . . . . . . 95

Port LEDs

. . . . . . . . . . . . . . . . . . . . . . 95

Module LEDs

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

System LEDs

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

Switch Addresses . . . . . . . . . . . . . . . . . . . 100

4 Using Dell OpenManage Switch

Administrator . . . . . . . . . . . . . . . . . . . . 103

About Dell OpenManage Switch Administrator. . . . 103

Starting the Application . . . . . . . . . . . . . . . . 104

Understanding the Interface

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

Defining Fields . . . . . . . . . . . . . . . . . . . . . 107

Understanding the Device View . . . . . . . . . . . . 108

Using the Device View Port Features

. . . . . . . 108

Using the Device View Switch Locator

Feature

. . . . . . . . . . . . . . . . . . . . . . 108

5 Using the Command-Line Interface . . . . 109

Accessing the Switch Through the CLI . . . . . . . . 109

Console Connection

. . . . . . . . . . . . . . . . 109

Telnet Connection. . . . . . . . . . . . . . . . . 110

Contents 9

Understanding Command Modes . . . . . . . . . . . . 111

Entering CLI Commands

. . . . . . . . . . . . . . . . . 113

Using the Question Mark to Get Help

. . . . . . . 113

Using Command Completion

. . . . . . . . . . . . 114

Entering Abbreviated Commands . . . . . . . . . 114

Negating Commands . . . . . . . . . . . . . . . . 114

Understanding Error Messages

. . . . . . . . . . 115

Recalling Commands from the History Buffer . . . 115

6 Default Settings. . . . . . . . . . . . . . . . . . . 117

7 Setting the IP Address and Other

Basic Network Information . . . . . . . . . . 121

IP Address and Network Information Overview . . . . 121

What Is the Basic Network Information?

. . . . . 121

Why Is Basic Network Information Needed? . . . 122

How Is Basic Network Information

Configured?

. . . . . . . . . . . . . . . . . . . . . 123

What Is Out-of-Band Management and

In-Band Management?

. . . . . . . . . . . . . . . 123

Default Network Information

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

Configuring Basic Network Information (Web) . . . . . 126

Out-of-Band Interface

. . . . . . . . . . . . . . . 126

IP Interface Configuration (Default VLAN IP

Address)

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

Route Entry Configuration (Switch Default

Gateway)

. . . . . . . . . . . . . . . . . . . . . . 128

Domain Name Server

. . . . . . . . . . . . . . . . 130

Default Domain Name

. . . . . . . . . . . . . . . 131

Host Name Mapping . . . . . . . . . . . . . . . . 132

10 Contents

Dynamic Host Name Mapping . . . . . . . . . . 133

Configuring Basic Network Information (CLI)

. . . . . 134

Enabling the DHCP Client on the OOB Port

. . . . 134

Enabling the DHCP Client on the Default VLAN

. 134

Managing DHCP Leases . . . . . . . . . . . . . 135

Configuring Static Network Information on the

OOB Port

. . . . . . . . . . . . . . . . . . . . . 136

Configuring Static Network Information on the

Default VLAN

. . . . . . . . . . . . . . . . . . . 136

Configuring and Viewing Additional Network

Information

. . . . . . . . . . . . . . . . . . . . 137

Basic Network Information Configuration Example . 138

8 Managing a Switch Stack . . . . . . . . . . . 141

Stacking Overview . . . . . . . . . . . . . . . . . . . 141

PowerConnect 7000 Series and M6348

Stacking Compatibility

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

How is the Stack Master Selected? . . . . . . . 143

Adding a Switch to the Stack

. . . . . . . . . . . 145

Removing a Switch from the Stack . . . . . . . . 146

How is the Firmware Updated on the Stack? . . . 146

What is Stacking Standby?

. . . . . . . . . . . . 147

What is Nonstop Forwarding? . . . . . . . . . . 147

Switch Stack MAC Addressing and Stack

Design Considerations

. . . . . . . . . . . . . . 150

NSF Network Design Considerations. . . . . . . 150

Why is Stacking Needed? . . . . . . . . . . . . 151

Default Stacking Values . . . . . . . . . . . . . . . . 151

Managing and Monitoring the Stack (Web) . . . . . . 152

Unit Configuration

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

Stack Summary . . . . . . . . . . . . . . . . . . 154

Contents 11

Stack Firmware Synchronization . . . . . . . . . . 155

Supported Switches . . . . . . . . . . . . . . . . 156

Stack Port Summary . . . . . . . . . . . . . . . . 157

Stack Port Counters

. . . . . . . . . . . . . . . . 158

Stack Port Diagnostics . . . . . . . . . . . . . . . 158

NSF Summary. . . . . . . . . . . . . . . . . . . . 159

Checkpoint Statistics

. . . . . . . . . . . . . . . . 160

Managing the Stack (CLI)

