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Gateway is a network point that act as entry point to other network and translates one data format to another.


Following are some common functions of the gateway :

  • Protocol translation : translates protocol format into required protocol format of the network, such as X.25 to TCP/IP.
  • Network address translation : translates your public IP address to the private IP addresses on your network.
  • DHCP service : automatically assigns IP address to a computer from a defined range of addresses for a given network.
  • Monitoring and regulating each packet entering and leaving the network.


  • To route the traffic from one network to another.
  • To connect LAN to WAN or VPN (Virtual Private Network).
  • Acts as a proxy server and firewall server to protect from virus, malware and harmful attacks.
  • To keep history of accessed website, bandwidth usage, timing of each user of the network in a database.

Tip Box

Speed up your gateway

  • Add more RAM.
  • Defragment the hard drive.
  • Free up some space.
  • Increase network connection speed.


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