Subnet and subnet mask

EN: Subnet and subnet mask

Fotografie

Identifiably separate part of organization s network, typically may represent all machines at one geographic location, in one building, or on same local area network. Network divided into subnets allows it to be connected to Internet with single shared network address. Subnet mask tells network router how to find subnet for packet delivery, saves router having to handle entire 32 bit IP address, looking only at bits selected by mask.
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