Graco GE-DS-242-POE User Manual
GE
Security
GE-DS-242-PoE Managed
Ethernet Switch User Manual
P/N 1069174 • REV 1.0 • ISS 22FEB10
Copyright
Disclaimer
Trademarks and patents
Intended use
FCC compliance
Regulatory information N4131
Manufacturer
© 2010 GE Security, Inc.
This document may not be copied in whole or in part or otherwise reproduced without prior
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Use this product only for the purpose it was designed for; refer to the data sheet and user
documentation for details. For the latest product information, contact your local supplier or visit
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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. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a commercial environment.
This equipment generates, uses, and can radiate radio frequency energy and, if not installed
and used in accordance with the instruction manual, may cause harmful interference to radio
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responsible for compliance could void the user's authority to operate the equipment.
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Content
Chapter 1 Introduction 1
Package Contents 2
Product Description 2
How to Use this Manual 3
Product Features 4
Product Specifications 7
Chapter 2 Installation 11
Hardware Description 12
Switch Installation 15
Chapter 3 Switch Management 21
Requirements 22
Management Access Overview 22
Web Management 23
SNMP-Based Network Management 25
Administration Console 25
Protocols 27
Management Architecture 28
Chapter 4 Web-Based Management 29
About Web-based Management 29
System 34
VLAN Configuration 54
Rapid Spanning Tree 69
Trunking 81
Forwarding and Filtering 88
IGMP Snooping
91
QoS Configuration 96
Access Control List 102
MAC Limit 107
802.1X Configuration 109
Power Over Ethernet 116
Chapter 5 Console Management
121
Login in the Console Interface 121
Configure IP address 123
Commands Level 125
GE-DS-242-PoE Managed Ethernet Switch User Manual i
Chapter 6 Command Line Interface 127
Operation Notice 127
System Commands 128
Switch Static Configuration 129
Trunk Configuration
VLAN Configuration
135
138
Misc Configuration 147
Administration Configuration 149
MAC limit 154
Port Mirroring Configuration 155
Quality of Service 156
MAC Address Configuration 159
STP/RSTP Commands 162
SNMP 167
IGMP 171
802.1x Protocol 173
Access Control List 177
Binding 182
Power over Ethernet Commands 184
Chapter 7 Switch Operation 191
Chapter 8 Power Over Ethernet Overview 193
What is PoE? 193
Chapter 9 Troubleshooting 201
Appendix A RJ-45 Pin Assignment 203
Switch's RJ-45 Pin Assignments
10/100Mbps, 10/100Base-TX 204
203
ii GE-DS-242-PoE Managed Ethernet Switch User Manual
Chapter 1
Introduction
The GE Security GE-DS-242-PoE offers 24 10/100Mbps Fast Ethernet ports with 2
Gigabit TP/SFP combo ports (Port-25, 26). The two Gigabit TP/SFP combo ports can be
either 1000Base-T for 10/100/1000Mbps or 1000Base-SX/LX through SFP (Small
Form-Factor Pluggable) interface. The GE-DS-242-PoE has a high performance switch
architecture that is capable of providing non-blocking switch fabric and wire-speed
throughput as high as 8.8Gbps. Its two built-in GbE uplink ports also offer incredible
extensibility, flexibility and connectivity to the Core switch or Server.
The PoE in-line power following the standard IEEE 802.3af makes the GE-DS-242-PoE
able to power on 24 PoE devices at the distance up to 100 meters through the 4-pair
Cat 5/5e UTP wire.
GE-DS-242-PoE Managed Ethernet Switch User Manual 1
Chapter 1: Introduction
Package Contents
What’s in the box
Open the Managed Switch box and carefully unpack it. The box should contain the
following items:
The Managed Switch
x1
User’s manual CD
Installation Sheet
19” Rack mount accessory kit
Power cord
Rubber feet
RS-232 cable
x1
x1
x1
x1
X4
x1
If any of these are missing or damaged, please contact your dealer immediately. If
possible, retain the carton including the original packing material, and use them to
repack the product in case there is a need to return it.
