Tuesday, January 17, 2012

LAN Card & Ping

LAN CARD STATUS & SYMBOL

.
  LAN Card icon displayed in the blue color it mean's communication is working properly.
  , if X (red cross) is displayed on it then network cable is unplugged and if this lan card displayed in grey color its mean the lan card is disabled to turent it into use right click on lan card display click on enable. Then it will enabled and grey color change into blue.

WHAT IS PING

       Ping stands for Packet Internet Grouper & this command used to check connectivity with other it has different type of message during pin utility.
Reply from destination IP of 32 bit this message will receive during ping command when communication network is working properly.

* Ping transmits general failure: - these messages will be received during ping cmd when communication is working properly ping 7.0.0.3.  32byte for pocket sent four pocket received lose 0



* RTO - Request Time Out
=> This message will be received when internet connection firewall will be enabled on destination computer's lan card. ICF is a feature of window xp, 7,8.
                             If we enable firewall in this condition we can communicate with other computer but other computers can’t communicate with us .It is used for the computer security purpose so it should be enabled as give in fig


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