Dadi GEA-8120A User manual

GEA-8120A Ethernet Analyzer
User's Manual
Dadi Telecommunication Equipment Co., Ltd.

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Telecommunication Equipment Co., Ltd. will not take the responsibility for any
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not limited to any direct, indirect, inevitable or accidental ones). Though some
contents may supplement each other, no contents included in such information
or any other documents will make any guarantees or statements of the Liuzhou
Dadi Telecommunication Equipment Co., Ltd (or its suppliers or licensers), and
any changes to those clauses applicable to the license agreement of this
software as well.
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© All rights reserved 2005 – 2010. Liuzhou Dadi Telecommunication Equipment
Co., Ltd
DADI Science & Technology District, Liuzhou New & High-tech industrial
Development Zone, Liuzhou, Guangxi, China
All rights reserved. Printed in China.
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Dadi is the registered trademark of the Liuzhou Dadi Telecommunication
Equipment Co., Ltd. in China and other countries. Pentium and Intel are the
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Corporation in U.S.A. or other countries. The names of other products and
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owners.

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Table of Contents
1.Documentation Guide ....................................................................................................................4
1.1Revision History ..................................................................................................................4
1.2 Agreement on Description...................................................................................................4
1.3 General................................................................................................................................4
2. Product ..........................................................................................................................................5
2.1 Appearance..........................................................................................................................5
2.2 Interfaces.............................................................................................................................5
2.3 Illustration of the Keyboard ................................................................................................5
2.4 Indicator ..............................................................................................................................6
2.5 Installation and Initial Operation ........................................................................................6
3. Application ..................................................................................................................................7
4. Operation Reference .................................................................................................................8
4.1User Interface Operation Navigation ...................................................................................8
4.2 Port Para............................................................................................................................11
4.3 Tx Para ..............................................................................................................................14
4.4 Rx Para..............................................................................................................................21
4.5 RFC 2544 Para. .................................................................................................................25
4.6 PPPOE...............................................................................................................................30
4.7 Traffic Test ........................................................................................................................31
4.8 RFC2544 ...........................................................................................................................35
4.9 Cable tools ........................................................................................................................37
4.10 Network tools..................................................................................................................42
4.11 Cooperation .....................................................................................................................53
4.12 Data loopback .................................................................................................................54
4.13 Data Management ...........................................................................................................55
4.14 System.............................................................................................................................56
5.TEST CASE.................................................................................................................................59
5.1 RFC2544 Test Case...........................................................................................................59
5.2Traffic Test Case ................................................................................................................66
5.3 Network Monitoring Case.................................................................................................72
6.Specifications ..............................................................................................................................74
7.FAQ .............................................................................................................................................74
8.Information about service.........................................................................................................75
9.Terms and Explanations ...........................................................................................................75
9.1DIX Frame Format.............................................................................................................75
9.2802.3 SNAP Frame Format................................................................................................75
9.3VLAN Frame Format.........................................................................................................75
9.4802.1Q Frame Head Format...............................................................................................76

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1.Documentation Guide
1.1Revision History
The history of revision mentioned here concerns the revisions of this user's manual due to
the upgrading of the product and the improvements of the user's manual itself. In this
manual, all these as well as the related chapters or sections are listed for reference. The
experienced users can skip over these contents and go to the new ones directly
In which, the meaning of each item is as follows:
zVersion: the version of the systems software
zDate: the date when this version is released.
zRevision coverage: the revised contents involved in this version.
Product: if the description item belongs to the revision of product, mark the sign of “√”
before it; otherwise nothing is required to be checked into the blank.
9Manual: If the description item belongs to the revision of the manual, tick the sign
of “ √” before it; otherwise nothing is needed to be filled into the blank.
zRevision description: to describe the revised contents.
zReference chapters and sections: the reference chapters and sectioned concerning
this modification.
Revision Coverage
Version Date
Products Manual
Revision Description Reference
Chapters and
Sections
1.00 JAN.14.2010 √√Initial Version All
1.2 Agreement on Description
For convenience and stressing of the description, we have agreed on some terms and
icons within the range of this manual, about which you are sure to know.
[ ]: The bracket is used to identify the content or object on the interface or chassis. For
example, the [Confirm]in “click on in the [Confirm]button” indicates the “Confirm” button
displayed on the interface.
: Useful prompting message, which contributes to the efficient use of this system.
: Precautions, which indicate the common mistakes easily to be neglected by users.
: Warnings, if no attention is paid to these points, data loss or severe errors may be caused.
1.3 General
GEA-8120A Ethernet Analyzer is an integrated Ethernet test tool for 10/100/1000Mbps
Ethernet installation, maintenance and troubleshooting. This device could be used for
cable testing, traffic testing, RFC2544 testing and also support PPPoE function, FTP
download, and IE surfing. Except that it also can be regarded as Ethernet diagnose tool
for PING test, router trace, port identify and loop back test. GEA-8120A Ethernet
wiremaping test and bandwidth identify in one tool.

