diff --git a/content/notes/cosc203-lab20.md b/content/notes/cosc203-lab20.md
index bf4577e4e..04df13a1a 100644
--- a/content/notes/cosc203-lab20.md
+++ b/content/notes/cosc203-lab20.md
@@ -18,3 +18,10 @@ tags:
 ![100](https://i.imgur.com/dzMuJWY.png)
 
 2. payload is 980 bytes
+	1. max is 65536-8 = 65528
+
+3. 17 ![50](https://i.imgur.com/uKGY8WP.png)
+
+![](https://i.imgur.com/In1iX3w.png)
+4. the source port of the first message is the destination port of the second and the destination port of the first is the destination port of the second
+5.