D-Link xStack User manual

CLI Reference Guide
ProductModel: xStack® DGS-3600 Series
Layer3 ManagedGigabitEthernetSwitch
Release2.8

TABLE OF CONTENTS
INTRODUCTION ....................................................................................................................................................................1
USING THE CONSOLE CLI...................................................................................................................................................3
COMMAND SYNTAX.............................................................................................................................................................6
BASIC SWITCH COMMANDS...............................................................................................................................................8
BASIC IP COMMANDS........................................................................................................................................................22
BPDU TUNNELING COMMANDS.......................................................................................................................................28
802.1X COMMANDS............................................................................................................................................................31
ACCESS AUTHENTICATION CONTROL COMMANDS....................................................................................................52
ACCESS CONTROL LIST (ACL) COMMANDS..................................................................................................................73
ACL FLOW METERING COMMANDS ................................................................................................................................84
ADDRESS RESOLUTION PROTOCOL (ARP) COMMANDS ............................................................................................89
ARP SPOOFING PREVENTION COMMANDS...................................................................................................................93
BORDER GATEWAY PROTOCOL (BGP) DEBUG COMMANDS .....................................................................................95
BORDER GATEWAY PROTOCOL (BGP) COMMANDS .................................................................................................111
BPDU ATTACK PROTECTION COMMANDS ..................................................................................................................156
CABLE DIAGNOSTICS COMMAND LIST ........................................................................................................................160
COMMAND HISTORY LIST...............................................................................................................................................162
COMMAND LOGGING COMMANDS................................................................................................................................165
COMPOUND AUTHENTICATION COMMANDS...............................................................................................................167
CONFIGURATION COMMANDS.......................................................................................................................................174
COUNTER COMMANDS ...................................................................................................................................................179
DEBUG COMMANDS ........................................................................................................................................................183
DHCP LOCAL RELAY COMMANDS ................................................................................................................................189
DHCP RELAY COMMANDS..............................................................................................................................................191
DHCP SERVER SCREENING COMMANDS.....................................................................................................................201
DHCP SERVER COMMANDS...........................................................................................................................................205
DHCPV6 CLIENT COMMANDS.........................................................................................................................................220
DHCPV6 RELAY COMMANDS .........................................................................................................................................223
DHCPV6 SERVER COMMANDS.......................................................................................................................................229
D-LINK SINGLE IP MANAGEMENT COMMANDS...........................................................................................................241
D-LINK UNIDIRECTIONAL LINK DETECTION (DULD) COMMANDS............................................................................252
DOMAIN NAME SERVER (DNS)RELAY COMMANDS....................................................................................................254
DOMAIN NAME SYSTEM (DNS) RESOLVER COMMANDS...........................................................................................258
DVMRP COMMANDS ........................................................................................................................................................263
ETHERNET RING PROTECTION SWITCHING (ERPS) COMMANDS............................................................................268
FILTER DATABASE (FDB) COMMANDS.........................................................................................................................278
FLASH FILE SYSTEM (FFS) COMMANDS ......................................................................................................................285
GRATUITOUS ARP COMMANDS.....................................................................................................................................291
IEEE 802.1Q VLAN COMMANDS .....................................................................................................................................295
IEEE 802.1QINQ COMMANDS..........................................................................................................................................305
IGMP AND MLD SNOOPING COMMANDS......................................................................................................................310

