Dell EMC PowerSwitch N3000E-ON Series User guide

Dell EMC Networking N-Series

N1100-ON, N1500, N2000,

N2100-ON, N3000, N3100-ON,

and N4000 Switches

User’s Configuration

Guide

Version 6.5.1.x - N2000/N2100-ON/N3000/N3100-ON/

N4000 Series Switches

Version 6.4.x.x - N1100-ON Series Switches

Regulatory Models: E04W, E05W, E06W,

E07W, E15W, E16W, E17W, E18W,

PowerConnect 8132, PowerConnect 8132F,

PowerConnect 8164, PowerConnect 8164F

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.

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, N1124T-ON, N1124P-ON, N1148T-ON, N1148P-ON, N1524, N1524P, N1548, N1548P, N2024,

N2024P, N2048, N2048P, N2128PX-ON, N3024, N3024F, N3024P, N3048, N3048P, N3048EP-ON, N3132PX-ON, N4032, N4032F, N4064,

N4064F

Regulatory Models: E04W, E05W, E06W, E07W, E15W, E16W, E17W, E18W, PowerConnect 8132, PowerConnect 8132F,

PowerConnect 8164, PowerConnect 8164F

February 2018 Rev. A05

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

Integrated DHCP Server

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

Management of Basic Network Information

. . . . 59

IPv6 Management Features

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

Dual Software Images

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

File Management

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

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

N3000 Series Advanced and Advanced-Lite

Firmware Images

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

4 Contents

Stacking Features . . . . . . . . . . . . . . . . . . . . 66

Mixed and Single Series Stacking

. . . . . . . . . 66

Single IP Management

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

Master Failover with Transparent Transition

. . . . 67

Nonstop Forwarding on the Stack

. . . . . . . . . 68

Hot Add/Delete and Firmware

Synchronization

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

Security Features

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

Configurable Access and Authentication

Profiles

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

Password-Protected Management Access

. . . . 69

Strong Password Enforcement

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

TACACS+ Client

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

RADIUS Support

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

SSH/SSL

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

Inbound Telnet Control

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

Denial of Service

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

Port Protection

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

Captive Portal

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

802.1X Authentication (IEEE 802.1X)

. . . . . . . . 72

MAC-Based 802.1X Authentication

. . . . . . . . . 73

802.1X Monitor Mode

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

MAC-Based Port Security

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

Access Control Lists (ACLs)

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

Time-Based ACLs

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

IP Source Guard (IPSG)

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

DHCP Snooping

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

Dynamic ARP Inspection

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

Protected Ports (Private VLAN Edge)

. . . . . . . . 75

Green Technology Features

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

Energy Detect Mode

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

Energy Efficient Ethernet

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

Contents 5

Power Utilization Reporting . . . . . . . . . . . . 76

Power over Ethernet (PoE) Plus Features

. . . . . . . . 77

Key PoE Plus Features for the Dell EMC

Networking N1108P-ON, N1124P-ON, N1148P-ON,

N2024P, N2048P, N2128PX-ON, N3024P, N3048P,

and N3132PX-ON Switches

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

Power Over Ethernet (PoE) Plus

Configuration

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

PoE Plus Support

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

PoE 60W Support

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

Powered Device Detection

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

PoE Power Management Modes

. . . . . . . . . . 79

Power Management in Guard Band

. . . . . . . . 81

PoE Plus Default Settings

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

Switching Features

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

Flow Control Support (IEEE 802.3x)

. . . . . . . . . 84

Head of Line Blocking Prevention

. . . . . . . . . 84

Alternate Store and Forward (ASF)

. . . . . . . . . 84

Jumbo Frames Support

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

Auto-MDI/MDIX Support

. . . . . . . . . . . . . . 85

VLAN-Aware MAC-based Switching

. . . . . . . . 85

Back Pressure Support

. . . . . . . . . . . . . . . 85

Auto-negotiation

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

Storm Control

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

Port Mirroring

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

Static and Dynamic MAC Address Tables

. . . . . 87

Link Layer Discovery Protocol (LLDP)

