CTC Union GSW-3208M1 User manual

1
GSW-3208M1/3216M1/3424M1
L2 Managed GbE Switches

3
CTC Union Technologies Co., Ltd.
Far Eastern Vienna Technology Center (Neihu Technology Park)
8F, No. 60 Zhouzi St.
Neihu District
Taipei 114
Taiwan
Tel: [phone]
Fax: [phone]
Email: [email protected]
URL: http://www.ctcu.com
GSW-3208M1/3216M1/3424M1 User Manual
8+2, 16+2 and 24+4 Gigabit Ethernet Layer 2 Switches w/SNMP
Version 2.0 November 06, 2013 (Updated)
We make no warranties with respect to this documentation and disclaim any
implied warranties of merchantability, quality, or fitness for any particular
purpose. The information in this document is subject to change without notice.
We reserve the right to make revisions to this publication without obligation to
notifyanyperson or entityof anysuch changes.
Trademarks or brand names mentioned herein are trademarks or registered
trademarks of their respective companies.

3
About this manual …
This manual is a general manual for different models of our Gigabit
Management Switch. Theyare similar in operation but have different hardware
configurations.
These models are
1. 8 * TX + 2 * SFP (10G) ports model
This model supports eight TX ports and two extra SFP ports for Gigabit
Ethernet connections.
2. 16 * TX + 2 * SFP (18G) ports model
This model supports sixteen TX ports and two extra SFP ports for Gigabit
Ethernet connections.
3. 24 * TX + 4 * SFP (24G) ports model
This model supports twenty-four TXports and four share SFP ports. Port
21~24 are 1000TX RJ45 port / SFP port optional for Gigabit connection.
And they can auto-detect the connection from 1000TX RJ45 port or SFP
port.

Contents
1. INTRODUCTION............................................................................................................. 3
1.1 PACKAGE CONTENTS.................................................................................................3
2. WHERE TO PLACE THE SWITCH............................................................................... 4
3. CONFIGURE NETWORK CONNECTION ..................................................................... 7
3.1 CONNECTING DEVICES TO THE SWITCH....................................................................7
3.2 CONNECTING TO ANOTHER ETHERNET SWITCH/HUB ..............................................7
3.3 APPLICATION..............................................................................................................8
4. ADDING MODULE.......................................................................................................... 9
5. LEDS CONDITIONS DEFINITION ............................................................................... 10
6. MANAGE / CONFIGURE THE SWITCH...................................................................... 11
6.1 INTRODUCTION OF THE MANAGEMENT FUNCTIONS...................................................11
6.2 SETTINGS WITH CONSOLE CONNECTION.................................................................15
6.2.1 Basic of the Console Interface ..................................................................15
6.2.2 General Basic Commands ........................................................................20
6.2.3 Configure Mode Commands.....................................................................25
6.2.4 Interface Configuring Commands............................................................70
6.2.5 VLAN Configuring Commands.................................................................97
6.2.6 ShowCommands........................................................................................99
6.3 ABOUT TELNET AND SNMP MANAGEMENT INTERFACES .......................................138
6.3.1 About Telnet Management Interface .....................................................138
6.3.2 About SNMP Management Interface .....................................................138
6.4 MANAGEMENT WITH HTTP CONNECTION................................................................139
6.4.1 Configuration - System.............................................................................141
6.4.2 Configuration - Power Reduction............................................................145
6.4.3 Configuration - Ports.................................................................................146
6.4.4 Configuration - Security............................................................................147
6.4.5 Configuration - Aggregation ....................................................................164
6.4.6 Configuration - Loop Protection..............................................................166
6.4.7 Configuration - Spanning Tree................................................................167
6.4.8 Configuration - MVR..................................................................................172
6.4.9 Configuration - IPMC.................................................................................174
6.4.10 Configuration - LLDP..............................................................................178
6.4.11 Configuration - MAC Table....................................................................179
6.4.12 Configuration - VLANs............................................................................180
6.4.13 Configuration - Port-Based VLANs......................................................183
6.4.14 Configuration - Voice VLAN ..................................................................184

