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PowerSwitch N1100-ON Series

Dell PowerSwitch N1100-ON Series User guide

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Dell EMC Networking N-Series
N1100-ON, N1500, N2000,
N2100-ON, N3000, N3100-ON,
and N4000 Switches
User’s Configuration
Guide
Version 6.3.0.x - N2000/N3000/N4000 Series Switches
Version 6.3.5.x - N3100-ON Series Switches
Version 6.3.6.x - N2100-ON/N3100-ON Series Switches
Version 6.4.x.x - N1100-ON Series Switches
Regulatory Models: E04W, E05W, E06W,
E07W, E15W, E16W, E17W, E18W,
PowerConnect 8132, PowerConnect 8132F,
PowerConnect 8164, PowerConnect 8164F
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.
Copyright © 2017 Dell EMC Inc. All rights reserved. This product is protected by U.S. and
international copyright and intellectual property laws. Dell EMCâ„¢ and the Dell EMC logo are
trademarks of Dell EMC Inc. in the United States and/or other jurisdictions. All other marks and names
mentioned herein may be trademarks of their respective companies.
Marketing Models: N1108T-ON, N1108P-ON, N1124T-ON, N1124P-ON, N1148T-ON, N1148P-ON, N1524, N1524P, N1548, N1548P, N2024,
N2024P, N2048, N2048P, N2128PX-ON, N3024, N3024F, N3024P, N3048, N3048P, N3132PX-ON, N4032, N4032F, N4064, N4064F
Regulatory Models: E04W, E05W, E06W, E07W, E15W, E16W, E17W, E18W, PowerConnect 8132, PowerConnect 8132F,
PowerConnect 8164, PowerConnect 8164F
June 2017 Rev. A04
Contents 3
Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . 55
About This Document . . . . . . . . . . . . . . . . . . 55
Audience . . . . . . . . . . . . . . . . . . . . . . . . . 56
Document Conventions
. . . . . . . . . . . . . . . . . 56
Additional Documentation
. . . . . . . . . . . . . . . . 57
2 Switch Feature Overview . . . . . . . . . . . . 59
System Management Features . . . . . . . . . . . . . 60
Multiple Management Options
. . . . . . . . . . . 60
System Time Management . . . . . . . . . . . . . 60
Log Messages
. . . . . . . . . . . . . . . . . . . 61
Integrated DHCP Server
. . . . . . . . . . . . . . 61
Management of Basic Network Information . . . . 61
IPv6 Management Features
. . . . . . . . . . . . 62
Dual Software Images
. . . . . . . . . . . . . . . 62
File Management . . . . . . . . . . . . . . . . . . 62
Switch Database Management Templates
. . . . 63
Automatic Installation of Firmware and
Configuration . . . . . . . . . . . . . . . . . . . . 63
sFlow
. . . . . . . . . . . . . . . . . . . . . . . . 64
SNMP Alarms and Trap Logs
. . . . . . . . . . . . 64
CDP Interoperability Through ISDP . . . . . . . . 65
Remote Monitoring (RMON)
. . . . . . . . . . . . 65
N3000 Series Access and Aggregation
Firmware Images . . . . . . . . . . . . . . . . . . 65
4 Contents
Stacking Features . . . . . . . . . . . . . . . . . . . . 67
High Stack Count
. . . . . . . . . . . . . . . . . . 67
Single IP Management
. . . . . . . . . . . . . . . 67
Master Failover with Transparent Transition. . . . 68
Nonstop Forwarding on the Stack
. . . . . . . . . 68
Hot Add/Delete and Firmware
Synchronization. . . . . . . . . . . . . . . . . . . 68
Security Features . . . . . . . . . . . . . . . . . . . . 69
Configurable Access and Authentication
Profiles
. . . . . . . . . . . . . . . . . . . . . . . 69
Password-Protected Management Access
. . . . 69
Strong Password Enforcement
. . . . . . . . . . . 69
TACACS+ Client . . . . . . . . . . . . . . . . . . . 69
RADIUS Support
. . . . . . . . . . . . . . . . . . 70
SSH/SSL
. . . . . . . . . . . . . . . . . . . . . . . 70
Inbound Telnet Control . . . . . . . . . . . . . . . 70
