Ubiquiti ES-24-250W Instruction Manual

User Interface for PoE Switches
Models: ES-24-250W, ES-24-500W,
ES-48-500W, ES-48-750W Administration Guide

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Table of Contents
About This Document ..........................................................7
Purpose and Audience............................................................7
Document Organization ..........................................................7
Products and Models .............................................................7
Related Documents ..............................................................8
Typographical Conventions.......................................................8
Chapter 1: Getting Started ......................................................9
Connecting the Switch to the Network ............................................9
Understanding the User Interfaces ................................................9
Using the EdgeSwitch UI ......................................................9
Accessing the UI ...........................................................9
EdgeSwitch UI Page Layout................................................10
Device View...............................................................10
Navigation Menu..........................................................11
Configuration and Status Fields............................................12
Table Filtering.............................................................14
Help Page Access .........................................................14
User-Defined Fields .......................................................14
Using the Command-Line Interface ...........................................15
Chapter 2: Configuring Power over Ethernet...............................16
Chapter 3: Configuring System Information................................18
Viewing ARP Cache..............................................................19
Viewing Inventory Information ..................................................20
Viewing the Dual Image Status ..................................................21
Viewing System Resources.......................................................22
System Resource Status ......................................................22
System Resource Configuration...............................................23
Defining General Device Information ............................................24
System Description...........................................................25
IP Address Conflict Detection.................................................26
Network Port IPv6 Neighbors .................................................29
DHCP Client Options .........................................................30
Secure HTTP Configuration ...................................................31
SSH Configuration............................................................32
Authentication Server Users ..................................................36
Logged in Sessions ...........................................................38

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Accounting Selection.........................................................40
Authentication Selection .....................................................43
Last Password Result .........................................................47
Denial of Service Configuration...............................................48
CLI Banner Configuration.....................................................50
Basic Switch Configuration ......................................................51
Switch Configuration .........................................................51
Managing Logs..................................................................52
Log Configuration............................................................52
Buffered Log .................................................................54
Event Log ....................................................................55
Logging Hosts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Syslog Source Interface Configuration ........................................57
Persistent Log ................................................................58
Configuring Email Alerts .........................................................59
Email Alert Global Configuration..............................................59
Email Alert Server Configuration..............................................60
Email Alert Statistics ..........................................................61
Email Alert Subject Configuration.............................................62
Email Alert To Address Configuration .........................................63
Viewing Device Port Information.................................................64
Port Summary................................................................64
Port Description..............................................................66
Cable Test ....................................................................67
Mirroring.....................................................................68
Configuring a Port Mirroring Session ......................................69
Configuring Port Mirroring Source Ports ...................................69
Configuring the Port Mirroring Destination ................................70
Defining SNMP Parameters ......................................................71
SNMP v1 and v2 ..............................................................71
SNMP v3 .....................................................................71
SNMP Community Configuration .............................................72
SNMP v1/v2 Trap Receivers Configuration.....................................73
SNMP v3 Trap Receivers Configuration ........................................74
SNMP Access Control Group ..................................................75
SNMP User Security Model ...................................................76
SNMP Trap Source Interface Configuration ....................................77
Viewing System Statistics ........................................................79
Switch Detailed Statistics .....................................................79
Port Summary................................................................81
Port Detailed Statistics .......................................................82
Network Port DHCPv6 Client Statistics ........................................85

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Time-Based Group Statistics ..................................................86
Time-Based Flow Statistics ...................................................87
Time-Based Statistics ........................................................89
Using System Utilities............................................................90
System Reset.................................................................90
Ping .........................................................................90
TraceRoute...................................................................93
IP Address Conflict Detection.................................................94
Uploading Files ...........................................................96
Downloading Files ........................................................97
AutoInstall ......................................................................98
Managing SNMP Traps......................................................... 100
System Trap Log............................................................ 100
System Trap Flags .......................................................... 101
Managing the DHCP Server.................................................... 102
DHCP Server Global Configuration.......................................... 102
DHCP Server Pool Configuration ............................................ 103
DHCP Server Pool Options.................................................. 104
DHCP Server Bindings Information.......................................... 106
DHCP Server Statistics...................................................... 107
DHCP Server Conflicts Information.......................................... 108
Configuring Time Ranges...................................................... 109
Time Range Configuration.................................................. 109
Time Range Entry Configuration ............................................ 110
Configuring DNS .............................................................. 112
DNS Global Configuration .................................................. 112
DNS IP Mapping Configuration ............................................. 113
DNS Source Interface Configuration ........................................ 114
Configuring SNTP Settings..................................................... 115
SNTP Global Configuration ................................................. 116
SNTP Global Status ......................................................... 117
SNTP Server Configuration ................................................. 118
SNTP Server Status ......................................................... 119
Configuring the Time Zone .................................................... 121
Time Zone Configuration ................................................... 122
Summer Time Configuration................................................ 123
Chapter 4: Configuring Switching Information .......................... 125
Managing VLANs .............................................................. 126
VLAN Status................................................................ 126
VLAN Port Configuration ................................................... 127
VLAN Port Summary........................................................ 128

