Dell PowerSwitch N3000 Series User guide

Dell EMC Networking N-Series

N1100-ON, N1500, N2000,

N2100-ON, N2200-ON, N3000-

ON, and N3100-ON Switches

User’s Configuration

Guide

Version 6.6.1

Regulatory Models: E04W, E05W, E06W,

E07W, E15W, E16W, E17W, E18W, E41W

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.

This product is protected by U.S. and international copyright and intellectual property laws. Dell

EMC™ and the Dell EMC logo are trademarks of Dell EMC Inc. in the United States and/or other

jurisdictions. All other marks and names mentioned herein may be trademarks of their respective

companies.

Marketing Models: N1108T-ON, N1108P-ON, N1108EP-ON, N1124T-ON, N1124P-ON, N1148T-ON, N1148P-ON, N1524, N1524P, N1548,

N1548P, N2024, N2024P, N2048, N2048P, N2128PX-ON, N2224X-ON, N2224PX-ON, N2248X-ON, N2248PX-ON, N3132PX-ON

Regulatory Models: E04W, E05W, E06W, E07W, E15W, E16W, E17W, E18W, E41W

2019 - 09 Rev. A08

Contents 3

Contents

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . 53

About This Document . . . . . . . . . . . . . . . . . . 53

Audience

. . . . . . . . . . . . . . . . . . . . . . . . . 54

Document Conventions

. . . . . . . . . . . . . . . . . 54

Additional Documentation

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

2 Switch Feature Overview . . . . . . . . . . . . 57

System Management Features . . . . . . . . . . . . . 58

Multiple Management Options

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

System Time Management

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

Log Messages

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

System Reset

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

Integrated DHCP Server

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

Management of Basic Network Information

. . . . 60

IPv6 Management Features

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

Dual Software Images

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

File Management

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

Switch Database Management Templates

. . . . 61

Automatic Installation of Firmware and Configuration

61

sFlow

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

SNMP Alarms and Trap Logs

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

CDP Interoperability Through ISDP

. . . . . . . . 63

Remote Monitoring (RMON)

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

Stacking Features

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

Mixed and Single Series Stacking

. . . . . . . . . 63

4 Contents

Single IP Management . . . . . . . . . . . . . . . 64

Master Failover with Transparent Transition

. . . . 65

Nonstop Forwarding on the Stack

. . . . . . . . . 65

Hot Add/Delete and Firmware Synchronization

. . 65

Security Features

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

Configurable Access and Authentication Profiles

. 66

Password-Protected Management Access

. . . . 66

Strong Password Enforcement

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

TACACS+ Client

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

RADIUS Support

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

SSH/SSL

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

Inbound Telnet Control

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

Denial of Service

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

Port Protection

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

Captive Portal

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

802.1X Authentication (IEEE 802.1X)

. . . . . . . . 69

MAC-Based 802.1X Authentication

. . . . . . . . . 70

802.1X Monitor Mode

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

Port Security

. . . . . . . . . . . . . . . . . . . . 71

Access Control Lists (ACLs)

. . . . . . . . . . . . 71

Time-Based ACLs

. . . . . . . . . . . . . . . . . . 71

IP Source Guard (IPSG)

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

DHCP Snooping

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

Dynamic ARP Inspection

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

Protected Ports (Private VLAN Edge)

. . . . . . . . 72

Green Technology Features

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

Energy Detect Mode

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

Energy Efficient Ethernet

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

Power Utilization Reporting

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

Power over Ethernet (PoE) Features

. . . . . . . . . . . 75

PD Detection

. . . . . . . . . . . . . . . . . . . . 75

Contents 5

Legacy (Reduced Capacitor) Detection . . . . . . 75

Classification

. . . . . . . . . . . . . . . . . . . . 75

Port Start Up

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

Overload Detection and Port Shutdown

. . . . . . 76

Disconnect Detection

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

IC Thermal Monitoring

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

Over-Temperature Protection

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

4-Pair Ports

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

IEEE 802.3bt Capability

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

PoE Port Capabilities and Power Limits

. . . . . . 78

Key PoE Plus Features

. . . . . . . . . . . . . . . 80

Power Over Ethernet (PoE) Support

. . . . . . . . 81

PoE Plus Support

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

PoE 60W Support

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

Powered Device Detection

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

PoE Power Management Modes

. . . . . . . . . . 82

Power Management in Guard Band

. . . . . . . . 84

PoE Plus Default Settings

. . . . . . . . . . . . . . 86

Switching Features

. . . . . . . . . . . . . . . . . . . 87

Flow Control Support (IEEE 802.3x)