Denial of Service
. . . . . . . . . . . . . . . . . . 70
Port Protection
. . . . . . . . . . . . . . . . . . . 71
Captive Portal
. . . . . . . . . . . . . . . . . . . . 72
802.1X Authentication (IEEE 802.1X)
. . . . . . . . 72
MAC-Based 802.1X Authentication . . . . . . . . . 73
802.1X Monitor Mode
. . . . . . . . . . . . . . . . 73
MAC-Based Port Security
. . . . . . . . . . . . . 73
Access Control Lists (ACLs) . . . . . . . . . . . . 74
Time-Based ACLs
. . . . . . . . . . . . . . . . . . 74
IP Source Guard (IPSG)
. . . . . . . . . . . . . . . 74
DHCP Snooping . . . . . . . . . . . . . . . . . . . 75
Dynamic ARP Inspection
. . . . . . . . . . . . . . 75
Protected Ports (Private VLAN Edge)
. . . . . . . . 75
Green Technology Features
. . . . . . . . . . . . . . . 76
Energy Detect Mode
. . . . . . . . . . . . . . . . 76
Energy Efficient Ethernet
. . . . . . . . . . . . . . 76
Contents 5
Power Utilization Reporting . . . . . . . . . . . . 76
Power over Ethernet (PoE) Plus Features
. . . . . . . . 77
Key PoE Plus Features for the Dell EMC
Networking N1108P-ON, N1124P-ON, N1148P-ON,
N2024P, N2048P, N2128PX-ON, N3024P, N3048P,
and N3132PX-ON Switches
. . . . . . . . . . . . . 77
Power Over Ethernet (PoE) Plus Configuration
. . 78
PoE Plus Support
. . . . . . . . . . . . . . . . . . 78
PoE 60W Support . . . . . . . . . . . . . . . . . . 79
Powered Device Detection . . . . . . . . . . . . . 79
PoE Power Management Modes. . . . . . . . . . 79
Power Management in Guard Band
. . . . . . . . 81
PoE Plus Default Settings
. . . . . . . . . . . . . . 82
Switching Features
. . . . . . . . . . . . . . . . . . . 83
Flow Control Support (IEEE 802.3x)
. . . . . . . . . 83
Head of Line Blocking Prevention
. . . . . . . . . 83
Alternate Store and Forward (ASF). . . . . . . . . 83
Jumbo Frames Support
. . . . . . . . . . . . . . . 83
Auto-MDI/MDIX Support
. . . . . . . . . . . . . . 84
VLAN-Aware MAC-based Switching. . . . . . . . 84
Back Pressure Support
. . . . . . . . . . . . . . . 84
Auto-negotiation
. . . . . . . . . . . . . . . . . . 85
Storm Control . . . . . . . . . . . . . . . . . . . . 85
Port Mirroring
. . . . . . . . . . . . . . . . . . . . 85
Static and Dynamic MAC Address Tables
. . . . . 86
Link Layer Discovery Protocol (LLDP) . . . . . . . 86
Link Layer Discovery Protocol (LLDP) for Media
Endpoint Devices
. . . . . . . . . . . . . . . . . . 86
Connectivity Fault Management (IEEE 802.1ag) . . 87
Priority-based Flow Control (PFC) . . . . . . . . . 87
Data Center Bridging Exchange (DBCx)
Protocol. . . . . . . . . . . . . . . . . . . . . . . 88
Enhanced Transmission Selection
. . . . . . . . . 88
6 Contents
Cisco Protocol Filtering . . . . . . . . . . . . . . . 88
DHCP Layer-2 Relay
. . . . . . . . . . . . . . . . . 89
Virtual Local Area Network Supported Features
. . . . 90
VLAN Support
. . . . . . . . . . . . . . . . . . . . 90
Port-Based VLANs
. . . . . . . . . . . . . . . . . 90
IP Subnet-based VLAN . . . . . . . . . . . . . . . 90
MAC-based VLAN
. . . . . . . . . . . . . . . . . . 90
IEEE 802.1v Protocol-Based VLANs
. . . . . . . . . 90
Voice VLAN . . . . . . . . . . . . . . . . . . . . . 90
GARP and GVRP Support
. . . . . . . . . . . . . . 91
Guest VLAN
. . . . . . . . . . . . . . . . . . . . . 91
Unauthorized VLAN . . . . . . . . . . . . . . . . . 91
Double VLANs
. . . . . . . . . . . . . . . . . . . . 91
Spanning Tree Protocol Features
. . . . . . . . . . . . 92
Spanning Tree Protocol (STP)
. . . . . . . . . . . 92
Spanning Tree Port Settings
. . . . . . . . . . . . 92
Rapid Spanning Tree
. . . . . . . . . . . . . . . . 92