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VLAN Internal Usage ....................................................... 129
Reset VLAN Configuration .................................................. 130
Managing Voice VLANs ........................................................ 131
Voice VLAN Configuration .................................................. 131
Voice VLAN Interface Summary ............................................. 131
Creating MAC Filters........................................................... 133
MAC Filter Configuration ................................................... 133
GARP Configuration ........................................................... 134
GARP Switch Configuration................................................. 134
Configuring DHCP Snooping .................................................. 136
Global DHCP Snooping Configuration ...................................... 136
DHCP Snooping Static Bindings ............................................ 139
DHCP Snooping Dynamic Bindings ......................................... 140
DHCP Snooping Persistent Configuration ................................... 141
DHCP Snooping Statistics .................................................. 142
Configuring IGMP Snooping ................................................... 143
Global Configuration and Status ............................................ 143
Interface Configuration..................................................... 144
IGMP Snooping Source Specific Multicast ................................... 145
IGMP Snooping VLAN Status................................................ 146
IGMP Snooping Multicast Router Configuration ............................. 147
IGMP Snooping Multicast Router VLAN Status............................... 148
IGMP Snooping Multicast Router VLAN Configuration ....................... 149
Configuring IGMP Snooping Querier ........................................... 150
IGMP Snooping Querier Configuration...................................... 150
VLAN Configuration ........................................................ 151
IGMP Snooping Querier VLAN Status ....................................... 152
Creating Port Channels ........................................................ 153
Port Channel Summary ..................................................... 153
Port Channel Statistics...................................................... 155
Viewing Multicast Forwarding Database Information ........................... 156
Multicast Forwarding Database Summary................................... 156
Multicast Forwarding Database GMRP Table ................................ 157
Configuring Protected Ports ................................................... 159
Configuring Spanning Tree Protocol ........................................... 160
Spanning Tree Switch Configuration ........................................ 160
Spanning Tree CST Configuration........................................... 161
Spanning Tree CST Port Configuration ...................................... 163
Spanning Tree MST Configuration .......................................... 165
Spanning Tree MST Port Configuration...................................... 167
Spanning Tree Statistics .................................................... 169

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Configuring Port Security ...................................................... 171
Port Security Global Administration......................................... 171
Port Security Interface Status ............................................... 172
Port Security Statically Configured MAC Addresses.......................... 173
Port Security Dynamically Learned MAC Addresses.......................... 174
Managing LLDP ............................................................... 175
LLDP Global Configuration ................................................. 175
LLDP Interface Configuration ............................................... 176
LLDP Local Device Summary................................................ 177
Remote Device Summary................................................... 178
LLDP Statistics ............................................................. 179
LLDP-MED. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
LLDP-MED Global Configuration ............................................ 181
LLDP-MED Local Device Information ........................................ 183
LLDP-MED Remote Device Information ..................................... 184
Chapter 5: Configuring Routing............................................. 186
Configuring ARP............................................................... 187
ARP Table .................................................................. 188
ARP Table Configuration.................................................... 189
Configuring Global IP Settings ................................................. 190
Routing IP Configuration ................................................... 190
Routing IP Interface Summary .............................................. 192
Routing IP Interface Configuration.......................................... 194
Routing IP Statistics ........................................................ 196
Router ........................................................................ 199
Route Table ................................................................ 199
Configured Routes ......................................................... 200
Adding a Static Route ................................................... 200
Configuring Policy-Based Routing ............................................. 202
Chapter 6: Managing Device Security ..................................... 203
Port Access Control............................................................ 203
Global Port Access Control Configuration ................................... 204
Port Access Control Port Summary ......................................... 205
Port Access Control Port Configuration ..................................... 207
Port Access Control Port Details. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Port Access Control Statistics ............................................... 212
Port Access Control Client Summary ........................................ 214
Port Access Control Privileges Summary .................................... 215
Port Access Control History Log Summary .................................. 216