. . . . . . . . . 87

Head of Line Blocking Prevention

. . . . . . . . . 87

Jumbo Frames Support

. . . . . . . . . . . . . . . 87

Auto-MDI/MDIX Support

. . . . . . . . . . . . . . 87

VLAN-Aware MAC-based Switching

. . . . . . . . 87

Back Pressure Support

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

Auto-negotiation

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

Storm Control

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

Port Mirroring

. . . . . . . . . . . . . . . . . . . . 89

Static and Dynamic MAC Address Tables

. . . . . 89

Link Layer Discovery Protocol (LLDP)

. . . . . . . 89

Link Layer Discovery Protocol (LLDP) for Media

Endpoint Devices

. . . . . . . . . . . . . . . . . . 90

6 Contents

Connectivity Fault Management (IEEE 802.1ag) . . 91

Cisco Protocol Filtering

. . . . . . . . . . . . . . . 91

DHCP Layer-2 Relay

. . . . . . . . . . . . . . . . . 91

Virtual Local Area Network Supported Features

. . . . 92

VLAN Support

. . . . . . . . . . . . . . . . . . . . 92

Port-Based VLANs

. . . . . . . . . . . . . . . . . 92

IP Subnet-based VLAN

. . . . . . . . . . . . . . . 92

MAC-based VLAN

. . . . . . . . . . . . . . . . . . 92

IEEE 802.1v Protocol-Based VLANs

. . . . . . . . . 92

Voice VLAN

. . . . . . . . . . . . . . . . . . . . . 93

GARP and GVRP Support

. . . . . . . . . . . . . . 93

Guest VLAN

. . . . . . . . . . . . . . . . . . . . . 93

Unauthorized VLAN

. . . . . . . . . . . . . . . . . 93

Double VLANs

. . . . . . . . . . . . . . . . . . . . 93

Spanning Tree Protocol Features

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

Spanning Tree Protocol (STP)

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

Spanning Tree Port Settings

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

Rapid Spanning Tree

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

Multiple Spanning Tree

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

Bridge Protocol Data Unit (BPDU) Guard

. . . . . . 96

BPDU Filtering

. . . . . . . . . . . . . . . . . . . . 96

RSTP-PV and STP-PV

. . . . . . . . . . . . . . . . 96

Link Aggregation Features

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

Link Aggregation

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

Link Aggregate Control Protocol (LACP)

. . . . . . 98

Multi-Switch LAG (MLAG)

. . . . . . . . . . . . . 98

Routing Features

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

Address Resolution Protocol (ARP) Table

Management

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

VLAN Routing

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

IP Configuration

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

Contents 7

Open Shortest Path First (OSPF) . . . . . . . . . . 100

Border Gateway Protocol (BGP)

. . . . . . . . . . 100

Virtual Routing and Forwarding (VRF)

. . . . . . . 100

BOOTP/DHCP Relay Agent

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

IP Helper and DHCP Relay

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

Routing Information Protocol

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

Router Discovery

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

Routing Table

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

Virtual Router Redundancy Protocol (VRRP)

. . . . 102

Tunnel and Loopback Interfaces

. . . . . . . . . . 102

IPv6 Routing Features

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

IPv6 Configuration

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

IPv6 Routes

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

OSPFv3

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

DHCPv6

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

Quality of Service (QoS) Features

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

Differentiated Services (DiffServ)

. . . . . . . . . 104

Class Of Service (CoS)

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

Auto Voice over IP (VoIP)

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

Internet Small Computer System Interface (iSCSI)

Optimization

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

Layer-2 Multicast Features

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

MAC Multicast Support

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

IGMP Snooping

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

IGMP Snooping Querier

. . . . . . . . . . . . . . 106

MLD Snooping

. . . . . . . . . . . . . . . . . . . 106

Multicast VLAN Registration

. . . . . . . . . . . . 106

Layer-3 Multicast Features

. . . . . . . . . . . . . . . 107

Distance Vector Multicast Routing Protocol

. . . . 107

Internet Group Management Protocol

. . . . . . . 107

IGMP Proxy

. . . . . . . . . . . . . . . . . . . . . 107

8 Contents

Protocol Independent Multicast—Dense Mode . . 107

Protocol Independent Multicast—Sparse Mode

. 108

Protocol Independent Multicast—Source Specific

Multicast

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

Protocol Independent Multicast IPv6 Support

. . . 108

MLD/MLDv2 (RFC2710/RFC3810)