2
6.4.15 Configuration - QoS ..............................................................................186
6.4.16 Configuration - Mirroring ........................................................................196
6.4.17 Configuration - sFlow..............................................................................197
6.4.18 Monitor - System......................................................................................198
6.4.19 Monitor - Port............................................................................................200
6.4.20 Monitor - Security.....................................................................................203
6.4.21 Monitor - LACP.........................................................................................211
6.4.22 Monitor - Loop Protection.......................................................................213
6.4.23 Monitor - Spanning Tree.........................................................................214
6.4.24 Monitor - MVR...........................................................................................216
6.4.25 Monitor - IPMC..........................................................................................217
6.4.26 Monitor - LLDP.........................................................................................220
6.4.27 Monitor - MAC Table ...............................................................................222
6.4.28 Monitor - VLANs.......................................................................................223
6.4.29 Monitor - sFlow.........................................................................................224
6.4.30 Diagnostics - Ping...................................................................................225
6.4.31 Diagnostics - Ping6.................................................................................225
6.4.32 Diagnostics - VeriPHY............................................................................226
6.4.33 Maintenance - Restart Device...............................................................227
7. SOFTWARE UPDATE AND BACKUP .....................................................................230
A. PRODUCT HARDWARE SPECIFICATIONS........................................................231
B. PRODUCT SOFTWARE SPECIFICATIONS ........................................................233
C. COMPLIANCES ......................................................................................................235
D. WARRANTY ............................................................................................................236

3
1. Introduction
There are three models for the Gigabit Management Switch Series –
8TX+2SFP(10G) model, 16TX+2SFP(18G) model, and 24TX+4SFP(24G) model.
This Gigabit Management Switch is a Layer2 Management switch with lots of
advanced network functions including VLAN, trunking, spanning tree, mirror
port, rate limit, IGMP and port configuration. Console is supported for
command-line settings. Web, Telnet, and SNMP interfaces are for remote
switch management through network. IEEE 802.1x is supported for port
security application. These functions can meet most of the management
request for current network.
1.1 Package Contents
One Gigabit Management Switch
One AC power cord (*for AC power model only)
One console cable
Two rack-mount kits and screws (*for 24TX+4SFP models only)
This user's manual

4
2. Where To Place the Switch
This Switch can be placed on a flat surface (your desk, shelf or table).
Place the Switch at a location with these connection considerations in mind:
The switch configuration does not break the rules as specified in Section
3.
The switch is accessible and cables can be connected easilyto it.
The cables connected to the switch are away from sources of electrical
interference such as radio, computer monitor, and light fixtures.
There is sufficient space surrounding the switch to allow for proper
ventilation (the switch may not function according to specifications beyond
the temperature range of 0 to 50 degrees C).
For 8TX+2SFP/16TX+2SFP/24TX+4SFP model, you can also install the switch
on a 19" rack with rack-mount kits as the picture. (Rack-mount kits are option for
8TX+2SFP and 16TX+2SFP models).
<< Rack-Mount Installation >>
Before rack mounting the switch,please payattention to the following factors :
1.Temperature - Because the temperature in a rack assembly could be higher
than the ambient room temperature, check that the rack-environment
temperature is within the specified operating temperature range. (Please
refer to Product Specifications in the manual.) Air flow is necessary in a
rack for temperature stable.
2.Mechanical Loading - Do not place any equipment on top of this rack-

5
mounted switch.
3.Circuit Overloading - Be sure that the supply circuit to the rack assembly is
not overload after installing this switch.
4.Grounding - Rack-mounted equipment should be properlyand well grounded.
Particular attention should be given to supply connections other than direct
connections to the mains.
[Attach Rack-Mount Brackets to the Switch]
1.Position a Rack-Mount Bracket on one side of the Switch.
2.Line up the screw holes on the bracket with the screw holes on the side of the
switch.
3.Use a screwdriver to install the M3 flat head screws through the mounting
bracket holes into the switch. (There could have two or four screws for one
bracket. That depends on the model that installed.)
4.Repeat Step 1~3 to install another bracket to the switch.
5.Now it is readyto mount to a rack.
[Mount the Switch on a Rack]

6
1.Position a bracket that is already attached to the switch on one side of the
rack.
2.Line up the screw holes on the bracket with the screw holes on the side of the
rack.
3.Use a screwdriver to install the rack screws through the mounting bracket
holes into the rack.
4.Repeat Step 1~3 to attach another bracket that is already attached to the
switch on another side of the rack.

