Dell Networking 7048 Manuale utente

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

4Contents

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

6Contents

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

8Contents

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

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