D-Link DES-2108 User's Guide

DES-2108 8-port 10/100 Fast Ethernet Switch User’s Guide

4 Switch Description The DES-2108 is equipped with unshielded twisted-pair (UTP) cable ports providing dedicated 10 or 100 Mbps bandwidth. The Switch

Switch’s SNMP agent. read_only - Specifies that SNMP community members using the community string created with this command can only read the content

Example usage: To delete the SNMP community string “admin”: Figure 89. delete snmp community command show snmp community Purpose Used to display SN

Switch. Example usage: To display the currently entered SNMP community strings: Figure 90. show snmp community command create snmp host Purpose Used

trap_community <community_string> - An alphanumeric string of up to 20 characters used to authorize a remote SNMP manager to access the Switch’

Example usage: To display the currently configured SNMP hosts on the Switch: Figure 92. show snmp host command enable snmp traps Purpose Used to

Figure 93. enable snmp traps command disable snmp traps Purpose Used to disable SNMP trap support on the Switch. Syntax disable snmp traps Descri

100 IGMP Snooping Commands The IGMP Snooping commands in the Command Line Interface (CLI) are listed (along with the appropriate parameters) in the f

Figure 95. config router_ports command (add static router ports) To delete static router ports: Figure 96. config router_ports command (delete stat

Figure 97. enable igmp snooping command disable igmp snooping Purpose Used to disable IGMP snooping on the Switch. Syntax disable igmp snooping De

Purpose Used to display the currently configured router ports on the Switch. Syntax show router_ports Description This command is used to display the

5  System Log Support.  High performance switching engine performs forwarding and filtering at full wire speed.  Full- & Half- duplex opera

Figure 100. show igmp_snooping command config igmp_snooping Purpose Used to configure IGMP snooping on the Switch.Syntax config igmp_snoo

receiving a host membership report. The default is 260 seconds. router_timeout <sec 1-16711450> − Specifies the maximum amount of time a route

106 TECHNICAL SPECIFICATIONS General Standards: IEEE 802.3 10BASE-T Ethernet IEEE 802.3u 100BASE-TX Fast Ethernet ANSI/IEEE 802.3 Auto-negotiation IE

107 Physical and Environmental AC inputs: 100-240 VAC, 50-60 Hz Power Consumption: 9 watts maximum Operating Temperature: 0 ~ 40 degrees Celsius Sto

WARRANTY AND REGISTRATION INFORMATION (All countries and regions excluding USA) Wichtige Sicherheitshinweise 1. Bitte lesen Sie sich diese Hinweis

12. Wird das Gerät über einen längeren Zeitraum nicht benutzt, sollten Sie es vom Stromnetz trennen. Somit wird im Falle einer Überspannung eine

IF THE D-LINK PRODUCT DOES NOT OPERATE AS WARRANTED ABOVE, THE CUSTOMER'S SOLE REMEDY SHALL BE, AT D-LINK'S OPTION, REPAIR OR REPLACEMENT.

Hardware: D-Link warrants each of its hardware products to be free from defects in workmanship and materials under normal use and service for a peri

data of Purchaser contained in, stored on, or integrated with any product returned to D-Link pursuant to this warranty. Any package returned to D-Li

compatible. D-Link's obligation under this warranty shall be a reasonable effort to provide compatibility, but D-Link shall have no obligation

6 All UTP ports can auto-negotiate between 10Mbps and 100Mbps, half-duplex and full duplex, and flow control.

Registration Card (Excluding USA) Print, type or use block letters. Your name: Mr./Ms ____________________________________________________________

1 employee 2-9 10-49 50-99 100-499 500-999 1000 or more 3. What network protocol(s) does your organization use ? XNS/IPX TCP/IP DECnet Ot

7 UNPACKING AND SETUP This chapter provides unpacking and setup information for the Switch. Unpacking Open the shipping carton of the Switch and care