Product Description
High Performance Wire-Speed Switching
The GE Security GE-DS-242-PoE Managed Switch offers 24 Ethernet ports with 2
Gigabit TP / SFP combo ports (Port-25, 26). The type 24 Fast Ethernet ports of GE-DS242-PoE are 10 / 100Base-TX copper (RJ-45). These two Gigabit TP / SFP combo ports
of all models can be either 1000Base-T for 10/100/1000Mbps or 1000Base-SX/LX
through SFP (Small Form-factor Pluggable) interface. The distance can be extended
from 100 meters (TP), 550 meters (Multi-mode fiber), up to above 10/50/70/120
kilometers (Single-mode fiber).
The series Managed Switch boasts a high performance switch's architecture that is
capable of providing non-blocking switch fabric and wire-speed throughput as high
as 8.8Gbps. Its two built-in GbE uplink ports also offer incredible extensibility, flexibility
and connectivity to the Core switches or Servers.
2 GE-DS-242-PoE Managed Ethernet Switch User Manual
Chapter 1: Introduction
Power Over Ethernet
The PoE in-line power following the standard IEEE 802.3af makes the GE-DS-242-PoE
able to power on 24 PoE devices at a distance of up to 100 meters through the 4-pair
Cat 5/5e UTP wire.
Cost-effective solution with SNMP monitor for Network deployment
GE Security releases the cost-effective Managed Switch not only for catering to the
need of easy WEB-based management, but also the centralized SNMP application to
monitor the status of Switch and traffic per port. The key features are:
• WEB / SSL / Telnet
• 802.1Q / Q-in-Q VLAN
• Rapid Spanning Tree
• IGMP Snooping
• 802.1X Authentication / RADIUS
• Access Control List
• SNMP and 4 RMON groups
How to Use this Manual
This User Manual is structured as follows:
Section Section Content
INTRODUCTION Product description with features and specifications
INSTALLATION
SWITCH MANAGEMENT
WEB CONFIGURATION Explains how to manage the Managed Switch by Web interface
CONSOLE MANAGEMENT Describes how to use the Console management interface
COMMAND LINE
INTERFACE
Explains the functions of the Managed Switch, and how to physically
install the Managed Switch
Contains information about the software function of the Managed
Switch
Explains how to manage the Managed Switch by Command Line
interface
SWITCH OPERATION Explains how to operate the Managed Switch
POWER OVER ETHERNET
OVERVIEW
TROUBLESHOOTING Explains how to troubleshoot the Managed Switch
APPENDIX A Contains cable information for the Managed Switch
GE-DS-242-PoE Managed Ethernet Switch User Manual 3
Introduces the IEEE 802.3af PoE standard and PoE provision of the
Managed Switch.
Chapter 1: Introduction
Product Features
• Physical Port
o 24-Port 10/100Base-TX RJ-45 with PoE Injector
o 2-Port Gigabit TP/SFP combo interfaces
o Reset button for system management
o 1 RS-232 male DB9 console interface for Switch basic management and
setup
• Layer 2 Features
o Complies with the IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3z
Gigabit Ethernet standard
o High performance Store and Forward architecture, broadcast storm
control, runt/CRC filtering eliminates erroneous packets to optimize the
network bandwidth
o 8K MAC Address Table, automatic source address learning and ageing
o Support VLANs:
IEEE 802.1Q Tag-Based VLAN
Up to 255 VLANs groups, out of 4096 VLAN IDs
Port-Based VLAN
Q-in-Q tunneling (Double Tag VLAN)
o Supports Link Aggregation
Up to 13 Trunk groups
Up to 8 ports per trunk group with 1.6Gbps bandwidth (Full Duplex
mode)
IEEE 802.3ad LACP (Link Aggregation Control Protocol)
Cisco ether-Channel (Static Trunk)
o Support Spanning Tree Protocol:
STP, IEEE 802.1D (Classic Spanning Tree Protocol)
RSTP, IEEE 802.1w (Rapid Spanning Tree Protocol)
• Quality of Service
o 4 priority queues on all switch ports
o Traffic classification:
4 GE-DS-242-PoE Managed Ethernet Switch User Manual
Chapter 1: Introduction
IEEE 802.1p Class of Service
IP TOS / DSCP code priority
