Some Network Troubleshooting Tips- Part: 1

• PING

PING is used to test network connectivity response between two computers on a
network.

You can think of a PING command like submarines and naval ships that send a
“ping” sound to determine the distance between objects based on the amount of
time it takes to receive a response.

PING sends a packet in the form of an Internet Control Message Protocol
(ICMP) packet.

The most important aspect of PING is the fact that it shows whether there is a
response from a target computer. In this way you can determine if network
communication is possible between two computers.

• This example shows a PING to the IP address 216.239.57.99 in which the
target computer responds.

H:\>ping 216.239.57.99
Pinging 216.239.57.99 with 32 bytes of data:
Reply from 216.239.57.99: bytes=32 time=31ms TTL=46
Reply from 216.239.57.99: bytes=32 time=31ms TTL=46
Reply from 216.239.57.99: bytes=32 time=15ms TTL=46
Reply from 216.239.57.99: bytes=32 time=31ms TTL=46
Ping statistics for 216.239.57.99:

Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 15ms, Maximum = 31ms, Average = 27ms

Some further information about the above example:

Packets: Sent = 4, Received = 4, Lost = 0 (0% loss)

Packet loss is the loss of data that was sent during a ping. It is not uncommon to see a 25% loss in the case of only pinging four times. However a 75% loss indicates communication issues that are usually physical on the network such as cabling and switches.

Make your PC Faster with Windows XP

We may use some tricks of WinXp to make it faster:

• Right Click on My Computer --> Properties --> Click on Advance Tab --> Settings (under Performance) --> Visual Effects --> Click on Adjust for Best Performance --> Now Click on custom and enable (Tick on Smooth edges of Screen Fonts, Use Common Task in Folders & Use Visual Styles on Windows and buttons)--> Now Click on OK --> Now Goto System Restore Tab --> Click on Turn off System Restore on All Drives --> Click on Automatice Updates Tab --> Turn off Automatic Updates --> Click on Remote Tab --> Now uncheck the Allow Remote Assistance & Allow users to connect remotely to this computer --> Lastly Click OK to exist from the dialogue box
  

• Now Click Start Menu --> Run --> Type msconfig --> Click on Selective Startup --> Now Click on Start up Tab --> Uncheck all the option except Antivirus option --> OK

• Click Start Menu --> Run --> Type %temp% --> Here all file may be deleted to regain space

• Right Click on My Computer --> Properties --> Click on Advance Tab --> Settings (Under performance) --> Advance --> Now Click on Advanced Tab --> Click on Change (Under Virtual Memory) --> Click on Custom Size --> Now Set the Value: Initial Size:1300 and Maximum Size: 1500 --> click on Set --> OK --> OK --> Close the dialogue box
  

How to use edge/zoom modem to share multiple PCs

First We need to establish LAN Connection by HUB or Switch:

Then setup Home or Small Office network Setup with the following command:

Go to My Computer --> My Network Places --> Click set up a home or small office network ---> then complete set up

Now we need to configure IP Address of the computers: ( If configured previously then skip this step)


First configure the PC where the modem is connected.

• For this go to My Computer --> My Network Places --> View Network Connection --> Now right click on Edge/Zoom--> Properties --> Advanced --> Click on allow other network users to connect through this computer's internet connection --> OK.

• It will convert IP Address to 192.168.0.1 but now we will change our IP address by doing the following.

• Again go to My Computer --> My Network Places --> View Network Connection -->Then Right click on Local Area Connection --> Properties --> Select Internet Protocol (TCP/IP) --> Click Properties --> Click on Use the following IP address --> Now use Class C level IP Address (for example, 192.168.0.1 or 192.168.175.15 etc.) the first three octate that is 192.168.0 or 192.168.175 must be same for the all pc under same network, otherwise it won't work and the last octate/number must be different for all the PC in the same network --> Now subnet mask will be added automatically, if not, then write here 255.255.255.0

Now the proxy server , i.e. where the edge/zoom modem is connected is completed.

Now we will configure the PC which will share this internet connection:

• go to My Computer --> My Network Places --> View Network Connection -->Then Right click on Local Area Connection --> Properties --> Select Internet Protocol (TCP/IP) --> Click Properties --> Click on Use the following IP address --> Now write IP Address (for example, 192.168.0.1 or 192.168.175.15 etc.) the first three octate that is 192.168.0 or 192.168.175 must be same for the all pc under same network, otherwise it won't work and the last octate/number must be different for all the PC in the same network --> Now subnet mask will be added automatically, if not, then write here 255.255.255.0 --> Now default gateway and Preferred DNS server will be the IP Address of the Zoom/edge connected PC's IP address (i.e. 192.168.0.1 or your previous choice) -->Now Click OK
  

The all steps has been completed. You can now browse from this computer by Internet Explorer or Firefox browser. Try it.