7
3. Configure Network Connection
3.1 Connecting Devices to the Switch
[ Connection Guidelines: ]
For 10BaseT connection : Category3 or 5 twisted-pair Ethernet cable
For 100BaseTXconnection : Category5 twisted-pair Ethernet cable
For 1000BaseTXconnection: Category5e or 6 twisted-pair Ethernet cable
For TX cable connection, always limit the cable distance to 100 meters
(328 ft) as defined byIEEE specification
If your switch has 100/1000BaseSX/LX connections, you can connect long
distance fiber optic cable to the switch.
Because this switch supports Auto MDI/MDI-X detection on each TX port,
you can use normal straight through cable for both workstation connection
and hub/switch cascading.
3.2 Connecting to Another Ethernet Switch/Hub
This Switch can be connected to existing 10Mbps / 100Mbps / 1000Mbps
hubs/switches. Because all TX ports on the Switch support Auto MDI/MDI-X
function, you can connect from anyTXport of the Switch to the MDI or MDI-X port
of another hub/switch with Straight Through or Crossover cables. If the
switches have fiber-optic ports,you can cascade them with fiber optic cable.

8
3.3 Application
A switch can be used to overcome the hub-to-hub connectivity limitations as
well as improve overall network performance. Switches make intelligent
decisions about where to send network traffic based on the destination address
of the packet.As a result,the switch can significantlyreduce unnecessarytraffic.
The example below demonstrates the switch ability to segment the network.
The number of nodes on each segment is reduced thereby minimizing network
contention (collisions) and boosting the available bandwidth per port.
With Management function of the switch, network administrator is easy to
monitor network status and configure for different applications.

9
4. Adding Module
This switch supports SFP (for 100/1000SX/LX/… modules) connectors for fiber
optic connection. Because the SFP slots support hot-swap function, you can
plug/unplug SFP transceiver to/from the SFP slot directly. The switch can
auto-detect the fiber optic connection from SFP slot.
SFPSlot
Follow the steps for module adding and removing.
[ Add SFP Transceiver ]
1. Plug in the SFP Transceiver to SFP slot directly.
2. Connect network cable to the SFP Transceiver. If the connected devices
are working, the Link/Act LED will be ON.
[ Remove SFP Transceiver ]
Unplug the SFP Transceiver from SFP slot directly.

10
5. LEDs Conditions Definition
The LEDs provide useful information about the switch and the status of all
individual ports.
[ For 8TX+2SFP / 16TX+2SFP / 24TX+4SFP Models ]
LED
STATUS
CONDITION
Pow er
ON
Switch is receiving power.
OFF
Switch is power OFF.
System
OFF
Systemis booting.
Green
Systemis running.
Link / Act
ON
Port has established a valid link.
Flashing
Data packets being received or sent.
Green
The connection speed is 1000Mbps.
Yellow
The connection speed is 10Mor 100Mbps.

11
6. Manage / Configure the Switch
6.1 Introduction of the management functions
This switch is a L2 Management switch. It supports in-band management
function from Http/Telnet/SNMP interfaces. Console is supported for local
command-line settings. It supports network configuration functions, like
VLAN, Trunking, Port Mirror, QoS, spanning tree and software backup/update.
Users can configure these functions for different network applications. The
following is a brief introduction about these functions before the detail operation
sections.
1.VLAN (Virtual LAN)
VLAN can divide the switch to several broadcast domains to prevent network
traffic between different user groups. This switch supports 802.1Q tag-
based VLAN and Port-based VLAN. Users with the same VLAN ID can
transfer data to each other. The network traffic will be blocked if they have
different VLAN ID. VLAN Stacking function for 802.1Q tag-based VLAN is
supported. It allows two VLAN tags in a packet for 802.1Q VLAN tunnelling
application through a central network.
2.Trunk
If two switches are cascaded together, the bottleneck will happen at the
cascading connection. If more cables could be used for the cascading
connection, it will reduce the bottleneck problem. In normal case,
switches will become unstable because of traffic looping when more than
one cable is connected between them. If the switches support trunk
function, theycan treat these cables as one connection between them. The
traffic looping will not happen between these cables and the switches will
work stable with bigger bandwidth between them.
Notes: About redundant application
The trunk connection supports redundant function. If any trunk cable is
broken, the traffic going through that cable will be transferred to another trunk
cable automatically. For example, if traffic of user port Port 6 is assigned to
Port 1 in a Trunk and Port 1 connection breaks, Port 2 will take over the traffic
for Port 6 automatically. (It could be used for redundant application.)
3.Spanning Tree Protocol / Rapid Spanning Tree Protocol
Spanning tree is a protocol to prevent network loop in network topology. If
network loop happens, it will cause switches in the network unstable
because more and more traffic will loop in the network. If network loop
happens, spanning tree protocol will block one connection in the loop