INTERNET GROUP MANAGEMENT PROTOCOL (IGMP) COMMANDS .......................................................................329
IP DIRECTED BROADCAST COMMANDS ......................................................................................................................334
IP MULTICASTING COMMANDS......................................................................................................................................336
IP ROUTE FILTER COMMANDS.......................................................................................................................................338
IP-MAC-PORT BINDING (IMPB) COMMANDS ................................................................................................................349
IPV6 NEIGHBOR DISCOVER COMMANDS.....................................................................................................................365
IPV6 ROUTE COMMANDS................................................................................................................................................371
IPV6 TUNNEL COMMANDS..............................................................................................................................................374
JAPANESE WEB-BASED ACCESS CONTROL (JWAC) COMMANDS .........................................................................380
JUMBO FRAME COMMANDS ..........................................................................................................................................398
LIMITED IP MULTICAST ADDRESS COMMANDS..........................................................................................................400
LINK AGGREGATION COMMANDS.................................................................................................................................407
LINK LAYER DISCOVERY PROTOCOL (LLDP) COMMANDS.......................................................................................412
LOOPBACK INTERFACE COMMANDS...........................................................................................................................428
LOOPBACK INTERFACE COMMANDS...........................................................................................................................432
MAC NOTIFICATION COMMANDS ..................................................................................................................................435
MAC-BASED ACCESS CONTROL COMMANDS............................................................................................................439
MESSAGE-DIGEST ALGORITHM 5 (MD5) COMMANDS ...............................................................................................452
MIRROR COMMANDS.......................................................................................................................................................455
MSTP DEBUG ENHANCEMENT COMMANDS................................................................................................................460
IGMP SNOOPING MULTICAST (ISM) VLAN COMMANDS.............................................................................................467
MULTIPLE SPANNING TREE PROTOCOL (MSTP) COMMANDS .................................................................................472
NETWORK LOAD BALANCING (NLB) COMMANDS......................................................................................................483
OPEN SHORTEST PATH FIRST (OSPFV3) COMMANDS ..............................................................................................486
OSPF COMMANDS ...........................................................................................................................................................500
OSPF DEBUG ENHANCEMENT COMMANDS ................................................................................................................517
PASSWORD ENCRYPTION COMMANDS .......................................................................................................................534
PING COMMANDS ............................................................................................................................................................538
POLICY ROUTE COMMANDS..........................................................................................................................................542
PORT SECURITY COMMANDS........................................................................................................................................545
PROTOCOL INDEPENDENT MULTICAST (PIM) COMMANDS......................................................................................548
PROTOCOL VLAN GROUP COMMANDS........................................................................................................................564
QUALITY OF SERVICE (QOS) COMMANDS...................................................................................................................569
REMOTE COPY PROTOCOL (RCP) COMMANDS..........................................................................................................582
REMOTE SWITCHED PORT ANALYZER (RSPAN) COMMANDS..................................................................................593
RIPNG COMMANDS..........................................................................................................................................................599
ROUTING INFORMATION PROTOCOL (RIP) COMMANDS...........................................................................................604
SAFEGUARD ENGINE COMMANDS ...............................................................................................................................607
SECURE SHELL (SSH) COMMANDS ..............................................................................................................................610
SECURE SOCKETS LAYER (SSL) COMMANDS............................................................................................................616
SFLOW COMMANDS ........................................................................................................................................................621
SIMPLE NETWORK MANAGEMENT PROTOCOL (SNMP) COMMANDS .....................................................................630

STACKING COMMANDS ..................................................................................................................................................643
STATIC MAC-BASED VLAN COMMANDS ......................................................................................................................648
STATIC MULTICAST ROUTE COMMANDS.....................................................................................................................650
SUBNET VLAN COMMANDS............................................................................................................................................652
SUPER VLAN COMMANDS..............................................................................................................................................656
SWITCH PORT COMMANDS............................................................................................................................................660
SYSLOG OR TRAP SOURCE-INTERFACE COMMANDS ..............................................................................................666
SYSTEM LOG COMMANDS..............................................................................................................................................669
TECHNICAL SUPPORT COMMANDS..............................................................................................................................680
TELNET CLIENT COMMANDS.........................................................................................................................................683
TFTP CLIENT COMMANDS ..............................................................................................................................................684
TIME AND SNTP COMMANDS.........................................................................................................................................689
TIME RANGE COMMANDS...............................................................................................................................................695
TRACE ROUTE COMMANDS...........................................................................................................................................697
TRAFFIC CONTROL COMMANDS...................................................................................................................................700
TRAFFIC SEGMENTATION COMMANDS........................................................................................................................704
TRUSTED HOST COMMANDS.........................................................................................................................................706
UNICAST ROUTE COMMANDS........................................................................................................................................708
UTILIZATION COMMANDS...............................................................................................................................................722
VLAN TRUNKING COMMANDS .......................................................................................................................................725
VRRP DEBUG COMMANDS.............................................................................................................................................728
VRRP COMMANDS ...........................................................................................................................................................734
WEB-BASED ACCESS CONTROL (WAC) COMMANDS................................................................................................740
PASSWORD RECOVERY COMMANDS...........................................................................................................................750
TECHNICAL SPECIFICATIONS........................................................................................................................................751

