Link Layer
Working of Link Layer (MAC and ARP) - Download
Network Layer
Working of the Network Layer (Routing process suported by DHCP, NAT) - Download
Suggested Reading
Relevant topics discussed in the slides from the chapters 4,5 and 6 (Network Layer: Data Plane, Network Layer: Control Plane and Link Layer and LANs) from the book Computer Networks: A Top Down Approach by Kurose and Ross