LevelOne GSW-2491TXM User Manual
GSW-2491TXM
24Fast/1 Slide-in Slot L2 SNMP Switch
USER MANUAL
Contents
1. INTRODUCTION...................................... ....... .... ... .... .... ... .... .... ... .... .... ... ........ ... .... ..1
Features ........................................ .............................................................. .................2
Software Features .............. .... ... .... .... ... .... .... ... ........ ... .... .... ... .... .... ... .... .... ... .... ....... .... ..2
Package Contents ........................................................................................................4
Ethernet Switching Technology....................................................................................5
2. HARDWARE DESCRIPTION............................................ .... .... ... .... ....... .... .... ... .... ..6
Physical Dimension ............ .... ... .... .... ... .... ....... .... .... ... .... .... ... .... .... ... .... .... ....... .... ... .... ..6
Front Panel...................................................................................................................6
LED Indicators..............................................................................................................7
Rear Panel...................... ............................................................... ...............................7
Desktop Installation ......................................................................................................8
Rack-mounted Installation............................................................................................9
3. NETWORK APPLICATION................................................... .... ... .... .... ... .... ....... ....11
Small Workgroup........................................................................................................11
Segment Bridge..........................................................................................................12
Stacking Workgroup ...................................................................................................13
Connecting to the Switch............................................................................................14
4. CONSOLE MANAGEMENT.................................................. .... ... .... .... ... .... .... ... ....15
Login in the Console Interface....................................................................................15
Main Menu.................................................... ..............................................................16
Status and Counters........................................................... .................................18
Port Status....................................................................................................18
Port Counters...............................................................................................19
System Information ......................................................................................20
Switch Static Configuration........................... .......................................................21
Administration Configuration........................ .... .... ....... .... ... .... .... ... .... .... ... ....21
Device Information ................................................................................22
IP Configuration ....................................................................................22
User Name Configuration......................................................................23
Password Configuration........................................................................24
Port Configuration ................................................ ........................................24
Trunk Configuration......................................................................................25
Port Mirroring Configuration .........................................................................26
VLAN Configuration......................................................................................28
Priority Configuration....................................................................................33
MAC Address Configuration.........................................................................34
Misc Configuration........................................................................................37
Protocol Related Configuration............................................................................40
STP..............................................................................................................40
SNMP...........................................................................................................43
LACP............................................................................................................47
IGMP/GVRP.................................................................................................50
802.1x ..........................................................................................................51
System Reset Configuration................................................................................55
Factory Default........................... .............................................................. ....55
System Reboot........................................................ .....................................56
TFTP Configuration......................................................................................56
X-modem Upgrade..............................................................................................59
5. WEB-BASED MANAGEMENT...............................................................................61
System Login....................................................... .... ... .... .... ... .... .... ... .... .... ....... .... ... ....62
Port status ..................................................................................................................63
View the Port Information....................................................................................64
Port Statistics..............................................................................................................64
Administrator ..............................................................................................................65
IP Address...........................................................................................................66
Switch Setting............................................................................ ..........................66
Console Port Information.................................................... .................................72
Port Controls...................................... .............................................................. ....72
Trunking ..............................................................................................................73
Forwarding and Filtering .. ... ........ ... .... .... ... .... .... ... .... .... ... .... ....... .... .... ... .... .... ... ....77
VLAN configuration..............................................................................................80
Spanning Tree.......................................... .... .... ... .... .... ... ........ ... .... .... ... .... .... ... ....86
Port Mirroring.......................................................................................................88
SNMP Management............................................................................................90
Security Manager ..... ... .... ... .... .... ... ........ ... .... .... ... .... .... ... .... .... ... .... ....... .... .... ... ....91
802.1X.................................................................................................................92
TFTP Update Firmware........................................... ... .... .... ... ........ ... .... .... ... .... .... ... ....94
Configuration Backup .................................................................................................95
Factory Default....................... ... .... .... ... .... .... ....... .... ... .... .... ... .... .... ... .... .... ... ........ ... ....96
System Reboot............ ....... .... ... .... .... ... .... .... ... .... .... ... ........ ... .... .... ... .... .... ... .... .... ... ....97
Panel List....................................................................................................................97
IP Stacking .................................................................................................................97
6. TROUBLESHOOTING............................. ... .... .... ... .... .... ... .... ....... .... .... ... .... .... ... ..101
7. TECHNICAL SPECIFICATION ................ ... .... .... ... .... .... ... .... ....... .... .... ... .... .... ... ..103
1. Introduction
Welcome to the World of Network Switching. In the modern business society,
communication and information sharing are fundamental to our life. And computer
networks have proven to be one of the fastest ways of communication.
