Message From ______ to ______ Error Type: ______________
TTL: ______ Orig ID : ______Orig Dest : ______
Instructions for Original Sender:
1. Fill in source, destination, TTL, Original ID, Original Destination.
2. Consult your routing table to choose next hop.
Instructions for Receiver:
1. If message is addressed to you: There was an error! Sorry!
2. If message is not addressed to you: Decrement TTL,
3. If TTL is zero, discard packet. Do not send error message.
4. Consult your routing table to choose next hop.
5. If destination is unknown, discard packet. Do not send error message.
6. Send message to next hop.