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1
INTRODUCTION
The Switch can be managed through the Switch’s serial port, Telnet, or the Web-based management agent. The
Command Line Interface (CLI) can be used to configure and manage the Switch via the serial port or Telnet interfaces.
The DGS-3600 Layer 3 stackable Gigabit Ethernet switch series are members of the D-Link xStack® family. Ranging
from 10/100Mbps edge switches to core gigabit switches, the xStack® switch family has been future-proof designed to
provide a stacking architecture with fault tolerance, flexibility, port density, robust security and maximum throughput with
a user-friendly management interface for the networking professional.
This manual provides a reference for all of the commands contained in the CLI for the xStack® DGS-3612, DGS-3612G,
DGS-3627, DGS-3627G, DGS-3627, DGS-3627G and DGS-3650 series of switches. Configuration and management of
the Switch via the Web-based management agent is discussed in the User’s Guide.
NOTE: For the remainder of this manual, all versions of the DGS-3612, DGS-3612G, DGS-3627, DGS-
3627G, DGS-3627, DGS-3627G and DGS-3650 switches will be referred to as simply the Switch or the
DGS-3627.
Accessing the Switch via the Serial Port
The Switch’s serial port’s default settings are as follows:
1. 115200 baud
2. no parity
3. 8 data bits
4. 1 stop bit
A computer running a terminal emulation program capable of emulating a VT-100 terminal and a serial port configured as
above is then connected to the Switch’s serial port via an RS-232 DB-9 cable.
With the serial port properly connected to a management computer, the following screen should be visible. If this screen
does not appear, try pressing Ctrl+r o refresh the console screen.
DGS-3627 Gigabit Ethernet Switch
Command Line Interface
Firmware: Build 2.80.B31
Copyright(C) 2010 D-Link Corporation. All rights reserved.
UserName:
Figure 1-1. Initial CLI screen
There is no initial username or password. Just press the Enter key twice to display the CLI input cursor −DGS-
3627:admin# . This is the command line where all commands are input.
Setting the Switch’s IP Address
Each Switch must be assigned its own IP Address, which is used for communication with an SNMP network manager or
other TCP/IP application (for example BOOTP, TFTP). The Switch’s default IP address is 10.90.90.90. You can change
the default Switch IP address to meet the specification of your networking address scheme.

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The Switch is also assigned a unique MAC address by the factory. This MAC address cannot be changed, and can be
found on the initial boot console screen – shown below.
Boot Procedure 1.10-B09
-----------------------------------------------------------------------------
Power On Self Test ...................................... 100 %
MAC Address : 00-19-5B-F5-26-C0
H/W Version : 1A1G
Please wait, loading V2.80.B31 Runtime image ............ 100 %
UART init ............................................... 100 %
Device Discovery ........................................ -
Figure 1-2. Boot screen
The Switch’s MAC address can also be found in the Web management program on the Switch Information (Basic
Settings) window in the Configuration menu.
The IP address for the Switch must be set before it can be managed with the Web-based manager. The Switch IP
address can be automatically set using BOOTP or DHCP protocols, in which case the actual address assigned to the
Switch must be known.
The IP address may be set using the Command Line Interface (CLI) over the console serial port as follows:
1. Starting at the command line prompt, enter the commands config ipif System ipaddress
xxx.xxx.xxx.xxx/yyy.yyy.yyy.yyy. Where the x’s represent the IP address to be assigned to the IP interface
named System and the y’s represent the corresponding subnet mask.
2. Alternatively, you can enter config ipif System ipaddress xxx.xxx.xxx.xxx/z. Where the x’s represent the IP
address to be assigned to the IP interface named System and the zrepresents the corresponding number of
subnets in CIDR notation.
The IP interface named System on the Switch can be assigned an IP address and subnet mask which can then be used
to connect a management station to the Switch’s Telnet or Web-based management agent.
DGS-3627:admin# config ipif System ipaddress 10.24.22.200/255.0.0.0
Command: config ipif System ipaddress 10.24.22.200/8
Success.
DGS-3627:admin#
Figure 1-3. Assigning an IP Address
In the above example, the Switch was assigned an IP address of 10.24.22.200 with a subnet mask of 255.0.0.0. The
system message Success indicates that the command was executed successfully. The Switch can now be configured
and managed via Telnet, SNMP MIB browser and the CLI or via the Web-based management agent using the above IP
address to connect to the Switch.