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2. Product
2.1 Appearance
z4.3 " LED color display screen, GUI and touch screen operation.
zPractical in performance, easy for operation and good in accessibility.
zEquipped with all necessary interfaces, support electrical port and optical port.
zFull-rate traffic flow statistics and generation support.
zTest data can be exported to USB disk for viewing and printing.
zLarge capacity memory support and display in tabular and graphical forms.
2.2 Interfaces
zElectrical interface: At the top of the instrument, supporting the RJ45 electrical
interface of 10/100/1000M.
zOptical interface: At the top of the instrument, using SFP module, supporting the
optical interface of 100/1000M.
zPower supply: On the left of the instrument, with the external power 15V/3A.
zUSB: designed for exporting of test data, upgrading of system.
zSystem network card: equipped with the RJ45 network interface, which is on the right
of the device and can be configured in the [System Configuration] for parameters.
2.3 Illustration of the Keyboard
z[Pwr]: Power On / Power Off the device.
z[Home]: Return to System Home Page.
z[Start]: Test Start / Stop.
Keyboard
o
p
eration
Indicator lights
Display

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2.4 Indicator
The indicator is designed to show the corresponding port settings and state.
(As shown in Figure 2.4.1)
Figure2.4.1 The indicators
1. [LINK]:Indicating link status.
2. [10/F/G]:Indicating interface rate,10 is 10M Standard Ethernet, Fis 100Mbps Fast
Ethernet, Gis 1000M Gigabit Ethernet.
3. [OPT]:Indication of optical interface: when the indicator is ON, the optical interface is
selected; otherwise, the electrical interface is selected.
4. [TX]: Indication of transmitting frames/packets.
5. [RX]: Indication of receiving frames/packets.
6. [POE]:Examine the Power Over Ethernet device.
7. [COL]:Detect Ethernet collision.
8. [ERR]: Error indication.
2.5 Installation and Initial Operation
1. Open the package and check whether the equipment is worn and whether the
structure is kept securely. If there is any question, please contact our customer
service department.
2. Check whether the interfaces have been supplied fully and kept in clean condition.
Additionally, check whether the test cable/fiber has been provided as specified in the
item list.