Multiple Spanning Tree . . . . . . . . . . . . . . . 92
Bridge Protocol Data Unit (BPDU) Guard
. . . . . . 93
BPDU Filtering
. . . . . . . . . . . . . . . . . . . 93
RSTP-PV and STP-PV
. . . . . . . . . . . . . . . . 93
Link Aggregation Features
. . . . . . . . . . . . . . . . 94
Link Aggregation
. . . . . . . . . . . . . . . . . . 94
Link Aggregate Control Protocol (LACP)
. . . . . . 95
Multi-Switch LAG (MLAG)
. . . . . . . . . . . . . 95
Routing Features
. . . . . . . . . . . . . . . . . . . . . 96
Address Resolution Protocol (ARP) Table
Management
. . . . . . . . . . . . . . . . . . . . 96
VLAN Routing . . . . . . . . . . . . . . . . . . . . 96
IP Configuration
. . . . . . . . . . . . . . . . . . . 96
Open Shortest Path First (OSPF)
. . . . . . . . . . 97
Contents 7
Border Gateway Protocol (BGP) . . . . . . . . . . 97
Virtual Routing and Forwarding (VRF)
. . . . . . . 97
BOOTP/DHCP Relay Agent . . . . . . . . . . . . . 98
IP Helper and DHCP Relay . . . . . . . . . . . . . 98
Routing Information Protocol. . . . . . . . . . . . 98
Router Discovery
. . . . . . . . . . . . . . . . . . 98
Routing Table
. . . . . . . . . . . . . . . . . . . . 98
Virtual Router Redundancy Protocol (VRRP) . . . . 99
Tunnel and Loopback Interfaces
. . . . . . . . . . 99
IPv6 Routing Features
. . . . . . . . . . . . . . . . . . 100
IPv6 Configuration
. . . . . . . . . . . . . . . . . 100
IPv6 Routes
. . . . . . . . . . . . . . . . . . . . . 100
OSPFv3
. . . . . . . . . . . . . . . . . . . . . . . 100
DHCPv6 . . . . . . . . . . . . . . . . . . . . . . . 100
Quality of Service (QoS) Features . . . . . . . . . . . . 101
Differentiated Services (DiffServ)
. . . . . . . . . 101
Class Of Service (CoS) . . . . . . . . . . . . . . . 101
Auto Voice over IP (VoIP)
. . . . . . . . . . . . . . 101
Internet Small Computer System Interface
(iSCSI) Optimization. . . . . . . . . . . . . . . . . 102
Layer-2 Multicast Features . . . . . . . . . . . . . . . 102
MAC Multicast Support
. . . . . . . . . . . . . . . 102
IGMP Snooping . . . . . . . . . . . . . . . . . . . 102
IGMP Snooping Querier
. . . . . . . . . . . . . . 103
MLD Snooping
. . . . . . . . . . . . . . . . . . . 103
Multicast VLAN Registration . . . . . . . . . . . . 103
Layer-3 Multicast Features . . . . . . . . . . . . . . . 104
Distance Vector Multicast Routing Protocol
. . . . 104
Internet Group Management Protocol . . . . . . . 104
IGMP Proxy
. . . . . . . . . . . . . . . . . . . . . 104
8 Contents
Protocol Independent Multicast—Dense
Mode . . . . . . . . . . . . . . . . . . . . . . . 104
Protocol Independent Multicast—Sparse
Mode . . . . . . . . . . . . . . . . . . . . . . . 105
Protocol Independent Multicast—Source
Specific Multicast. . . . . . . . . . . . . . . . . 105
Protocol Independent Multicast IPv6
Support
. . . . . . . . . . . . . . . . . . . . . . 105
MLD/MLDv2 (RFC2710/RFC3810) . . . . . . . . . 105
3 Hardware Overview . . . . . . . . . . . . . . . . 107
Dell EMC Networking N1100-ON Series Switch
Hardware
. . . . . . . . . . . . . . . . . . . . . . . . 107
Front Panel
. . . . . . . . . . . . . . . . . . . . 107
Power Supply
. . . . . . . . . . . . . . . . . . . 110
Ventilation System
. . . . . . . . . . . . . . . . 110
Thermal Shutdown
. . . . . . . . . . . . . . . . 110
LED Definitions
. . . . . . . . . . . . . . . . . . 110
Power Consumption for PoE Switches . . . . . . 114
Wall Installation. . . . . . . . . . . . . . . . . . 115
Dell EMC Networking N1500 Series Switch
Hardware
. . . . . . . . . . . . . . . . . . . . . . . . 117
Front Panel
. . . . . . . . . . . . . . . . . . . . 117
