Dell PowerConnect 8024 User manual

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.
© 2011 Dell Inc. All rights reserved.
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