 Make sure that there is proper heat dissipation from and adequate ventilation around the Switch. Leave at least 10 cm (4 inches) of space at the f

Figure 1. Installed on a Desktop Installing the Switch on a Rack The Switch can be mounted in a standard 19" rack. Use the following diagrams to

Figure 3. Installing Switch in a rack Power on The DES-2108 can be used with AC power sources 100 - 240 VAC, 50 - 60 Hz. The Switch’s power supply

IDENTIFYING EXTERNAL COMPONENTS This chapter describes the front panel, rear panel and LED indicators of the Switch Front Panel Components The front

Rear Panel The rear panel of the Switch contains an AC power connector. Figure 5. Rear panel view The AC power connector is a standard three-pronge

13 Figure 6. LED indicators Power and CPU LEDs Power On : This LED will light green after the Switch is powered on to indicate the ready state of th

FCC Warning This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. T

15 INTRODUCTION TO SWITCH MANAGEMENT  Management Options  Web Management Utility  Web-based Management Interface  Command Line Interface (CLI

16 Command Line Interface (CLI) The Switch supports a Command Line Interface (CLI) that allows the user to connect to the Switch’s management agent u

17 CONFIGURATION THE SWITCH Through the Web Browser, Telnet and SNMP you can configure the Switch such as Port setting, VLAN, QoS, SNMP, Spanning Tre

Figure 7. Web Management Utility The Web Management Utility was divided into four parts, Discovery List, Monitor List, Device Setting and Toolbar fu

System word definitions in the Discovery List:  MAC Address: Shows the device MAC Address.  IP Address: Shows the current IP address of the devic

View Trap: The Trap function can receive the events that happen from the Web Management Switch in the Monitor List. There is a light indicator behin

21 Note: In order to receive Trap information, switch has to be configured with Trap IP and Trap Events in Web browser, which are available in the Tr

Figure 10. Configuration Setting Password Change: You can use this Password Change when you need to change the password, fill in the password neede

Figure 12. Firmware Upgrade Web Access: Double click the device in the Monitor List or select a device in the Monitor List and press this “Web Acce

i TABLE OF CONTENTS About This Guide ... 1 Terms ...

24 Exit: To exit the Web Management Utility. View TAB In the “View TAB”, there are view log and clear log function, this function will help you to sh

The section indicates how to manage, control and monitor the Switch via Web Browser. The Switch to enable its managed functions including:  Port Se

Figure 13. Or through the Web Management Utility, you do not need to remember the IP Address, select the device shown in the Monitor List of the Web

Figure 15. Device Status 27

Setup Menu When the main page appears, find the Setup menu in the left side of the screen (Figure 16). Click on the setup item that you want to confi

Figure 16. Setup menu Configuring Setup Setting Find that there are four items, including Port Settings, VLAN Settings, Mirror Settings, Spanning Tre

To change the port setting, click on the ID parameter to enter to the selected port to configure its Speed/Disable, Flow control and QoS setting. Fi

VLAN Settings (Virtual Local Area Network) The DES-2108 supports two of VLAN type: Port-Based VLAM or IEEE 802.1Q-Based VLAN. The VLAN setting only w

Once you want to modify the VLAN Group, check on the ID parameter, the ID VLAN configuration window will pop out. Figure 21. Port_based VLAN Setting

Figure 22. 802.1Q VID Table Setting Port VID Setting: When you select Port VLAN setting, fill in each port’s PVID value between 1 and 4094. Figure 2

ii Power and CPU LEDs ... 13 10/100M Fast Ethernet Ports Status LEDs ...

Configuring the port mirroring by assigning a source port from which to copy all packets and a sniffer port where those packets will be sent. The sel

is sensitive to the status of the link. Ultimately this difference results in faster detection of failed links, and thus faster topology adjustment.

