Dell PowerConnect 8024 Manuale utente

Dell PowerConnect

8024/8024F Switch

User’s Configuration

Guide

Regulatory Models: PC8024 and PC8024F

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: PC8024 and PC8024F

September 2011 Rev. A02

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

Integrated DHCP Server . . . . . . . . . . . . . . 53

Management of Basic Network Information. . . . 53

IPv6 Management Features . . . . . . . . . . . . 53

Dual Software Images . . . . . . . . . . . . . . . 53

File Management . . . . . . . . . . . . . . . . . . 54

Switch Database Management Templates. . . . . 54

Automatic Installation of Firmware and

Configuration . . . . . . . . . . . . . . . . . . . . 54

sFlow . . . . . . . . . . . . . . . . . . . . . . . . 55

SNMP Alarms and Trap Logs . . . . . . . . . . . . 55

CDP Interoperability through ISDP . . . . . . . . . 55

Remote Monitoring (RMON) . . . . . . . . . . . . 55

4Contents

Stacking Features . . . . . . . . . . . . . . . . . . . . 56

High Port Count . . . . . . . . . . . . . . . . . . . 56

Single IP Management . . . . . . . . . . . . . . . 56

Automatic Firmware Upgrade for New

Stack Members . . . . . . . . . . . . . . . . . . . 56

Master Failover with Transparent Transition . . . . 57

Nonstop Forwarding on the Stack . . . . . . . . . 57

Hot Add/Delete and Firmware Synchronization . . 57

Security Features . . . . . . . . . . . . . . . . . . . . 57

Configurable Access and Authentication

Profiles . . . . . . . . . . . . . . . . . . . . . . . 57

Password-Protected Management Access . . . . 58

Strong Password Enforcement . . . . . . . . . . . 58

TACACS+ Client . . . . . . . . . . . . . . . . . . . 58

RADIUS Support . . . . . . . . . . . . . . . . . . 58

SSH/SSL. . . . . . . . . . . . . . . . . . . . . . . 59

Inbound Telnet Control . . . . . . . . . . . . . . . 59

Denial of Service . . . . . . . . . . . . . . . . . . 59

Captive Portal . . . . . . . . . . . . . . . . . . . . 59

Dot1x Authentication (IEEE 802.1X) . . . . . . . . . 60

MAC-Based 802.1X Authentication . . . . . . . . . 60

Dot1x Monitor Mode . . . . . . . . . . . . . . . . 60

MAC-Based Port Security . . . . . . . . . . . . . 60

Access Control Lists (ACL) . . . . . . . . . . . . . 61

Time-Based ACLs . . . . . . . . . . . . . . . . . . 61

IP Source Guard (IPSG). . . . . . . . . . . . . . . 61

DHCP Snooping . . . . . . . . . . . . . . . . . . . 62

Dynamic ARP Inspection . . . . . . . . . . . . . . 62

Protected Ports (Private VLAN Edge). . . . . . . . 62

Switching Features . . . . . . . . . . . . . . . . . . . 63

Flow Control Support (IEEE 802.3x) . . . . . . . . . 63

Head of Line Blocking Prevention . . . . . . . . . 63

Contents 5

Alternate Store and Forward (ASF). . . . . . . . . 63

Jumbo Frames Support . . . . . . . . . . . . . . . 63

Auto-MDI/MDIX Support . . . . . . . . . . . . . . 63

VLAN-Aware MAC-based Switching. . . . . . . . 64

Back Pressure Support . . . . . . . . . . . . . . . 64

Auto Negotiation . . . . . . . . . . . . . . . . . . 64

Broadcast Storm Control . . . . . . . . . . . . . . 64

Port Mirroring. . . . . . . . . . . . . . . . . . . . 65

Static and Dynamic MAC Address Tables . . . . . 65

Link Layer Discovery Protocol (LLDP) . . . . . . . 65

Link Layer Discovery Protocol (LLDP) for

Media Endpoint Devices . . . . . . . . . . . . . . 65

Priority-based Flow Control (PFC) . . . . . . . . . 66

Data Center Bridging (DBC) Exchange Protocol . . 66

Fibre Channel over Ethernet (FCoE)