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2
USING THE CONSOLE CLI
The Switch supports a console management interface that allows the user to connect to the Switch’s management agent
via a serial port and a terminal or a computer running a terminal emulation program. The console can also be used over
the network using the TCP/IP Telnet protocol. The console program can be used to configure the Switch to use SNMP-
based network management software over the network.
This chapter describes how to use the console interface to access the Switch, change its settings, and monitor its
operation.
NOTE: Switch configuration settings are saved to non-volatile RAM using the save command. The current
configuration will then be retained in the Switch’s NV-RAM, and reloaded when the Switch is rebooted. If
the Switch is rebooted without using the save command, the last configuration saved to NV-RAM will be
loaded.
Connecting to the Switch
The console interface is used by connecting the Switch to a VT100-compatible terminal or a computer running an
ordinary terminal emulator program (e.g., the HyperTerminal program included with the Windows operating system)
using an RS-232C serial cable. Your terminal parameters will need to be set to:
•VT-100 compatible
•115200 baud
•8 data bits
•No parity
•One stop bit
•No flow control
Users can also access the same functions over a Telnet interface. Once an IP address has been set for the Switch, users
can use a Telnet program (in VT-100 compatible terminal mode) to access and control the Switch. All of the screens are
identical, whether accessed from the console port or from a Telnet interface.
After the Switch reboots and you have logged in, the console looks like this:
DGS-3627 Gigabit Ethernet Switch
Command Line Interface
Firmware: Build 2.80.B31
Copyright(C) 2010 D-Link Corporation. All rights reserved.
UserName:
PassWord:
DGS-3627:admin# _
Figure 2- 1. Initial Console Screen after logging in
Commands are entered at the command prompt, DGS-3627:admin# .
There are a number of helpful features included in the CLI. Entering the ?command will display a list of all of the top-
level commands.

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DGS-3627:admin# ?
Command: ?
..
?
cable_diag ports
cd
clear
clear address_binding dhcp_snoop binding_entry ports
clear address_binding nd_snoop binding_entry ports
clear arptable
clear attack_log
clear bgp
clear bgp dampening
clear bgp flap_statistics
clear counters
clear dhcp_binding
clear dhcpv6 binding
clear fdb
clear ip prefix_list counter
clear jwac auth_state
clear log
clear mac_based_access_control auth_state
clear port_security_entry port
clear wac auth_state
CTRL+C ESC qQuit SPACE nNext Page Enter Next Entry aAll
Figure 2- 2. The ? Command
When users enter a command without its required parameters, the CLI will prompt a Next possible completions:
message.
DGS-3627:admin# config account
Command: config account
Next possible completions:
<username>
DGS-3627:admin#
Figure 2- 3. Example Command Parameter Help
In this case, the command config account was entered with the parameter <username>. The CLI will then prompt to
enter the <username> with the message, Next possible completions:. Every command in the CLI has this feature, and
complex commands have several layers of parameter prompting.
In addition, after typing any given command plus one space, all of the next possible sub-commands can be seen, in
sequential order, by repeatedly pressing the Tab key.
To re-enter the previous command at the command prompt, press the up arrow cursor key. The previous command will
appear at the command prompt.
DGS-3627:admin# config account
Command: config account
Next possible completions:
<username>
DGS-3627:admin# config account
Figure 2- 4. Using the Up Arrow to Re-enter a Command