Back Panel . . . . . . . . . . . . . . . . . . . . 121
LED Definitions
. . . . . . . . . . . . . . . . . . 122
Power Consumption for PoE Switches
. . . . . . 125
Dell EMC Networking N2000 Series Switch
Hardware
. . . . . . . . . . . . . . . . . . . . . . . . 127
Front Panel
. . . . . . . . . . . . . . . . . . . . 127
Back Panel . . . . . . . . . . . . . . . . . . . . 130
LED Definitions
. . . . . . . . . . . . . . . . . . 132
Power Consumption for PoE Switches
. . . . . . 135
Contents 9
Dell EMC Networking N2100-ON Series Switch
Hardware . . . . . . . . . . . . . . . . . . . . . . . . 137
Front Panel
. . . . . . . . . . . . . . . . . . . . . 137
Back Panel . . . . . . . . . . . . . . . . . . . . . 139
LED Definitions
. . . . . . . . . . . . . . . . . . . 139
Power Consumption for PoE Switches
. . . . . . . 143
Dell EMC Networking N3000 Series Switch
Hardware
. . . . . . . . . . . . . . . . . . . . . . . . 146
Front Panel
. . . . . . . . . . . . . . . . . . . . . 146
Back Panel . . . . . . . . . . . . . . . . . . . . . 151
LED Definitions
. . . . . . . . . . . . . . . . . . . 153
Power Consumption for PoE Switches
. . . . . . . 158
Dell EMC Networking N3100-ON Series Switch
Hardware
. . . . . . . . . . . . . . . . . . . . . . . . 160
Front Panel
. . . . . . . . . . . . . . . . . . . . . 160
Back Panel . . . . . . . . . . . . . . . . . . . . . 162
LED Definitions
. . . . . . . . . . . . . . . . . . . 163
Power Consumption for PoE Switches
. . . . . . . 168
PoE Power Budget Limit . . . . . . . . . . . . . . 170
Dell EMC Networking N4000 Series Switch
Hardware
. . . . . . . . . . . . . . . . . . . . . . . . 171
Front Panel
. . . . . . . . . . . . . . . . . . . . . 171
Back Panel
. . . . . . . . . . . . . . . . . . . . . 175
LED Definitions
. . . . . . . . . . . . . . . . . . . 177
Switch MAC Addresses
. . . . . . . . . . . . . . . . . 181
4 Using Dell EMC OpenManage Switch
Administrator . . . . . . . . . . . . . . . . . . . . 183
About Dell EMC OpenManage Switch
Administrator . . . . . . . . . . . . . . . . . . . . . . 183
10 Contents
Starting the Application . . . . . . . . . . . . . . . . 184
Understanding the Interface
. . . . . . . . . . . . . . 185
Using the Switch Administrator Buttons and
Links
. . . . . . . . . . . . . . . . . . . . . . . . . . 187
Defining Fields . . . . . . . . . . . . . . . . . . . . . 188
Understanding the Device View
. . . . . . . . . . . . 188
Using the Device View Port Features
. . . . . . . 188
Using the Device View Switch Locator
Feature . . . . . . . . . . . . . . . . . . . . . . 189
5 Using the Command-Line Interface . . . . 191
Accessing the Switch Through the CLI . . . . . . . . 191
Console Connection
. . . . . . . . . . . . . . . . 191
Telnet Connection. . . . . . . . . . . . . . . . . 192
Understanding Command Modes . . . . . . . . . . . 193
Entering CLI Commands
. . . . . . . . . . . . . . . . 195
Using the Question Mark to Get Help
. . . . . . . 195
Using Command Completion
. . . . . . . . . . . 196
Entering Abbreviated Commands. . . . . . . . . 196
Negating Commands
. . . . . . . . . . . . . . . 196
Command Output Paging
. . . . . . . . . . . . . 196
Understanding Error Messages . . . . . . . . . 197
Recalling Commands from the History
Buffer
. . . . . . . . . . . . . . . . . . . . . . . 197
Contents 11
6 Default Settings. . . . . . . . . . . . . . . . . . . 199
7 Setting the IP Address and Other
Basic Network Information
. . . . . . . . . . 203
IP Address and Network Information Overview . . . . 203
What Is the Basic Network Information?
. . . . . 203
Why Is Basic Network Information Needed?