. . . . . . . . . . 108

3 Hardware Overview . . . . . . . . . . . . . . . . 109

Dell EMC Networking N1100-ON Series Switch Hardware 109

N1100-ON Series Front Panel

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

N1100-ON Series Power Supply

. . . . . . . . . . 112

N1100-ON Series Ventilation System

. . . . . . . . 112

N1100-ON Series Thermal Shutdown

. . . . . . . . 112

N1100-ON Series LED Definitions

. . . . . . . . . . 112

Power Consumption for N1100-ON Series PoE Switches

116

N1100-ON Series Wall Installation

. . . . . . . . . 117

Dell EMC Networking N1500 Series Switch Hardware

. 119

N1500 Series Front Panel

. . . . . . . . . . . . . . 119

N1500 Series Back Panel

. . . . . . . . . . . . . . 122

N1500 Series LED Definitions

. . . . . . . . . . . . 124

Power Consumption for N1500 Series PoE Switches

126

Dell EMC Networking N2000 Series Switch Hardware

. 127

N2000 Series Front Panel

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

N2000 Series Back Panel

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

N2000 Series LED Definitions

. . . . . . . . . . . . 133

Power Consumption for N2000 Series PoE Switches

136

Dell EMC Networking N2100-ON Series Switch Hardware

138

N2100-ON Series Front Panel

. . . . . . . . . . . . 138

N2100-ON Series Back Panel

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

N2100-ON Series LED Definitions

. . . . . . . . . . 140

Contents 9

Power Consumption for N2100-ON Series PoE Switches 144

Dell EMC Networking N2200-ON Series Switch Hardware

147

N2200-ON Series Front Panel

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

N2200-ON Series Rear Panel

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

N2200X-ON Series Switch Ports

. . . . . . . . . . 148

N2200-ON Series Console Port

. . . . . . . . . . . 149

N2200-ON Series USB Port

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

N2200-ON Series Reset Button

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

N2200-ON Series Port and System LEDs

. . . . . . 150

N2200-ON Series Stack Master LED and Stack

Number Display

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

N2200-ON Series Power Supplies

. . . . . . . . . 150

N2200-ON Series LED Definitions

. . . . . . . . . 152

Dell EMC Networking N3100-ON Series Switch Hardware

157

N3100-ON Series Front Panel

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

N3100-ON Series Back Panel

. . . . . . . . . . . 159

N3100-ON Series LED Definitions

. . . . . . . . . 159

Power Consumption for N3100-ON Series PoE Switches

164

Switch MAC Addresses

. . . . . . . . . . . . . . . . . 167

4 Using Dell EMC OpenManage Switch

Administrator

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

About Dell EMC OpenManage Switch Administrator . 169

Starting the Application

. . . . . . . . . . . . . . . . . 170

Understanding the Interface

. . . . . . . . . . . . . . . 171

Using the Switch Administrator Buttons and Links

. . . 173

Defining Fields

. . . . . . . . . . . . . . . . . . . . . . 174

10 Contents

Understanding the Device View . . . . . . . . . . . . . 174

Using the Device View Port Features

. . . . . . . . 174

Using the Device View Switch Locator Feature

. . 175

5 Using the Command-Line Interface . . . . 177

Accessing the Switch Through the CLI . . . . . . . . . 177

Console Connection

. . . . . . . . . . . . . . . . . 177

Telnet Connection

. . . . . . . . . . . . . . . . . . 178

Understanding Command Modes

. . . . . . . . . . . . 179

Entering CLI Commands

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

Using the Question Mark to Get Help

. . . . . . . . 181

Using Command Completion

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

Entering Abbreviated Commands

. . . . . . . . . . 182

Negating Commands

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

Command Output Paging

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

Understanding Error Messages

. . . . . . . . . . 183

Recalling Commands from the History Buffer

. . . 183

6 Default Settings . . . . . . . . . . . . . . . . . . . 185

7 Setting the IP Address and Other Basic Network

Information

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

IP Address and Network Information Overview . . . . 189

What Is the Basic Network Information?

. . . . . . 189

Why Is Basic Network Information Needed?

. . . 190

How Is Basic Network Information Configured?

. . 191

What Is Out-of-Band Management and In-Band

Management?

