D-Link xStack DGS-3620 Series User manual

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch CLI Reference Guide
II
Table of Contents
Chapter 1 Using the Command Line Interface.............................................................................1
Chapter 2 Basic Management Commands..................................................................................9
Chapter 3 802.1X Commands....................................................................................................32
Chapter 4 Access Authentication Control (AAC) Commands....................................................57
Chapter 5 Access Control List (ACL) Commands....................................................................100
Chapter 6 Access Control List (ACL) Egress Commands.......................................................128
Chapter 7 ARP Commands......................................................................................................147
Chapter 8 ARP Spoofing Prevention Commands....................................................................154
Chapter 9 Asymmetric VLAN Commands................................................................................156
Chapter 10 Auto Configuration Commands...............................................................................158
Chapter 11 Bidirectional Forwarding Detection (BFD) Commands...........................................160
Chapter 12 Border Gateway Protocol (BGP) Commands .........................................................165
Chapter 13 BPDU Attack Protection Commands.......................................................................224
Chapter 14 Cable Diagnostics Commands................................................................................229
Chapter 15 CFM Commands.....................................................................................................232
Chapter 16 Command List History Commands .........................................................................268
Chapter 17 Command Logging Commands ..............................................................................271
Chapter 18 Common Unicast Routing Commands....................................................................273
Chapter 19 Compound Authentication Commands ...................................................................287
Chapter 20 Debug Software Commands...................................................................................297
Chapter 21 DHCP Local Relay Commands...............................................................................368
Chapter 22 DHCP Relay Commands ........................................................................................372
Chapter 23 DHCP Server Commands.......................................................................................390
Chapter 24 DHCP Server Screening Commands......................................................................413
Chapter 25 DHCPv6 Relay Commands.....................................................................................425
Chapter 26 DHCPv6 Server Commands...................................................................................432
Chapter 27 Digital Diagnostic Monitoring (DDM) Commands ...................................................447
Chapter 28 Distance Vector Multicast Routing Protocol (DVMRP) Commands........................454
Chapter 29 D-Link License Management System (DLMS) Commands ....................................460
Chapter 30 Domain Name System (DNS) Relay Commands ...................................................462
Chapter 31 Domain Name System (DNS) Resolver Commands ..............................................467
Chapter 32 DoS Attack Prevention Commands.........................................................................474
Chapter 33 D-Link Unidirectional Link Detection (DULD) Commands ......................................478
Chapter 34 Ethernet Ring Protection Switching (ERPS) Commands........................................480
Chapter 35 Energy Efficient Ethernet (EEE) Commands ..........................................................489
Chapter 36 External Alarm Commands .....................................................................................491
Chapter 37 FDB Commands......................................................................................................493

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Chapter 38 File System Management Commands....................................................................502
Chapter 39 Filter Commands.....................................................................................................512
Chapter 40 FTP Client Commands............................................................................................515
Chapter 41 Gratuitous ARP Commands....................................................................................523
Chapter 42 Internet Group Management Protocol (IGMP) Commands.....................................528
Chapter 43 IGMP Proxy Commands .........................................................................................536
Chapter 44 IGMP Snooping Commands ...................................................................................541
Chapter 45 IGMP Snooping Multicast (ISM) VLAN Commands................................................560
Chapter 46 IP Interface Commands ..........................................................................................571
Chapter 47 IP Multicasting Commands .....................................................................................581
Chapter 48 IP Route Filter Commands......................................................................................586
Chapter 49 IP Routing Commands............................................................................................605
Chapter 50 IP Tunnel Commands .............................................................................................618
Chapter 51 IPv6 NDP Commands.............................................................................................628
Chapter 52 IP-MAC-Port Binding (IMPB) Commands...............................................................636
Chapter 53 Japanese Web-based Access Control (JWAC) Commands...................................666
Chapter 54 Jumbo Frame Commands.......................................................................................690
Chapter 55 LACP Configuration Commands.............................................................................693
Chapter 56 Layer 2 Protocol Tunneling (L2PT) Commands......................................................695
Chapter 57 Limited Multicast IP Address Commands ...............................................................699
Chapter 58 Link Aggregation Commands..................................................................................708
Chapter 59 LLDP Commands....................................................................................................713
Chapter 60 LLDP Data Center Bridging Exchange Protocol (LLDP-DCBX) Commands..........736
Chapter 61 Loopback Detection Commands.............................................................................740
Chapter 62 Loopback Interface Commands ..............................................................................747
Chapter 63 MAC Notification Commands..................................................................................750
Chapter 64 MAC-based Access Control Commands ................................................................755
Chapter 65 MD5 Configuration Commands...............................................................................771
Chapter 66 Mirror Commands....................................................................................................774
Chapter 67 MLD Proxy Commands...........................................................................................780
Chapter 68 MLD Snooping Commands.....................................................................................785
Chapter 69 MLD Snooping Multicast (MSM) VLAN Commands ...............................................802
Chapter 70 Modify Login Banner and Prompt Commands........................................................813
Chapter 71 Multicast Listener Discovery (MLD) Commands.....................................................817
Chapter 72 Network Load Balancing (NLB) Commands ...........................................................822
Chapter 73 Network Management Commands..........................................................................828
Chapter 74 Network Monitoring Commands..............................................................................845
Chapter 75 OAM Commands.....................................................................................................866
Chapter 76 Open Shortest Path First (OSPF) Command List...................................................873
Chapter 77 OSPFv3 Commands ...............................................................................................895