. . . 204
How Is Basic Network Information
Configured? . . . . . . . . . . . . . . . . . . . . . 205
What Is Out-of-Band Management and In-Band
Management? . . . . . . . . . . . . . . . . . . . 205
Default Network Information . . . . . . . . . . . . . . 208
Configuring Basic Network Information (Web)
. . . . . 209
Out-of-Band Interface
. . . . . . . . . . . . . . . 209
IP Interface Configuration (Default VLAN IP
Address) . . . . . . . . . . . . . . . . . . . . . . 210
Route Entry Configuration (Switch Default
Gateway)
. . . . . . . . . . . . . . . . . . . . . . 212
Domain Name Server. . . . . . . . . . . . . . . . 214
Default Domain Name . . . . . . . . . . . . . . . 215
Host Name Mapping
. . . . . . . . . . . . . . . . 216
Dynamic Host Name Mapping
. . . . . . . . . . . 217
Configuring Basic Network Information (CLI). . . . . . 218
Enabling the DHCP Client on the OOB Port
. . . . . 218
Enabling the DHCP Client on the Default
VLAN . . . . . . . . . . . . . . . . . . . . . . . . 218
Managing DHCP Leases
. . . . . . . . . . . . . . 219
Configuring Static Network Information on
the OOB Port . . . . . . . . . . . . . . . . . . . . 220
Configuring Static Network Information on
the Default VLAN
. . . . . . . . . . . . . . . . . . 221
12 Contents
Configuring and Viewing Additional Network
Information . . . . . . . . . . . . . . . . . . . . 222
Basic Network Information Configuration
Examples
. . . . . . . . . . . . . . . . . . . . . . . . 224
Configuring Network Information Using the
OOB Port
. . . . . . . . . . . . . . . . . . . . . 224
Configuring Network Information Using the
Serial Interface
. . . . . . . . . . . . . . . . . . 226
8 Managing QSFP Ports . . . . . . . . . . . . . . 229
9 Stacking . . . . . . . . . . . . . . . . . . . . . . . . . 231
Stacking Overview. . . . . . . . . . . . . . . . . . . 231
Dell EMC Networking N1124-ON/N1148-ON,
N1500, N2000, N2100-ON, N3000, N3100-ON,
and N4000 Stacking Compatibility
. . . . . . . . 236
How is the Stack Master Selected?
. . . . . . . 236
Adding a Switch to the Stack
. . . . . . . . . . . 237
Removing a Switch from the Stack . . . . . . . . 238
How is the Firmware Updated on the Stack?
. . . 239
What is Stacking Standby?
. . . . . . . . . . . . 239
What is Nonstop Forwarding? . . . . . . . . . . 240
Switch Stack MAC Addressing and Stack
Design Considerations
. . . . . . . . . . . . . . 243
NSF Network Design Considerations. . . . . . . 243
Why is Stacking Needed?
. . . . . . . . . . . . 244
Default Stacking Values
. . . . . . . . . . . . . . . . 244
Managing and Monitoring the Stack (Web). . . . . . 246
Unit Configuration
. . . . . . . . . . . . . . . . . 246
Stack Summary . . . . . . . . . . . . . . . . . . 247
Stack Firmware Synchronization
. . . . . . . . . 248
Contents 13
Supported Switches . . . . . . . . . . . . . . . . 249
Stack Port Summary
. . . . . . . . . . . . . . . . 250
Stack Port Counters . . . . . . . . . . . . . . . . 251
Stack Port Diagnostics
. . . . . . . . . . . . . . . 251
NSF Summary
. . . . . . . . . . . . . . . . . . . . 252
Checkpoint Statistics . . . . . . . . . . . . . . . . 253
Managing the Stack (CLI) . . . . . . . . . . . . . . . . 254
Configuring Stack Member, Stack Port, and
NSF Settings
. . . . . . . . . . . . . . . . . . . . 254
Viewing and Clearing Stacking and NSF
Information
. . . . . . . . . . . . . . . . . . . . . 256
Connecting to the Management Console
from a Stack Member . . . . . . . . . . . . . . . 257
Stacking and NSF Usage Scenarios
. . . . . . . . . . . 257
Basic Failover
. . . . . . . . . . . . . . . . . . . . 257
Preconfiguring a Stack Member
. . . . . . . . . . 259
NSF in the Data Center
. . . . . . . . . . . . . . . 261
NSF and VoIP
. . . . . . . . . . . . . . . . . . . . 262
NSF and DHCP Snooping
. . . . . . . . . . . . . . 263
NSF and the Storage Access Network. . . . . . . 264
NSF and Routed Access . . . . . . . . . . . . . . 266
10 Authentication, Authorization, and
Accounting . . . . . . . . . . . . . . . . . . . . . . 269
AAA Introduction . . . . . . . . . . . . . . . . . . . . 269
Methods
. . . . . . . . . . . . . . . . . . . . . . 270
Method Lists
. . . . . . . . . . . . . . . . . . . . 271
Access Lines
. . . . . . . . . . . . . . . . . . . . 272
Enabling SSH Access. . . . . . . . . . . . . . . . 273
Access Lines (AAA)
. . . . . . . . . . . . . . . . 274
Access Lines (Non-AAA)
. . . . . . . . . . . . . . 274
14 Contents
