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LANCOM GS-1224
LANCOM GS-1224P
LANCOM GS-1224 and LANCOM GS-1224P
쮿 Preface
3
EN
Preface
Thank you for your confidence in us!
LANCOM Switches are ideally suited to small, medium-sized and performance
networks in business environments.
The LANCOM GS-1224 switch features 24 Gigabit-Ethernet and four combo
ports (TP/SFP), it integrates perfectly into LANCOM's Advanced Routing und
Forwarding and it supports up to 24 active VLANs. It uses bandwidth control
to prioritize the data traffic according to predefined criteria (e.g. voice data or
certain ports).
The LANCOM Switch can be managed with the clearly structured Webconfig
and is supported by the LANCOM Management Tools (LANconfig and
LANmonitor).
Furthermore the LANCOM GS-1224P switch supports Power-over-Ethernet
for connected network devices. The overall power output of 185 Watts from
the PoE supply can be flexibly divided between the ports.
Model variants
This documentation is intended for LANCOM Switch users. The following
models are available:
쮿 The LANCOM GS-1224 without PoE support.
쮿 The LANCOM GS-1224P with PoE support.
Model
restrictions
Passages applying only to certain models are identified either in the text itself
or by a comment in the margin.
Otherwise the documentation refers to all models collectively as the LANCOM
Switch series.
This documentation was created by …
... several members of our staff from a variety of departments in order to
ensure you the best possible support when using your
LANCOM
product.
Should you find any errors, or if you would like to suggest improvements, ple-
ase do not hesitate to send an e-mail directly to:
info@lancom.eu
I
Our online services www.lancom.eu are available to you around the
clock if you have any questions on the content in this manual, or if you
require any further support. The area 'Support' will help you with
LANCOM GS-1224 and LANCOM GS-1224P
쮿 Contents
5
EN
Contents
1 Introduction 7
1.1 Key Features in the Device 7
1.2 Just what can your LANCOM Switch do? 8
2 Installation 10
2.1 Package content 10
2.2 System requirements 10
2.3 Status displays and interfaces 10
2.3.1 Connectors, LEDs and buttons on the LANCOM GS-1224
11
2.3.2 Connectors on the back of the LANCOM GS-1224 12
2.4 Mounting and connecting up the LANCOM Switch 12
2.5 Software installation 13
2.5.1 Starting the software setup 13
2.5.2 Which software should I install? 14
3 Configuring and monitoring the LANCOM Switch 15
3.1 Configuration with WEBconfig 15
3.2 Back up and reload the configuration 16
3.3 Monitoring the LANCOM Switch with LANmonitor 17
3.3.1 Ethernet port status 17
LANCOM GS-1224 and LANCOM GS-1224P
쮿 Contents
6
EN
4 Operation of Web-based Management 18
4.1 Web Management Home Overview 18
4.2 Configuration 20
4.2.1 System Configuration 20
4.2.2 Port Configuration 23
4.2.3 PoE 24
4.2.4 VLAN Mode Configuration 27
4.2.5 VLAN Group Configuration 30
4.2.6 Aggregation 34
4.2.7 LACP 35
4.2.8 RSTP 36
4.2.9 802.1x Configuration 38
4.2.10 IGMP Snooping 46
4.2.11 Mirror Configuration 47
4.2.12 QoS (Quality of Service) Configuration 48
4.2.13 Filter 51
4.2.14 Rate Limit 52
4.2.15 Storm Control 53
4.2.16 SNMP 54
4.3 Monitoring 56
4.3.1 Detailed Statistics 56
4.3.2 LACP Status 60
4.3.3 RSTP Status 61
4.3.4 IGMP Status 62
4.3.5 Ping Status 63
4.4 Maintenance 64
4.4.1 Warm Restart 64
4.4.2 Factory Default 65
4.4.3 Software Upgrade 65
4.4.4 Configuration File Transfer 65
4.4.5 Logout 66
5 Appendix 67
5.1 Performance data and specification 67
5.2 Connector wiring 69
5.2.1 Ethernet interface 10BASE-T/100BASE-TX/1000BASE-T
69
5.3 CE-declarations of conformity 69
LANCOM GS-1224 and LANCOM GS-1224P
쮿 Chapter 1: Introduction
7
EN
1 Introduction
The LANCOM GS-1224 is a websmart layer-2 switch with 20 Gigabit ports (for
twisted pair cable – TP) and four Gigabit dual media ports with TP/SFP, which
meets the IEEE 802.3 Gigabit, Fast Ethernet and Ethernet specifications.
The LANCOM Switches can be configured through WEBconfig.