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Chapter 78 Packet Storm Commands.......................................................................................914
Chapter 79 Password Recovery Commands.............................................................................920
Chapter 80 Protocol Independent Multicast (PIM) Commands .................................................923
Chapter 81 PIM6-SM Commands..............................................................................................941
Chapter 82 Policy Route Commands.........................................................................................965
Chapter 83 Port Security Commands........................................................................................969
Chapter 84 Power over Ethernet (PoE) Commands..................................................................977
Chapter 85 Power Saving Commands.......................................................................................982
Chapter 86 Precision Time Protocol (PTP) Commands............................................................988
Chapter 87 Priority Flow Control (PFC) Commands................................................................1006
Chapter 88 Protocol VLAN Commands ...................................................................................1010
Chapter 89 Quality of Service (QoS) Commands....................................................................1016
Chapter 90 Q-in-Q Commands................................................................................................1034
Chapter 91 Reboot Schedule Commands...............................................................................1047
Chapter 92 Routing Information Protocol (RIP) Commands....................................................1050
Chapter 93 RIPng Commands.................................................................................................1055
Chapter 94 RSPAN Commands...............................................................................................1060
Chapter 95 Safeguard Engine Commands..............................................................................1066
Chapter 96 Secure File Transfer Protocol (SFTP) Commands ...............................................1068
Chapter 97 sFlow Commands..................................................................................................1071
Chapter 98 Single IP Management Commands ......................................................................1082
Chapter 99 SNMPv1/v2/v3 Commands...................................................................................1091
Chapter 100 Spanning Tree Protocol (STP) commands...........................................................1110
Chapter 101 SSH Commands....................................................................................................1123
Chapter 102 SSL Commands....................................................................................................1135
Chapter 103 Stacking Commands.............................................................................................1142
Chapter 104 Static MAC-based VLAN Commands ...................................................................1150
Chapter 105 Static Multicast Route Commands........................................................................1153
Chapter 106 Subnet VLAN Commands.....................................................................................1156
Chapter 107 Super VLAN and Sub-VLAN Commands..............................................................1161
Chapter 108 Surveillance VLAN Commands.............................................................................1166
Chapter 109 Switch Port Commands.........................................................................................1172
Chapter 110 System Severity Commands.................................................................................1176
Chapter 111 Tech Support Commands .....................................................................................1178
Chapter 112 Time and SNTP Commands.................................................................................1181
Chapter 113 Traffic Segmentation Commands..........................................................................1188
Chapter 114 UDP Helper Commands........................................................................................1190
Chapter 115 Unicast Reverse Path Forwarding (URPF) Commands........................................1196
Chapter 116 Utility Commands..................................................................................................1201
Chapter 117 Virtual Router Redundancy Protocol (VRRP) Commands....................................1227