Initialization Protocol Snooping . . . . . . . . . . 66

Cisco Protocol Filtering. . . . . . . . . . . . . . . 67

DHCP Layer 2 Relay. . . . . . . . . . . . . . . . . 67

Virtual Local Area Network Supported Features . . . . 67

VLAN Support. . . . . . . . . . . . . . . . . . . . 67

Port-Based VLANs . . . . . . . . . . . . . . . . . 67

IP Subnet-based VLAN . . . . . . . . . . . . . . . 68

MAC-based VLAN . . . . . . . . . . . . . . . . . 68

IEEE 802.1v Protocol-Based VLANs . . . . . . . . 68

GARP and GVRP Support . . . . . . . . . . . . . . 68

Voice VLAN . . . . . . . . . . . . . . . . . . . . . 68

Guest VLAN . . . . . . . . . . . . . . . . . . . . . 69

Double VLANs . . . . . . . . . . . . . . . . . . . 69

Spanning Tree Protocol Features . . . . . . . . . . . . 70

Spanning Tree Protocol (STP) . . . . . . . . . . . 70

Spanning Tree Port Settings . . . . . . . . . . . . 70

Rapid Spanning Tree . . . . . . . . . . . . . . . . 70

6Contents

Multiple Spanning Tree . . . . . . . . . . . . . . . 70

Bridge Protocol Data Unit (BPDU) Guard. . . . . . 71

BPDU Filtering . . . . . . . . . . . . . . . . . . . 71

Link Aggregation Features . . . . . . . . . . . . . . . . 71

Link Aggregation . . . . . . . . . . . . . . . . . . 71

Link Aggregate Control Protocol (LACP) . . . . . . 71

Routing Features . . . . . . . . . . . . . . . . . . . . . 72

Address Resolution Protocol (ARP)

