1. Virtual local area networks VLAN

2. Basic switched networking

3. VLAN network

5. Possibility of dynamic changes between VLANs

6. Switching (layer 2) instead of routing (layer 3) - better performance

10. Untagged package Not shown in wireshark

11. Tagged package

13. Frames may become too long, and be dropped.

14. Frames may be dropped by older switches, due to non-comformity.

16. http://www.cisco.com/en/US/docs/internetworking/technology/handbook/LAN-Switching.html#wp1021970

17. http://www.3com.com/other/pdfs/solutions/en_US/20037401.pdf