Port Base priority
o Strict priority and weighted round robin (WRR) CoS policies
o Ingress/Egress Bandwidth control on each port
• Multicast
o IGMP Snooping v1 and v2
o IGMP Query mode for Multicast Media application
o 256 multicast groups
• Security
o Layer 2 / 3 / 4 Access Control List (ACL)
o IEEE 802.1x Port-Based Authentication
o MAC address Filtering and MAC address Binding
o IP address security management to prevent unauthorized intruder
o Port Mirroring to monitor incoming or outgoing traffic on a particular port
• Management
o Switch Management Interface
Web switch management
Telnet Command Line Interface
SNMP v1, v2c switch management
Console local management
o SNMP Trap for alarm notification of events
o Four RMON groups 1, 2, 3, 9 (history, statistics, alarms, and events)
o Built-in Trivial File Transfer Protocol (TFTP) client
o Firmware upload / download via TFTP or HTTP
o Configuration upload / download via TFTP or HTTP
o Supports Ping function
• Power over Ethernet
o Complies with IEEE 802.3af Power over Ethernet End-Span PSE
o Up to 24 IEEE 802.3af devices powered
o Support PoE Power up to 15.4 watts for each PoE ports
GE-DS-242-PoE Managed Ethernet Switch User Manual 5
Chapter 1: Introduction
o Auto detect powered device (PD)
o Circuit protection prevent power interference between ports
o Remote power feeding up to 100m
o PoE Management
Total PoE power budget control
Per port PoE function enable/disable
PoE Port Power feeding priority
Per PoE port power limit
PD classification detection
PoE Power Supply Over temperature Protection
6 GE-DS-242-PoE Managed Ethernet Switch User Manual
Chapter 1: Introduction
Product Specifications
GE-DS-242-PoE
HARDWARE SPECIFICATIONS
10/100Mbps Copper Ports 24 10/100Base-TX RJ-45 Auto-MDI/MDI-X ports
1000Mbps Copper Ports 2 10/100/1000Base-T RJ-45 port
SFP/mini-GBIC Slots 2 SFP interfaces, shared with Port-25 and Port-26
Switch Architecture Store-and-Forward
Switch Fabric 8.8Gbps / non-blocking
Switch Throughput 6.547Mpps@64Bytes
Address Table 8K entries
Share Data Buffer 512Kbytes
Flash 4Mbytes
DRAM 16Mbytes
Maximum Frame Size 9K Bytes
Flow Control
LED
Dimensions (W x D x H) 440 x 300 x 44 mm, 1U height
Weight 4.3kg
Power Requirement 100~240V AC, 50-60 Hz
Power Consumption 400 Watts (Full PoE Load)
Operating Temperature Standard: 0 to 50°C
Operating Humidity 10% to 90% (Non-condensing)
Storage Temperature -20 to +70°C
Back pressure (for Half-Duplex)
IEEE 802.3x Pause Frame (for Full-Duplex)
Power, FAN Alarm
Link/Activity (Green)
PoE In-Use (Amber)
1000 LNK/ACT (Green)
10/100 LNK/ACT (Green)
Layer 2 Functions
Management Interface Console, Telnet, Web Browser, SNMP v1, v2c
GE-DS-242-PoE Managed Ethernet Switch User Manual 7
Chapter 1: Introduction
Port disable/enable
Port Configuration
Port Status
VLAN
Spanning Tree
Link Aggregation
Quality of Service
IGMP Snooping
Auto-negotiation 10/100Mbps full and half duplex mode selection
Flow Control disable / enable
Bandwidth control and broadcast storm filter on each port
Display each port's speed duplex mode, link status, flow control status,
auto-negotiation status
Port-Based VLAN, up to 26 VLAN groups
IEEE 802.1q Tagged Based VLAN , 4K VLAN ID, up to 256 VLAN groups
IEEE 802.1d Spanning Tree
IEEE 802.1w Rapid Spanning Tree
Static Port Trunk
IEEE 802.3ad LACP (Link Aggregation Control Protocol)
Supports 13 groups of 8-Port trunk support
Traffic classification based on:
• Port-Based priority
• 802.1p priority
• IP DSCP/TOS field in IP Packet
v1 and v2
256 multicast groups and IGMP query
Bandwidth Control Per port ingress/egress bandwidth control in steps of128Kbps
Port Mirror RX / TX / Both
802.1x Port-Based Network access control
MAC Limit
Security
Static MAC
MAC Filtering
Access Control List Supports up to 220 rule entries
RFC-1157 SNMP MIB
RFC-1213 MIB-II
RFC-1215 Trap
SNMP MIBs
RFC-2863 Interface MIB
