Computer Networks - Lab Manual

Implement the data link layer framing methods such as character count, character stuffing and bit stuffing.

Write a program to compute CRC code for the polynomials CRC-12, CRC-16 and CRC-CCITT.

Develop a simple data link layer that performs the flow control using the sliding window protocol, and loss recovery using the Go-Back-N mechanism.

Implement Dijkstra's algorithm to compute the shortest path through a network.

Take an example subnet of hosts and obtain a broadcast tree for the subnet.

Implement distance vector routing algorithm for obtaining routing tables at each node.

Implement data encryption and data decryption.

Write a program for congestion control using Leaky bucket algorithm.

Write a program for frame sorting techniques used in buffers.

Wireshark
• Packet Capture Using Wireshark
• Starting Wireshark
• Viewing Captured Traffic
• Analysis and Statistics & Filters

How to run Nmap scan

Operating System Detection using Nmap

Do the following using NS2 Simulator
• NS2 Simulator - Introduction
• Simulate to Find the Number of Packets Dropped
• Simulate to Find the Number of Packets Dropped by TCP/UDP
• Simulate to Find the Number of Packets Dropped due to Congestion
• Simulate to Compare Data Rate & Throughput
• Simulate to Plot Congestion for Different Source/Destination
• Simulate to Determine the Performance with respect to Transmission of Packets