Dell N4000 Series Manuale utente

Dell Networking

N2000, N3000, and N4000

Series Switches

User’s Configuration

Guide

Regulatory Models: N2024, N2024P,

N2038,N2048P, N3024, N3024F, N3024P,

N3048, N3048P, N4032, N4032F, N4064,

N4064F

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™, 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: N2024, N2024P, N2038,N2048P, N3024, N3024F, N3024P, N3048, N3048P, N4032, N4032F, N4064, N4064F

January 2014 Rev. A01

Contents 3

Contents

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . 51

About This Document . . . . . . . . . . . . . . . . . . 51

Audience . . . . . . . . . . . . . . . . . . . . . . . . . 52

Document Conventions . . . . . . . . . . . . . . . . . 52

Additional Documentation. . . . . . . . . . . . . . . . 53

2 Switch Feature Overview . . . . . . . . . . . . 55

System Management Features . . . . . . . . . . . . . 56

Multiple Management Options . . . . . . . . . . . 56

System Time Management . . . . . . . . . . . . . 56

Log Messages . . . . . . . . . . . . . . . . . . . 57

Integrated DHCP Server . . . . . . . . . . . . . . 57

Management of Basic Network Information. . . . 57

IPv6 Management Features . . . . . . . . . . . . 58

Dual Software Images . . . . . . . . . . . . . . . 58

File Management . . . . . . . . . . . . . . . . . . 58

Switch Database Management Templates. . . . . 58

Automatic Installation of Firmware and

Configuration . . . . . . . . . . . . . . . . . . . . 59

sFlow . . . . . . . . . . . . . . . . . . . . . . . . 59

SNMP Alarms and Trap Logs . . . . . . . . . . . . 60

CDP Interoperability through ISDP . . . . . . . . . 60

Remote Monitoring (RMON) . . . . . . . . . . . . 60

Stacking Features . . . . . . . . . . . . . . . . . . . . 61

High Stack Count . . . . . . . . . . . . . . . . . . 61

4Contents

Single IP Management . . . . . . . . . . . . . . . 61

Master Failover with Transparent Transition . . . . 62

Nonstop Forwarding on the Stack . . . . . . . . . 62

Hot Add/Delete and Firmware

Synchronization . . . . . . . . . . . . . . . . . . . 62

Security Features . . . . . . . . . . . . . . . . . . . . 63

Configurable Access and Authentication

Profiles . . . . . . . . . . . . . . . . . . . . . . . 63

Password-Protected Management Access . . . . 63

Strong Password Enforcement . . . . . . . . . . . 63

TACACS+ Client . . . . . . . . . . . . . . . . . . . 63

RADIUS Support . . . . . . . . . . . . . . . . . . 64

SSH/SSL. . . . . . . . . . . . . . . . . . . . . . . 64

Inbound Telnet Control . . . . . . . . . . . . . . . 64

Denial of Service . . . . . . . . . . . . . . . . . . 64

Port Protection . . . . . . . . . . . . . . . . . . . 64

Captive Portal . . . . . . . . . . . . . . . . . . . . 65

Dot1x Authentication (IEEE 802.1X) . . . . . . . . . 66

MAC-Based 802.1X Authentication . . . . . . . . . 66

Dot1x Monitor Mode . . . . . . . . . . . . . . . . 66

MAC-Based Port Security . . . . . . . . . . . . . 66

Access Control Lists (ACL) . . . . . . . . . . . . . 67

Time-Based ACLs . . . . . . . . . . . . . . . . . . 67

IP Source Guard (IPSG). . . . . . . . . . . . . . . 67

DHCP Snooping . . . . . . . . . . . . . . . . . . . 68

Dynamic ARP Inspection . . . . . . . . . . . . . . 68

Protected Ports (Private VLAN Edge). . . . . . . . 68

Green Technology Features . . . . . . . . . . . . . . . 69

Energy Detect Mode . . . . . . . . . . . . . . . . 69

Energy Efficient Ethernet . . . . . . . . . . . . . . 69

Power Utilization Reporting. . . . . . . . . . . . . 69

Contents 5

Power over Ethernet (PoE) Plus Features . . . . . . . . 70

Power Over Ethernet (PoE) Plus

Configuration . . . . . . . . . . . . . . . . . . . . 70

PoE Plus Support . . . . . . . . . . . . . . . . . . 70

Switching Features . . . . . . . . . . . . . . . . . . . 71

Flow Control Support (IEEE 802.3x) . . . . . . . . . 71

Head of Line Blocking Prevention . . . . . . . . . 71

Alternate Store and Forward (ASF). . . . . . . . . 71

Jumbo Frames Support . . . . . . . . . . . . . . . 71

Auto-MDI/MDIX Support . . . . . . . . . . . . . . 72

VLAN-Aware MAC-based Switching. . . . . . . . 72

Back Pressure Support . . . . . . . . . . . . . . . 72

Auto Negotiation . . . . . . . . . . . . . . . . . . 72

Broadcast Storm Control . . . . . . . . . . . . . . 73

Port Mirroring. . . . . . . . . . . . . . . . . . . . 73

Static and Dynamic MAC Address Tables . . . . . 73

Link Layer Discovery Protocol (LLDP) . . . . . . . 74

Link Layer Discovery Protocol (LLDP) for

Media Endpoint Devices . . . . . . . . . . . . . . 74

Connectivity Fault Management

(IEEE 802.1ag) . . . . . . . . . . . . . . . . . . . . 74

Priority-based Flow Control (PFC) . . . . . . . . . 74

Data Center Bridging Exchange (DBCx)

