2:28

Network Packets - What's On Board?

15:25

The Data Link Layer, MAC Addressing, and the Ethernet Frame

12:13

A Packet's Journey - How Data Travels Across a Computer Network

9:11

What is Ethernet?

4:53

Ethernet Frame Preamble

11:55

Spanning Tree Protocol | CCNA - Explained

12:51

3.4 Ethernet Frame

7:14

2. The IPv4 Packet