. . . . . . . . . . . . . . . . . . . . 191

Contents 11

Default Network Information . . . . . . . . . . . . . . 194

Configuring Basic Network Information (Web)

. . . . . 195

Out-of-Band Interface

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

IP Interface Configuration (Default VLAN IP Address)

196

Route Entry Configuration (Switch Default Gateway)

198

Domain Name Server

. . . . . . . . . . . . . . . . 200

Default Domain Name

. . . . . . . . . . . . . . . 201

Host Name Mapping

. . . . . . . . . . . . . . . . 202

Dynamic Host Name Mapping

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

Configuring Basic Network Information (CLI)

. . . . . . 204

Enabling the DHCP Client on the OOB Port

. . . . . 204

Enabling the DHCP Client on the Default VLAN

. . 204

Managing DHCP Leases

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

Configuring Static Network Information on the

OOB Port . . . . . . . . . . . . . . . . . . . . . . 206

Configuring Static Network Information on the

Default VLAN . . . . . . . . . . . . . . . . . . . . 207

Configuring and Viewing Additional Network

Information

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

Basic Network Information Configuration Examples

. . 210

Configuring Network Information Using the OOB

Port

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

Configuring Network Information Using the Serial

Interface

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

8 Stacking. . . . . . . . . . . . . . . . . . . . . . . . . 215

Stacking Overview. . . . . . . . . . . . . . . . . . . . 215

Dell EMC Networking Stacking Compatibility

. . . 219

How is the Stack Master Selected?

. . . . . . . . 220

Adding a Switch to the Stack

. . . . . . . . . . . . 221

12 Contents

Removing a Switch from the Stack . . . . . . . . . 222

How is the Firmware Updated on the Stack?

. . . . 223

What is Stacking Standby?

. . . . . . . . . . . . . 223

What is Nonstop Forwarding?

. . . . . . . . . . . 224

Switch Stack MAC Addressing and Stack Design

Considerations

. . . . . . . . . . . . . . . . . . . 227

NSF Network Design Considerations

. . . . . . . . 227

Why is Stacking Needed?

. . . . . . . . . . . . . 228

Default Stacking Values

. . . . . . . . . . . . . . . . . 228

Managing and Monitoring the Stack (Web)

. . . . . . . 230

Unit Configuration

. . . . . . . . . . . . . . . . . . 230

Stack Summary

. . . . . . . . . . . . . . . . . . . 231

Stack Firmware Synchronization

. . . . . . . . . . 232

Supported Switches

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

Stack Port Summary

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

Stack Port Counters

. . . . . . . . . . . . . . . . . 235

Stack Port Diagnostics

. . . . . . . . . . . . . . . 235

NSF Summary

. . . . . . . . . . . . . . . . . . . . 236

Checkpoint Statistics

. . . . . . . . . . . . . . . . 237

Managing the Stack (CLI)

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

Configuring Stack Member, Stack Port, SFS and

NSF Settings

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

Viewing and Clearing Stacking and NSF Information

240

Connecting to the Management Console from a

Stack Member

. . . . . . . . . . . . . . . . . . . 241

Stacking and NSF Usage Scenarios

. . . . . . . . . . . 241

Basic Failover

. . . . . . . . . . . . . . . . . . . . 241

Preconfiguring a Stack Member

. . . . . . . . . . 243

NSF in the Data Center

. . . . . . . . . . . . . . . 245

NSF and VoIP

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

NSF and DHCP Snooping

. . . . . . . . . . . . . . 247

Contents 13

NSF and the Storage Access Network. . . . . . . 248

NSF and Routed Access

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

9 Authentication, Authorization, and

Accounting

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

AAA Introduction . . . . . . . . . . . . . . . . . . . . 253

Methods

. . . . . . . . . . . . . . . . . . . . . . 254

Method Lists

. . . . . . . . . . . . . . . . . . . . 255

Access Lines

. . . . . . . . . . . . . . . . . . . . 256

Enabling SSH Access

. . . . . . . . . . . . . . . . 257

Access Lines (AAA)

. . . . . . . . . . . . . . . . 257

Access Lines (Non-AAA)