. . . . . . . . . . . . . . . . 161

Configuring Stack Member, Stack Port, and

NSF Settings . . . . . . . . . . . . . . . . . . . . 161

Viewing and Clearing Stacking and NSF

Information

. . . . . . . . . . . . . . . . . . . . . 163

Stacking and NSF Usage Scenarios. . . . . . . . . . . 163

Basic Failover

. . . . . . . . . . . . . . . . . . . . 164

Preconfiguring a Stack Member . . . . . . . . . . 166

NSF in the Data Center

. . . . . . . . . . . . . . . 168

NSF and VoIP

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

NSF and DHCP Snooping . . . . . . . . . . . . . . 170

NSF and the Storage Access Network. . . . . . . 171

NSF and Routed Access . . . . . . . . . . . . . . 173

9 Configuring Authentication,

Authorization, and Accounting . . . . . . . 175

AAA Overview . . . . . . . . . . . . . . . . . . . . . . 175

Methods

. . . . . . . . . . . . . . . . . . . . . . 176

Access Lines . . . . . . . . . . . . . . . . . . . . 177

Authentication . . . . . . . . . . . . . . . . . . . . . . 177

Authorization. . . . . . . . . . . . . . . . . . . . . . . 178

Exec Authorization Capabilities

. . . . . . . . . . 179

12 Contents

Accounting . . . . . . . . . . . . . . . . . . . . . . . 180

Authentication Examples

. . . . . . . . . . . . . . . 181

Local Authentication Example

. . . . . . . . . . 181

TACACS+ Authentication Example

. . . . . . . . 182

RADIUS Authentication Example . . . . . . . . . 184

Authorization Examples . . . . . . . . . . . . . . . . 185

Local Authorization Example—Direct Login

to Privileged EXEC Mode

. . . . . . . . . . . . . 185

TACACS+ Authorization Example—Direct Login

to Privileged EXEC Mode

. . . . . . . . . . . . . 185

TACACS+ Authorization Example—

Administrative Profiles

. . . . . . . . . . . . . . 186

TACACS+ Authorization Example—Custom

Administrative Profile

. . . . . . . . . . . . . . . 187

TACACS+ Authorization Example—

Per-command Authorization

. . . . . . . . . . . 188

RADIUS Authorization Example—Direct Login

to Privileged EXEC Mode

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

RADIUS Authorization Example—

Administrative Profiles

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

Using RADIUS Servers to Control Management

Access

. . . . . . . . . . . . . . . . . . . . . . . . . 190

How Does RADIUS Control Management

Access?

. . . . . . . . . . . . . . . . . . . . . . 190

Which RADIUS Attributes Does the Switch

Support?

. . . . . . . . . . . . . . . . . . . . . . 192

How Are RADIUS Attributes Processed on

the Switch?

. . . . . . . . . . . . . . . . . . . . 194

Using TACACS+ Servers to Control Management

Access

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

Which TACACS+ Attributes Does the Switch

Support?

. . . . . . . . . . . . . . . . . . . . . . 196

Contents 13

Default Configurations. . . . . . . . . . . . . . . . . . 197

Method Lists

. . . . . . . . . . . . . . . . . . . . 197

Access Lines (AAA) . . . . . . . . . . . . . . . . 197

Access Lines (Non-AAA) . . . . . . . . . . . . . . 198

Administrative Profiles

. . . . . . . . . . . . . . . 198

10 Monitoring and Logging System

Information . . . . . . . . . . . . . . . . . . . . . . 201

System Monitoring Overview . . . . . . . . . . . . . . 201

What System Information Is Monitored?

. . . . . . 201

Why Is System Information Needed? . . . . . . . 202

Where Are Log Messages Sent? . . . . . . . . . . 202

What Are the Severity Levels?

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

What Are the System Startup and Operation

Logs?

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

What Is the Log Message Format? . . . . . . . . . 204

What Factors Should Be Considered When

Configuring Logging?