LevelOne GSW-2491TXM, 24Fast/1Slide-in Slot L2 SNMP Switch, is a multi-port
Switch that can be used to build high-performance switched workgroup networks. This
switch is a store-and-forward device that offers low latency for high-speed networking.
The Switch is targeted at workgroup, department or backbone computing enviro nment.
Figure 1-1. LevelOne GSW-2491TXM, 24Fast/1Slide-in Slot L2 SNMP Switch
LevelOne GSW-2491TXM features a “store-and-forward “ switching scheme. This
allows the switch to auto-learn and store source address in a 8K-entry MAC address
table.
(Medium Dependent Interface) Port is also called an "uplink port". The MDI port
MDI
does not cross the transmit and receive lines, which is done by the regular ports
(MDI-X ports) that connect to end stations. In general,
another Hub or Switch while
Therefore,
workstation without changing non-crossover or crossover cabling.
Auto MDI/MDIX
means that you can connect to another Switch or
means connecting to a workstation or PC.
MDIX
means connecting to
MDI
LevelOne GSW-2491TXM has 24 auto-sensing 10/100Base-TX RJ-45 ports plus one
extension slot for (Optional) 1000Base-TX and miniGBIC module enables
long-distance connection or Gigabit copper module for higher connection speed.
1
Features
Confirms to IEEE802.3u 10BASE-T, 802.3u 100BASE-TX, 802.3ab 1000BASE-T,
802.3z Gigabit fiber
24 auto-sensing 10/100Mbps Ethernet RJ-45 ports plus one expansion slot
IEEE802.3x Flow control
¾ Flow control for full duplex
Backpressure for half duplex
¾
High back-plane bandwidth 8.8Gbps
Support IEEE802.3ad Port trunk with LACP
Broadcast storm filter supported
Management via single IP address
IGMP support for Multi Media application
Support IEEE 802.1p class of service
Port security supported
Port bandwidth control supported
Support IEEE 802.1d Spanning tree protocol
Supports GVRP function
DHCP client supported
Support IEEE 802.1x user authentication
8K-entry MAC address table
3Mbits packet buffer memory
19” Standard Rack-mounted size
Formatted: Bullets and Numbering
Software Features
Management
Software Upgrade
RFC Standard
Telnet management, web management, Terminal console
management (RS-232)
TFTP and Console firmware upgradeable
RFC 1157 SNMP, RFC 1213 MIB II, RFC 1643 Ethernet
like, RFC 1493 Bridge MIB, RFC 1757 RMON 1, RFC 1215
2
Trap, RFC 2674 VLAN MIB, private MIB
Support IEEE802.3ad with LACP function and provide
Port Trunk
Spanning Tree
VLAN
QOS Policy
Class of Service
Port Based Priority
7-trunk and group member up to 4 ports. The trunk port
within 24-port 10/100TX and extension module...
IEEE802.1d spanning Tree
Port based VLAN
IEEE802.1Q Tag VLAN
IEEE802.1v Protocol VLAN (IP, IPX, …etc.)
Static VLAN groups up to 256, Dynamic VLAN group up to
2048, VLAN ID from 0 to 4094.
Supports 8 priority levels ID for two priority queue
Per system supports high and low queues. The priority
service rule: first come first service, all High before Low,
WRR for High or low weight.
Support 3 settings: “Disable, Low and High priority”. When
set to “Disable”, the income packet will follow QoS policy;
Otherwise, the packet will follow port priority setting to
“High/Low” queue.
It supports IGMP snooping for Multi-Media application and
IGMP
supports 256 groups
MAC address filter for ingress and egress packet
Port Security
Static MAC address lock for source address.
Global system supports 3 mirroring types: “RX, TX and
Port Mirror
Both packet”. The maximum of port mirror entries is up to
25.
Bandwidth Control
3
Per port support Bandwidth control. Per level 100K.
A
It can be stack and management by a single IP address.
Stacking
802.1x
DHCP
Packet filter
The master switch can manage slave switch through any
port and the stack group can be up to 8 switches.
Support IEEE802.1x UserRADIUS server.
¾ Reject
¾ Accept
¾ Authorize
¾ Disable
Support DHCP Client
Broadcast storm
Package Contents
Unpack the contents of the
checklist below.