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RADIUS Settings............................................................... 217
RADIUS Configuration ...................................................... 217
RADIUS Named Server Status............................................... 218
RADIUS Server Statistics .................................................... 219
RADIUS Accounting Server Status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
RADIUS Accounting Server Statistics ........................................ 221
RADIUS Clear Statistics ..................................................... 222
RADIUS Source Interface Configuration ..................................... 223
TACACS+ Settings ............................................................. 224
TACACS+ Configuration .................................................... 224
TACACS+ Server Summary.................................................. 225
TACACS+ Server Configuration ............................................. 226
TACACS+ Source Interface Configuration ................................... 227
Chapter 7: Configuring QualityofService ................................ 228
Configuring Access Control Lists ............................................... 229
IP Access Control Lists ...................................................... 229
Access Control List Summary ............................................... 230
Access Control List Configuration ........................................... 231
Access Control List Interface Summary...................................... 235
Access Control List VLAN Summary ......................................... 236
Configuring Auto VoIP ......................................................... 237
Auto VoIP Global Configuration............................................. 237
OUI Table Summary ........................................................ 238
OUI Based Auto VoIP ....................................................... 239
Protocol Based Auto VoIP .................................................. 240
Configuring Class of Service ................................................... 242
CoS IP DSCP Mapping Configuration........................................ 242
CoS Interface Queue Configuration ......................................... 245
CoS Interface Queue Drop Precedence Configuration ....................... 246
Configuring Diffserv ........................................................... 247
Diffserv Global Configuration and Status.................................... 247
Diffserv Class Summary..................................................... 248
Diffserv Class Configuration ................................................ 249
Diffserv Policy Summary.................................................... 252
Diffserv Policy Configuration ............................................... 253
Diffserv Service Summary .................................................. 255
Diffserv Service Performance Statistics...................................... 256
Diffserv Policy Performance Statistics ....................................... 257

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Appendix A: Configuration Examples ..................................... 258
Configuring VLANs ............................................................ 258
Using the EdgeSwitch UI to Configure VLANs ............................... 258
Using the CLI to Configure VLANs........................................... 260
Configuring Multiple Spanning Tree Protocol .................................. 261
Using the Web UI to Configure MSTP........................................ 261
Using the CLI to Configure MSTP............................................ 263
Configuring VLAN Routing..................................................... 264
Using the CLI to Configure VLAN Routing ................................... 264
Configuring Policy-Based Routing ............................................. 266
Configuring Policy-Based Routing Using the CLI............................. 266
Configuring 802.1X Network Access Control ................................... 269
Using the CLI to Configure 802.1X Port-Based Access Control................ 269
Configuring Differentiated Services for VoIP.................................... 270
Using the CLI to Configure DiffServ VoIP Support ........................... 270
Appendix B: Contact Information .......................................... 272
Ubiquiti Networks Support .................................................... 272
Online Resources........................................................... 272

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About This DocumentEdgeSwitch™Administration Guide
Ubiquiti Networks, Inc.
About This Document
This section contains the following information about this document:
• “Purpose and Audience” on page 8
• “Document Organization” on page 8
• “Products and Models” on page 8
• “Related Documents” on page 9
• “Typographical Conventions” on page 9
• “Typographical Conventions” on page 9
Purpose and Audience
This guide describes how to configure the EdgeSwitch software features using the browser-based
EdgeSwitch user interface (UI). The information in this guide is intended for system administrators who are
responsible for configuring and operating a network using EdgeSwitch devices.
To obtain the greatest benefit from this guide, you should have an understanding of the base software
and should have read the specification for your networking device platform. You should also have basic
knowledge of Ethernet and networking concepts.
Document Organization
This guide contains the following sections:
• “Chapter 1: Getting Started” on page 10 contains information about performing the initial system
configuration and accessing the user interface.
• “Chapter 3: Configuring System Information” on page 19 describes how to configure administrative
features such as SNMP, system users, and port information.
• “Chapter 4: Configuring Switching Information” on page 126 describes how to manage and monitor
the Layer-2 switching features.
• “Chapter 5: Configuring Routing” on page 187 describes how to configure the Layer-3 routing features .
• “Chapter 6: Managing Device Security” on page 204 contains information about configuring switch
security information such as port access control, TACACS+, and RADIUS server settings.
• “Chapter 7: Configuring QualityofService” on page 229 describes how to manage the EdgeSwitch
software ACLs, and how to configure the Differentiated Services and Class of Service features.
• “Appendix A: Configuration Examples” on page 259 describes how to configure selected features on
the switch using either the EdgeSwitch UI, command-line interface, and/or Simple Network Management
Protocol (SNMP).
Products and Models
This document covers the following Ubiquiti products and models:
Affected Products
Name Description Part Number
EdgeSwitch 48-port 750W Managed PoE+ Gigabit Switch with SFP+ ES-48-750W
EdgeSwitch 48-port 500W Managed PoE+ Gigabit Switch with SFP+ ES-48-500W
EdgeSwitch 24-port 500W Managed PoE+ Gigabit Switch with SFP ES-24-500W
EdgeSwitch 24-port 250W Managed PoE+ Gigabit Switch with SFP ES-24-250W