. . . . . . . 87

Link Layer Discovery Protocol (LLDP) for Media

Endpoint Devices

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

Connectivity Fault Management (IEEE 802.1ag)

. . 88

Priority-based Flow Control (PFC)

. . . . . . . . . 88

6 Contents

Data Center Bridging Exchange (DBCx)

Protocol

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

Enhanced Transmission Selection

. . . . . . . . . 89

Cisco Protocol Filtering

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

DHCP Layer-2 Relay

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

Virtual Local Area Network Supported Features

. . . . 91

VLAN Support

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

Port-Based VLANs

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

IP Subnet-based VLAN

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

MAC-based VLAN

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

IEEE 802.1v Protocol-Based VLANs

. . . . . . . . . 91

Voice VLAN

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

GARP and GVRP Support

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

Guest VLAN

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

Unauthorized VLAN

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

Double VLANs

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

Spanning Tree Protocol Features

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

Spanning Tree Protocol (STP)

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

Spanning Tree Port Settings

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

Rapid Spanning Tree

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

Multiple Spanning Tree

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

Bridge Protocol Data Unit (BPDU) Guard

. . . . . . 95

BPDU Filtering

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

RSTP-PV and STP-PV

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

Link Aggregation Features

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

Link Aggregation

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

Link Aggregate Control Protocol (LACP)

. . . . . . 97

Multi-Switch LAG (MLAG)

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

Routing Features

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

Address Resolution Protocol (ARP) Table

Management

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

Contents 7

VLAN Routing . . . . . . . . . . . . . . . . . . . . 98

IP Configuration

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

Open Shortest Path First (OSPF)

. . . . . . . . . . 99

Border Gateway Protocol (BGP)

. . . . . . . . . . 99

Virtual Routing and Forwarding (VRF)

. . . . . . . 99

BOOTP/DHCP Relay Agent

. . . . . . . . . . . . . 100

IP Helper and DHCP Relay

. . . . . . . . . . . . . 100

Routing Information Protocol

. . . . . . . . . . . . 100

Router Discovery

. . . . . . . . . . . . . . . . . . 100

Routing Table

. . . . . . . . . . . . . . . . . . . . 100

Virtual Router Redundancy Protocol (VRRP)

. . . . 101

Tunnel and Loopback Interfaces

. . . . . . . . . . 101

IPv6 Routing Features

. . . . . . . . . . . . . . . . . . 102

IPv6 Configuration

. . . . . . . . . . . . . . . . . 102

IPv6 Routes

. . . . . . . . . . . . . . . . . . . . . 102

OSPFv3

. . . . . . . . . . . . . . . . . . . . . . . 102

DHCPv6

. . . . . . . . . . . . . . . . . . . . . . . 102

Quality of Service (QoS) Features

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

Differentiated Services (DiffServ)

. . . . . . . . . 103

Class Of Service (CoS)

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

Auto Voice over IP (VoIP)

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

Internet Small Computer System Interface

(iSCSI) Optimization

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

Layer-2 Multicast Features

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

MAC Multicast Support

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

IGMP Snooping

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

IGMP Snooping Querier

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

MLD Snooping

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

Multicast VLAN Registration

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

Layer-3 Multicast Features

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

Distance Vector Multicast Routing Protocol

. . . . 106

8 Contents

Internet Group Management Protocol . . . . . . . 106

IGMP Proxy

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

Protocol Independent Multicast—Dense

Mode

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

Protocol Independent Multicast—Sparse

Mode

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

Protocol Independent Multicast—Source

Specific Multicast

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

Protocol Independent Multicast IPv6

Support

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

MLD/MLDv2 (RFC2710/RFC3810)