36 sending its own BPDU to all other switches for permission to become the Root Bridge. If it turns out that your switch has the lowest Bridge Identi

37 Managed devices that support SNMP include software (referred to as an agent), which runs locally on the device. A defined set of variables (manage

MIBs Management and counter information are stored by the Switch in the Management Information Base (MIB). The Switch uses the standard MIB-II Manage

Add Group: To add a SNMP Community group, press “Add Group” button, the Add SNMP Community configuration window will pop out; fill in the community n

Modify Group: To modify previously defined SNMP Community group, click on the ID parameter to enter to the selected SNMP Community Group to configure

Add Trap: To create a recipient of SNMP traps generated by the Switch’s SNMP agent, press “Add Trap” button, and the SNMP Trap Set window will pop ou

Modify Trap: To modify previously defined SNMP Trap, click on the ID parameter to enter to the selected SNMP Trap to configure its community name, IP

automatically and the Switch will forward data following the auto learning MAC Address Table to the specific port. Disable auto learning excluding up

iii Mirror Setting ... 33 Spanning Tree Setting...

44

Remove Static MAC rule: Press “Delete Mac” button, and the Static MAC Delete window will pop out; checked the dialog box. Press “Apply” to delete the

46 Figure 38. IGMP Snooping Setting Enabled / Disabled: To selecting enable or disable IGMP Snooping function on the Switch. IGS Configure & Ro

Device Status Click on the “Status” to present the device status on this screen, it will show the System Status, Port Status, VLAN Setting, Mirror Se

Statistic The Statistic Menu screen will show the status of each port packet count. Figure 40. Device Statistics For Detail packet information, cli

System Setting The System Setting includes the System name, Location name, Login Timeout, IP Address, Subnet Mask and Gateway. Through the Web Manag

Trap Setting The Trap Setting enables the device to monitor the Trap through the Web Management Utility, set the Trap IP Address of the manager wher

Set Password Password is the invaluable tool for the manager to secure Web Management Switch, use this function to change the password. If you forge

Backup Setting The backup tools help you to backup the current setting of the Switch. Once you need to backup the setting, press the “Backup” button

Figure 46. Reset Setting Logout When press this function, the web configuration will go back to first Login page. Figure 47. Logout 53

iv VLAN Commands ... 68 Port Mirroring Commands...

Configuring the Switch using the CLI The Switch can be managed through the TCP/IP Telnet protocol. The Command Line Interface (CLI) can be used to co

Using the CLI via Telnet interface To configure the Switch through the TCP/IP Telnet protocol, using an ordinary telnet client program. On many syste

56 Command Syntax The following symbols are used to describe how command entries are made and values and arguments are specified in this manual. The

57 | vertical bar Purpose Separates two or more mutually exclusive items in a list, one of which must be entered. Syntax show snmp [community | host

58 Command Parameters show switch config system auto_logout <value 3 ~ 30> config system_name {<system_name >} config location_name {&l

Figure 51. show switch command config system Purpose Used to configure the auto log out timer of the Switch. Syntax config system auto_logout <

To configure the Switch will auto log out if there is no user input for 10 minutes. Figure 52. config system command config system_name Purpose Used

61 config location_name Purpose Used to enter a description of location of the Switch. Syntax config location_name {<location_name>} Descripti

Example usage: To restore all of the Switch’s parameters to their default values: Figure 55. reset command logout Purpose Used to log out a user fro

save Purpose Used to save changes in the Switch’s configuration to non-volatile RAM. Syntax save Description This command is used to enter the curre

1 ABOUT THIS GUIDE This user’s guide tells you how to install your DES-2108, how to connect it to your network. Terms For simplicity, this documentat

Each command is listed, in detail, in the following sections. config ipif Purpose Used to configure the System IP interface. Syntax config ipif [ip

show ipif Purpose Used to display the configuration of an IP interface on the Switch. Syntax show ipif Description This command will display the c

|10_half | 10_full | 100_half | 100_full | 1000_full} | {flow_control [enable | disable] | qos {normal | high]} show ports {portlist} Each command is