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Chapter 118 Voice VLAN Commands .......................................................................................1235
Chapter 119 VLAN Commands..................................................................................................1245
Chapter 120 VLAN Trunking Commands ..................................................................................1262
Chapter 121 Web-based Access Control (WAC) Commands...................................................1266
Chapter 122 Weighted Random Early Detection (WRED) Commands.....................................1281
Appendix A Password Recovery Procedure.............................................................................1288
Appendix B System Log Entries...............................................................................................1290
Appendix C Trap Entries...........................................................................................................1316
Appendix D RADIUS Attributes Assignment.............................................................................1324
Appendix E IETF RADIUS Attributes Support..........................................................................1327

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Chapter 1 Using the Command
Line Interface
The DGS-3620 Layer 3 stackable Gigabit Ethernet switch series are members of the D-Link
xStack® family. Ranging from 10/100/1000Mbps 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.
The Switch can be managed through the Switch’s serial port, Telnet, SNMP 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.
This manual provides a reference for all of the commands contained in the CLI. Every command
will be introduced in terms of purpose, format, description, parameters, and examples.
Configuration and management of the Switch via the Web-based management agent are
discussed in the Web UI Reference Guide. For detailed information on installing hardware please
also refer to the Harware Installation Guide.
1-1 Accessing the Switch via the Serial Port
The Switch’s serial port’s default settings are as follows:
•115200 baud
•no parity
•8 data bits
•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 RJ-45 to RS-
232 DB-9 convertor cable.
With the serial port properly connected to a management computer, the following screen should be
visible.
DGS-3620-28PC Gigabit Ethernet Switch
Command Line Interface
Firmware: Build 2.60.016
Copyright(C) 2013 D-Link Corporation. All rights reserved.
UserName:
There is no initial username or password. Just press the Enter key twice to display the CLI input
cursor −DGS-3620-28PC:admin#.This is the command line where all commands are input.

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1-2 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.
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 V1.00.016
-------------------------------------------------------------------------------
Power On Self Test ........................................ 100 %
MAC Address : 00-01-02-03-04-00
H/W Version : B1
Please Wait, Loading V2.60.016 Runtime Image .............. 100 %
UART init ................................................. 100 %
Starting runtime image
Device Discovery .......................................... 100 %
Configuration init ........................................ 100 %
Press any key to login...
The Switch’s MAC address can also be found in the Web management program on the Device
Information (Basic Settings) window on 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.
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.
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-3620-28PC:admin# config ipif System ipaddress 10.24.22.100/255.0.0.0
Command: config ipif System ipaddress 10.24.22.100/8
Success.
DGS-3620-28PC:admin#

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In the above example, the Switch was assigned an IP address of 10.24.22.100 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.
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.
DGS-3620-28PC:admin#?
Command: ?
..
?
cable_diag ports
cd
cfm dm
cfm linktrace
cfm lm
cfm lock md
cfm loopback
change drive
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 cfm dm
clear cfm lm
clear cfm pkt_cnt
clear counters
CTRL+C ESC qQuit SPACE nNext Page ENTER Next Entry aAll
When entering a command without its required parameters, the CLI will prompt you with a Next
possible completions: message.
DGS-3620-28PC:admin#config account
Command: config account
Next possible completions:
<username 15>
DGS-3620-28PC:admin#
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

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch CLI Reference Guide
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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, users can see all of the next possible
sub-commands, 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-3620-28PC:admin#config account
Command: config account
Next possible completions:
<username 15>
DGS-3620-28PC:admin#
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-3620-28PC:admin#the
Available commands:
.. ? cable_diag cd
cfm change clear config
copy create debug del
delete dir disable download
enable erase format install
login logout md move
no ping ping6 rd
reboot reconfig rename reset
save show telnet traceroute
traceroute6 upload
DGS-3620-28PC:admin#
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, entering the show command with no additional parameters, the CLI will then display
all of the possible next parameters.