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In the above example, the command config account was entered without the required parameter <username>, the CLI
returned the Next possible completions: <username> prompt. The up arrow cursor control key was pressed to re-
enter the previous command (config account) at the command prompt. Now the appropriate username can be entered
and the config account command re-executed.
All commands in the CLI function in this way. In addition, the syntax of the help prompts are the same as presented in this
manual −angle brackets < > indicate a numerical value or character string, braces { } indicate optional parameters or a
choice of parameters, and brackets [ ] indicate required parameters.
If a command is entered that is unrecognized by the CLI, the top-level commands will be displayed under the Available
commands: prompt.
DGS-3627:admin# the
Available commands:
.. ? cable_diag cd
clear config copy create
debug delete dir disable
download enable erase login
logout no ping ping6
reboot reconfig rename reset
save show telnet traceroute
traceroute6 upload
DGS-3627:admin#
Figure 2- 5. Available Commands
The top-level commands consist of commands such as show or config. Most of these commands require one or more
parameters to narrow the top-level command. This is equivalent to show what? or config what? Where the what? is the
next parameter.
For example, if you enter the create command with no additional parameters, the CLI will then display all of the possible
next parameters.
DGS-3627:admin# create
Command: create
Next possible completions:
802.1x access_profile account address_binding
arpentry authen authen_enable authen_login
authentication bgp cpu dhcp
dhcpv6 dot1v_protocol_group double_vlan
erps fdb host_name igmp_snooping
ip ip_tunnel ipif ipmroute
iproute ipv6 ipv6route jwac
link_aggregation loopback mac_based_access_control
mac_based_access_control_local mac_based_vlan md5
mirror multicast_fdb multicast_range nlb
ospf ospfv3 pim policy_route
route route_map rspan sflow
snmp stp subnet_vlan super_vlan
syslog trusted_host vlan vlan_translation
vrrp wac
DGS-3627:admin#
Figure 2- 6. Next possible completions: Create command
In the above example, all of the possible next parameters for the create command are displayed.

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3
COMMAND SYNTAX
The following symbols are used to describe how command entries are made and values and arguments are specified in
this manual. The online help contained in the CLI and available through the console interface uses the same syntax.
NOTE: All commands are case-sensitive. Be sure to disable Caps Lock or any other unwanted
function that changes text case.
<angle brackets>
Purpose Encloses a variable or value that must be specified.
Syntax create ipif <ipif_name 12> <network_address> (<ip_addr/netmask>) <vlan_name 32>
{secondary | state [enable | disable]}
Description In the above syntax example, users must supply an IP interface name in the <ipif_name>
space, a VLAN name in the <vlan_name 32> space, and the network address, including the
netmask, in the <network_address> (<ip_addr/netmask>) space. Do not type the angle
brackets.
Example Command create ipif Engineering 10.24.22.5/255.0.0.0 Design
[square brackets]
Purpose Encloses a required value or set of required arguments. One value or argument can be
specified.
Syntax create account [admin | operator | user] <username 15>
Description In the above syntax example, users must specify the admin, operator, or user level account to
be created. Do not type the square brackets.
Example Command create account admin ctsnow
| vertical bar
Purpose Separates two or more mutually exclusive items in a list, one of which must be entered.
Syntax create account [admin | operator |user] <username 15>
Description In the above syntax example, you must specify the admin, operator, or user level account to
be created. Do not type the backslash.
Example Command create account admin ctsnow
{braces}
Purpose Encloses an optional value or set of optional arguments.

