Dell Networking 7048 User manual

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.
© 2013 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: 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