12
automatically. But it will also cause a period of delay (30 seconds for STP
and shorter time for RSTP) if any network connection is changed because of
the network topologydetection operation of the protocol.
Because there could be more than one switch in the network, users can
configure this function for their network spanning tree application.
4.Port Mirror
This switch operates in store-and-forward algorithm so it is not possible to
monitor network traffic from another connection port. But the port mirror
function can copy packets from some monitored port to another port for
network monitor.
5.QoS
For Quality of Service request in a network, packets could be classified to
different forwarding priorities. For real-time network traffic (like video,
audio), it needs higher priority than normal network traffic. With the
definition of packet priority, it could have 8 priority levels (from 0 to 7). This
switch supports eight priority level queues on each port. It could be
configured for port-based, 802.1P tagged based, or DiffServ of IP packets
priority. User can define the mapping of priority values to the priority
queues.
6.Static Mac ID in ARL table
The switch can learn the Mac address from user’s packets and keep these
Mac address in the ARL table for store-and-forward table lookup operation.
But these Mac addresses will be deleted from ARL table after some time
when users do not send any packets to the switch. This operation is called
aging and the time is called aging time. It is about 5 minutes normally (it
could be changed byusers.) If users want to keep a Mac address always in
ARL table on some port, they can assign the Mac address to ARL table.
These Mac ID are called Static Mac address. This switch supports static
Mac address assignment. The static Mac address assignment will also limit
the Mac address could be used on the assigned port only with the port security
configuration function. For example, assigning “00-00-e2-11-22-33” to Port 5
will always keep this Mac ID alive on Port 5 but also limit this Mac address
could work on Port 5 only.
Note: About Static Mac Address Filter-in (port binding) function
There is a Mac Security function for port security. If Mac Table Learning is
set to “Secure”, only these static Mac addresses can access network through
the assigned port. The other Mac addresses will be forbidden for network
access through that port. This function can be used for port binding security
application. Please refer to Section 6.3 for the details of the Mac address
filter-in operation of the switch.

13
7.Dynamic Mac ID Number Limit
Beside Static Mac ID Limit, there is another Dynamic Mac ID Number Limit
function for Mac address security on port. This function can limit the Mac ID
number to access network through a port. For example, five Mac ID are
allowed for Port 2. Thatmeans up to five users are allowed, but don’t care
who the users are. It is done by “Limit Control” function in “Security -
Network” function.
8.IEEE 802.1xPort SecurityFunction
If the 802.1x function is enabled, the switch will act as an authenticator for
users accessing network through the switch. It will need a RADIUS server
for the authentication function. Users will be asked for username and
password before network access. If the RADIUS server authenticates it, the
switch will enable the port for network access. This function is very useful
for network security application to prevent illegal users access network
through the switch.
9.Rate Control
This function can limit the traffic rate for physical ports. The traffic could be
ingress traffic or egress traffic. This function can limit the network
bandwidth utilization ofusers.
10.IP Multicast with IGMP Snooping
IP multicast function can forward packets to a group of users connected on
different ports. The user group is learned bythe switch from packets of IGMP
active router with IGMP snooping function. It is often used for video
applications
11.MVR (Multicast VLAN Registration)
VLAN function will isolate traffic between VLAN groups. But it will also
isolate IP multicast traffic for subscribers in different VLANs. The MVR
function allows one multicast VLAN to be shared by subscribers in different
VLANs. That can reduce the multicast traffic for VLANs.
12.DHCP Relay& DHCP Option 82
DHCP Relay function will control DHCP requests and forward DHCP
requests to the assigned DHCP server. DHCP Option 82 function will add
port and switch information to DHCP requests and then send to the assigned
DHCP server. Based on those information, DHCP server will assign an IP
configuration in the DHCP reply. This is a securityfunction.
13.DHCP Snooping
DHCP Snooping function will assign a trusted port for DHCP server
connection, and snoop the DHCP activity between clients and server. This
function can prevent illegal DHCP server connection.

14
14.IP Source Guard
This function can limit the IP address for accessing network from switch port.
That can prevent illegal IP problem in network.
15.ACL (Access Control List)
This function is used to define network access control policy - a list of packet
filtering rules. The filtering conditions are Layer2 ~ Layer4 - including Mac
address, VLAN ID, Ethernet Type, IP address, ARP Packets, ... If conditions
are matched, the traffic could be discarded, forwarded, logging or rate limit.
16.LLDP (Link Layer Discover Protocol)
LLDP protocol is used by network devices to advertise their identity,
capabilities, and interconnections on a LAN network. This switch can
advertise its system information, and show the information of the connected
network devices byLLDP protocol.
17.Software Backup/Update
This switch supports backup and update functions for its internal software
and its network configuration. Itcould be done in two ways.
a.From web browser : doing byhttp protocol and by web browser for run-time
code and configuration backup/update.
b. From telnet or console command : doing by tftp protocol for run-time code
and configuration backup/update.