. . . . . . . . . . 107

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

Dell EMC Networking N1100-ON Series Switch

Hardware

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

Front Panel

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

Power Supply

. . . . . . . . . . . . . . . . . . . . 112

Ventilation System

. . . . . . . . . . . . . . . . . 112

Thermal Shutdown

. . . . . . . . . . . . . . . . . 112

LED Definitions

. . . . . . . . . . . . . . . . . . . 112

Power Consumption for PoE Switches

. . . . . . . 116

Wall Installation

. . . . . . . . . . . . . . . . . . . 117

Dell EMC Networking N1500 Series Switch Hardware

. 119

Front Panel

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

Back Panel

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

LED Definitions

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

Power Consumption for PoE Switches

. . . . . . . 126

Dell EMC Networking N2000 Series Switch Hardware

. 128

Front Panel

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

Back Panel

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

Contents 9

LED Definitions . . . . . . . . . . . . . . . . . . . 133

Power Consumption for PoE Switches

. . . . . . . 136

Dell EMC Networking N2100-ON Series Switch

Hardware

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

Front Panel

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

Back Panel

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

LED Definitions

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

Power Consumption for PoE Switches

. . . . . . . 144

Dell EMC Networking N3000 Series Switch Hardware

147

Front Panel

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

Back Panel

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

LED Definitions

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

Power Consumption for PoE Switches

. . . . . . . 159

Dell EMC Networking N3100-ON Series Switch

Hardware

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

Front Panel

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

Back Panel

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

LED Definitions

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

Power Consumption for PoE Switches

. . . . . . . 168

PoE Power Budget Limit

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

Dell EMC Networking N4000 Series Switch Hardware

171

Front Panel

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

Back Panel

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

LED Definitions

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

Switch MAC Addresses

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

10 Contents

4 Using Dell EMC OpenManage Switch

Administrator

. . . . . . . . . . . . . . . . . . . . . 183

About Dell EMC OpenManage Switch

Administrator

. . . . . . . . . . . . . . . . . . . . . . . 183

Starting the Application

. . . . . . . . . . . . . . . . . 184

Understanding the Interface

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

Using the Switch Administrator Buttons and

Links

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

Defining Fields

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

Understanding the Device View

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

Using the Device View Port Features

. . . . . . . . 188

Using the Device View Switch Locator

Feature

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

5 Using the Command-Line Interface . . . . 191

Accessing the Switch Through the CLI . . . . . . . . . 191

Console Connection

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

Telnet Connection

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

Understanding Command Modes

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

Entering CLI Commands

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

Using the Question Mark to Get Help

. . . . . . . . 195

Using Command Completion

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

Entering Abbreviated Commands

. . . . . . . . . . 196

Negating Commands

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

Command Output Paging

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

Understanding Error Messages

. . . . . . . . . . 197

Contents 11

Recalling Commands from the History Buffer . . . 197

6 Default Settings. . . . . . . . . . . . . . . . . . . 199

7 Setting the IP Address and Other Basic

Network Information

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

IP Address and Network Information Overview . . . . 203

What Is the Basic Network Information?

. . . . . 203

Why Is Basic Network Information Needed?

. . . 204

How Is Basic Network Information

Configured?

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

What Is Out-of-Band Management and

In-Band Management?

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

Default Network Information

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

Configuring Basic Network Information (Web)

. . . . . 209

Out-of-Band Interface

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

IP Interface Configuration (Default VLAN IP

Address)

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

Route Entry Configuration (Switch Default

Gateway)

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

Domain Name Server

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

Default Domain Name

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

Host Name Mapping

. . . . . . . . . . . . . . . . 216

Dynamic Host Name Mapping

. . . . . . . . . . . 217

Configuring Basic Network Information (CLI)

