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decapsulates the Layer 3 packet by stripping off the Layer 2 frame header

uses the destination IP Address in the IP header to look up the next-hop address in the routing table

encapsulates the Layer 3 packet into the new Layer 2 frame and forwards it out the exit interface

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11y ago
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14y ago

If the packet is not destined for the current network the router must consult its routing tables to figure out where to send it next (the next hop).

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Q: What three processes does a router execute when it receives a packet from one network that is destined for another network?
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