15
6.2 Settings with Console Connection
6.2.1 Basic of the Console Interface
<< Enter Console Interface >>
Please follow the steps to complete the console hardware connection first.
1. Connect from console port of the switch to COM port of PC with the console
cable.
2. Start the terminal program of Windows. Create a new connection and
select COM port of PC used for the console. Set the configuration of the
terminal as [115200,8,N,1]. (You can find the terminal program in [Start] ->
[Programs] -> [Accessory Programs] -> [Communication] -> [Terminal]. If
you cannot find it, please install it from your Windows Installation Disk.
Please refer to your Windows user manual for the installation.)
3. Power on the switch.
If everything is correct, the booting screen will appear in the terminal program
when the switch is powered on. It will stop at the following screen after some
initializing messages.
-------------------------------------------------------------------------------------------------------
................................................................................
................................................................................
Software Version: 10-PVer:1.00.00
MAC Address : 00-00-00-11-22-33
Number of Ports : 10
Username:
-------------------------------------------------------------------------------------------------------
<< Previlege Levels for Users >>
There are three previlege levels for users of the switch - administrator, operator,
and guest, with previlege level 3, 2, 1. Use “username” command in system
configure mode under prompt “(config)#” to create users. The system default
user is “admin” with password “admin” and previlege level 3.
[ administrator level ]
The default user name and password is "admin" / ”admin”. And users with

16
administrator level could be created with “username” command under
“(config)#”. The previlege level is “3” for them.
After login the switch, a prompt “#” will be shown. Because this switch
supports command-line for console interface, you can press “?” to check the
command list.
With “?”command, you can find the command list as follow.
---------------------------------------------------------------------------------------------
# ?
exit Exit fromcurrent mode
help Show available commands
history Show a list of previously run commands
logout Disconnect
ping Ping IPv4 address (ICMPv4 echo) packets to other network nodes
ping6 Ping IPv6 address (ICMPv6 echo) packets to other network nodes
quit Quit commands
reload Halts and performs a w armrestart
show Shows information
configure Enter configuration mode
copy Copies fromone file to another
#
---------------------------------------------------------------------------------------------
These are the basic system commands for the switch.
For system configuring, “configure” command can enter the configure mode.
And the prompt will become ...
----------------------------------------------------------------
# configure
(config)#
----------------------------------------------------------------
In the configure mode, the general configuration of switch can be done. And
“exit” command can leave this mode.
If settings for port, “interface” command is used. And the prompt will
become ...
----------------------------------------------------------------
(config)# interface ethernet 1/5
(config-if)#
----------------------------------------------------------------
“ethernet 1/5” means Ethernet interface 1, port 5. And “exit” command can
leave this mode.
“interface” command has another sub-command “vlan”. IP address of the

17
switch can be configured in this mode.
----------------------------------------------------------------
(config)# interface vlan 10
(config-if)#
----------------------------------------------------------------
[ operator level ]
Users with operator level could be created by administrator with “username”
command under “(config)#”. The previlege level is “2” for them.
After login the switch, a prompt “>” will be shown. Because this switch
supports command-line for console interface, you can press “?” to check the
command list.
With “?”command, you can find the command list as follow.
---------------------------------------------------------------------------------------------
> ?
exit Exit fromcurrent mode
help Show available commands
history Show a list of previously run commands
logout Disconnect
ping Ping IPv4 address (ICMPv4 echo) packets to other network nodes
ping6 Ping IPv6 address (ICMPv6 echo) packets to other network nodes
quit Quit commands
reload Halts and performs a w armrestart
show Shows information
copy Copies fromone file to another
>
---------------------------------------------------------------------------------------------
These are the basic system commands for the switch.
With operator level, it is allowed to view the switch status and configuration, and
run some system maintenance commands.
[ guest level ]
Users with guest level could be created by administrator with “username”
command under “(config)#”. The previlege level is “1” for them.
After login the switch, a prompt “>” will be shown. With “?”command, you can
find the command list as follow.
---------------------------------------------------------------------------------------------
> ?