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3. Application
1. Support all kinds of Ethernet interfaces including the electrical interface of
10/100/1000Mbps and the optical interface of 100/1000Mbps.
2. Support DIX and 802.3 SNAP Ethernet protocols.
3. Ping: checking the network connection.
4. Traceroute: finding all routers IP and gateways IP in the path from GEA-8120A to
tested device.
5. FTP Speed Test: FTP connectivity test, high-speed download test.
6. PPPOE Test: PPPOE connectivity test, Triffic test.
7. WEB browsing: support LAN mode of WEB browsing.
8. Blinking port: finding the corresponding hub or switch port by blinking the port.
9. Cable length test: test cable length (allows the user to input the calibration
parameters) and the other major indicators.
10. Wiremap test: check whether the sequence of connection of twisted pair lines is
correct and whether there are short circuit, open circuit and polarity reversal in the
wire connection.
11. Audio tracing: Through sending audio signals to the cable, and with the use of tone
tracers, to achieve finding the objective cable.
12. Optical power test: measure the sending and receiving optical power.
13. L2 and L3 traffic generation: generate and send L2 and L3 triffic, with three kinds of
traffic generation modes: constant, ramp and burst. It can simulate the multiple
streams up to 500.
14. L2 Filter: it can filter including in the type of broadcast (Unicast, Multicast and
Broadcast), src MAC, des MAC, the type of frame（DIX/802.3 SNAP）, VLAN and
other filter parameters.
15. L3 Filter: it can filter including in the type of src、des IP address and TOS/DSCP. It
supports bidirectional filter.
16. RFC2544 network performance analysis: including throughput, latency, frame loss
rate and back-to-back buffer capacity, with upstream or downstream mode, and
support remote loopback and remote cooperate test.
17. Save, copy, view, delete the test results data: All the test results data can be saved in
the file manager, users can view, delete, copy the saved test results.
18. remote control services: support remote control operation, allowing users to remote
control devices or get remote assistance.
19. Help: allows the user gets operating tips in the instrument interface and relevant
using information at any time.

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4. Operation Reference
4.1User Interface Operation Navigation
The user interface defines the basic user operation information, the home interface of
which is shown as the following Figure 4.1.1.
Figure4.1.1 GEA-8120A Home Page

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4.1.1 Start Menu
Click the start icon in the main interface, the system will pop up the below start menu.
As shown in Figure 4.1.2:
Figure 4.1.2 Start Menu
Start menu is divided into four parts: parameter setting area, PPPOE area, test
functions area and system management area.
1. Parameter settings area: the setting items include the port parameters, send
parameters, receive parameters, RFC2544 parameters. Select any one of them, the
system will pop up a interface;
2. PPPOE area: the setting item is PPPOE connection setting;
3. Test functions area: each function item corresponds to a icon of main menu, cable
tool, and network tool, also corresponds second-class menu;
4. System Management area: The setting items include system parameters, version
upgrade, the factory setting, the screen calibration and with regard to.
The manual, in accordance with the order of the start menu, introduces GEA-8120A
operation interface one by one.
4.1.2 Keyboard
Click the keyboard icon in the upper right corner of the screen, it will pop up the soft
keyboard.
4.1.3 Help
Click the Help icon in the upper right corner of the screen, it will pop up the help
documents.
4.1.4 Exit Button
Click the icon in the upper right corner of the screen, it will quit the current page and
return to the main page.

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In the main page, exit button is invalid.
4.1.5 Function Selection Zone
By touch pen click the icon to access the specific function interface. GEA-8120A
supports following functions: Traffic Test, RFC2544, Cable Tools, Network Tools,
Cooperate Test, Data Loopback, Data Management. The Network Tools function includes
PING, Traceroute, Blinking port, FTP speed test, WEB browsing; Cable tools function
include Cable length (electric port) test, Wiremap (electric port) test, Optical power (optical
port) test, Audio tracing.
4.1.6 Connection States
Port parameter displays the current port working parameters, including the near end
optical port / electrical port, 10/100/1000M rate, working mode (full-duplex / half-duplex /
auto-negotiate), IP addresses and other parameters. Remote end negotiation and working
mode, port speed and working mode.
1) If the near end is auto-negotiation mode, support remote working test; If it is
manual mode, not support remote working test.
2) If the remote end is manual mode, not support working mode test, not support
remote end port speed and working mode test function.
3) [does not support]: Do not support remote end test, [Unknown]: could not identify
the unknown remote end state, [H]: half-duplex, [F]: full-duplex.
4.1.7 Log Information
Record each module start / stop testing time.
4.1.8 PPPOE Connection
PPPOE dial-up is successful, display the connection. As shown in 7.6 PPPOE.
4.1.9 External U disk
If the instrument identifies a U disk inserting into the USB interface, places the icon to
show the U disk inserting state.
4.1.10 System Network Card
If the instrument system network card connects successfully, displays the connection
state. Click the icon to display system network card information.
4.1.11 Test Network Card
If the instrument Test network card connects successfully, displays the connection state.
Click the icon to display Test network card information.
4.1.12 Battery State
When the system is powered by the battery in operating, it shows the quantity of
electricity of the battery; when the system is powered by the external power source, it
indicated the state of the external power.