Protocol . . . . . . . . . . . . . . . . . . . . . . . 75

Enhanced Transmission Selection . . . . . . . . . 75

Cisco Protocol Filtering. . . . . . . . . . . . . . . 76

DHCP Layer 2 Relay. . . . . . . . . . . . . . . . . 76

Virtual Local Area Network Supported Features . . . . 77

VLAN Support. . . . . . . . . . . . . . . . . . . . 77

Port-Based VLANs . . . . . . . . . . . . . . . . . 77

IP Subnet-based VLAN . . . . . . . . . . . . . . . 77

MAC-based VLAN . . . . . . . . . . . . . . . . . 77

IEEE 802.1v Protocol-Based VLANs . . . . . . . . 77

6Contents

GARP and GVRP Support . . . . . . . . . . . . . . 78

Voice VLAN . . . . . . . . . . . . . . . . . . . . . 78

Guest VLAN . . . . . . . . . . . . . . . . . . . . . 78

Double VLANs. . . . . . . . . . . . . . . . . . . . 78

Spanning Tree Protocol Features . . . . . . . . . . . . 79

Spanning Tree Protocol (STP) . . . . . . . . . . . 79

Spanning Tree Port Settings . . . . . . . . . . . . 79

Rapid Spanning Tree . . . . . . . . . . . . . . . . 79

Multiple Spanning Tree . . . . . . . . . . . . . . . 79

Bridge Protocol Data Unit (BPDU) Guard. . . . . . 80

BPDU Filtering . . . . . . . . . . . . . . . . . . . 80

RSTP-PV and STP-PV . . . . . . . . . . . . . . . . 80

Link Aggregation Features . . . . . . . . . . . . . . . . 81

Link Aggregation . . . . . . . . . . . . . . . . . . 81

Link Aggregate Control Protocol (LACP) . . . . . . 81

Multi-Switch LAG (MLAG) . . . . . . . . . . . . . 81

Routing Features . . . . . . . . . . . . . . . . . . . . . 82

Address Resolution Protocol (ARP) Table

Management . . . . . . . . . . . . . . . . . . . . 82

VLAN Routing . . . . . . . . . . . . . . . . . . . . 82

IP Configuration . . . . . . . . . . . . . . . . . . . 82

Open Shortest Path First (OSPF) . . . . . . . . . . 82

BOOTP/DHCP Relay Agent . . . . . . . . . . . . . 83

IP Helper and UDP Relay . . . . . . . . . . . . . . 83

Routing Information Protocol . . . . . . . . . . . . 83

Router Discovery . . . . . . . . . . . . . . . . . . 83

Routing Table . . . . . . . . . . . . . . . . . . . . 83

Virtual Router Redundancy Protocol (VRRP) . . . . 84

Tunnel and Loopback Interfaces . . . . . . . . . . 84

IPv6 Routing Features . . . . . . . . . . . . . . . . . . 85

IPv6 Configuration . . . . . . . . . . . . . . . . . 85

Contents 7

IPv6 Routes . . . . . . . . . . . . . . . . . . . . . 85

OSPFv3 . . . . . . . . . . . . . . . . . . . . . . . 85

DHCPv6 . . . . . . . . . . . . . . . . . . . . . . . 85

Quality of Service (QoS) Features . . . . . . . . . . . . 86

Differentiated Services (DiffServ) . . . . . . . . . 86

Class Of Service (CoS) . . . . . . . . . . . . . . . 86

Auto Voice over IP (VoIP). . . . . . . . . . . . . . 86

Internet Small Computer System Interface

(iSCSI) Optimization. . . . . . . . . . . . . . . . . 87

Layer 2 Multicast Features . . . . . . . . . . . . . . . 87

MAC Multicast Support. . . . . . . . . . . . . . . 87

IGMP Snooping . . . . . . . . . . . . . . . . . . . 87

IGMP Snooping Querier . . . . . . . . . . . . . . 88

MLD Snooping . . . . . . . . . . . . . . . . . . . 88

Multicast VLAN Registration . . . . . . . . . . . . 88

Layer 3 Multicast Features . . . . . . . . . . . . . . . 89

Distance Vector Multicast Routing Protocol . . . . 89

Internet Group Management Protocol . . . . . . . 89

IGMP Proxy . . . . . . . . . . . . . . . . . . . . . 89

Protocol Independent Multicast—

Dense Mode . . . . . . . . . . . . . . . . . . . . 89

Protocol Independent Multicast—

Sparse Mode . . . . . . . . . . . . . . . . . . . . 90

Protocol Independent Multicast—

Source Specific Multicast . . . . . . . . . . . . . 90

Protocol Independent Multicast IPv6 Support . . . 90

MLD/MLDv2 (RFC2710/RFC3810) . . . . . . . . . . 90

3 Hardware Overview. . . . . . . . . . . . . . . . . 91

Dell Networking N2000 Series Switch Hardware . . . 91

N2000 Series Front Panel . . . . . . . . . . . . . . 91

8Contents

N2000 Series Back Panel . . . . . . . . . . . . . . 95