. . . . . . . . . . . . . . . . 205

Default Log Settings

. . . . . . . . . . . . . . . . . . . 205

Monitoring System Information and Configuring

Logging (Web)

. . . . . . . . . . . . . . . . . . . . . . 207

Device Information

. . . . . . . . . . . . . . . . . 207

System Health

. . . . . . . . . . . . . . . . . . . 209

System Resources

. . . . . . . . . . . . . . . . . 210

Unit Power Usage History

. . . . . . . . . . . . . 211

Integrated Cable Test for Copper Cables. . . . . . 212

Optical Transceiver Diagnostics

. . . . . . . . . . 213

Log Global Settings

. . . . . . . . . . . . . . . . . 215

RAM Log . . . . . . . . . . . . . . . . . . . . . . 216

Log File . . . . . . . . . . . . . . . . . . . . . . . 217

Remote Log Server . . . . . . . . . . . . . . . . . 217

Email Alert Global Configuration . . . . . . . . . . 220

14 Contents

Email Alert Mail Server Configuration . . . . . . 221

Email Alert Subject Configuration . . . . . . . . 223

Email Alert To Address Configuration. . . . . . . 224

Email Alert Statistics . . . . . . . . . . . . . . . 225

Monitoring System Information and Configuring

Logging (CLI)

. . . . . . . . . . . . . . . . . . . . . . 226

Viewing System Information and Enabling

the Locator LED

. . . . . . . . . . . . . . . . . . 226

Running Cable Diagnostics

. . . . . . . . . . . . 226

Configuring Local Logging . . . . . . . . . . . . 227

Configuring Remote Logging . . . . . . . . . . . 229

Configuring Mail Server Settings . . . . . . . . . 230

Configuring Email Alerts for Log Messages . . . 231

Logging Configuration Examples

. . . . . . . . . . . 233

Configuring Local and Remote Logging

. . . . . 233

Configuring Email Alerting

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

11 Managing General System Settings . . . 239

System Settings Overview . . . . . . . . . . . . . . . 239

Why Does System Information Need to

Be Configured? . . . . . . . . . . . . . . . . . . 240

What Are SDM Templates? . . . . . . . . . . . . 241

Why is the System Time Needed?

. . . . . . . . 242

How Does SNTP Work?

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

What Configuration Is Required for Plug-In

Modules?

. . . . . . . . . . . . . . . . . . . . . 243

What Are the Key PoE Plus Features for the

PC7024P and PC7048P?

. . . . . . . . . . . . . . 243

Default General System Information . . . . . . . . . 245

Configuring General System Settings (Web)

. . . . . 246

System Information

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

Contents 15

CLI Banner . . . . . . . . . . . . . . . . . . . . . 249

SDM Template Preference

. . . . . . . . . . . . . 250

Clock . . . . . . . . . . . . . . . . . . . . . . . . 251

SNTP Global Settings . . . . . . . . . . . . . . . . 252

SNTP Authentication

. . . . . . . . . . . . . . . . 253

SNTP Server . . . . . . . . . . . . . . . . . . . . 255

Summer Time Configuration . . . . . . . . . . . . 259

Time Zone Configuration . . . . . . . . . . . . . . 260

Card Configuration . . . . . . . . . . . . . . . . . 261

Slot Summary . . . . . . . . . . . . . . . . . . . . 262

Supported Cards . . . . . . . . . . . . . . . . . . 263

Power Over Ethernet Global Configuration

(7024P/7048P Only)

. . . . . . . . . . . . . . . . . 264

Power Over Ethernet Interface Configuration

(7024P/7048P Only)

. . . . . . . . . . . . . . . . . 265

Configuring System Settings (CLI)

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

Configuring System Information

. . . . . . . . . . 267

Configuring the Banner

. . . . . . . . . . . . . . . 268

Managing the SDM Template

. . . . . . . . . . . 269

Configuring SNTP Authentication and an

SNTP Server

. . . . . . . . . . . . . . . . . . . . 269

Setting the System Time and Date Manually

. . . . 271

Configuring the Expansion Slots

. . . . . . . . . . 272

Configuring PoE Settings (7024P/7048P Only)

. . . 273

General System Settings Configuration Examples

. . . 276

Configuring System and Banner Information

. . . 276

Configuring SNTP

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

Configuring the Time Manually

. . . . . . . . . . . 281

12 Configuring SNMP . . . . . . . . . . . . . . . . . 283

SNMP Overview . . . . . . . . . . . . . . . . . . . . . 283

What Is SNMP?