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4.1.13 System Time
Displays the current system time by 24-hour.
4.2 Port Para
It is designed for the selection and settings of the parameters, such as parameter
summary, PHY parameter, network parameter, VLAN and Q-in-Q.
4.2.1Para. Summary
Parameter summary page displays the physical parameters, network parameters and
VLAN setting content. As shown in Figure 4.2.1:
Figure 4.2.1 Parameter Overview

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4.2.2Physical
The PHY parameter interface is shown as Figure 4.2.2.
Figure4.2.2 PHY parameter interface
Parameter Specification
1. [Interface Type]: support RJ45 and optical interfaces.
2. [Interface Para]: set the port configuration of physical parameters. Options of Manual
Settings and Auto Negotiation are available for selection.
3. [Speed]: set the speed of the port, which is disabled under the AutoNeg mode for
RJ45 interface and enabled under any mode for Optical interface. The speed of
10/100/1000 Mbps is available for the electrical port and that of 100/1000Mbps is for
the optical port.
4. [Duplex]: Options of Full-duplex and Half-duplex modes are available. It is enabled
under the Manual Settings mode and is disabled for Optical interface. You could only
set Full-duplex mode for Optical interface.
5. [Flow Ctrl]: whether to enable flow control, the default is disable.
1. When optical interface is selected, [AutoNeg] mode and Link Speed selection
must be the same as the opposite interface.
2. When RJ45 and the speed of 1000Mbps, the [Duplex Mode] must be
Full-duplex
Optical port is enabled, please do not look directly at the Tx LED SFP interface to
avoid laser damage the eyes.

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4.2.3Network
The setting of the network parameters is shown as Figure 4.2.3.
Figure4.2.3 The settings of the network parameters
1. [IP Config]: Optional manual setting and DHCP two ways to configure the IP address;
2. [IP Add.]: settings the IP address of the port, which is in the format like 192.168.1.1.
3. [Subnet]: settings the subnet mask corresponding to the IP address;
4. [Gateway]: settings the default gateway address of the network;
5. [DNS Server]: settings the configuration mode of the DNS. Options include Manual
and DHCP. If manually set a static IP address, DNS server can only be manually
setted. If choose DHCP mode to obtain dynamic IP addresses, DNS server
configuration modes can be DHCP or manual setting;
6. [DNS Server]: settings the address of the DNS. Manually set the DNS server is valid.
If choose DHCP, after you set up parameters, the system will obtain dynamic address
from the DHCP server.

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4.2.4VLAN
The setting of VLAN parameters is shown as Figure 4.2.4.
Figure4.2.4 The settings of VLAN parameters
1. [Enable]: Whether to open VLAN;
2. [VLAN ID]: When the VLAN Label is set as “Yes”, it is enabled to set the ID value of
the VLAN, which ranging from 0 to 4095.
3. [Priority]: When the VLAN Label is set as “Yes”, it is enabled to set the priority (PRI) of
a VLAN, which ranging from 0 to 7.
4.3 Tx Para
It is used to set the parameters of traffic generation. Include: parameters summary,
test level, Traffic, MAC layer, Network layer and insert setting.

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4.3.1Para. Summary
There are four configurations options; the currently selected configuration is as the
currently using one. Send parameter summary display the parameters setting of current
configuration. As shown in Figure 4.3.1:
Figure4.3.1 Parameters Overview
4.3.2 Test Layer
[Test Layer Selection]: Set the test level, choose the MAC layer or network layer.
As shown in Figure 4.3.2:

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Figure 4.3.2 Test Layer Selection
4.3.3 MAC Layer
When you choose MAC Layer, you will firstly do the settings of MAC Layer
parameters.
As shown in Figure 4.3.3:
Figure 4.3.3 MAC Layer
1. [Frm. Type]: The types of the traffic generated, including DIX and 802.3 SNAP;