RFC-1493 Bridge MIB
RFC-2674 Extended Bridge MIB (Q-Bridge)
RFC-1643
Power over Ethernet
PoE Standard IEEE 802.3af Power over Ethernet / PSE
8 GE-DS-242-PoE Managed Ethernet Switch User Manual
Chapter 1: Introduction
PoE Power Supply Type End-Span
PoE Power Output Per Port 48V DC, 350mA . Max. 15.4 watts
Power Pin Assignment 1/2(+), 3/6(-)
PoE Power Budget 380 Watts
Max. number of Class 2 PD 24
Max. number of Class 3 PD 24
Standards Conformance
Safety FCC Part 15 Class A, CE
IEEE 802.3 10Base-T
IEEE 802.3u 100Base-TX
IEEE 802.3z Gigabit SX/LX
IEEE 802.3ab Gigabit 1000Base-T
IEEE 802.3x Flow Control and Back pressure
Standards Compliance
Cable-Fiber-optic cable
IEEE 802.1d Spanning tree protocol
IEEE 802.1w Rapid spanning tree protocol
IEEE 802.1p Class of service
IEEE 802.1Q VLAN Tagging
IEEE 802.1x Port Authentication Network Control
IEEE 802.3af Power over Ethernet
• 50 / 125µm or 62.5 / 125µm multi-mode fiber cable:
- 100Base-FX: up to 2km
- 1000Base-SX: up to 220/550m
• 9 / 125µm single-mode cable, provides long distance for:
- 100Base-FX: up to 10/40/60km (vary on fiber transceiver or SFP
module)
- 1000Base-LX / ZX: 10 / 15 / 20 / 30 / 40 / 50 / 60 / 70 / 120km
(vary on fiber transceiver or SFP module)
GE-DS-242-PoE Managed Ethernet Switch User Manual 9
Chapter 1: Introduction
10 GE-DS-242-PoE Managed Ethernet Switch User Manual
Chapter 2
Installation
This section describes the hardware features and installation of the Managed Switch
on the desktop or rack mount.
For easier management and control of the Managed Switch, familiarize yourself with
its display indicators and ports. Front panel illustrations in this chapter display the
unit’s LED indicators.
Read this chapter completely before connecting any network device to the Managed
Switch.
GE-DS-242-PoE Managed Ethernet Switch User Manual 11
Chapter 2: Installation
Hardware Description
Switch Front Panel
The Switches front panel provides a simple interface for monitoring the Managed
Switch. Figure 2-1 shows the front panel of the Managed Switch.
Figure 2-1: GE-DS-242-PoE Switch front panel
10/100Mbps TP Interface
Port-1~Port-24: 10/100Base-TX Copper, RJ-45 Twist-Pair: Up to 100 meters.
Gigabit TP Interface
Port-25, Port-26: 10/100/1000Base-T Copper, RJ-45 Twist-Pair: Up to 100 meters.
Gigabit SFP Slots
Port-25, Port-26: 1000Base-SX/LX mini-GBIC slot, SFP (Small Form-Factor Pluggable)
transceiver module: from 550 meters (Multi-mode fiber), up to 10/30/50/70/120
kilometers (Single-mode fiber).
Console Port
The console port is a DB9, RS-232 male serial port connector. It is an interface for
connecting a terminal directly. Through the console port, it provides rich diagnostic
information includes IP Address setting, factory reset, port management, link status
and system setting. Users may use the attached RS-232 cable in the package and
connect to the console port on the device. After the connection, users may run any
terminal emulation program (Hyper Terminal, ProComm Plus, Telix, Winterm and so
on) to enter the device’s startup screen.
12 GE-DS-242-PoE Managed Ethernet Switch User Manual
Chapter 2: Installation
Reset button
At the left of front panel, the Reset button is designed to reboot the Managed Switch
without turning the power off. The following table summarizes the Reset button
functions:
Reset Button Pressed and Released Function
About 1~3 seconds Reboots the Managed Switch
Resets the Managed Switch to Factory Default configuration.
The Managed Switch will then reboot and load the default
settings as below:
Until the PWR LED goes out
• Default Password: admin
• Default IP address: 192.168.0.100
• Subnet mask: 255.255.255.0
• Default Gateway: 192.168.0.254
LED Indicators
The front panels LEDs indicate instant status of port links, data activity and system
power. They help monitor the system and aid in troubleshooting when necessary.
