What does a router do when it receives a Layer 2 frame over the network medium?

  • determines the best path
  • de-encapsulates the frame
  • re-encapsulates the packet into a new frame
  • forwards the new frame appropriate to the medium of that segment of the physical network
    Answers Explanation & Hints:

    Routers are responsible for encapsulating a frame with the proper format for the physical network media they connect. At each hop along the path, a router does the following:Accepts a frame from a medium
    De-encapsulates the frame
    Determines the best path to forward the packet
    Re-encapsulates the packet into a new frame
    Forwards the new frame appropriate to the medium of that segment of the physical network

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