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{braces}
Syntax reset {[config | system]}
Description In the above syntax example, users have the option to specify config or system. It is not
necessary to specify either optional value, however the effect of the system reset is dependent
on which, if any, value is specified. Therefore, with this example there are three possible
outcomes of performing a system reset. See the following chapter, Basic Commands for more
details about the reset command.
Example command reset config
Line Editing Key Usage
Delete Deletes the character under the cursor and then shifts the remaining characters in the line to the
left.
Backspace Deletes the character to the left of the cursor and then shifts the remaining characters in the line
to the left.
Left Arrow Moves the cursor to the left.
Right Arrow Moves the cursor to the right.
Up Arrow Repeats the previously entered command. Each time the up arrow is pressed, the command
previous to that displayed appears. This way it is possible to review the command history for the
current session. Use the down arrow to progress sequentially forward through the command
history list.
Down Arrow The down arrow will display the next command in the command history entered in the current
session. This displays each command sequentially as it was entered. Use the up arrow to
review previous commands.
Tab Shifts the cursor to the next field to the left.
Multiple Page Display Control Keys
Space Displays the next page.
CTRL+c Stops the display of remaining pages when multiple pages are to be displayed.
ESC Stops the display of remaining pages when multiple pages are to be displayed.
n Displays the next page.
p Displays the previous page.
q Stops the display of remaining pages when multiple pages are to be displayed.
r Refreshes the pages currently displayed.
a Displays the remaining pages without pausing between pages.
Enter Displays the next line or table entry.

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4
BASIC SWITCH COMMANDS
The basic switch commands in the Command Line Interface (CLI) are listed (with the appropriate parameters) in the
following table.
Command Parameters
create account [admin | operator | user] <username 15>
config account <username> {encrypt [plain_text| sha_1] <password>}
show account
delete account <username> {<string>}
show session
show switch
show serial_port
config serial_port {baud_rate [9600 | 19200 | 38400 | 115200] auto_logout [never | 2_minutes |
5_minutes | 10_minutes | 15_minutes]}
enable clipaging
disable clipaging
enable telnet {<tcp_port_number 1-65535>}
disable telnet
telnet [<ipaddr> | <domain_name 255>] {tcp_port <value 0-65535>}
enable web {<tcp_port_number 1-65535>}
disable web
save {[config {<drive_id>} <pathname 64> | log | all]}
reboot {<string>}
reset {[config |system]} {<string>}
login
logout
show device_status
config command_prompt [<string 16> | username | default]
config greeting_message {default}
show greeting_message
Each command is listed, in detail, in the following sections.

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create account
Purpose Used to create user accounts.
Syntax create account [admin | operator | user] <username 15>
Description The create account command is used to create user accounts that consist of a username of 1to
15 characters and a password of 0to 15 characters. Up to eight user accounts can be created.
Parameters admin <username 15> –Enter a name between 1 and 15 alphanumeric characters to define the
administrator account created here.
operator <username 15> –Enter a name between 1and 15 alphanumeric characters to define the
operator account created here.
user <username 15> –Enter a name between 1and 15 alphanumeric characters to define the
user account created here.
Restrictions Only Administrator-level users can issue this command.
Example usage:
To create an administrator-level user account with the username “dlink”.
DGS-3627:admin# create account admin dlink
Command: create account admin dlink
Enter a case-sensitive new password:****
Enter the new password again for confirmation:****
Success.
DGS-3627:admin#
To create an operator-level user account with the username “frazier”.
DGS-3627:admin# create account operator frazier
Command: create account operator frazier
Enter a case-sensitive new password:****
Enter the new password again for confirmation:****
Success.
DGS-3627:admin#
To create a user-level user account with the username “reed”.
DGS-3627:admin# create account user reed
Command: create account user reed
Enter a case-sensitive new password:****
Enter the new password again for confirmation:****
Success.
DGS-3627:admin#