LevelOne GSW-2491TXM
uthentication and can report to
and verify them against the
LevelOne GSW-2491TXM
Power Cord
Four Rubber Feet
RS-232 cable
User Guide
LevelOne GSW-2491TXM
Rack-mounted Kit Power Cord User Guide
Four Rubber Feet
Figure 1-2. Package Contents
4
RS-232 Cable
Compare the contents of your LevelOne GSW-2491TXM package with the standard
checklist above. IF any item is missing or damaged, please contact your local dealer
for service.
Ethernet Switching Technology
Ethernet Switching Technology dramatically boosted the total bandwidth of a network,
eliminated congestion problems inherent with CSMA/CD (Carrier Sense multiple
access with Collision Detection) protocol, and greatly reduced unnecessary
transmissions.
This revolutionized networking. First, by allowing two-way, simultaneous transmissions
over the same port (Full-duplex), which essentially doubled the bandwidth. Second, by
reducing the collision domain to a single switch-port, which eliminated the need for
carrier sensing. Third, by using the store-and-forward technology’s approach of
inspecting each packet to intercept corrupt or redundant data, switching eliminated
unnecessary transmission that slow the network. By employing address learning,
which replaced the inefficient receiving port.
Auto-negotiation regulates the speed and duplex of each port, based on the capability
of both devices. Flow-control allows transmission from a 100Mbps node to a 10Mbps
node without loss of data. Auto-negotiation and flow-control may require disablement
for some networking operations involves legacy equipment. Disabling the
auto-negotiation is accomplished by fixing the speed or duplex of a port.
Ethernet Switching Technology supplied higher performance at costs lower than other
solutions. Wider bandwidth, no congestion, and the reductio n in traffic is why switching
is replacing expensive routers and inefficient hubs as the ultimate networking solution.
Switching brought a whole new way of thinking to networking.
5
2. Hardware Description
This Section mainly describes the hardware of the LevelOne GSW-2491TXM, and
gives a physical and functional overview of this Module Switch.
Physical Dimension
The LevelOne GSW-2491TXM’s physical dimension is
(W x D x H)
.
440mmx 161mm x 44.5mm
Front Panel
The Front Panel of the LevelOne GSW-2491TXM consists of 24x 10/100Base-TX
RJ-45 ports (Auto MDI/MDIX) and one Exp slot. The LED Indicators are also located
on the front panel of the Switch.
Figure 2-1. The Front panel of LevelOne GSW-2491TXM
RJ-45 Ports (Auto MDI/MDIX):
100Base-TX connections.
[In general,
connecting to a workstation or PC. Therefore,
connect to another Switch or workstation without changing non-crossover or crossover
cabling. ]
means connecting to another Hub or Switch while
MDI
24x 10/100 N-way auto-sensing for 10Base-T or
means
MDIX
Auto MDI/MDIX
means that you can
6
Module (Optional):
There are 2 X 1000T(MDU-0140), 2 X mini GBIC(MDU-0142)
modules available for the LevelOne GSW-2491TXM.
LED Indicators
The LED Indicators gives real-time information of systematic operation status. The
following table provides descriptions of LED status and their meaning.
Figure 2-2. LED indicators
LED Status Description
Green Power On
Power
Off Power is not connected
Green The port is connecting with the device.
LNK/ACT
FDX/COL
Blinks The port is receiving or transmitting data.
Off No device attached.
Orange The port is operating in Full-duplex mode.
Blinks Collision of Packets occurs in the port.
Off In half-duplex mode
Table 2-1. The Description of LED Indicators
Rear Panel
The 3-pronged power plug and Ventilation fan are located at the rear Panel of the
7
LevelOne GSW-2491TXM as shown in Figure 2-3. The Switch will work with AC in the
range 100-240V AC, 50-60Hz.
Figure 2-3. The Rear Panel of the LevelOne GSW-2491TXM
Desktop Installation
Set the Switch on a sufficiently large flat spa ce w ith a p ower o utlet nearby. The surface
where you put your Switch should be clean, smooth, level and sturdy. Make sure there
is enough clearance around the Switch to allow attachment of cables, power cord and
allow air circulation.
Attaching Rubber Feet
A. Make sure mounting surface on the bottom of the Switch is grease and dust free.
B. Remove adhesive backing from your Rubber Feet.
C. Apply the Rubber Feet to ea ch corner on the b ottom of the Switch. These footpads
can prevent the Switch from shock/vibration.
Figure 2-4. Attaching Rubber Feet to each corner on the bottom of the Switch
8
Rack-mounted Installation
The LevelOne GSW-2491TXM come with a rack-mounted kid and can be mounted in
an EIA standard size, 19-inch Rack. The Switch can be placed in a wiring closet with
other equipment.