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DGS-3620-28PC:admin#show
Command: show
Next possible completions:
802.1p 802.1x aaa access_profile
account accounting acct_client address_binding
arp_spoofing_prevention arpentry asymmetric_vlan
attack_log auth_client auth_diagnostics
auth_session_statistics auth_statistics authen
authen_enable authen_login authen_policy authentication
authorization autoconfig bandwidth_control bfd
bgp boot_file bpdu_protection
broadcast_ping_reply cfm command
command_history community_encryption config
cpu current_config ddm device_status
dhcp dhcp_local_relay dhcp_relay dhcp_server
dhcpv6 dhcpv6_relay dhcpv6_server dlms
dnsr dos_prevention dot1v_protocol_group
dscp duld dvmrp ecmp
egress_access_profile egress_flow_meter environment
erps error ethernet_oam external_alarm
fdb filter flow_meter gratuitous_arp
greeting_message gvrp hol_prevention host_name
igmp igmp_proxy igmp_snooping ip
ip_tunnel ipfdb ipif
ipif_ipv6_link_local_auto ipmc ipmroute
iproute ipv6 ipv6route jumbo_frame
jwac l2protocol_tunnel lacp_port led
limited_multicast_addr link_aggregation lldp
lldp_dcbx lldp_med log log_save_timing
log_software_module loopback loopdetect
mac_based_access_control mac_based_access_control_local
mac_based_vlan mac_notification max_mcast_group
mcast_filter_profile md5 mirror
mld mld_proxy mld_snooping multicast
multicast_fdb name_server nlb ospf
ospfv3 out_band_ipif packet password_recovery
per_queue pfc pim pim-ssm
pim6 poe policy_route port
port_group port_security port_security_entry
port_vlan ports power_saving private_vlan
ptp pvid qinq radius
rcp reboot rip ripng
rmon route route_map router_ports
rspan safeguard_engine scheduling
scheduling_mechanism serial_port session
sflow sftp sim snmp
sntp ssh ssl stack_device
stack_information stacking_mode storage_media_info
stp sub_vlan subnet_vlan super_vlan
surveillance_vlan switch syslog system_severity

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tacacs tech_support telnet terminal
tftp time time_range traffic
traffic_segmentation trap trusted_host
udp_helper utilization vlan vlan_precedence
vlan_translation vlan_translation_profile vlan_trunk
voice_vlan vrrp wac wred
DGS-3620-28PC:admin#
In the above example, all of the possible next parameters for the show command are displayed. At
the next command prompt, the up arrow was used to re-enter the show command, followed by the
account parameter. The CLI then displays the user accounts configured on the Switch.
1-3 Command Syntax Symbols
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.
Syntax
Description
angle brackets < >
Encloses a variable or value. Users must specify the variable or value.
For example, in the syntax
create ipif <ipif_name 12> {<network_address>} <vlan_name 32>
{secondary | state [enable | disable] | proxy_arp [enable | disable]
{local [enable | disable]}}
users must supply an IP interface name for <ipif_name 12> and a
VLAN name for <vlan_name 32> when entering the command. DO
NOT TYPE THE ANGLE BRACKETS.
square brackets [ ]
Encloses a required value or list of required arguments. Only one
value or argument must be specified. For example, in the syntax
create account [admin | operator | power_user | user] <username
15> {encrypt [plain_text | sha_1] <password>}
users must specify either the admin-, operator-, power_user-level or
user-level account when entering the command. DO NOT TYPE THE
SQUARE BRACKETS.
vertical bar |
Separates mutually exclusive items in a list. For example, in the syntax
reset {[config | system]} {force_agree}
users may choose config or system in the command. DO NOT TYPE
THE VERTICAL BAR.
braces { }
Encloses an optional value or a list of optional arguments. One or
more values or arguments can be specified. For example, in the syntax
reset {[config | system]} {force_agree}
users may choose config or system in the command. DO NOT TYPE
THE BRACES.