. . . . . . . . . . . . . . 258

Authentication

. . . . . . . . . . . . . . . . . . . . . . 259

Authentication Access Types

. . . . . . . . . . . 259

Authentication Manager

. . . . . . . . . . . . . . 260

Using RADIUS

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

Using TACACS+

. . . . . . . . . . . . . . . . . . 274

Dynamic ACL Overview

. . . . . . . . . . . . . . . 276

Authentication Examples

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

Public Key SSH Authentication Example

. . . . . . 291

Associating a User With an SSH Key

. . . . . . . 300

Authorization

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

Exec Authorization Capabilities

. . . . . . . . . . 302

Authorization Examples

. . . . . . . . . . . . . . . 304

RADIUS Change of Authorization

. . . . . . . . . . 306

TACACS Authorization

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

Accounting

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

RADIUS Accounting

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

IEEE 802.1X

. . . . . . . . . . . . . . . . . . . . . . . . 318

14 Contents

What is IEEE 802.1X? . . . . . . . . . . . . . . . . 318

What are the 802.1X Port Authentication Modes?

. 319

What are Authentication Host Modes

. . . . . . . 320

What is MAC Authentication Bypass?

. . . . . . . 321

What is the Role of 802.1X in VLAN Assignment?

. 323

What is Monitor Mode?

. . . . . . . . . . . . . . . 327

How Does the Authentication Server Assign

DiffServ Policy or ACLs?

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

What is the Internal Authentication Server?

. . . . 329

Default 802.1X Values

. . . . . . . . . . . . . . . . 330

Configuring IEEE 802.1X (Web)

. . . . . . . . . . . 331

Captive Portal

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

Captive Portal Overview

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

Default Captive Portal Behavior and Settings

. . . 363

Configuring Captive Portal (Web)

. . . . . . . . . . 365

Configuring Captive Portal (CLI)

. . . . . . . . . . 381

Captive Portal Configuration Example

. . . . . . . 387

In Case Of Problems in Captive Portal Deployment

391

10 Monitoring and Logging System Information 393

System Monitoring Overview . . . . . . . . . . . . . . 393

What System Information Is Monitored?

. . . . . . 393

Why Is System Information Needed?

. . . . . . . . 394

Where Are Log Messages Sent?

. . . . . . . . . . 394

What Are the Severity Levels?

. . . . . . . . . . . 395

What Are the System Startup and Operation Logs?

395

What Is the Log Message Format?

. . . . . . . . . 396

What Factors Should Be Considered When

Configuring Logging?

. . . . . . . . . . . . . . . . 398

Default Log Settings

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

Contents 15

Monitoring System Information and Configuring Logging (Web) 400

Device Information

. . . . . . . . . . . . . . . . . 400

System Health

. . . . . . . . . . . . . . . . . . . 402

System Resources

. . . . . . . . . . . . . . . . . 403

Unit Power Usage History

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

Integrated Cable Test for Copper Cables

. . . . . . 405

Optical Transceiver Diagnostics

. . . . . . . . . . 406

Log Global Settings

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

RAM Log

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

Log File

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

SYSLOG Server

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

Email Alert Global Configuration

. . . . . . . . . . 413

Email Alert Mail Server Configuration

. . . . . . . 413

Email Alert Subject Configuration

. . . . . . . . . 415

Email Alert To Address Configuration

. . . . . . . 416

Email Alert Statistics

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

Monitoring System Information and Configuring Logging (CLI)

418

Viewing System Information and Enabling the

Locator LED

. . . . . . . . . . . . . . . . . . . . . 418

Running Cable Diagnostics

. . . . . . . . . . . . . 418

Configuring Local Logging

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

Configuring Remote Logging

. . . . . . . . . . . . 421

Configuring Mail Server Settings

. . . . . . . . . . 422

Configuring Email Alerts for Log Messages

. . . . 423

Logging Configuration Examples

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

Configuring Local and Remote Logging

. . . . . . 425

Configuring Email Alerting

. . . . . . . . . . . . . 428

11 Managing General System Settings . . . 431

System Settings Overview. . . . . . . . . . . . . . . . 431

Why Does System Information Need to Be Configured?

432

16 Contents

What Are SDM Templates?. . . . . . . . . . . . . 433

Why is the System Time Needed?

. . . . . . . . . 436

How Does SNTP Work?

. . . . . . . . . . . . . . . 436

What Configuration Is Required for Plug-In Modules?