The overall network management is enhanced and the network efficiency is
also improved to accommodate high bandwidths. In addition, the switch fea-
tures comprehensive and useful function such as QoS (Quality of Service),
Spanning Tree, VLAN, Port Trunking, Bandwidth Control, Port Security, SNMP
and IGMP Snooping capability via the intelligent software. It is suitable for
both metro-LAN and office application.
The LANCOM GS-1224P switch also complies with IEEE 802.3af, its advanced
auto-sensing algorithm enables providing power devices (PD) discovery, clas-
sification, current limit, and other necessary functions. It also supports high
safety with short circuit protection and power-out auto-detection to PD.
The 10/100/1000 Mbps TP-Ports are standard Ethernet ports that meets all
IEEE 802.3/u/x/z (Gigabit and Fast Ethernet) specifications.
The 1000 Mbps SFP Fiber transceiver are Gigabit Ethernet ports that fully
complies with all IEEE 802.3z and 1000Base-SX/LX standards. The Single
Fiber WDM (BiDi) transceiver is designed with an optic Wavelength Division
Multiplexing (WDM) technology that transports bi-directional full duplex sig-
nal over a single fiber simultaneously.
1.1 Key Features in the Device
쮿 QoS:
Support Quality of Service by the IEEE 802.1P standard. There are two
priority queue and packet transmission schedule using Weighted Round
Robin (WRR). User-defined weight classification of packet priority can be
based on either VLAN tag on packets or user-defined port priority.
쮿 Spanning Tree:
Support IEEE 802.1D, IEEE 802.1w (RSTP: Rapid Spanning Tree Protocol)
standards.
쮿 VLAN:
Support Port-based VLAN and IEEE 802.1q Tag VLAN. Support 24 active
VLANs and VLAN ID 1~4094.
LANCOM GS-1224 and LANCOM GS-1224P
쮿 Chapter 1: Introduction
8
EN
쮿 Port Trunking:
Support static port trunking and port trunking with IEEE 802.3ad LACP.
쮿 Bandwidth Control:
Support ingress and egress per port bandwidth control.
쮿 Power saving:
The switch can detect inactive links and deactivate the power supply for
the corresponding ports
쮿 SNMP:
SNMP agent. In the device, SNMP agent is a client software which is ope-
rating over SNMP protocol used to receive the command from SNMP
manager (server site) and echo the corresponded data, i.e. MIB object.
Besides, SNMP agent will actively issue TRAP information when happe-
ned.
The device supports MIB II (RFC1213), Bridge MIB (RFC1493), Interface
Group MIB (RFC2863).
쮿 IGMP Snooping:
Support IGMP version 2 (RFC 2236): The function IGMP snooping is used
to establish the multicast groups to forward the multicast packet to the
member ports, and, in nature, avoid wasting the bandwidth while IP mul-
ticast packets are running over the network.
1.2 Just what can your LANCOM Switch do?
LANCOM GS-
1224
LANCOM GS-
1224P
Hardware
Supports 20-port 10/100/1000 Mbps TP ports and auto MDIX function
✔✔
4 Gigabit dual media ports(TP/SFP)
✔✔
Hot-Plugging for SFP modules
✔✔
400KB packet buffer
✔✔
Support of Jumbo frames (maximum 9600 bytes)
✔✔
Full-duplex flow control (IEEE 802.3x)
✔✔
LANCOM GS-1224 and LANCOM GS-1224P
쮿 Chapter 2: Installation
11
EN
C
Please be aware that LANmonitor shows far more information about
the status of the LANCOM Switch than the LEDs ' Monitoring the
LANCOM switch with LANmonitor'.
2.3.1 Connectors, LEDs and buttons on the LANCOM GS-1224
Located on the front of the device are connectors for different cabletypes,
light-emitting diodes (LEDs) that provide information on device status, and
also a button.
POWER LED
Constant green when power is supplied to the device.
LINK / ACT LED
Port 1 to 24
쮿 Constant green when the network connection is established to the con-
nected device.
쮿 Blinks during data transfer.
쮿 Off if no network connection can be established to the connected device.
10/100/1000
Mbps LED
쮿 Constant green when the 1000 Mbps mode is active.
쮿 Constant orange when the 100 Mbps mode is active.
쮿 Off when the 10 Mbps is active.
SFP (LINK/ACT)
LED
쮿 Constant green when the network connection is established to the con-
nected device.
쮿 Blinks during data transfer.
쮿 Off if no network connection can be established to the connected device.
Reset
Button to reset the system. If you press the button longer than three seconds,
all settings will be reset to default (factory setting).
D
The device starts after the reset in an unconfigured mode and all set-
tings will get lost. Therefore you should save the actual configuration
before you reset the device!
TP connectors
Connectors for twisted-pair cables.
SFP connec-
tors
Connectors for small form-factor pluggable (SFP) modules.