. . . . . . 218

Enabling the DHCP Client on the OOB Port

. . . . . 218

Enabling the DHCP Client on the Default

VLAN

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

Managing DHCP Leases

. . . . . . . . . . . . . . 219

12 Contents

Configuring Static Network Information on the OOB

Port

. . . . . . . . . . . . . . . . . . . . . . . . . 220

Configuring Static Network Information on the

Default VLAN . . . . . . . . . . . . . . . . . . . . 221

Configuring and Viewing Additional Network

Information

. . . . . . . . . . . . . . . . . . . . . 222

Basic Network Information Configuration Examples

. . 224

Configuring Network Information Using the OOB

Port

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

Configuring Network Information Using the Serial

Interface

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

8 Managing QSFP Ports . . . . . . . . . . . . . . 229

9 Stacking . . . . . . . . . . . . . . . . . . . . . . . . . 231

Stacking Overview. . . . . . . . . . . . . . . . . . . . 231

Dell EMC Networking N1124-ON/N1148-ON, N1500,

N2000, N2100-ON, N3000, N3048EP-ON, N3100-ON,

and N4000 Stacking Compatibility

. . . . . . . . . 237

How is the Stack Master Selected?

. . . . . . . . 237

Adding a Switch to the Stack

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

Removing a Switch from the Stack

. . . . . . . . . 239

How is the Firmware Updated on the Stack?

. . . . 240

What is Stacking Standby?

. . . . . . . . . . . . . 240

What is Nonstop Forwarding?

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

Switch Stack MAC Addressing and Stack

Design Considerations

. . . . . . . . . . . . . . . 244

NSF Network Design Considerations

. . . . . . . . 244

Why is Stacking Needed?

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

Default Stacking Values

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

Contents 13

Managing and Monitoring the Stack (Web) . . . . . . 247

Unit Configuration

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

Stack Summary

. . . . . . . . . . . . . . . . . . . 248

Stack Firmware Synchronization

. . . . . . . . . . 249

Supported Switches

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

Stack Port Summary

. . . . . . . . . . . . . . . . 251

Stack Port Counters

. . . . . . . . . . . . . . . . 252

Stack Port Diagnostics

. . . . . . . . . . . . . . . 252

NSF Summary

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

Checkpoint Statistics

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

Managing the Stack (CLI)

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

Configuring Stack Member, Stack Port, and NSF

Settings

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

Viewing and Clearing Stacking and NSF

Information

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

Connecting to the Management Console from a

Stack Member

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

Stacking and NSF Usage Scenarios

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

Basic Failover

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

Preconfiguring a Stack Member

. . . . . . . . . . 260

NSF in the Data Center

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

NSF and VoIP

. . . . . . . . . . . . . . . . . . . . 263

NSF and DHCP Snooping

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

NSF and the Storage Access Network

. . . . . . . 265

NSF and Routed Access

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

10 Authentication, Authorization, and

Accounting

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

AAA Introduction . . . . . . . . . . . . . . . . . . . . 269

Methods

. . . . . . . . . . . . . . . . . . . . . . 270

Method Lists

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

14 Contents

Access Lines . . . . . . . . . . . . . . . . . . . . 272

Enabling SSH Access

. . . . . . . . . . . . . . . . 273

Access Lines (AAA)

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

Access Lines (Non-AAA)

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

Authentication

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

Authentication Types

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

Authentication Manager

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

Using RADIUS

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

Using TACACS+ Servers to Control Management

Access . . . . . . . . . . . . . . . . . . . . . . . 287

Authentication Examples

. . . . . . . . . . . . . . 289

Public Key SSH Authentication Example

. . . . . . 297

Associating a User With an SSH Key

. . . . . . . . 305

Authorization

. . . . . . . . . . . . . . . . . . . . . . . 307

Exec Authorization Capabilities

. . . . . . . . . . . 307

Authorization Examples

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

RADIUS Change of Authorization

. . . . . . . . . . 311

TACACS Authorization

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

Accounting

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

RADIUS Accounting

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

IEEE 802.1X

. . . . . . . . . . . . . . . . . . . . . . . . 321

What is IEEE 802.1X?

. . . . . . . . . . . . . . . . 321

What are the 802.1X Port Authentication

Modes?

. . . . . . . . . . . . . . . . . . . . . . . 322

What is MAC-Based 802.1X Authentication?

. . . . 323

What is the Role of 802.1X in VLAN

Assignment?