Perform the following steps to rack mount the switch:
A. Position one bracket to align with the holes on one side of the switch and secure it
with the smaller bracket screws. Then attach the remaining bracket to the other
side of the Switch.
Figure 2-4. Attach mounting brackets with screws
B. After attached both mounting brackets, position the LevelOne GSW-2491TXM
the rack by lining up the holes in the brackets with the appropriate holes on the
rack. Secure the Switch to the rack with a screwdriver and the rack-mounting
screws.
9
in
Figure 2-5. Mount the switch in an EIA standard 19-inch Rack
For proper ventilation, allow about at least 4 inches (10 cm) of clearance on the
Note:
front and 3.4 inches (8 cm) on the back of the Switch. This is especially important for
enclosed rack installation.
Power On
Connect the power cord to the power socket on the rear panel of the Switch. The other
side of power cord connects to the power outlet. The internal power supply of the
Switch works with voltage range of AC in the 100-240VAC, frequency 5 0~60Hz. Check
the power indicator on the front panel to see if power is properly supplied.
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3. Network Application
This section provides you a few samples of network topology in which the Switch is
used. In general, the LevelOne GSW-2491TXM is designed as a segment switch. That
is, with its large address table (8000 MAC address) and high performance, it is ideal for
interconnecting networking segments.
PC, workstations, and servers can communicate each other by directly connecting with
LevelOne GSW-2491TXM. The switch automatically learns nodes address, which are
subsequently used to filter and forward all traffic based on the destination address.
By using Uplink port, the Switch can connect with another switch or hu b to inte rconnect
other small-switched workgroups to form a larger switched network. Meanwhile, you
can also use fiber ports to connect switches.
Small Workgroup
The LevelOne GSW-2491TXM can be used as a standalone switch to which personal
computers, server, printer server, are directly connect to form small workgroup.
11
Figure 3-1. Small Workgroup Application
Segment Bridge
For enterprise networks where large data broadcasts are constantly processed, this
switch is an ideal solution for department users to connect to the corporate backbone.
In the illustration below, two Ethernet switches with PCs, print server, and local server
attached, are both connect to the Switch. All the devices in this network can
communicate with each other through the Switch. Connecting servers to the Switch
allow other users to access the data on server.
Figure 3-2 Department Bridge Application
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Stacking Workgroup
With stackable technology can unites up to eight individual stackable switches into a
single logical unit, using cables and with stacking software supported. The stack
behaves as a single switching unit that is managed by a master switch elected from
one of the member switches. The master switch automatically creates and updates all
the switching tables. A working stack can accept new members or delete old ones
without service interruption
Each switch in the stack has the capability to behave as a master o r subord inate in the
hierarchy. The master switch is elected and serves as the control center for the stack.
The subordinates act as forwarding processors. Each switch is assigned to a one
workgroup ID. Up to eight separate switches can be joined together as a workgroup.
The stack can have switches added and removed w ithout a ffect ing stack performance.
There are no special tools, extra software, or expensive equipment needed to form a
Stacking workgroup. It provides single image management for entire Stack (fewer
devices to manage); management applications represent the Stack as a single device,
and simple point and click management. Stackable technology allows you to increase
the resiliency and the versatility of your network edge to accommodate evolution for
speed and converged applications. Following figures are example of stacking
workgroup application.
13
The stackable switch (Master)
Cable connection
(Cat. 5 cable)
The stackable switch
(Slave 01)
Cable connection
(Cat. 5 cable)
The stackable switch
(Slave 02)
Can units up to 8
The stackable switch
(Slave 08)
stackable switches
Figure 3-3. A stacking workgroup application
Connecting to the Switch
The Console port is a female DB-9 connector that enables a connection to a PC or
terminal for monitoring and configuring the Switch. Use the supplied RS-232 cable with
a male DB-9 connector to connect a terminal or PC to the Console port.
The Console configuration (out of band) allows you to set Switch for r emote terminal as
if the console terminal were directly connected to it.
14
4. Console Management
Login in the Console Interface
When the connection between Switch and PC is ready, turn on the PC and run a
terminal emulation program or
parameters
Baud Rate: 9600 bps
Data Bits: 8
Parity: none
Stop Bit: 1
Control flow: None
to match the following default characteristics of the console port:
Hyper Terminal
and configure its
communication
Figure 3-3. The settings of communication parameters
After finished the parameter settings, click “OK“. When the blank screen shows up,
press Enter key to bring out the login prompt. Key in the “
“(default value) for the
root
both User name and Password (use
Main Menu of console management appears. Please see below figure for login screen.