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Related Documents
• EdgeSwitch CLI Command Reference
• EdgeSwitch Quick Start Guide
For additional information, refer to the EdgeSwitch community website: community.ubnt.com/edgemax
Typographical Conventions
The following table lists typographical conventions used throughout this document.
Typographical Conventions
Convention Indicates Example
Bold User selection
User-entered text
Select VLAN 2 from the VLAN ID list; Click Submit
enter 3to assign VLAN 3 as the default VLAN
Italic Name of a field
Name of UI page, dialog box, window, etc.
delete the existing name in the Username field
Use the IP Address Conflict Detection page
>Order of navigation selections to access a page To access the Session page, click System > Users > Session
Courier font CLI commands and their output show network

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Getting StartedEdgeSwitch™Administration Guide
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Chapter 1: Getting Started
This chapter describes how to start the switch and access the user interface. It contains the following
sections:
• “Connecting the Switch to the Network” on page 10
• “Understanding the User Interfaces” on page 10
Connecting the Switch to the Network
For detailed instructions on how to connect the EdgeSwitch to your network, refer to the Quick Start Guide
that came with the switch.
Understanding the User Interfaces
The EdgeSwitch software includes a set of comprehensive management functions for configuring and
monitoring the system using the following methods:
• EdgeSwitch User Interface (UI)
• Command-Line Interface (CLI)
Each of the standards-based management methods allows you to configure and monitor the components
of the EdgeSwitch UI. The method you use to manage the system depends on your network size and
requirements, and on your preference.
This guide describes how to use the EdgeSwitch UI to manage and monitor the system. For information
about how to manage and monitor the system by using the CLI, see the EdgeSwitch CLI Command Reference.
Using the EdgeSwitch UI
This section describes how to use the EdgeSwitch UI.
Accessing the UI
To access the switch using a web browser, the browser must meet the following software requirements:
• HTML version 4.0, or later
• HTTP version 1.1, or later
• JavaScript® version 1.5, or later
Use the following procedures to log into the EdgeSwitch UI:
1. Open a web browser and enter the IP address of the switch in the web browser address field. The login
screen appears, as shown in the following illustration.
EdgeSwitch UI Login Screen
2. Type the User Name and Password into the fields on the login screen, and then click Login.
The user name and password are the same as those you use to log on to the command-line interface. By
default, the user name is ubnt, and the password is ubnt. Passwords are case-sensitive.

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3. If this is your first login to the UI, read the license agreement. Then, click the I agree to the terms of this
License Agreement check box and click Log In.
4. After the system authenticates you, the System Description page is displayed.
EdgeSwitch UI Page Layout
The following illustration shows the layout of a page in the EdgeSwitch UI. Each UI page contains three main
areas: the device view, the navigation menu, and the configuration and status fields. Each page also provides
buttons that let you perform operations on the displayed information, access a context-specific help page, or
log out of the system.
Device View Logout ButtonNavigation Menu
Configuration and Status Fields Command Button Help Page Access
EdgeSwitch UI Page Layout
Device View
The Device View shown in the illustration below is a Java® applet that displays the ports on the switch. This
graphic at the top of each UI page provides an alternate way to navigate to port-related configuration and
monitoring options. The graphic also provides information about device ports, current configuration and
status, table information, and feature components.
Example of Device View (24-Port Models)
In the Device View, colors indicate status information:
• Gray indicates that the port link is down.
• Amber indicates that the port link is up at 100 Mbps.
• Green indicates that the port link is up at 1 Gbps.
• A white dot indicates PoE output.