. . . . . . . . . . . . . . . . . . . . 325

What is Monitor Mode?

. . . . . . . . . . . . . . . 328

How Does the Authentication Server Assign

DiffServ Policy?

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

What is the Internal Authentication Server?

. . . . 330

Contents 15

Default 802.1X Values. . . . . . . . . . . . . . . . 330

Configuring IEEE 802.1X (Web)

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

Captive Portal

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

Captive Portal Overview

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

Default Captive Portal Behavior and Settings

. . . 364

Configuring Captive Portal (Web)

. . . . . . . . . 366

Configuring Captive Portal (CLI)

. . . . . . . . . . 382

Captive Portal Configuration Example

. . . . . . . 388

In Case Of Problems in Captive Portal

Deployment

. . . . . . . . . . . . . . . . . . . . . 392

11 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

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

16 Contents

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

12 Managing General System Settings . . . 431

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

Why Does System Information Need to Be

Configured?

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

What Are SDM Templates?

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

Why is the System Time Needed?

. . . . . . . . . 436

How Does SNTP Work?

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

What Configuration Is Required for Plug-In

Contents 17

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 (Dell EMC

Networking N3000/N3100-ON/N4000 Series

Only)

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

Viewing Slot Information (Dell EMC Networking

N4000 Series Only)

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

Configuring PoE Settings (Dell EMC Networking

N1108P-ON/ N1124P-ON/ N1148P-ON,

18 Contents

N1524P/N1548P, N2024P/N2048P/N2128PX-ON,

N3024P/N3048P/N3048EP-ON/N3132PX-ON

Only)

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

General System Settings Configuration

Examples

. . . . . . . . . . . . . . . . . . . . . . . . . 467

Configuring System and Banner Information

. . . . 467

Configuring SNTP

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

Configuring the Time Manually

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

13 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

Contents 19

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

14 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

Access Router/Switch Role

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

Aggregation Router Role

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

Managing Images and Files (Web)

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

File System

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

Active Images

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

USB Flash Drive

. . . . . . . . . . . . . . . . . . . 525

File Download

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

File Upload

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

Copy Files

. . . . . . . . . . . . . . . . . . . . . . 530

Managing Images and Files (CLI)

. . . . . . . . . . . . 531

Downloading and Activating a New Image

20 Contents

(TFTP) . . . . . . . . . . . . . . . . . . . . . . . . 532

Managing Files in Internal Flash

. . . . . . . . . . 533

Managing Files on a USB Flash Device

. . . . . . 534

Uploading a Configuration File (SCP)

. . . . . . . . 535

Managing Configuration Scripts (SFTP)

. . . . . . 536

File and Image Management Configuration

Examples

. . . . . . . . . . . . . . . . . . . . . . . . . 537

Upgrading the Firmware

. . . . . . . . . . . . . . 537

Managing Configuration Scripts

. . . . . . . . . . 540

Managing Files by Using the USB Flash

Drive

. . . . . . . . . . . . . . . . . . . . . . . . . 542

15 DHCP and USB Auto-Configuration . . . . 545

Auto Configuration Overview . . . . . . . . . . . . . . 545

What Is USB Auto Configuration?

. . . . . . . . . 546

What Files Does USB Auto Configuration

Use?

. . . . . . . . . . . . . . . . . . . . . . . . . 546

How Does USB Auto Configuration Use the Files

on the USB Device?

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

What Is the Setup File Format?

. . . . . . . . . . . 549

What Is the DHCP Auto Configuration

Process?

. . . . . . . . . . . . . . . . . . . . . . 549

Monitoring and Completing the DHCP Auto

Configuration Process

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

What Are the Dependencies for DHCP Auto

Configuration?

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

Default Auto Configuration Values

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

Managing Auto Configuration (Web)

. . . . . . . . . . 558

Auto-Install Configuration

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

Managing Auto Configuration (CLI)

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

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Dell EMC PowerSwitch N3000E-ON Series User guide

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