. . . . . . . . . . . . . . . . . . . 283

16 Contents

What Are SNMP Traps? . . . . . . . . . . . . . 284

Why Is SNMP Needed?. . . . . . . . . . . . . . 285

Default SNMP Values . . . . . . . . . . . . . . . . . 285

Configuring SNMP (Web)

. . . . . . . . . . . . . . . 287

SNMP Global Parameters

. . . . . . . . . . . . 287

SNMP View Settings

. . . . . . . . . . . . . . . 288

Access Control Group

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

SNMPv3 User Security Model (USM) . . . . . . 292

Communities . . . . . . . . . . . . . . . . . . . 295

Notification Filter

. . . . . . . . . . . . . . . . . 297

Notification Recipients . . . . . . . . . . . . . . 298

Trap Flags . . . . . . . . . . . . . . . . . . . . . 301

OSPFv2 Trap Flags

. . . . . . . . . . . . . . . . 302

OSPFv3 Trap Flags . . . . . . . . . . . . . . . . 303

Trap Log . . . . . . . . . . . . . . . . . . . . . . 304

Configuring SNMP (CLI) . . . . . . . . . . . . . . . . 305

Configuring the SNMPv3 Engine ID

. . . . . . . . 305

Configuring SNMP Views, Groups, and Users . . 306

Configuring Communities

. . . . . . . . . . . . . 309

Configuring SNMP Notifications (Traps and

Informs)

. . . . . . . . . . . . . . . . . . . . . . 311

SNMP Configuration Examples . . . . . . . . . . . . 314

Configuring SNMPv1 and SNMPv2

. . . . . . . . 314

Configuring SNMPv3

. . . . . . . . . . . . . . . 315

13 Managing Images and Files. . . . . . . . . . 319

Image and File Management Overview . . . . . . . . 319

What Files Can Be Managed?

. . . . . . . . . . 319

Why Is File Management Needed?. . . . . . . . 321

Contents 17

What Methods Are Supported for File

Management?

. . . . . . . . . . . . . . . . . . . 323

What Factors Should Be Considered When

Managing Files?

. . . . . . . . . . . . . . . . . . 323

How Is the Running Configuration Saved? . . . . . 325

Managing Images and Files (Web) . . . . . . . . . . . 326

File System

. . . . . . . . . . . . . . . . . . . . . 326

Active Images . . . . . . . . . . . . . . . . . . . 327

USB Flash Drive. . . . . . . . . . . . . . . . . . . 328

File Download

. . . . . . . . . . . . . . . . . . . . 329

File Upload . . . . . . . . . . . . . . . . . . . . . 331

Copy Files . . . . . . . . . . . . . . . . . . . . . . 333

Managing Images and Files (CLI)

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

Downloading and Activating a New Image

(TFTP) . . . . . . . . . . . . . . . . . . . . . . . . 334

Managing Files in Internal Flash . . . . . . . . . . 335

Managing Files on a USB Flash Device . . . . . . 336

Uploading a Configuration File (SCP)

. . . . . . . . 336

Managing Configuration Scripts (SFTP)

. . . . . . 337

File and Image Management Configuration

Examples

. . . . . . . . . . . . . . . . . . . . . . . . . 338

Upgrading the Firmware

. . . . . . . . . . . . . . 338

Managing Configuration Scripts . . . . . . . . . . 341

Managing Files by Using the USB Flash Drive

. . . 343

14 Automatically Updating the Image

and Configuration . . . . . . . . . . . . . . . . . 345

Auto Configuration Overview . . . . . . . . . . . . . . 345

What Is USB Auto Configuration?

. . . . . . . . . 346

What Files Does USB Auto Configuration

Use?

. . . . . . . . . . . . . . . . . . . . . . . . . 346

18 Contents

How Does USB Auto Configuration Use the

Files on the USB Device?

. . . . . . . . . . . . . 348

What Is the Setup File Format? . . . . . . . . . . 349

What Is the DHCP Auto Configuration

Process?

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

Monitoring and Completing the DHCP

Auto Configuration Process

. . . . . . . . . . . 355

What Are the Dependencies for DHCP

Auto Configuration?

. . . . . . . . . . . . . . . . 356

Default Auto Configuration Values

. . . . . . . . . . 357

Managing Auto Configuration (Web) . . . . . . . . . 358

Auto-Install Configuration

. . . . . . . . . . . . 358

Managing Auto Configuration (CLI) . . . . . . . . . . 359

Managing Auto Configuration

. . . . . . . . . . 359

Auto Configuration Example

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

Enabling USB Auto Configuration and Auto

Image Download . . . . . . . . . . . . . . . . . 360

Enabling DHCP Auto Configuration and Auto

Image Download

. . . . . . . . . . . . . . . . . 362

15 Monitoring Switch Traffic . . . . . . . . . . . 363

Traffic Monitoring Overview. . . . . . . . . . . . . . 363

What is sFlow Technology?

