This is the lectures from a networking class using Computer Networking a top-down approach for the materiel. The lectures are numbered in accordance with the chapters in the book. Taken from Itunes U and demuxed to Separate the audio and added to a MKV container. 


It includes the following:
 

video lectures of chapters
(video: 1280x960~600 kbps mpeg2, Audio: 44KHz ~96 kbps stereo AAC):
1.1 - Introduction
1.2 - Network Edge
1.3 - Network Core
1.4 - Delay, Loss, and Throughput
1.5 - Layers
1.6 - Security
2.1 - Application Layer
2.2 - Web and HTTP
2.3 - FTP
2.4 - Email
2.5 - DNS
3.1 - Transport Layer
3.2 - Multiplexing and Demultiplexing
3.3 - UDP
3.4 - Principles of Reliable Data Tr
3.5 - TCP
3.6 - Principles of Congestion Contr
3.7 - TCP Congestion Control
4.1 - Network Layer Introduction
4.2 - Virtual Circuits and Datagram
4.3 - What's inside a router
4.4.1 - IP Addressing
4.4.3 - ICMP
4.5.1 & 4.5.2 - Link State Routing
4.5.3 - Distance Vector Routing
4.6 - Routing in the Internet
5.1 - Link Layer
5.2 - Error Detection and Correction
5.3 - Multiple Access Protocols 
5.4 - Link Layer Addressing
5.5 - Ethernet
5.6 - Switches and VLANs
5.9 - Web Request scenario
6.3 - 802.11

Audio versions of all of the above in MKV container playable in some android players like google play music and BSplayer, others not tested. 

The slides used for the presentation used in chapters 1-3 in powerpoint (.pptx).