Authentication . . . . . . . . . . . . . . . . . . . . . 275
Authentication Types
. . . . . . . . . . . . . . . 275
Authentication Manager
. . . . . . . . . . . . . 276
Using RADIUS. . . . . . . . . . . . . . . . . . . 281
Using TACACS+ Servers to Control
Management Access
. . . . . . . . . . . . . . . 286
Authentication Examples
. . . . . . . . . . . . . 288
Public Key SSH Authentication Example
. . . . . 296
Associating a User With an SSH Key
. . . . . . . 304
Authorization
. . . . . . . . . . . . . . . . . . . . . . 306
Exec Authorization Capabilities
. . . . . . . . . . 306
Authorization Examples
. . . . . . . . . . . . . . 308
RADIUS Change of Authorization
. . . . . . . . . 310
TACACS Authorization . . . . . . . . . . . . . . 314
Accounting . . . . . . . . . . . . . . . . . . . . . . . 318
RADIUS Accounting
. . . . . . . . . . . . . . . 318
IEEE 802.1X
. . . . . . . . . . . . . . . . . . . . . . . 320
What is IEEE 802.1X?
. . . . . . . . . . . . . . . 320
What are the 802.1X Port Authentication
Modes? . . . . . . . . . . . . . . . . . . . . . . 321
What is MAC-Based 802.1X Authentication?
. . . 322
What is the Role of 802.1X in VLAN
Assignment? . . . . . . . . . . . . . . . . . . . 323
What is Monitor Mode?
. . . . . . . . . . . . . . 326
How Does the Authentication Server Assign
DiffServ Policy? . . . . . . . . . . . . . . . . . . 327
What is the Internal Authentication Server?
. . . 328
Default 802.1X Values
. . . . . . . . . . . . . . . 328
Configuring IEEE 802.1X (Web) . . . . . . . . . . 329
Captive Portal . . . . . . . . . . . . . . . . . . . . . 354
Captive Portal Overview
. . . . . . . . . . . . . 354
Contents 15
Default Captive Portal Behavior and
Settings . . . . . . . . . . . . . . . . . . . . . . . 362
Configuring Captive Portal (Web)
. . . . . . . . . 364
Configuring Captive Portal (CLI)
. . . . . . . . . . 382
Captive Portal Configuration Example . . . . . . . 388
In Case Of Problems in Captive Portal
Deployment
. . . . . . . . . . . . . . . . . . . . . 392
11 Monitoring and Logging System
Information . . . . . . . . . . . . . . . . . . . . . . 393
System Monitoring Overview . . . . . . . . . . . . . . 393
What System Information Is Monitored?
. . . . . . 393
Why Is System Information Needed? . . . . . . . 394
Where Are Log Messages Sent?
. . . . . . . . . . 394
What Are the Severity Levels?
. . . . . . . . . . . 395
What Are the System Startup and Operation
Logs?
. . . . . . . . . . . . . . . . . . . . . . . . 395
What Is the Log Message Format? . . . . . . . . . 396
What Factors Should Be Considered When
Configuring Logging?
. . . . . . . . . . . . . . . . 397
Default Log Settings
. . . . . . . . . . . . . . . . . . . 398
Monitoring System Information and Configuring
Logging (Web)
. . . . . . . . . . . . . . . . . . . . . . 399
Device Information
. . . . . . . . . . . . . . . . . 399
System Health
. . . . . . . . . . . . . . . . . . . 401
System Resources
. . . . . . . . . . . . . . . . . 402
Unit Power Usage History
. . . . . . . . . . . . . 403
Integrated Cable Test for Copper Cables. . . . . . 404
Optical Transceiver Diagnostics
. . . . . . . . . . 405
Log Global Settings
. . . . . . . . . . . . . . . . . 407
RAM Log . . . . . . . . . . . . . . . . . . . . . . 408
Log File
. . . . . . . . . . . . . . . . . . . . . . . 409
16 Contents
Syslog Server . . . . . . . . . . . . . . . . . . . 409
Email Alert Global Configuration
. . . . . . . . . 412
Email Alert Mail Server Configuration . . . . . . 412
Email Alert Subject Configuration
. . . . . . . . 414
Email Alert To Address Configuration
. . . . . . 415
Email Alert Statistics . . . . . . . . . . . . . . . 416
Monitoring System Information and Configuring
Logging (CLI)
. . . . . . . . . . . . . . . . . . . . . . 417
Viewing System Information and Enabling
the Locator LED
. . . . . . . . . . . . . . . . . . 417
Running Cable Diagnostics
. . . . . . . . . . . . 417
Configuring Local Logging . . . . . . . . . . . . 419
Configuring Remote Logging . . . . . . . . . . . 420
Configuring Mail Server Settings . . . . . . . . . 421
Configuring Email Alerts for Log Messages . . . 422
Logging Configuration Examples
. . . . . . . . . . . 424
Configuring Local and Remote Logging
. . . . . 424
Configuring Email Alerting
. . . . . . . . . . . . 426
12 Managing General System Settings . . . 429
System Settings Overview . . . . . . . . . . . . . . . 429
Why Does System Information Need to Be
Configured?
