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what is default gateway what is its use in router

Answer Posted / sunnybanthiya

what is default gateway ? by sunny banthiya mcse ccns pt
A gateway is a node (a router) on a computer network that
serves as an access point to another network.
A Default Gateway is the node on the computer network that
is chosen when the IP address does not belong to any other
entities in the Routing Table.

In homes, the gateway is usually the ISP-provided device
that connects the user to the Internet, such as a DSL or
cable modem.

In enterprises, however, the gateway is the node that
routes the traffic from a workstation to another network
segment. The default gateway is commonly used to be the
node connecting the internal networks and the outside
network (Internet). In such a situation, the gateway node
could act as a proxy server and a firewall. The gateway is
also associated with both a router, which uses headers and
forwarding tables to determine where packets are sent, and
a switch, which provides the actual path for the packet in
and out of the gateway.

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