Significance of Gateway in Networking
Dear Friend I would like to know what is the significance of gateway which we insert IP address, Default Mask configuring LAN card in order to be incorporated within network. Regards HatiBaba
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May 28, 2010 8:54 AM
UPDATED:
June 1, 2010 9:53 AM
Answer Wiki:
The default gateway setting is simply telling a host where to send packets to get to another network. This would be for traffic destined for hosts not on the local subnet.
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You can usually think of a gateway as the address that traffic is sent to when the system doesn’t know where the destination is. The gateway system is supposed to figure out where the traffic goes to next along the route. The “next hop” to get to any remote address is pretty much all that a single gateway needs to keep track of.
There’s no way for your PC, for example, to keep track of all of the routes to all of the remote systems you might communicate with. The PC has no big problem keeping track of the other systems on the same part of the network that it’s connected to, but it can’t keep track of what’s on other network segments. Gateways are part of the hierarchy of systems that make sense out of all of the interconnections between network segments.
Tom
Do not confuse ‘GATEWAY’ with ‘DEFAULT GATEWAY’ (windows).
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When you configure a gateway address, your Windows machine adds a default route statement to your machine’s route table. The route table statement instructs your Windows computer to send any data packet that is destined for a different IP subnet to the default gateway address. The default gateway is actually an IP router that will route the data packet to the correct destination subnet.