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To obtain additional information on the ports:
• Click any port to display the Port Description page (System > Port > Description on the navigation menu).
• Right-click any port to display a menu with links to the following port configuration-related pages:
• PoE (PoE > PoE Configuration)
• Port Summary (System > Port > Summary)
• Port Description (System > Port > Description)
• Port Cable Test (System > Port > Cable Test)
• Multiple Port Mirroring (System Port Mirroring)
• Port Summary Statistics (System > Statistics > System > Port Summary)
• Port Detailed Statistics (System > Statistics > System > Port Detailed)
• Hover over any port to display status information for that port, as shown in the following illustration.
Example of Information Displayed by Hovering over a Port
Navigation Menu
The navigation menu, located at the top right of each UI page, lists the device’s main features: PoE, System,
Switching, Routing, Security, and QoS. You can access each feature’s UI pages using a series of cascading
menus.
To access an individual UI page, click the corresponding feature tab in the navigation menu to display a
menu of subcategories. Select a subcategory and repeat this process until you see the desired page, and
then select the page to display it in the main window.
For example, the following illustration shows how to access the IPv6 Network Connectivity page: first, select
the main feature (System tab); then, the appropriate subcategory (Connectivity); and finally, the desired
page (IPv6).
Navigation Menu View – System Tab Submenu
Each menu option (subcategory or page name) that you select is highlighted (the color changes to a lighter
shade of gray). When you select a page, the navigation menus and submenus are again hidden, and the
selected page appears in the main window.

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In addition to the navigation menu, you can use the tabs at the top left of each page to quickly navigate
among related pages. For example, from the System Resource Configuration page, simply click the ARP Cache
or Resource Status tabs to display those pages without having to access the navigation menu, as shown in the
following illustration.
Page Selection Tabs
Page Selection Tabs on System Resource Configuration Page
Configuration and Status Fields
The main area of the screen displays fields that you use to configure the switch and monitor its status.
Configuration options allow you to input information using text input boxes, or make selections from drop-
down boxes, radio buttons, and check boxes. Status fields display read-only information related to the switch
and its configuration.
Radio buttons
Check box
Status fields Drop-down box
Text input field
Example of Configuration and Status Fields

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Command Buttons
Many UI pages also contain command buttons. These buttons, which typically appear at the bottom of a
page but can also appear in the configuration and status field area, are labeled with either text or icons. The
following table lists the common command buttons found throughout the UI pages.
Common Command Buttons
Button Text1, 2 Icon Function
Add Adds a new entry to a table.
Clear –Removes all entries from a table, resets statistical counters to the default value, or clears all the statistics
counters and resets all switch summary and detailed statistics to default values.
Delete Removes the selected entry from the running configuration.
Download Downloads data.
Edit Changes an existing entry.
Generate Generates a security certificate, key, etc.
Initialize Resets the 802.1X state machine on the associated interface to the initialization state.
Logout –Ends the session.
Re-Authenticate Forces the associated interface to restart the authentication process.
Refresh Refreshes the page with the most current information, or refreshes the DHCP lease.
Remove –Deletes the selected entries.
Reset Resets a field to its default value.
Submit –Sends the updated configuration to the switch. Configuration changes take effect immediately, but
changes are not retained across a power cycle unless you save them to the system configuration file.
IMPORTANT: To retain changes across a power cycle (reboot), you must save the configuration to
non-volatile memory, by navigating to System > Configuration Storage > Save and clicking Save.
Upload Uploads data.
1This is either the text label on a button, or the text that appears when hovering over a button labeled with an icon.
2Button names may include additional text, such as: Add Vendor Option, Clear Entries, Remove Last Rule, etc.
Table Sorting
All tables on UI pages can be sorted by columns. By default, the information in a table is sorted in ascending
order, using the leftmost column as primary sort. To change the default sort order, click the heading above
the column you want to sort the table by. Successive clicks on the heading toggle between ascending and
descending order.
For example, the following illustration shows the Event Log page in its default sort order (sorted by Log Index).
To sort the table entries (rows) by the Event Time field, simply click the Event Time heading.
Click to sort by Event Time
Column Headings in Table

