Describe a Unix traceroute hitting googlecom at all seven layers of the OSI model

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Asked On2019-08-02 07:00:10 by:Gaganpreet-Gandhi

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The top 3-4 levels of the OSI model are not used (depending on the the operating system) traceroute makes a request to the networking library to send either an ICMP (layer 3) or UDP (layer 4) packet to the destination with a TTL of 1, the response that is returned includes information presented to the user and the TTL is increased to 2 for the next packet and sent. This proceeds until the destination is reached. The packets themselves are constructed at the bit level for level 1, and broken down to individual frames in level 2. This frame is packed in a 'packet' in layer 3. Then the remaining transformations depend on whether UDP is used or ICMP.

Answerd on:2019-08-03 Answerd By:Ak

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