To configure the speed of port 1-3 to be 100 Mbps, half duplex, disable of port 4-5, QoS of port 3, 4, 6 to be high priority and disable flow control

Figure 61. show ports command VLAN Commands The VLAN commands in the Command Line Interface (CLI) are listed (along with the appropriate parameters)

enable 802.1q_based vlan Command Parameters disable 802.1q_based vlan config pvid <portlist> <vlanid 1~4094> priority <0-7> Each

To create an 802.1Q_based VLAN, tag 2: Figure 63. create vlan command (802.1q_based VLAN) delete vlan Purpose Used to delete a previously configur

Figure 64. create vlan command (port_based VLAN) To delete an 802.1Q_based VLAN, tag 10: Figure 65. delete vlan command (802.1q_based VLAN) config

delete - Delete ports from the specified VLAN. <portlist> - A port or range of ports to add to, or delete from the specified VLAN. Example us

Figure 68. config vlan command, add VLAN group members (802.1q_based VLAN) To delete port 3 from the VLAN tag 10: Figure 69. config vlan command

2 INTRODUCTION This section describes the features of the DES-2108, as well as giving some background information about Fast Ethernet and Switching t

Example usage: To switched the VLAN type to Port_based VLAN Figure 70. enable port_based vlan command disable port_based vlan Purpose Used to ch

Figure 71. disable port_based vlan command enable 802.1q_based vlan Purpose Used to change the VLAN type to 802.1Q_based VLAN on the Switch. Syntax

Description This command allows you to change the VLAN type to port_based VLAN on the Switch. Parameters None. Example usage: To switched the VLAN t

To configure the 802.1Q Port VLAN_ID: Figure 74. config pvid command Port Mirroring Commands The port mirroring commands in the Command Line I

78 target port can be mirrored for real-time analysis.Syntax [enable | disable] {<port> source ports <portlist> [rx | tx |both]} Descri

Figure 75. config mirror port command To disable Port Mirror function of the Switch: Figure 76. config mirror port command, disable port mirror fu

Figure 77. show mirror command Trap Commands The trap mirroring commands in the Command Line Interface (CLI) are listed (along with the appr

delete discovery trap_event {[bootup | illegal_login | t_rx_err | t_tx_err| f_rx_err | f_tx_err| f_link_change]} show discovery trap Each command

82 Figure 78. config discovery trap_ip command config discovery trap_event Purpose Used to configure the events of the trap on the Switch. Syntax co

Figure 79. config discovery trap_event command delete discovery trap_event Purpose Used to delete previously configured events of trap on the Switch

3 competing with each other for network transmission capacity, and therefore decreasing the load on each segment. The Switch acts as a high-speed sel

Parameters bootup - Disable the Switch’s boot up event. illegal_login - Disable the Switch’s illegal login event. t_rx_err - Disabled the Switch’s tw

show discovery trap Purpose Used to show the configuration of the discovery trap on the Switch. Syntax show discovery trap Description The command

Command Parameters enable stp disable stp config stp {maxage <value 6-40> | hellotime <value 1-10> | forwarddelay <4-30> | prio

disable stp Purpose Used to disable STP on the Switch. Syntax disable stp Description This command allows the Spanning Tree Protocol to be disabled

88 will aid in determining that the Switch has spanning tree configuration values consistent with other config stp Parameters devices on the bridge

Example usage: To configure STP with maxage 40 and hellotime of 5 seconds: Figure 84. config stp command config stp ports Purpose Used to setup

the higher the priority. The default is 128. Example usage: To configure STP with path cost 10, priority of 100 for ports 1-5: Figure 85. confi

Figure 86. show stp command show stp ports Purpose Used to display the Switch’s current STP group of ports configuration on the Switch. Syntax show

Figure 87. show stp ports command SNMP Commands The SNMP commands in the Command Line Interface (CLI) are listed (along with the appropriate pa

93 show snmp create snmp host <ipaddress> {vid <vlan id>} trap_community <community_string> delete snmp host [<ipaddress>