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parentheses ( )
Indicates at least one or more of the values or arguments in the
preceding syntax enclosed by braces must be specified. For example,
in the syntax
config dhcp_relay {hops <int 1-16> | time <sec 0-65535>}(1)
users have the option to specify hops or time or both of them. The "(1)"
following the set of braces indicates at least one argument or value
within the braces must be specified. DO NOT TYPE THE
PARENTHESES.
ipif <ipif_name 12>
metric <value 1-31>
12 means the maximum length of the IP interface name.
1-31 means the legal range of the metric value.
1-4 Line Editing Keys
Keys
Description
Delete
Delete character under cursor and shift remainder of line to left.
Backspace
Delete character to left of cursor and shift remainder of line to left.
CTRL+R
Toggle on and off. When toggled on, inserts text and shifts previous
text to 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.
Left Arrow
Move cursor to left.
Right Arrow
Move cursor to right
Tab
Help user to select appropriate token.
The screen display pauses when the show command output reaches the end of the page.
1-5 Multiple Page Display Control Keys
Keys
Description
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.

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch CLI Reference Guide
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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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Chapter 2 Basic Management
Commands
create account [admin | operator | power_user | user] <username 15> {encrypt [plain_text |
sha_1] <password>}
enable password encryption
disable password encryption
config account <username 15> {encrypt [plain_text | sha_1] <password>}
show account
delete account <username 15>
show session
show switch
show environment
config temperature [trap | log] state [enable | disable]
config temperature threshold {high <temperature -500-500> | low <temperature -500-500>}(1)
show serial_port
config serial_port {baud_rate [9600 | 19200 | 38400 | 115200] | auto_logout [never | 2_minutes |
5_minutes | 10_minutes | 15_minutes]}(1)
enable clipaging
disable clipaging
enable telnet {<tcp_port_number 1-65535>}
disable telnet
enable web {<tcp_port_number 1-65535>}
disable web
save {[config <pathname> | log | all]}
reboot {force_agree}
reset {[config | system]} {force_agree}
login
logout
clear
config terminal width [default | <value 80-200>]
show terminal width
show device_status
config out_band_ipif {ipaddress <network_address> | state [enable | disable] | gateway
<ipaddr>}
show out_band_ipif
2-1 create account
Description
This command creates user accounts. The username is between 1 and 15 characters, the
password is between 0 and 15 characters. The number of accounts (including admin, operator,
and user) is up to eight.
Format
create account [admin | operator | power_user | user] <username 15> {encrypt [plain_text |
sha_1] <password>}

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Parameters
admin - Specifies the name of the admin account.
operator - Specifies the name of the operator account.
power_user - Specifies a power user level account. The power user level is lower than the
operator level and higher than the user level.
user - Specifies the name of the user account.
<username 15> - Enter a username of up to 15 characters.
encrypt - Specifies the encryption used.
plain_text - Specifies the password in plain text form.
sha_1 - Specifies the password in SHA-1 encrypted form.
<password> - The password for the user account. The length of a password in plain-text form
and encrypted form are different. For a plain-text form password, the password must be a
minimum of 0 characters and a maximum of 15 characters. For an encrypted form
password, the length is fixed to 35 bytes long. The password is case-sensitive.
Restrictions
Only Administrator-level users can issue this command.
Example
To create the Administrator-level user “dlink”:
DGS-3620-28PC: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-3620-28PC:admin#
To create the Operator-level user “Sales”:
DGS-3620-28PC:admin##create account operator Sales
Command: create account operator Sales
Enter a case-sensitive new password:****
Enter the new password again for confirmation:****
Success.
DGS-3620-28PC:admin#
To create the User-level user “System”:
DGS-3620-28PC:admin##create account user System
Command: create account user System
Enter a case-sensitive new password:****
Enter the new password again for confirmation:****
Success.
DGS-3620-28PC:admin#

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2-2 enable password encryption
Description
The user account configuration information will be stored in the configuration file, and can be
applied to the system later. If the password encryption is enabled, the password will be in
encrypted form when it is stored in the configuration file. When password encryption is disabled,
the password will be in plain text form when it is stored in the configuration file. However, if the
created user account directly uses the encrypted password, the password will still be in the
encrypted form.
Format
enable password encryption
Parameters
None.
Restrictions
Only Administrator-level users can issue this command.
Example
To enable password encryption:
DGS-3620-28PC:admin#enable password encryption
Command: enable password encryption
Success.
DGS-3620-28PC:admin#
2-3 disable password encryption
Description
The user account configuration information will be stored in the configuration file, and can be
applied to the system later. If the password encryption is enabled, the password will be in
encrypted form when it is stored in the configuration file. When password encryption is disabled,
the password will be in plain text form when it is stored in the configuration file. However, if the
created user account directly uses the encrypted password, the password will still be in the
encrypted form.
Format
disable password encryption
Parameters
None.