. . . . . . . . . . . . . . . . . . . . 431
What Are SDM Templates?. . . . . . . . . . . . 431
Why is the System Time Needed?
. . . . . . . . 434
How Does SNTP Work?
. . . . . . . . . . . . . . 434
What Configuration Is Required for Plug-In
Modules? . . . . . . . . . . . . . . . . . . . . . 435
Default General System Information
. . . . . . . . . 435
Configuring General System Settings (Web) . . . . . 436
Contents 17
System Information . . . . . . . . . . . . . . . . . 436
CLI Banner
. . . . . . . . . . . . . . . . . . . . . 439
SDM Template Preference
. . . . . . . . . . . . . 440
Clock
. . . . . . . . . . . . . . . . . . . . . . . . 441
SNTP Global Settings. . . . . . . . . . . . . . . . 442
SNTP Authentication
. . . . . . . . . . . . . . . . 443
SNTP Server
. . . . . . . . . . . . . . . . . . . . 445
Summer Time Configuration
. . . . . . . . . . . . 448
Time Zone Configuration
. . . . . . . . . . . . . . 449
Card Configuration
. . . . . . . . . . . . . . . . . 450
Slot Summary
. . . . . . . . . . . . . . . . . . . . 451
Supported Cards . . . . . . . . . . . . . . . . . . 452
Power Over Ethernet Global Configuration
. . . . . 453
Power Over Ethernet Unit Configuration
. . . . . . 454
Power Over Ethernet Interface Configuration . . . 455
Configuring System Settings (CLI)
. . . . . . . . . . . . 457
Configuring System Information
. . . . . . . . . . 457
Configuring the Banner
. . . . . . . . . . . . . . . 458
Managing the SDM Template
. . . . . . . . . . . 459
Configuring SNTP Authentication and an
SNTP Server
. . . . . . . . . . . . . . . . . . . . 459
Setting the System Time and Date Manually
. . . . 461
Configuring the Expansion Slots (Dell EMC
Networking N3000/N3100-ON/N4000 Series Only)
. 462
Viewing Slot Information (Dell EMC Networking
N4000 Series Only) . . . . . . . . . . . . . . . . . 463
Configuring PoE Settings (Dell EMC Networking
N1108P-ON/ N1124P-ON/ N1148P-ON,
N1524P/N1548P, N2024P/N2048P/N2128PX-ON,
N3024P/N3048P/N3132PX-ON Only) . . . . . . . . 463
General System Settings Configuration Examples
. . . 465
Configuring System and Banner Information
. . . 465
Configuring SNTP
. . . . . . . . . . . . . . . . . . 468
Configuring the Time Manually
. . . . . . . . . . . 470
18 Contents
13 SNMP . . . . . . . . . . . . . . . . . . . . . . . . . . . 471
SNMP Overview . . . . . . . . . . . . . . . . . . . . 471
What Is SNMP?
. . . . . . . . . . . . . . . . . . 471
What Are SNMP Traps?
. . . . . . . . . . . . . 472
Why Is SNMP Needed?