쐃쐇
LANCOM GS-1224 and LANCOM GS-1224P
쮿 Chapter 2: Installation
12
EN
2.3.2 Connectors on the back of the LANCOM GS-1224
The following connectors are located on the rear of the device.
Connector for the power supply cable.
2.4 Mounting and connecting up the LANCOM Switch
Installating the LANCOM Switch involves the following steps:
Mounting – The device is designed for mounting in an available 19” unit
in a server cabinet. If necessary fix the rubber pads to the underside of the
device to prevent any scratching to other equipment.
C
Ensure that the device has sufficient ventilation to prevent damage
from excessive heat build-up.
LAN connection – Connect the network devices to the ports of the LAN-
COM Switch by means of a suitable twisted-pair cable (TP cable). The con-
nectors automatically detect the avalable data transfer speeds and the pin
assignment (autosensing).
I
Use only standard TP cables of category CAT 5e or better with a maxi-
mum length of 100 m to ensure the best possible transfer of data.
Cross-over cables can be used thanks to the auto-sensing function.
I
If optical connections are to be used, additional modules can be
purchased as accessories.
Supply power and switch on – Supply power to the device by means of
the IEC power cable.
Ready for operation? – After a brief self-test, the power LED lights up
continuously. Green LAN-LINK LEDs show which LAN connectors are
being used for a connection.
LANCOM GS-1224
LANCOM GS-1224 and LANCOM GS-1224P
쮿 Chapter 2: Installation
13
EN
2.5 Software installation
The following section describes the installation of the Windows-compatible
system software LANtools, as supplied.
I
You may skip this section if you use your LANCOM Switch exclusively
with computers running operating systems other than Windows.
2.5.1 Starting the software setup
Place the supplied data medium (CD/DVD) into your drive. The setup program
will start automatically.
I
If the setup does not start automatically, run AUTORUN.EXE in the
root directory of the data medium.
In Setup, select Install software. The following selection menus will appear
on screen:
LANCOM GS-1224 and LANCOM GS-1224P
쮿 Chapter 2: Installation
14
EN
2.5.2 Which software should I install?
쮿 LANconfig is the Windows configuration program for all LANCOM
devices. LANconfig searches for all LANCOM devices in your network.
You can use this to start the Web-based configuration of a LANCOM
Switch.
쮿 With LANmonitor you can use a Windows computer to monitor all of
your LANCOM devices. This program displays all important status infor-
mation for a LANCOM Switch, such as link status or port PoE state.
쮿 With Documentation you copy the documentation files onto your PC.
Select the appropriate software options and confirm your choice with Next.
The software is installed automatically.
LANCOM GS-1224
쮿 Chapter 3: Configuring and monitoring the LANCOM Switch
16
EN
LANconfig automatically searches for all available devices in your net-
work. Any available LANCOM devices will be displayed in the list, inclu-
ding the LANCOM Switch. Double-click on this entry to start the browser
automatically with the correct IP address.
3.2 Back up and reload the configuration
With this function you can back up or reload you current configuration for
safety reasons. This backup can be uploaded into a new or defective device.
What is the IP address of my LANCOM Switch?
The current IP address of the LANCOM Switch after being switched on depends on the network
constellation.
Networks with DHCP server – In its factory settings, the LANCOM Switch is set for auto DHCP
mode, meaning that it searches for a DHCP server to assign it an IP address, subnet mask and
gateway address. The assigned IP address can only be determined by using the appropriate
tools or via the DHCP server. If the DHCP server is a LANCOM device, the IP address of the LAN-
COM Switch can be read out from the DHCP table. If this is the case, the LANCOM Switch can
be accessed from any network computer that receives its IP address from the same subnetwork.
Network without a DHCP server – If no DHCP server is present in the network, the LANCOM
Switch waits about 5 minutes and then automatically adopts the address "172.23.56.250".
If this is the case, the LANCOM Switch can be accessed from any network computer with its IP
address set to the address range "172.23.56.x".
LANCOM GS-1224
쮿 Chapter 3: Configuring and monitoring the LANCOM Switch
17
EN
3.3 Monitoring the LANCOM Switch with LANmonitor
The current state of the device and all ports can be monitored using the LEDs
on the front panel. With LANmonitor the devices can be observed from any
workstation without being able to see the LEDs. Besides the status informa-
tion provided by the LEDs the LANmonitor provides further important infor-
mation on the ports.
3.3.1 Ethernet port status
LANmonitor displays the current status of all of the device's Ethernet ports.