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Restrictions
Only Administrator-level users can issue this command.
Example
To disable password encryption:
DGS-3620-28PC:admin#disable password encryption
Command: disable password encryption
Success.
DGS-3620-28PC:admin#
2-4 config account
Description
When the password information is not specified in the command, the system will prompt the user
to input the password interactively. For this case, the user can only input the plain text password.
If the password is present in the command, the user can select to input the password in the plain
text form or in the encrypted form. The encryption algorithm is based on SHA-1.
Format
config account <username 15> {encrypt [plain_text | sha_1] <password>}
Parameters
<username 15> - Enter the name of the account. The account must already be defined.
encrypt - (Optional) Specifies the encryption type, plain_text or sha_1.
plain_text - Specifies the password in plain text form. For the plain text form, passwords must
have a minimum of 0 and a maximum of 15 characters. The password is case-sensitive
sha_1 - Specifies the password in the SHA-1 encrypted form. For the encrypted form
password, the length is fixed to 35 bytes long. The password is case-sensitive.
<password> - Enter the password.
Restrictions
Only Administrator-level users can issue this command.
Example
To configure the user password of the “dlink” account:
DGS-3620-28PC: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:****

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Success.
DGS-3620-28PC:admin#
To configure the user password of the “administrator” account:
DGS-3620-28PC:admin#config account administrator encrypt sha_1
*@&NWoZK3kTsExUV00Ywo1G5jlUKKv+toYg
Command: config account administrator encrypt sha_1
*@&NWoZK3kTsExUV00Ywo1G5jlUKKv+toYg
Success.
DGS-3620-28PC:admin#
2-5 show account
Description
This command is used to display user accounts that have been created.
Format
show account
Parameters
None.
Restrictions
Only Administrator-level users can issue this command.
Example
To display accounts that have been created:
DGS-3620-28PC:admin#show account
Command: show account
Current Accounts:
Username Access Level
--------------- ------------
System User
Sales Operator
dlink Admin
DGS-3620-28PC:admin#
2-6 delete account
Description
This command is used to delete an existing account.

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Format
delete account <username 15>
Parameters
<username 15> - Enter the name of the user who will be deleted.
Restrictions
Only Administrator-level users can issue this command. One active admin user must exist.
Example
To delete the user account “System”:
DGS-3620-28PC:admin#delete account System
Command: delete account System
Success.
DGS-3620-28PC:admin#
2-7 show session
Description
This command is used to display a list of current users which are logged in to CLI sessions.
Format
show session
Parameters
None.
Restrictions
Only Administrators and Operators can issue this command.
Example
To display accounts a list of currently logged-in users:
DGS-3620-28PC:admin#show session
Command: show session
ID Live Time From Level User
-- ------------ ------------ ----- --------------------
8 23:37:42.270 Serial Port admin Anonymous

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2-8 show switch
Description
This command is used to display the switch information.
Format
show switch
Parameters
None.
Restrictions
None.
Example
To display the switch information:
DGS-3620-28PC:admin#show switch
Command: show switch
Device Type : DGS-3620-28PC Gigabit Ethernet Switch
MAC Address : 00-01-02-03-04-00
IP Address : 10.90.90.90 (Manual)
VLAN Name : default
Subnet Mask : 255.0.0.0
Default Gateway : 0.0.0.0
Boot PROM Version : Build 1.00.016
Firmware Version : Build 2.60.016
Hardware Version : B1
Firmware Type : EI
Serial Number : D1234567890
System Name :
System Location :
System Uptime : 0 days, 0 hours, 7 minutes, 13 seconds
System Contact :
Spanning Tree : Disabled
GVRP : Disabled
IGMP Snooping : Disabled
MLD Snooping : Disabled
RIP : Disabled
RIPng : Disabled
DVMRP : Disabled