decapsulates the Layer 3 packet by stripping off the
Layer 2 frame header
uses the destination MAC Address in the IP Header to look up the next-hop
address in the routing table
leaves the Layer 2 frame header intact when decapsulating the Layer 3 packet
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
encapsulates the Layer 3 packet into a special Layer 1 frame and forwards it to
the exit interface