Typical Large LAN Organization

Thousands to tens of thousands of devices
Desktop systems links 10 Mbps to 100 Mbps
-Into layer 2 switch
Wireless LAN connectivity available for mobile users
Layer 3 switches at local network's core
- Form local backbone
- Interconnected at 1 Gbps
- Connect to layer 2 switches at 100 Mbps to 1 Gbps
Servers connect directly to layer 2 or layer 3 switches at 1 Gbps
Lower-cost software-based router provides WAN connection
Circles in diagram identify separate LAN subnetworks
MAC broadcast frame limited to own subnetwork

Writing Start

This blog it (information and tecnologi) as an effort to develop my intelegent that is not how.

In addition to think and what I can do save in internet.

Hopefully this paper can be useful for myself the main, and for anyone in need.