437

Default General System Information

. . . . . . . . . . 437

Configuring General System Settings (Web)

. . . . . . 438

System Information

. . . . . . . . . . . . . . . . . 438

CLI Banner

. . . . . . . . . . . . . . . . . . . . . 441

SDM Template Preference

. . . . . . . . . . . . . 442

Clock

. . . . . . . . . . . . . . . . . . . . . . . . 443

SNTP Global Settings

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

SNTP Authentication

. . . . . . . . . . . . . . . . 445

SNTP Server

. . . . . . . . . . . . . . . . . . . . 447

Summer Time Configuration

. . . . . . . . . . . . 450

Time Zone Configuration

. . . . . . . . . . . . . . 451

Card Configuration

. . . . . . . . . . . . . . . . . 452

Slot Summary

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

Supported Cards

. . . . . . . . . . . . . . . . . . 454

Power Over Ethernet Global Configuration

. . . . . 455

Power Over Ethernet Unit Configuration

. . . . . . 456

Power Over Ethernet Interface Configuration

. . . 457

Configuring System Settings (CLI)

. . . . . . . . . . . . 459

Configuring System Information

. . . . . . . . . . 459

Configuring the Banner

. . . . . . . . . . . . . . . 460

Managing the SDM Template

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

Configuring SNTP Authentication and an SNTP Server

461

Setting the System Time and Date Manually

. . . . 463

Configuring the Expansion Slots

. . . . . . . . . . 464

Viewing Slot Information

. . . . . . . . . . . . . . 465

Configuring PoE Settings

. . . . . . . . . . . . . . 465

General System Settings Configuration Examples

. . . 467

Configuring System and Banner Information

. . . . 467

Contents 17

Configuring SNTP. . . . . . . . . . . . . . . . . . 470

Configuring the Time Manually

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

12 SNMP. . . . . . . . . . . . . . . . . . . . . . . . . . . 473

SNMP Overview . . . . . . . . . . . . . . . . . . . . . 473

What Is SNMP?

. . . . . . . . . . . . . . . . . . . 473

What Are SNMP Traps?

. . . . . . . . . . . . . . 474

Why Is SNMP Needed?

. . . . . . . . . . . . . . 475

Default SNMP Values

. . . . . . . . . . . . . . . . . . 475

Configuring SNMP (Web)

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

SNMP Global Parameters

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

SNMP View Settings

. . . . . . . . . . . . . . . . 478

Access Control Group

. . . . . . . . . . . . . . . 480

SNMPv3 User Security Model (USM)

. . . . . . . 482

Communities

. . . . . . . . . . . . . . . . . . . . 485

Notification Filter

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

Notification Recipients

. . . . . . . . . . . . . . . 488

Trap Flags

. . . . . . . . . . . . . . . . . . . . . . 490

OSPFv2 Trap Flags

. . . . . . . . . . . . . . . . . 491

OSPFv3 Trap Flags

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

Trap Log

. . . . . . . . . . . . . . . . . . . . . . . 493

Configuring SNMP (CLI)

. . . . . . . . . . . . . . . . . 495

Configuring the SNMPv3 Engine ID

. . . . . . . . 495

Configuring SNMP Views, Groups, and Users

. . . 496

Configuring Communities

. . . . . . . . . . . . . . 499

Configuring SNMP Notifications (Traps and Informs)

501

SNMP Configuration Examples

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

Configuring SNMPv1 and SNMPv2

. . . . . . . . . 504

Configuring SNMP Management Station Access

. 505

Configuring SNMPv3

. . . . . . . . . . . . . . . . 506

18 Contents

13 Images and File Management . . . . . . . . 511

Image and File Management Overview . . . . . . . . . 511

What Files Can Be Managed?

. . . . . . . . . . . 511

Why Is File Management Needed?

. . . . . . . . . 513

What Methods Are Supported for File Management?

516

What Factors Should Be Considered When

Managing Files?

. . . . . . . . . . . . . . . . . . . 517

How Is the Running Configuration Saved?

. . . . . 520

Managing Images and Files (Web)

. . . . . . . . . . . 521

File System

. . . . . . . . . . . . . . . . . . . . . 521

Active Images

. . . . . . . . . . . . . . . . . . . . 522

USB Flash Drive

. . . . . . . . . . . . . . . . . . . 523

File Download

. . . . . . . . . . . . . . . . . . . . 524

File Upload

. . . . . . . . . . . . . . . . . . . . . 526

Copy Files

. . . . . . . . . . . . . . . . . . . . . . 528

Managing Images and Files (CLI)

. . . . . . . . . . . . 529

Downloading and Activating a New Image (TFTP)

. 530

Managing Files in Internal Flash

. . . . . . . . . . 531

Managing Files on a USB Flash Device

. . . . . . 532

Uploading a Configuration File (SCP)

. . . . . . . . 533

Managing Configuration Scripts (SFTP)

. . . . . . 534

SCP Server

. . . . . . . . . . . . . . . . . . . . . 535

File and Image Management Configuration Examples

. 536

Upgrading the Firmware

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

Managing Configuration Scripts

. . . . . . . . . . 539

Managing Files by Using the USB Flash Drive

. . . 541

14 DHCP and USB Auto-Configuration . . . . 543

Auto Configuration Overview . . . . . . . . . . . . . . 543

What Is USB Auto Configuration?