The front panel LEDs are shown in Figure 2-2.
Figure 2-2: GE-DS-242-PoE LED panel
GE-DS-242-PoE Managed Ethernet Switch User Manual 13
Chapter 2: Installation
• System
LED Color Function
PWR Green Lit: indicates there is power to the Switch
• Per 10/100Base-TX, PoE interfaces (Port-1 to Port-24)
LED Color Function
Lit: indicates the link through that port is successfully
LNK/ACT Green
PoE In Use Orange
established
Blink: indicares the Switch is actively sending or receiving data
over that port
Lit: indicates the port is providing 48VDC in-line power
Off: indicates the connected device is not a PoE Powered
Device (PD)
• Per 10/100/1000Base-T port/SFP interfaces
LED Color Function
Lit: indicates the port is operating at 1000Mbps
LNK/ACT 1000 Green
LNK/ACT 100 Green
Off: indicates the port is operating at 10Mbps or 100Mbps
Blink: indicates the Switch is actively sending or receiving data
over that port
Lit: indicates the port is operating at 100Mbps
Off: indicates the port is operating at 10Mbps or 1000Mbps
Blink: indicates the Switch is actively sending or receiving data
over that port
NOTE:
1. Press the RESET button once. The Switch will reboot automatically.
2. Press the RESET button for about 10 seconds. The Switch will revert to the factory
default mode; the entire configuration will be erased.
3. The 2 Gigabit TP/SFP combo ports are shared with port 25/26 of GE-DS-242-PoE.
Both of them can operate at the same time.
14 GE-DS-242-PoE Managed Ethernet Switch User Manual
Chapter 2: Installation
Switch Rear Panel
The rear panel of the Managed Switch includes an AC inlet power socket, which
accepts input power from 100 to 240VAC, 50-60 Hz. Figure 2-3 shows the rear panel
of the Managed Switch.
Figure 2-3: GE-DS-242-PoE Rear panel
3
2
POWER NOTICE:
1. The Managed Switch is a power-required device: it will not work unless it is
receiving power. If your networks must be active at all times, it is recommended
that the Switch be connected to a UPS (Uninterruptable Power Supply) to prevent
data loss or downtime.
2. In some areas, installing a surge suppression device may also help protect your
Managed Switch from being damaged by unregulated power surges or current to
either the Switch or the power adapter.
Switch Installation
This text describes how to install the Managed Switch and connect it as necessary.
Please read the following instructions, and perform the procedures in the listed order.
Desktop/Shelf Installation
NOTE: Refer to the environmental restrictions listed in the Product Specifications
when selecting a location for the Managed Switch.
Step 1: Attach the rubber feet to the recessed areas on the bottom of the Managed
Switch.
Step 2: Place the Managed Switch on a desktop or shelf near an AC power source, as
shown in Figure 2-4.
GE-DS-242-PoE Managed Ethernet Switch User Manual 15
Chapter 2: Installation
Step 3: Ensure there is enough ventilation space between the Managed Switch and
surrounding objects.
Figure 2-4: Typical placement of GE-DS-242-PoE on desktop
NOTE: Connection to the Managed Switch requires UTP Category 5 network cabling
with RJ-45 tips. Refer to the Cabling Specification in Appendix A for further
information.
Step 4: Connect the Managed Switch to network devices.
A. Connect one end of a standard network cable to the 10/100/1000 RJ-45 ports
on the front of the Managed Switch.
B. Connect the other end of the cable to the network devices (printer servers,
workstations, routers etc).
Step 5: Connect the Managed Switch to supply power.
A. Connect socket end of the power cable to the socket on the Managed Switch
rear panel.
B. Connect the power cable plug to a standard wall outlet.
C. Switch the power switch on the rear panel to ON.
When the Managed Switch receives power, the Power LED should light and remain
solid Green.
Rack-mount Installation
Use the following instructions to install the Managed Switch in a 19-inch standard
rack.
16 GE-DS-242-PoE Managed Ethernet Switch User Manual
Chapter 2: Installation
Step 1: Place the Managed Switch on a hard flat surface, with the front panel
positioned towards the front.
CAUTION: Use only the screws supplied with the mounting brackets. Damage caused
by using incorrect screws will invalidate the warranty.
