At which layer of network do we use a router to forward a packet?

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At which layer of network do we use a router to forward a packet? Based on what address?

May 13th, 2015

OSI Layer


Addressing

First, the Network layer must provide a mechanism for addressing these end devices. If individual pieces of data are to be directed to an end device, that device must have a unique address. In an IPv4 network, when this address is added to a device, the device is then referred to as a host.
















May 13th, 2015

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May 13th, 2015
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May 13th, 2015
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