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Table Filtering
This feature allows you to specify a filter that limits which rows are displayed in a table. This is useful to
reduce the contents of a long table to a specific set of items or even one particular item. To use this feature,
type a string of one or more characters into the Filter field at the upper-right corner of the table, as shown in
the following illustration. If any field of a table row contains a match for the filter string, that row is displayed
in the table. Matching is not case-sensitive.
Enter filter string here
Filtering the Contents of a Table
Help Page Access
The Help icon appears in the upper right corner of each UI page (see the illustration “EdgeSwitch UI Page
Layout” on page 11). Click the Help icon to open a new page with information on the various fields and
command buttons on the active page. Online help pages are context-sensitive – the help topic is specific to
the active page.
Help Icon
User-Defined Fields
User-defined fields can contain 1-159 characters, unless otherwise noted on the configuration UI page.
All characters may be used except for the following (unless specifically noted in the feature’s Help page):
\ < / > * | ?

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Using the Command-Line Interface
The command-line interface (CLI) is a text-based way to manage and monitor the system. You can access the
CLI by using a direct serial connection or by using a remote logical connection with Telnet or SSH.
The CLI groups commands into modes according to the command function. Each of the command modes
supports specific software commands. The commands in one mode are not available until you switch to
that particular mode, with the exception of the User EXEC mode commands. You can execute the User EXEC
mode commands in the Privileged EXEC mode.
To display the commands available in the current mode, enter a question mark (?) at the command prompt.
To display the available command keywords or parameters, enter a question mark (?) after each word you
type at the command prompt. If there are no additional command keywords or parameters, or if additional
parameters are optional, the following message appears in the output:
<cr> Press Enter to execute the command
For more information about the CLI, see the EdgeSwitch CLI Command Reference Guide.
The EdgeSwitch CLI Command Reference lists each command available from the CLI by the command name
and provides a brief description of the command. Each command reference also contains the following
information:
• The command keywords and the required and optional parameters.
• The command mode you must be in to access the command.
• The default value, if any, of a configurable setting on the device.
Each show command in this document also includes a description of the information displayed by the
command.

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Configuring Power over EthernetEdgeSwitch™Administration Guide
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Chapter 2: Configuring Power over Ethernet
Use the PoE feature menu to display and configure the switch’s Power over Ethernet (PoE) settings. The PoE
tab contains links to the following features:
• “Configuring PoE” on page 17
Configuring PoE
This page displays information about the PoE settings on the switch’s interfaces and allows you to configure
those settings.
To access the Power Over Ethernet page, click PoE > PoE Configuration in the navigation menu.
Power Over Ethernet
Power Over Ethernet Fields
Field Description
Interface The interface (slot/port) for which PoE information is displayed.
PoE Mode The PoE mode on the interface:
• Off PoE is disabled for the interface.
• 54V auto Standard PoE/PoE+ (802.3af/at) with auto-sensing is enabled for the interface.
• 24V passive Passive 24V PoE output is enabled for the interface.
Note: The 24V passive setting causes power to be output immediately with no auto-sensing. Before
applying the 24V passive setting, ensure that the connected device can accept passive 24V PoE power.
The following fields apply only to interfaces whose PoE mode is set to 54V auto:
PoE Output The interface’s current PoE output power in W
Current The interface’s current output current in mA
Voltage The interface’s current output voltage in V

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Use the buttons to perform the following tasks:
• To edit an interface’s PoE settings, select the interface, click Edit, and make the changes as needed. Then,
click Submit to apply the settings.
• Click Refresh to refresh the page with the most current data from the switch.
To retain the changes across the switch’s next power cycle, click System > Configuration Storage > Save.

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Chapter 3: Configuring System Information
Use the features in the System feature menu to define the switch’s relationship to its environment. The
System folder contains links to the following features:
• “Viewing ARP Cache” on page 20
• “Viewing Inventory Information” on page 21
• “Viewing the Dual Image Status” on page 22
• “Viewing System Resources” on page 23
• “Defining General Device Information” on page 25
• “Basic Switch Configuration” on page 52
• “Managing Logs” on page 53
• “Configuring Email Alerts” on page 60
• “Viewing Device Port Information” on page 65
• “Defining SNMP Parameters” on page 72
• “Viewing System Statistics” on page 80
• “Using System Utilities” on page 91
• “Managing SNMP Traps” on page 101
• “Managing the DHCP Server” on page 103
• “Configuring Time Ranges” on page 110
• “Configuring DNS” on page 113
• “Configuring SNTP Settings” on page 116