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config account
Purpose Used to configure user accounts.
Syntax config account <username> {encrypt [plain_text| sha_1] <password>}
Description The config account command configures a user account that has been created using the
create account command.
Parameters <username> –Enter a name between 1and 15 alphanumeric characters to define the
administrator account to configure here.
encrypt - Select the encrypted form of password.
plain_text - Passwords should be between 0 and 15 characters.
sha_1 - Passwords should be fixed to 35 bytes long.
<password> - The password for the user account.
Restrictions Only Administrator-level users can issue this command.
Example usage:
To configure the user password of “dlink” account:
DGS-3627:admin# config account dlink
Command: config account dlink
Enter a old password:****
Enter a case-sensitive new password:****
Enter the new password again for confirmation:****
Success.
DGS-3627:admin#
show account
Purpose Used to display user accounts
Syntax show account
Description Displays all user accounts created on the Switch. Up to eight user accounts can exist at one
time.
Parameters None.
Restrictions Only Administrator-level users can issue this command.
Example usage:
To display the accounts that have been created:
DGS-3627:admin# show account
Command: show account
Current Accounts:
Username Access Level
--------------- ------------
dlink Admin
DGS-3627:admin#

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delete account
Purpose Used to delete an existing user account.
Syntax delete account <username> {<string>}
Description The delete account command deletes a user account that has been created using the
create account command.
Parameters <username>
<string> – Enter an alphanumeric string of up to 15 characters to define the username.
Restrictions Only Administrator-level users can issue this command.
Example usage:
To delete the user account “System”:
DGS-3627:admin# delete account System
Command: delete account System
Are you sure to delete the last administrator account?(y/n)y
Success.
DGS-3627:admin#
show session
Purpose Used to display a list of currently logged-in users.
Syntax show session
Description This command displays a list of all the users that are logged-in at the time the command is
issued.
Parameters None
Restrictions None.
Example usage:
To display the way that the users logged in:
DGS-3627:admin# show session
Command: show session
ID Live Time From Level Name
-- --------- ------------ ----- -----------
8 03:36:27 Serial Port 5 Anonymous
Total Entries: 1
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show switch
Purpose Used to display general information about the Switch.
Syntax show switch
Description This command displays information about the Switch.
Parameters None.
Restrictions None.
Example usage:
To display the Switch’s information:
DGS-3627:admin# show switch
Command: show switch
Device Type : DGS-3627 Gigabit Ethernet Switch
MAC Address : 00-1C-F0-B5-40-00
IP Address : 10.24.73.21 (Manual)
VLAN Name : default
Subnet Mask : 255.0.0.0
Default Gateway : 0.0.0.0
Boot PROM Version : Build 1.10-B09
Firmware Version : Build 2.80.B31
Hardware Version : A1
Serial Number : P4F7191000001
System Name :
System Location :
System Contact :
Spanning Tree : Disabled
GVRP : Disabled
IGMP Snooping : Disabled
MLD Snooping : Disabled
RIP : Disabled
DVMRP : Disabled
PIM : Disabled
OSPF : Disabled
TELNET : Enabled (TCP 23)
CTRL+C ESC qQuit SPACE nNext Page pPrevious Page rRefresh
show serial_port
Purpose Used to display the current serial port settings.
Syntax show serial_port
Description This command displays the current serial port settings.
Parameters None.
Restrictions None
Example usage:
To display the serial port setting:

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DGS-3627:admin# show serial_port
Command: show serial_port
Baud Rate : 115200
Data Bits : 8
Parity Bits : None
Stop Bits : 1
Auto-Logout : 10 mins
DGS-3627:admin#
config serial_port
Purpose Used to configure the serial port.
Syntax config serial_port {baud_rate [9600 | 19200 | 38400 | 115200] | auto_logout [never | 2_minutes |
5_minutes | 10_minutes | 15_minutes]}
Description This command is used to configure the serial port’s baud rate and auto logout settings.
Parameters baud_rate [9600 | 19200 | 38400 | 115200] −The serial bit rate that will be used to communicate with
the management host. There are four options: 9600, 19200, 38400, and 115200.
never −No time limit on the length of time the console can be open with no user input.
2_minutes −The console will log out the current user if there is no user input for 2minutes.
5_minutes −The console will log out the current user if there is no user input for 5minutes.
10_minutes −The console will log out the current user if there is no user input for 10 minutes.
15_minutes −The console will log out the current user if there is no user input for 15 minutes.
Restrictions Only Administrator and Operator-level users can issue this command.
Example usage:
To configure baud rate:
DGS-3627:admin# config serial_port baud_rate 115200
Command: config serial_port baud_rate 115200
Success.
DGS-3627:admin#
enable clipaging
Purpose Used to pause the scrolling of the console screen when the show command displays more
than one page.
Syntax enable clipaging
Description This command is used when issuing the show command which causes the console screen to
rapidly scroll through several pages. This command will cause the console to pause at the
end of each page. The default setting is enabled.
Parameters None.
Restrictions Only Administrator and Operator-level users can issue this command.
Example usage:
To enable pausing of the screen display when the show command output reaches the end of the page:

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DGS-3627:admin# enable clipaging
Command: enable clipaging
Success.
DGS-3627:admin#
disable clipaging
Purpose Used to disable the pausing of the console screen scrolling at the end of each page when the
show command displays more than one screen of information.
Syntax disable clipaging
Description This command is used to disable the pausing of the console screen at the end of each page
when the show command would display more than one screen of information.
Parameters None.
Restrictions Only Administrator and Operator-level users can issue this command.
Example usage:
To disable pausing of the screen display when show command output reaches the end of the page:
DGS-3627:admin# disable clipaging
Command: disable clipaging
Success.
DGS-3627:admin#
enable telnet
Purpose Used to enable communication with and management of the Switch using the Telnet
protocol.
Syntax enable telnet {<tcp_port_number 1-65535>}
Description This command is used to enable the Telnet protocol on the Switch. The user can specify the
TCP or UDP port number the Switch will use to listen for Telnet requests.
Parameters {<tcp_port_number 1-65535>} −The TCP port number. TCP ports are numbered between 1
and 65535. The “well-known” TCP port for the Telnet protocol is 23.
Restrictions Only Administrator and Operator-level users can issue this command.
Example usage:
To enable Telnet and configure port number:
DGS-3627:admin# enable telnet 23
Command: enable telnet 23
Success.
DGS-3627:admin#

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disable telnet
Purpose Used to disable the Telnet protocol on the Switch.
Syntax disable telnet
Description This command is used to disable the Telnet protocol on the Switch.
Parameters None.
Restrictions Only Administrator and Operator-level users can issue this command.
Example usage:
To disable the Telnet protocol on the Switch:
DGS-3627:admin# disable telnet
Command: disable telnet
Success.
DGS-3627:admin#
telnet
Purpose Used to login remote system with telnet protocol.
Syntax telnet [<ipaddr> | <domain_name 255>] {tcp_port <value 0-65535>}
Description This command is used to login remote system with Telnet protocol on the Switch.
Parameters <ipaddr> – Specify the IP address of telnet server system
<domain_name 255> - Specify the domain name used.
tcp_port – The TCP port number. TCP ports are numbered between 1 and 65535. The “
well-known”TCP port for the Telnet protocol is 23.
Restrictions Only Administrator and Operator-level users can issue this command.
Example usage:
To login to the remote system using telnet on the Switch:
DGS-3627:admin# telnet 10.0.0.8
Command: telnet 10.0.0.8
Success.
DGS-3627:admin#

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enable web
Purpose Used to enable the HTTP-based management software on the Switch.
Syntax enable web {<tcp_port_number 1-65535>}
Description This command is used to enable the Web-based management software on the Switch. The
user can specify the TCP port number the Switch will use to listen for Telnet requests.
Parameters {<tcp_port_number 1-65535>} −The TCP port number. TCP ports are numbered between 1
and 65535. The “well-known” port for the Web-based management software is 80.
Restrictions Only Administrator and Operator-level users can issue this command.
Example usage:
To enable HTTP and configure port number:
DGS-3627:admin# enable web 80
Command: enable web 80
Note: SSL will be disabled if web is enabled.
Success.
DGS-3627:admin#
disable web
Purpose Used to disable the HTTP-based management software on the Switch.
Syntax disable web
Description This command disables the Web-based management software on the Switch.
Parameters None.
Restrictions Only Administrator and Operator-level users can issue this command.
Example usage:
To disable HTTP:
DGS-3627:admin# disable web
Command: disable web
Success.
DGS-3627:admin#