Table Management . . . . . . . . . . . . . . . . . 72

VLAN Routing . . . . . . . . . . . . . . . . . . . . 72

IP Configuration . . . . . . . . . . . . . . . . . . . 72

Open Shortest Path First (OSPF) . . . . . . . . . . 72

BOOTP/DHCP Relay Agent . . . . . . . . . . . . . 73

IP Helper and UDP Relay . . . . . . . . . . . . . . 73

Routing Information Protocol . . . . . . . . . . . . 73

Router Discovery . . . . . . . . . . . . . . . . . . 73

Routing Table . . . . . . . . . . . . . . . . . . . . 73

Virtual Router Redundancy Protocol (VRRP) . . . . 74

Tunnel and Loopback Interfaces . . . . . . . . . . 74

IPv6 Routing Features . . . . . . . . . . . . . . . . . . 74

IPv6 Configuration . . . . . . . . . . . . . . . . . 74

IPv6 Routes . . . . . . . . . . . . . . . . . . . . . 75

OSPFv3 . . . . . . . . . . . . . . . . . . . . . . . 75

DHCPv6 . . . . . . . . . . . . . . . . . . . . . . . 75

Quality of Service (QoS) Features . . . . . . . . . . . . 76

Differentiated Services (DiffServ) . . . . . . . . . 76

Class Of Service (CoS) . . . . . . . . . . . . . . . 76

Auto Voice over IP (VoIP) . . . . . . . . . . . . . . 76

Internet Small Computer System Interface

(iSCSI) Optimization . . . . . . . . . . . . . . . . . 77

Contents 7

Layer 2 Multicast Features . . . . . . . . . . . . . . . 77

MAC Multicast Support. . . . . . . . . . . . . . . 77

IGMP Snooping . . . . . . . . . . . . . . . . . . . 77

IGMP Snooping Querier . . . . . . . . . . . . . . 78

MLD Snooping . . . . . . . . . . . . . . . . . . . 78

Multicast VLAN Registration . . . . . . . . . . . . 78

Layer 3 Multicast Features . . . . . . . . . . . . . . . 79

Distance Vector Multicast Routing Protocol . . . . 79

Internet Group Management Protocol . . . . . . . 79

IGMP Proxy . . . . . . . . . . . . . . . . . . . . . 79

Protocol Independent Multicast—Dense

Mode . . . . . . . . . . . . . . . . . . . . . . . . 79

Protocol Independent Multicast—Sparse

Mode . . . . . . . . . . . . . . . . . . . . . . . . 80

Protocol Independent Multicast—Source

Specific Multicast . . . . . . . . . . . . . . . . . 80

Protocol Independent Multicast IPv6 Support . . . 80

MLD/MLDv2 (RFC2710/RFC3810) . . . . . . . . . . 80

3 Hardware Overview. . . . . . . . . . . . . . . . . 81

PowerConnect 8024/8024F Front Panel . . . . . . . . . 81

PowerConnect 8024 Front Panel . . . . . . . . . . 81

PowerConnect 8024F Front Panel . . . . . . . . . 82

Port and System LEDs . . . . . . . . . . . . . . . 83

PowerConnect 8024/8024F Back Panel . . . . . . . . . 83

Console Port . . . . . . . . . . . . . . . . . . . . 83

Out-of-Band Management Port . . . . . . . . . . 84

Power Supplies . . . . . . . . . . . . . . . . . . . 84

Ventilation System . . . . . . . . . . . . . . . . . 84

8Contents

LED Definitions . . . . . . . . . . . . . . . . . . . . . . 85

Port LEDs . . . . . . . . . . . . . . . . . . . . . . 85

System LEDs . . . . . . . . . . . . . . . . . . . . 86

4 Using Dell OpenManage Switch

Administrator . . . . . . . . . . . . . . . . . . . . . 87

About Dell OpenManage Switch Administrator. . . . . 87

Starting the Application . . . . . . . . . . . . . . . . . 88

Understanding the Interface . . . . . . . . . . . . . . . 89

Defining Fields . . . . . . . . . . . . . . . . . . . . . . 91

Understanding the Device View . . . . . . . . . . . . . 92

Using the Device View Port Features. . . . . . . . 92

5 Using the Command-Line Interface . . . . 93

Accessing the Switch Through the CLI . . . . . . . . . 93

Console Connection. . . . . . . . . . . . . . . . . 93

Telnet Connection. . . . . . . . . . . . . . . . . . 94

Understanding Command Modes . . . . . . . . . . . . 95

Entering CLI Commands . . . . . . . . . . . . . . . . . 97

Using the Question Mark to Get Help. . . . . . . . 97

Using Command Completion . . . . . . . . . . . . 98

Entering Abbreviated Commands. . . . . . . . . . 98

Negating Commands . . . . . . . . . . . . . . . . 98

Understanding Error Messages . . . . . . . . . . 99

Recalling Commands from the History

Buffer . . . . . . . . . . . . . . . . . . . . . . . . 99

Contents 9

6 Default Settings. . . . . . . . . . . . . . . . . . . 101

7 Setting the IP Address and Other

Basic Network Information . . . . . . . . . . 105

IP Address and Network Information Overview . . . . 105

What Is the Basic Network Information? . . . . . 105

Why Is Basic Network Information Needed? . . . 106

How Is Basic Network Information

Configured? . . . . . . . . . . . . . . . . . . . . . 107

What Is Out-of-Band Management and

In-Band Management? . . . . . . . . . . . . . . . 107

Default Network Information . . . . . . . . . . . . . . 109

Configuring Basic Network Information (Web) . . . . . 110

Out-of-Band Interface . . . . . . . . . . . . . . . 110

IP Interface Configuration (Default VLAN IP

Address) . . . . . . . . . . . . . . . . . . . . . . 111

Route Entry Configuration (Switch Default

Gateway) . . . . . . . . . . . . . . . . . . . . . . 112

Domain Name Server. . . . . . . . . . . . . . . . 114

Default Domain Name . . . . . . . . . . . . . . . 115

Host Name Mapping . . . . . . . . . . . . . . . . 116

Dynamic Host Name Mapping . . . . . . . . . . . 117

Configuring Basic Network Information (CLI). . . . . . 118

Enabling the DHCP Client on the OOB Port. . . . . 118

Enabling the DHCP Client on the Default

VLAN . . . . . . . . . . . . . . . . . . . . . . . . 118

Managing DHCP Leases . . . . . . . . . . . . . . 119

Configuring Static Network Information on

the OOB Port . . . . . . . . . . . . . . . . . . . . 120

Configuring Static Network Information on

the Default VLAN . . . . . . . . . . . . . . . . . . 120

10 Contents

Configuring and Viewing Additional Network

Information . . . . . . . . . . . . . . . . . . . . 121

Basic Network Information Configuration

Example . . . . . . . . . . . . . . . . . . . . . . . . 122

8 Managing a Switch Stack . . . . . . . . . . . 125

Stacking Overview . . . . . . . . . . . . . . . . . . . 125

Creating a PowerConnect 8024 Stack . . . . . . 126

How is the Management Unit Selected? . . . . . 127

Adding a Switch to the Stack . . . . . . . . . . . 129

Removing a Switch from the Stack . . . . . . . . 129

How is the Firmware Updated on the Stack?. . . 130

What is Stacking Standby? . . . . . . . . . . . . 130

What is Nonstop Forwarding? . . . . . . . . . . 131

Switch Stack MAC Addressing and Stack

Design Considerations . . . . . . . . . . . . . . 134

NSF Network Design Considerations. . . . . . . 134

Why is Stacking Needed? . . . . . . . . . . . . 135

Default Stacking Values . . . . . . . . . . . . . . . . 135

Managing and Monitoring the Stack (Web) . . . . . . 136

Unit Configuration. . . . . . . . . . . . . . . . . 136

Stack Summary . . . . . . . . . . . . . . . . . . 138

Stack Firmware Synchronization . . . . . . . . . 139

Supported Switches . . . . . . . . . . . . . . . 140

Stack Port Summary . . . . . . . . . . . . . . . 141

Stack Port Counters. . . . . . . . . . . . . . . . 142

Stack Port Diagnostics . . . . . . . . . . . . . . 142

NSF Summary . . . . . . . . . . . . . . . . . . . 143

Checkpoint Statistics . . . . . . . . . . . . . . . 144

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