. . . . . . . . . 544

Contents 19

What Files Does USB Auto Configuration Use? . . 544

How Does USB Auto Configuration Use the

Files on the USB Device?

. . . . . . . . . . . . . . 545

What Is the Setup File Format?

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

What Is the DHCP Auto Configuration Process?

. . 547

Monitoring and Completing the DHCP Auto

Configuration Process

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

What Are the Dependencies for DHCP Auto

Configuration?

. . . . . . . . . . . . . . . . . . . 554

Default Auto Configuration Values

. . . . . . . . . . . 556

Managing Auto Configuration (Web)

. . . . . . . . . . 557

Auto-Install Configuration

. . . . . . . . . . . . . 557

Managing Auto Configuration (CLI)

. . . . . . . . . . . 558

Managing Auto Configuration

. . . . . . . . . . . 558

Auto Configuration Example

. . . . . . . . . . . . . . . 559

Enabling USB Auto Configuration and Auto Image

Download

. . . . . . . . . . . . . . . . . . . . . . 559

Enabling DHCP Auto Configuration and Auto Image

Download

. . . . . . . . . . . . . . . . . . . . . . 560

Easy Firmware Upgrade/Downgrade via USB

. . . 562

15 Monitoring Switch Traffic . . . . . . . . . . . 563

Traffic Monitoring Overview . . . . . . . . . . . . . . 563

What is sFlow Technology?

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

What is RMON?

. . . . . . . . . . . . . . . . . . . 566

What is Port Mirroring?

. . . . . . . . . . . . . . . 567

Port Mirroring Behaviors

. . . . . . . . . . . . . . 569

RSPAN

. . . . . . . . . . . . . . . . . . . . . . . 571

Remote Capture

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

20 Contents

Why is Traffic Monitoring Needed? . . . . . . . . 573

Default Traffic Monitoring Values

. . . . . . . . . . . . 573

Monitoring Switch Traffic (Web)

. . . . . . . . . . . . 574

sFlow Agent Summary

. . . . . . . . . . . . . . . 574

sFlow Receiver Configuration

. . . . . . . . . . . 575

sFlow Sampler Configuration

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

sFlow Poll Configuration

. . . . . . . . . . . . . . 577

Interface Statistics

. . . . . . . . . . . . . . . . . 578

Etherlike Statistics

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

GVRP Statistics

. . . . . . . . . . . . . . . . . . . 580

EAP Statistics

. . . . . . . . . . . . . . . . . . . . 581

Utilization Summary

. . . . . . . . . . . . . . . . . 582

Counter Summary

. . . . . . . . . . . . . . . . . . 583

Switchport Statistics

. . . . . . . . . . . . . . . . 584

RMON Statistics

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

RMON History Control Statistics

. . . . . . . . . . 585

RMON History Table

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

RMON Event Control

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

RMON Event Log

. . . . . . . . . . . . . . . . . . 591

RMON Alarms

. . . . . . . . . . . . . . . . . . . . 592

Port Statistics

. . . . . . . . . . . . . . . . . . . . 594

LAG Statistics

. . . . . . . . . . . . . . . . . . . . 595

Port Mirroring

. . . . . . . . . . . . . . . . . . . . 596

Monitoring Switch Traffic (CLI)

. . . . . . . . . . . . . 598

Configuring sFlow

. . . . . . . . . . . . . . . . . . 598

Configuring RMON

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

Viewing Statistics

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

Configuring Port Mirroring

. . . . . . . . . . . . . 603

Configuring RSPAN

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

Traffic Monitoring Examples

. . . . . . . . . . . . . . 608

Showing Interface Traffic

. . . . . . . . . . . . . . 608

Configuring sFlow

. . . . . . . . . . . . . . . . . . 609

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Dell PowerSwitch N3000 Series User guide

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