Step 2: Attach the rack-mount bracket to each side of the Managed Switch. Use the
supplied screws attached to the package.
Figure 2-5 shows how to attach brackets to one side of the Managed Switch.
Figure 2-5: Attaching rack-mount brackets to the GE-DS-242-PoE
Step 3: Secure the brackets tightly, but do not overtighten screws.
Step 4: Follow the same steps to attach the second bracket to the opposite side.
Step 5: After the brackets are attached to the Managed Switch, use suitable screws to
securely attach the brackets to the rack, as shown in Figure 2-6.
Figure 2-6: Mounting the GE-DS-242-PoE in a rack
GE-DS-242-PoE Managed Ethernet Switch User Manual 17
Chapter 2: Installation
Step 6: Follow steps 4 and 5 of the Desktop Installation section to connect the
network cabling and supply power to the Managed Switch.
SFP Transceiver Installation
This section describes how to insert an SFP transceiver into an SFP slot.
SFP transceivers are hot pluggable and hot swappable. You can insert and remove a
transceiver to and from any SFP port without powering down the Managed Switch, as
shown in Figure 2-7.
Figure 2-7: Plugging-in the SFP transceiver
Approved GE Security SFP Transceivers
The Managed Switch supports both single-mode and multi-mode SFP transceivers.
The following list of approved GE Security SFP transceivers is correct at the time of
publication:
1000Base-SX/LX SFP transceiver:
• SFP1000SX-220 SFP (1000BASE-SX SFP transceiver - Multi mode / 220m)
• SFP1000LX-10Km SFP (1000BASE-LX SFP transceiver - Single Mode / 10km)
NOTE: It is recommended that only approved GE Security SFP transceivers be used on
the Managed Switch. If you insert an SFP transceiver that is not supported, the Switch
will not recognize it.
18 GE-DS-242-PoE Managed Ethernet Switch User Manual
Chapter 2: Installation
Before connecting the other switches, workstations or Media Converter:
1. Make sure both sides of the SFP transceiver are the same media type (for example:
1000Base-SX to 1000Base-SX, 1000Bas-LX to 1000Base-LX).
2. Verify that the fiber-optic cable type matches the SFP transceiver model.
• To connect to the 1000Base-SX SFP transceiver, use multi-mode fiber cable (one
side must be male duplex LC connector type).
• To connect to the 1000Base-LX SFP transceiver, use single-mode fiber cable (one
side must be male duplex LC connector type).
Connect the fiber cable:
1. Attach the duplex LC connector on the network cable into the SFP transceiver.
2. Connect the other end of the cable to a device (switches with SFP installed, fiber
NIC on a workstation, or a Media Converter).
3. Check the LNK/ACT LED of the SFP slot on the front of the Switch. Ensure that the
SFP transceiver is operating correctly.
4. Check the Link mode of the SFP port if the link failed. Co works with some fiber-NICs
or Media Converters, set the Link mode to "1000 Force" is needed.
Remove the transceiver module
1. Make sure there is no network activity by consult or check with the network
administrator, or through the management interface of the switch/converter (if
available) to disable the port in advance.
2. Remove the Fiber Optic Cable gently.
3. Turn the handle of the MGB module to horizontal.
4. Pull out the module gently through the handle.
GE-DS-242-PoE Managed Ethernet Switch User Manual 19
Chapter 2: Installation
Figure 2-8: Pulling out the SFP transceiver
CAUTION: Never pull out the module without pulling the handle or the push bolts on
the module. Pulling out the module with too much force could damage the module
and SFP module slot of the Managed Industrial Switch.
20 GE-DS-242-PoE Managed Ethernet Switch User Manual
Chapter 3
Switch Management
This chapter explains the methods that you can use to configure management
access to the Managed Switch. It describes the types of management applications
and the communication and management protocols that deliver data between your
management device (work-station or personal computer) and the system. It also
contains information about port connection options.
This chapter covers the following topics:
• Requirements
• Management Access Overview
• Administration Console Access
• Web Management Access
• SNMP Access
• Standards, Protocols, and Related Reading.
GE-DS-242-PoE Managed Ethernet Switch User Manual 21
Chapter 3: Switch Management
Requirements
• Workstations of subscribers running Windows 98/ME, NT4.0, 2000/XP, MAC OS9 or
later, Linux, UNIX or other platform compatible with TCP/IP protocols.