. . . . . . . . . . . . 363

What is RMON?

. . . . . . . . . . . . . . . . . . 366

What is Port Mirroring?

. . . . . . . . . . . . . . 367

Why is Traffic Monitoring Needed? . . . . . . . 368

Default Traffic Monitoring Values . . . . . . . . . . . 368

Monitoring Switch Traffic (Web)

. . . . . . . . . . . 369

sFlow Agent Summary

. . . . . . . . . . . . . . 369

Contents 19

sFlow Receiver Configuration . . . . . . . . . . . 370

sFlow Sampler Configuration

. . . . . . . . . . . . 371

sFlow Poll Configuration . . . . . . . . . . . . . . 372

Interface Statistics . . . . . . . . . . . . . . . . . 373

Etherlike Statistics

. . . . . . . . . . . . . . . . . 374

GVRP Statistics . . . . . . . . . . . . . . . . . . . 375

EAP Statistics. . . . . . . . . . . . . . . . . . . . 376

Utilization Summary

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

Counter Summary. . . . . . . . . . . . . . . . . . 378

Switchport Statistics . . . . . . . . . . . . . . . . 379

RMON Statistics

. . . . . . . . . . . . . . . . . . 380

RMON History Control Statistics . . . . . . . . . . 381

RMON History Table . . . . . . . . . . . . . . . . 383

RMON Event Control . . . . . . . . . . . . . . . . 384

RMON Event Log . . . . . . . . . . . . . . . . . . 386

RMON Alarms

. . . . . . . . . . . . . . . . . . . 387

Port Statistics. . . . . . . . . . . . . . . . . . . . 389

LAG Statistics. . . . . . . . . . . . . . . . . . . . 390

Port Mirroring

. . . . . . . . . . . . . . . . . . . . 391

Monitoring Switch Traffic (CLI) . . . . . . . . . . . . . 393

Configuring sFlow

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

Configuring RMON . . . . . . . . . . . . . . . . . 395

Viewing Statistics

. . . . . . . . . . . . . . . . . . 397

Configuring Port Mirroring . . . . . . . . . . . . . 398

Traffic Monitoring Configuration Examples. . . . . . . 399

Configuring sFlow

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

Configuring RMON . . . . . . . . . . . . . . . . . 401

16 Configuring iSCSI Optimization . . . . . . . 403

iSCSI Optimization Overview . . . . . . . . . . . . . . 403

What Does iSCSI Optimization Do?

. . . . . . . . . 404

20 Contents

How Does the Switch Detect iSCSI Traffic

Flows?

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

How Is Quality of Service Applied to iSCSI

Traffic Flows?

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

How Does iSCSI Optimization Use ACLs? . . . . 405

What Information Does the Switch Track in

iSCSI Traffic Flows?

. . . . . . . . . . . . . . . . 405

How Does iSCSI Optimization Interact With

Dell EqualLogic Arrays?

. . . . . . . . . . . . . . 407

What Occurs When iSCSI Optimization Is

Enabled or Disabled?

. . . . . . . . . . . . . . . 407

How Does iSCSI Optimization Interact with

Dell Compellent Arrays?

. . . . . . . . . . . . . 408

Default iSCSI Optimization Values . . . . . . . . . . 409

Configuring iSCSI Optimization (Web)

. . . . . . . . . 410

iSCSI Global Configuration

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

iSCSI Targets Table

. . . . . . . . . . . . . . . . 411

iSCSI Sessions Table

. . . . . . . . . . . . . . . 412

iSCSI Sessions Detailed . . . . . . . . . . . . . 413

Configuring iSCSI Optimization (CLI) . . . . . . . . . 414

iSCSI Optimization Configuration Examples

. . . . . 416

Configuring iSCSI Optimization Between

Servers and a Disk Array . . . . . . . . . . . . . 416

17 Configuring Captive Portal . . . . . . . . . . 419

Captive Portal Overview . . . . . . . . . . . . . . . . 419

What Does Captive Portal Do?

. . . . . . . . . . 419

Is the Captive Portal Feature Dependent

on Any Other Feature?

. . . . . . . . . . . . . . 420

What Factors Should Be Considered When

Designing and Configuring a Captive Portal?

. . . 421

How Does Captive Portal Work? . . . . . . . . . 422

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Dell PowerConnect 7024, PowerConnect 7024F, PowerConnect 7024P, PowerConnect 7048, PowerConnect 7048P, PowerConnect 7048R User guide

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