This includes monitoring of the state as configured by the admin (config state)
and the actual state (link state) of the port. Each port is displayed with two
colored symbols in LANmonitor:
쮿 The left icon shows the config state:
Gray: The port is deactivated in the configuration
Yellow: The port is activated in the configuration
쮿 The right-hand icon shows the link state:
Gray: No active network device is connected to the port
Green: A network device is connected to the port and active
LANCOM GS-1224 and LANCOM GS-1224P
쮿 Chapter 4: Operation of Web- based Management
18
EN
4 Operation of Web-based Management
This chapter instructs you how to configure and manage the switch through
the web user interface (WEBconfig). With this facility, you can easily access
and monitor through any one port of the switch all the status of the switch.
The default values of the managed switch are listed in the table below:
Web Smart Switch supports a simplified user management function which
allows only one administrator to configure the switch at one time. Fill in the
IP address in the address row in a browser to start WEBconfig. The default
password is “admin”.
4.1 Web Management Home Overview
After login, System Information will be displayed as the following screenshot
illustrates:
LANCOM GS-1224/
GS-1224P
IP Adress 172.23.56.250
Subnet Mask 255.255.255.0
Default Gateway 172.23.56.254
Password admin
LANCOM GS-1224 and LANCOM GS-1224P
쮿 Chapter 4: Operation of Web- based Management
19
EN
The Information of Page Layout
The top part of the information page shows the front panel of the switch. Lin-
ked ports are displayed in green color, and ports without link in black.
The ports for the optional SFP modules show a demonstration of the module,
if it is installed. Ports without installed SFP modules show covered plates.
On the left side, the main menu tree for web management is listed on the
page. According to the function name in bold, all functions can be divided
into three parts: Configuration, Monitoring and Maintenance. The functions
of each folder are described in its corresponded section respectively. When cli-
cking it, the function is performed.
LANCOM GS-1224 and LANCOM GS-1224P
쮿 Chapter 4: Operation of Web- based Management
20
EN
4.2 Configuration
Configuration includes the following functions: System Configuration, Ports
Configuration, VLAN Mode Configuration, VLAN Group Configuration, Aggre-
gation, LACP, RSTP, 802.1X, IGMP Snooping, Mirror, QoS, Filter, Rate Limit,
Storm Control and SNMP.
4.2.1 System Configuration
In the system configuration you can define the basic parameter for the confi-
guration and the operation of the device. The switch supports manual IP
address setting and further address information via DHCP or the manual set-
ting of a fixed IP address.
Parameter:
쮿 System Description:
The simple description of this switch.
쮿 Firmware Version:
The firmware version of this switch.
LANCOM GS-1224 and LANCOM GS-1224P
쮿 Chapter 4: Operation of Web- based Management
21
EN
쮿 Hardware Version:
The hardware version of this switch.
쮿 MAC Address:
It is the Ethernet MAC address of the management agent in this switch.
쮿 Serial Number:
The serial number assigned by the manufacturer.
쮿 Active IP Address:
Shows the active IP address of this switch.
쮿 Active Subnet Mask:
Shows the active subnet mask of this switch.
쮿 Active Gateway:
Shows the active gateway of this switch.
쮿 DHCP Server:
Shows the IP address of the DHCP server.
쮿 Lease Time Left:
Show the lease time left of DHCP client.
쮿 Device Name:
Set a special name for this switch. Up to 16 characters are allowed in this
parameter. Any alphanumeric character and zero are acceptable.
Default: no default
쮿 DHCP Enabled:
You can enable the automatic delivery of an IP address and activate
further adress information via DHCP.
Default: enabled
쮿 Fallback IP Address:
Fill in an IP address, which is used by the device, if DHCP is disabled or
the DHCP server is not accessible.
Default: 172.23.56.250
쮿 Fallback Subnet Mask:
Fill in a subnet mask, which is used by the device, if DHCP is disabled or
the DHCP server is not accessible.
Default: 255.255.255.0
LANCOM GS-1224 and LANCOM GS-1224P
쮿 Chapter 4: Operation of Web- based Management
55
EN
must have the same community name. Once completing the setting, click
Apply and the setting takes effect.
Parameter:
쮿 SNMP enable:
Enables or disables SNMP.
Default: Enabled
쮿 Get/Set/Trap Community:
The community name is used as password for authenticating if the
requesting network management unit belongs to the same community
group. If they both don’t have the same community name, they don’t
belong to the same group. Hence, the requesting network management
unit cannot access the device with a different community name via the
SNMP protocol; If they both have the same community name, they can
talk to each other.
The community name is user-definable variable with a maximum length
of 15 characters and is case sensitive. It is not allowed to put any blank in
the community name string. Any printable character is allowable. The
community name for each function works independently. Each function
has its own community name. Say, the community name for READ only
works for the READ function and can’t be applied to other functions such
as WRITE or TRAP.
Default SNMP function : enable
Default community name for Get: public
56

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