• Workstation installed with Ethernet NIC (Network Interface Card)
• Ethernet Port connection
• Network cables - Use standard network (UTP) cables with RJ45 connectors.
• Above Workstation installed with WEB Browser and JAVA runtime environment
Plug-in
• Serial Port connection
• Above PC with COM Port (DB-9 / RS-232) or USB-to-RS-232 converter
NOTE: We recommended Internet Explore 6.0 or above to access the Managed
Switch.
Management Access Overview
The Managed Switch gives you the flexibility to access and manage it using any or all
of the following methods:
• Web browser interface
• An external SNMP-based network management application
• The Administration Console
The Administration Console and Web browser interface support are embedded in the
Managed Switch software and are available for immediate use. Each of these
management methods has their own advantages and disadvantages. Table 3-1
compares the three management methods.
22 GE-DS-242-PoE Managed Ethernet Switch User Manual
Chapter 3: Switch Management
Table 3-1: Management Methods Comparison
Method Advantages Disadvantages
Web Browser • Ideal for configuring the switch
remotely
• Compatible with all popular
browsers
• Can be accessed from any location
• Most visually appealing
SNMP Agent • Communicates with switch
functions at the MIB level
• Based on open standards
Console • No IP address or subnet needed
• Text-based
• Telnet functionality and
HyperTerminal built into Windows
95/98/NT/2000/ME/XP operating
systems
• Security can be compromised
(hackers need only know the IP
address and subnet mask)
• May encounter lag times on poor
connections
• Requires SNMP manager software
• Least visually appealing of all three
methods
• Some settings require calculations
• Security can be compromised
(hackers need only know the
community name)
• Must be near switch or use dial-up
connection
• Not convenient for remote users
• Modem connection may prove to be
unreliable or slow
• Secure
Web Management
The Managed Switch offers management features that allow users to manage the
Managed Switch from anywhere on the network through a standard browser such as
Microsoft Internet Explorer. After you set up your IP address for the switch, you can
access the Managed Switch's Web interface applications directly in your Web
browser by entering the IP address of the Managed Switch.
You can then use your Web browser to list and manage the Managed Switch
configuration parameters from one central location, just as if you were directly
connected to the Managed Switch's console port. Web Management requires either
Microsoft Internet Explorer 6.0 or later, Safari or Mozilla Firefox 2.0 or later.
GE-DS-242-PoE Managed Ethernet Switch User Manual 23
Chapter 3: Switch Management
Figure 3-1: Web management setup
Figure 3-2: Web main screen of Managed Switch
24 GE-DS-242-PoE Managed Ethernet Switch User Manual
Chapter 3: Switch Management
SNMP-Based Network Management
You can use an external SNMP-based application to configure and manage the
Managed Switch, such as SNMPc Network Manager, HP Openview Network Node
Management (NNM) or What'sup Gold. This management method requires the SNMP
agent on the switch and the SNMP Network Management Station to use the same
community string. This management method, in fact, uses two community strings:
the get community string and the set community string. If the SNMP Net-work
management Station only knows the set community string, it can read and write to
the MIBs. However, if it only knows the get community string, it can only read MIBs.
The default gets and sets community strings for the Managed Switch are public.
Figure 3-3: SNMP management
Administration Console
The administration console is an internal, character-oriented, and command line user
interface for performing system administration such as displaying statistics or
changing option settings. Using this method, you can view the administration console
from a terminal, personal computer, Apple Macintosh, or workstation connected to
the switch's console (serial) port.
There are two ways to use this management method: via direct access or modem
port access. The following sections describe these methods. For more information
about using the console, refer to Chapter 5: Console Management.
GE-DS-242-PoE Managed Ethernet Switch User Manual 25
Chapter 3: Switch Management
Figure 3-4: Console management setup
Direct Access
Direct access to the administration console is achieved by directly connecting a
terminal or a PC equipped with a terminal-emulation program (such as
HyperTerminal) to the Managed Switch console (serial) port.
When using this management method, a straight DB9 RS-232 cable is required to
connect the switch to the PC. After making this connection, configure the terminalemulation program to use the following parameters:
• 57600 bps
• 8 data bits
• No parity
• 1 stop bit
Figure 3-5: Terminal parameter settings
26 GE-DS-242-PoE Managed Ethernet Switch User Manual
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