Benefits of Network Diagram

       A network diagram is essentially a flow chart that includes all of the project elements and how they relate to one another. It is widely used because it is easy to read and not only depicts the sequence of activities in the project, but also shows parallel activities and the links between each activity. Network logic is the collection of activity dependencies that make up a network diagram for a particular project. In other words, certain tasks are dependent on one another to complete the project. This creates a logical stream of events that will lead to completion of the project.


The network diagram lets know the following:

• It is easy to identify the problem that come from the workstation, LAN, WAN, server or application server.
• A network diagram gives a bird-eyes view of a system without having to go into technical details. If well done it will also show who is responsible for which parts.
• Helps us find our critical / non-critical activities. So if we know our critical activities we would like to allocate our critical people on the critical task and medium performing people on the non-critical activities. 
• This also helps us to identify which activities we can run in parallel, thus reducing the total project time.
• Finally, it gives the Project Manager and the team a point of contact; the person capable of creating the network diagram surely has a thorough understating of the system.

The following diagram shown the physical connectivity between the device:

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Batch File Commands - Network Self Test

Network Self test IT Services:
Run the script TestNetwork.CMD, you will see the following screen, which provide menu to test IT network services. perform a ping to a domain or application - this will help identify ... ping commands before the user contact your site admin

Menu 0: IP configuration: Provide overall network configuration detail on your PC.

• For Company (Thai), “Ipv4 Address” should begin with 192.160.xxx.xxx (where x represoen 0-9)

Menu 1: Test network connection to the file server.

• If you can ping to the file server, your O and P drive should be accessible. 
• If you see some “Request timed out.”, there might be a problem on the cable or port connected to the PC.
• If you see all “Request timed out.” but you got the IP address begin with 192.168 in “Menu 0”, the network route to the file server is unreachable.
• Time should be less than 10 ms

Menu 2: Test network connection to the Email (Exchange) server.

• If you can ping to the Email server, you should be able to send and receive email.
• If you see all “Request timed out.” but you got the IP address begin with 192.168 in “Menu 0”, the network route to the email server is unreachable. 
• Time should be less than 10 ms

Menu 3: Test Office Communicator (IM) Server in Singapore.

• If you can ping to the server, you should be able to login and use Office Communicator (chat program).
• If you see all “Request timed out.” but you got the IP address begin with 192.168 in “Menu 0”, the network route to the OC server is unreachable.
• Time vary because the server is in Singapore, however more than 500ms consider high response time. 

Menu 4: Test network connection to the SAP (PC8) Server.

• If you can ping to the PC8 server, you should be able to login and use SAP.
• If you see all “Request timed out.” but you got the IP address begin with 192.168 in “Menu 0”, the network route to the SAP server is unreachable.
• Time vary because the server is in Houston, however more than 1000ms consider high response time.

~~~~~~~~~~~~~~~~~~SAMPLE~~~~~~~~~~~~~~~~~~~~~~~
@echo off
:prompt
title Menu Slect to Auto Check IT Services                                                                by:BoYL@SeR 2011
color 1f
cls
echo.
echo    This is a private system operated for Company (Thailand) Company.
echo    Authorization from Chevron management is required to use this system.
echo    Use by unauthorized person is prohibited.
echo    WARNING: This computer system is accessed by authorized users outside
echo    of Chevron. All security and control procedures must be strictly followed.
echo ________________________________________________________________________________
echo                  Select Number to Auto Check the Internet Connection
echo ________________________________________________________________________________
echo                        0. IP configuration
echo                        1. Ping File Server (THFILESHARE)
echo                        2. Ping Mail Server (THMAILSERVER) 
echo                        3. Ping Office Communicator (SGCOMMUNICATION)
echo                        4. Ping SAP Server (PC8)
echo                        5. Exit
echo.
echo       Response Time Guideline:    Nomal             High
echo         1, 2 (local LAN)           1-10ms       more than 10ms
echo         3 (SG Ehub)              100-300ms      more than 300ms
echo         4 SAP                    300-500ms      more than 500ms
echo ________________________________________________________________________________
echo.
set /p answer=    Select 0, 1, 2, 3, 4 or 5 and press Enter
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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