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  2. Gateway address - Wikipedia

    en.wikipedia.org/wiki/Gateway_address

    The gateway address (or default gateway) is a router interface connected to the local network that sends packets out of the local network. The gateway has a physical and a logical address. The gateway has a physical and a logical address.

  3. Default gateway - Wikipedia

    en.wikipedia.org/wiki/Default_gateway

    If none of these forwarding rules is appropriate for a given destination address, the default gateway is chosen as the router of last resort. The default gateway can be specified by the route command to configure the node's routing table and default route. In a home or small office environment, the default gateway is a device, such as a DSL ...

  4. Default route - Wikipedia

    en.wikipedia.org/wiki/Default_route

    The network with the longest subnet mask or network prefix that matches the destination IP address is the next-hop network gateway. The process repeats until a packet is delivered to the destination host, or earlier along the route, when a router has no default route available and cannot route the packet otherwise.

  5. Routing table - Wikipedia

    en.wikipedia.org/wiki/Routing_table

    The primary function of a router is to forward a packet toward its destination network, which is the destination IP address of the packet. To do this, a router needs to search the routing information stored in its routing table. The routing table contains network/next hop associations. These associations tell a router that a particular ...

  6. IP routing - Wikipedia

    en.wikipedia.org/wiki/IP_routing

    The IP forwarding algorithm is a specific implementation of routing for IP networks. In order to achieve a successful transfer of data, the algorithm uses a routing table to select a next-hop router as the next destination for a datagram. The IP address of the selected router is known as the next-hop address. [1] The IP forwarding algorithm ...

  7. Router (computing) - Wikipedia

    en.wikipedia.org/wiki/Router_(computing)

    A router is considered a layer-3 device because its primary forwarding decision is based on the information in the layer-3 IP packet, specifically the destination IP address. When a router receives a packet, it searches its routing table to find the best match between the destination IP address of the packet and one of the addresses in the ...

  8. Routing protocol - Wikipedia

    en.wikipedia.org/wiki/Routing_protocol

    Routers perform the traffic directing functions on the Internet; data packets are forwarded through the networks of the internet from router to router until they reach their destination computer. Routing algorithms determine the specific choice of route. Each router has a prior knowledge only of networks attached to it directly.

  9. IP address - Wikipedia

    en.wikipedia.org/wiki/IP_address

    IP addresses are assigned to a host either dynamically as they join the network, or persistently by configuration of the host hardware or software. Persistent configuration is also known as using a static IP address. In contrast, when a computer's IP address is assigned each time it restarts, this is known as using a dynamic IP address.