N2000 LED Definitions. . . . . . . . . . . . . . . . 97

Power Consumption for N2000 Series PoE

Switches . . . . . . . . . . . . . . . . . . . . . 100

Dell Networking N3000 Series Switch

Hardware. . . . . . . . . . . . . . . . . . . . . . . . 102

N3000 Series Front Panel . . . . . . . . . . . . . 102

N3000 Series Back Panel . . . . . . . . . . . . . 106

LED Definitions . . . . . . . . . . . . . . . . . . 109

Power Consumption for N3000 Series PoE

Switches . . . . . . . . . . . . . . . . . . . . . 113

Dell Networking N4000 Series Switch

Hardware. . . . . . . . . . . . . . . . . . . . . . . . 115

Front Panel . . . . . . . . . . . . . . . . . . . . 115

N4000 Back Panel. . . . . . . . . . . . . . . . . 119

LED Definitions . . . . . . . . . . . . . . . . . . 121

Switch MAC Addresses . . . . . . . . . . . . . . . . 125

4 Using Dell OpenManage Switch

Administrator . . . . . . . . . . . . . . . . . . . . 127

About Dell OpenManage Switch Administrator. . . . 127

Starting the Application . . . . . . . . . . . . . . . . 128

Understanding the Interface . . . . . . . . . . . . . . 129

Using the Switch Administrator Buttons and

Links . . . . . . . . . . . . . . . . . . . . . . . . . . 131

Defining Fields . . . . . . . . . . . . . . . . . . . . . 132

Understanding the Device View . . . . . . . . . . . . 132

Using the Device View Port Features. . . . . . . 132

Contents 9

Using the Device View Switch Locator

Feature . . . . . . . . . . . . . . . . . . . . . . . 133

5 Using the Command-Line Interface. . . . 135

Accessing the Switch Through the CLI . . . . . . . . . 135

Console Connection . . . . . . . . . . . . . . . . 135

Telnet Connection . . . . . . . . . . . . . . . . . 136

Understanding Command Modes . . . . . . . . . . . . 137

Entering CLI Commands . . . . . . . . . . . . . . . . . 139

Using the Question Mark to Get Help . . . . . . . 139

Using Command Completion . . . . . . . . . . . . 140

Entering Abbreviated Commands . . . . . . . . . 140

Negating Commands . . . . . . . . . . . . . . . . 140

Command Output Paging . . . . . . . . . . . . . . 141

Understanding Error Messages . . . . . . . . . . 141

Recalling Commands from the History Buffer . . . 141

. . . . . . . . . . . . . . . . . . . . . . . . . . . 142

6 Default Settings. . . . . . . . . . . . . . . . . . . 143

7 Setting the IP Address and Other

Basic Network Information . . . . . . . . . . 147

IP Address and Network Information Overview . . . . 147

What Is the Basic Network Information? . . . . . 147

Why Is Basic Network Information

Needed? . . . . . . . . . . . . . . . . . . . . . . 148

How Is Basic Network Information

Configured? . . . . . . . . . . . . . . . . . . . . . 149

10 Contents

What Is Out-of-Band Management and

In-Band Management? . . . . . . . . . . . . . . 149

Default Network Information . . . . . . . . . . . . . 151

Configuring Basic Network Information (Web) . . . . 152

Out-of-Band Interface . . . . . . . . . . . . . . 152

IP Interface Configuration (Default VLAN IP

Address). . . . . . . . . . . . . . . . . . . . . . 153

Route Entry Configuration (Switch Default

Gateway) . . . . . . . . . . . . . . . . . . . . . 155

Domain Name Server . . . . . . . . . . . . . . . 157

Default Domain Name . . . . . . . . . . . . . . 158

Host Name Mapping . . . . . . . . . . . . . . . 159

Dynamic Host Name Mapping . . . . . . . . . . 160

Configuring Basic Network Information (CLI). . . . . 161

Enabling the DHCP Client on the OOB Port . . . . 161

Enabling the DHCP Client on the Default

VLAN . . . . . . . . . . . . . . . . . . . . . . . 161

Managing DHCP Leases . . . . . . . . . . . . . 162

Configuring Static Network Information on

the OOB Port . . . . . . . . . . . . . . . . . . . 163

Configuring Static Network Information on

the Default VLAN . . . . . . . . . . . . . . . . . 163

Configuring and Viewing Additional Network

Information . . . . . . . . . . . . . . . . . . . . 164

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