15
key to switch), then press Enter key and the
Enter
Console login screen
Main Menu
Console – Menu Line
1. Provide a menu line interface to manage and monitor the switch. User can use
windows Hyper Terminal program through the console port to connect the switch
for configuration.
2. The default user name and password is “
root
”.
Main Menu
There are five selections as follow.
Status and Counters:
Switch Static Configuration:
Protocol Related Configuration:
System Reset Configuration:
configuration.
Logout:
Exit the menu line program.
Show the status of the switch.
Configure the switch.
Configure the protocol function.
Restart the system or reset switch to default
Formatted
16
Main menu line interface
Control Key description:
The control keys provided in all menus:
Move the vernier to next item.
Tab:
Backspace:
Enter:
Space:
to exit the current action mode.
Esc:
Move the vernier to previous item.
Select item.
Toggle selected item to next configure or change the value.
17
Status and Counters
In Status and Counters, you can view Port status, counters, and configure system
parameter. You can press the “
key to select item.
Status and Counters main configuration interface
Port Status
Tab
” or “
Backspace
” to choose item, and press “
Enter
”
It displays status of port. Select the
And, select the
Type:
Link:
and work normally, the link status is “UP”. Opposite is “
Speed Duplex:
State:
Negotiation:
FC:
display backpressure status.
BP:
Bandwidth In/Out:
Priority:
<Next page>
display port connection speed.
display port statuses link status. When the port is connecting with the de vice
display port duplex mode.
The port current status.
display the auto negotiation status.
display the flow control status is “enable” or “disable”.
display bandwidth In/out control status.
display the port priority status.
<Previous Page>
action to display next page.
18
action to display previous page.
”.
Down
Security:
display the port security status.
Port Counters
Port status display interface
It displays the current port counter information. Select the
newest port counter information.
Port counter information interface
<Refresh>
action to get
19
System Information
It displays the system parameter.
1.
System Name:
2.
System Location:
3.
System Description:
4.
Firmware Version:
5.
Hardware Version:
6.
Kernel Version:
7.
MAC Address:
8.
Module Information:
the name of device.
where the device is located.
the name of device type.
the switch’s firmware version.
the switch’s Hardware version.
the system kernel software version.
The unique hardware address assigned by manufacturer.
display the Module type that you have installed in switch.
System Information interface
20
Switch Static Configuration
In Switch Static Configuration, it has 8 main functions – Administration, Port, Trunk,
Port Mirroring, VLAN, Priority, MAC Address, and Misc Configuration. Under each
function, there are more sub-functions. We will describe in following paragraph.
Switch Configur ation interface
Administration Configuration
In Administration Configuration, you can configuration system parameter, IP, login
username and password.
Administration Configuration main interface
21
Device Information
You can configure the device information.
1. Select
2.
Name:
3.
Description:
4.
Location:
5.
Contact:
6. Select
<Edit>
assign the name for the switch.
<Save>
action to configure.
a short description for the switch.
the switch location, ex: Taipei.
the contact person or information.
action to save the configuration.
Device Information interface
IP Configuration
You can configure the IP for this switch. The system has the default IP address. You
can re-configure or use the default value.
1. Select the
2.
DHCP:
3.
IP Address:
4.
Subnet Mask:
5.
Gateway:
6. Select
Always restart the switch after finished the setup.
Note:
<Edit>
disable or enable the DHCP client function.
assign the switch IP address. The default IP is 192.168.16.1.
assign the switch IP subnet mask.
assign the switch gateway. The default value is 192.168.16.254.
<Save>
action to save the configuration.
22
IP Configuration interface
User Name Configuration
You can change the console and web management login user name.
1. Select the
<Edit>
2. Enter the new user name
3. Select the
<Save>
User Name Configuration interface
23
Password Configuration
You can change the console and web management login password.
1. Select the
2.
Old Password:
3.
New Password:
4.
Enter Again:
5. Select the
<Edit>
enter the old password.
enter the new password.
reenter the new password for confirmation.
<Save>
Password Configuration interface
Port Configuration
You can set up every port status.
1. Select
2. Use “
3.
State:
<Edit>
Tab
Current port status. The port can be set to disable or enable mode. If the
port setting is disable then will not receive or transmit any packet.
4.
Negotiation:
5.
Speed/Duplex:
6.
enable or disable
FC:
mode).
” key to move between items.
set auto negotiation status of port.
set the port link speed and duplex mode.
Flow control
function (Flow control for full duplex link
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