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2. [Pro.Type]: When the traffic on the MAC layer is selected, the type can be selected,
including IP, IPX, ARP, RARP, Banyan, DECnet, AppleTalk, DADI and specify(HEX),
in which DADI protocol domain is 9ad5, specify (HEX) supports the user to enter any
protocol type of 2 bytes.
3. [Src. MAC]:The source Mac address. You can choice GEA-8120A or Specify.[Num]
the device can simulate up to 500 devices
4. [Des.MAC]:The destination MAC address. the device can send traffic to 500 different
devices.
4.3.4 IP Layer
When you choose MAC Layer, you will firstly do the settings of MAC Layer
parameters. As shown in Figure 7.3.4:
Figure 4.3.4 Setting of Network Layer Parameters
1. [Src IP]:The source IP address in the traffic, choose the local port address or choose
specific IP address;
2. [Des IP]:The destination IP address in the traffic
3. [IP layer Options]: Settings of the IP protocol layer parameters, including TTL,
TOS/DSCP, which is enabled only the IP layer is selected.
4. [Pro.Type]: When the traffic on the IP layer is selected, the type can be selected,
including TCP, UDP, DADI and specify(HEX), in which DADI protocol is eb, specify
(HEX) supports the user to enter any protocol type.
1. If choose the IP layer and can not resolve the Des. IP address, then in the traffic test,
the traffic send button[Test]is not clickable;
2. HEX input is representative of hexadecimal numbers.

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4.3.5 Traffic
4.3.5.1 Stream Option
1. [Single Stream][Multi Stream ] You can select Single stream or Multi stream and
setting different parameters in them. For example in [Multi Stream] you select Multi
stream and choice [Next]
1. [Traffic]: Set the traffic generation mode.
a) Constant: The network traffic is generated in constant mode and the bandwidth
of the traffic generation can be set based on the specific percentage.
b) Burst: The network traffic is generated in burst mode and the duration and time
interval can be set for each burst.
c) Ramp: The network traffic can be generated in ramp mode. The time step and

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traffic step can be set for the “damp” traffic.
2. [Burst Dur]: Set the duration of the burst traffic only if you choose Burst mode.
Optional units of seconds (s), milliseconds (ms);
3. [Burst interval]: Set the burst time interval only if you choose Burst mode. Optional
units of seconds (s), milliseconds (ms);
4. [Date and time step (unit: seconds)]: Set the time step value, flow rate produced an
effective way for slopes.
5. [Traffic step (unit: line speed %)]: Set the traffic step value only if you choose Ramp
mode.
6. [Frame length]: Specify the sending frame length. The choices are: designation,
ultra-long frame, ultra-short frame, legitimate random.
When the traffic generation mode is ramp, the setted traffic generation rate is the
initial traffic rate of ramp made.
4.3.5.2SingleStream：Parameter settings
In Port select, if Selecting [Traffic], you can set traffic parameters. As shown in Figure
4.3.5.2.
Figure 4.3.5.2 set traffic parameters

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4.3.5.3 MultiStream：Parameter settings
If [multi stream] is selected, the next step configure multi stream settings. See
Figure4.3.5.3,
Figure4.3.5.3 Stream settings
Multi Stream Option: Set which streams are enabled and set traffic ratio of each
enabled stream.
1. Stream N : N ranges from 1 to 8,each N stands for one independent stream of the
multi stream.
2. Using select to switch different stream.
3. [Enable/Disable]: set whether or not the selected stream needs to be enabled.
4. [Ratio]: set the distribution mode of the total traffic load for the specified stream.
a) Manual: when Manual is selected, the following input field is enabled; the traffic ratio
can be input here.
b) Auto: when Auto is selected, the following input field is disabled; the traffic ratio will be
distributed automatically.
5. Total Ratio: display the summed total ratio of all enabled streams.
1. The Total Ratio is required to reach 100%.
Total traffic loads of all enabled streams sum up to the traffic bandwidth settings in Stream
Option.