---
title: "cosc203-lab20"
aliases: 
tags: 
- lab
- cosc203
---

![](https://i.imgur.com/EnNd94C.png)

1. header
	1. 4 fields
		1. source port
		2. dest port
		3. length
		4. checksum
	2. each field is 2 bytes
![100](https://i.imgur.com/dzMuJWY.png)

2. payload is 980 bytes