. . . . . . . . . . . . . . 473
Default SNMP Values
. . . . . . . . . . . . . . . . . 473
Configuring SNMP (Web)
. . . . . . . . . . . . . . . 475
SNMP Global Parameters
. . . . . . . . . . . . 475
SNMP View Settings
. . . . . . . . . . . . . . . 476
Access Control Group
. . . . . . . . . . . . . . 478
SNMPv3 User Security Model (USM) . . . . . . 480
Communities
. . . . . . . . . . . . . . . . . . . 483
Notification Filter
. . . . . . . . . . . . . . . . . 485
Notification Recipients . . . . . . . . . . . . . . 486
Trap Flags . . . . . . . . . . . . . . . . . . . . . 488
OSPFv2 Trap Flags
. . . . . . . . . . . . . . . . 489
OSPFv3 Trap Flags
. . . . . . . . . . . . . . . . 490
Trap Log. . . . . . . . . . . . . . . . . . . . . . 491
Configuring SNMP (CLI) . . . . . . . . . . . . . . . . 493
Configuring the SNMPv3 Engine ID
. . . . . . . . 493
Configuring SNMP Views, Groups, and
Users . . . . . . . . . . . . . . . . . . . . . . . 494
Configuring Communities
. . . . . . . . . . . . . 497
Configuring SNMP Notifications (Traps and
Informs) . . . . . . . . . . . . . . . . . . . . . . 499
SNMP Configuration Examples
. . . . . . . . . . . . 502
Configuring SNMPv1 and SNMPv2
. . . . . . . . 502
Configuring SNMPv3
. . . . . . . . . . . . . . . 503
Contents 19
14 Images and File Management . . . . . . . . 507
Image and File Management Overview . . . . . . . . . 507
What Files Can Be Managed?
. . . . . . . . . . . 507
Why Is File Management Needed?
. . . . . . . . . 509
What Methods Are Supported for File
Management? . . . . . . . . . . . . . . . . . . . 512
What Factors Should Be Considered When
Managing Files?
. . . . . . . . . . . . . . . . . . 513
How Is the Running Configuration Saved? . . . . . 515
N3000 Dual Images. . . . . . . . . . . . . . . . . . . . 516
Access Router/Switch Role
. . . . . . . . . . . . 516
Aggregation Router Role . . . . . . . . . . . . . . 517
Managing Images and Files (Web) . . . . . . . . . . . 518
File System
. . . . . . . . . . . . . . . . . . . . . 518
Active Images . . . . . . . . . . . . . . . . . . . 519
USB Flash Drive. . . . . . . . . . . . . . . . . . . 520
File Download
. . . . . . . . . . . . . . . . . . . . 521
File Upload
. . . . . . . . . . . . . . . . . . . . . 523
Copy Files . . . . . . . . . . . . . . . . . . . . . . 525
Managing Images and Files (CLI)
. . . . . . . . . . . . 526
Downloading and Activating a New Image
(TFTP)
. . . . . . . . . . . . . . . . . . . . . . . . 527
Managing Files in Internal Flash . . . . . . . . . . 528
Managing Files on a USB Flash Device . . . . . . 529
Uploading a Configuration File (SCP)
. . . . . . . . 530
Managing Configuration Scripts (SFTP)
. . . . . . 531
File and Image Management Configuration
Examples
. . . . . . . . . . . . . . . . . . . . . . . . . 532
Upgrading the Firmware
. . . . . . . . . . . . . . 532
Managing Configuration Scripts . . . . . . . . . . 535
20 Contents
Managing Files by Using the USB Flash
Drive. . . . . . . . . . . . . . . . . . . . . . . . 537
15 DHCP and USB Auto-Configuration . . . . 539
Auto Configuration Overview . . . . . . . . . . . . . 539
What Is USB Auto Configuration?
. . . . . . . . 540
What Files Does USB Auto Configuration
Use? . . . . . . . . . . . . . . . . . . . . . . . . 540
How Does USB Auto Configuration Use the
Files on the USB Device?
. . . . . . . . . . . . . 541
What Is the Setup File Format? . . . . . . . . . . 543
What Is the DHCP Auto Configuration
Process?
. . . . . . . . . . . . . . . . . . . . . 543
Monitoring and Completing the DHCP Auto
Configuration Process . . . . . . . . . . . . . . 549
What Are the Dependencies for DHCP Auto
Configuration? . . . . . . . . . . . . . . . . . . 550
Default Auto Configuration Values . . . . . . . . . . 551
Managing Auto Configuration (Web)
. . . . . . . . . 552
Auto-Install Configuration
. . . . . . . . . . . . 552
Managing Auto Configuration (CLI)
. . . . . . . . . . 553
Managing Auto Configuration
. . . . . . . . . . 553
Auto Configuration Example . . . . . . . . . . . . . . 554
Enabling USB Auto Configuration and Auto
Image Download
. . . . . . . . . . . . . . . . . 554
Enabling DHCP Auto Configuration and Auto
Image Download
. . . . . . . . . . . . . . . . . 555
Easy Firmware Upgrade via USB . . . . . . . . . 557
/