Packet Forwarding

Question 1

It is simply a passing or moving of information between interfaces according to the “directions”.

Answer 1

Packet Forwarding

Question 2

refers to the way a packet is handled by the underlying physical networks under the control of the network layer

Answer 2

Packet Delivery

Question 3

occurs when the IP node forwards a packet to its final destination in the network.

Answer 3

Direct Delivery

Question 4

occurs when the IP node (host) forwards a packet to an intermediate node (IP router) because the final destination is not on a directly attached network

Answer 4

Indirect Delivery

Question 5

To implement route-based packet forwarding, the router needs to obtain routes:

Answer 5

• A router discover routes using multiple methods in which it selects the optimal route and installs it in its IP routing table.
• A router forwards IP packets based on routes in the IP routing table and manages path information by managing its IP routing table.