Can a set of open source technologies and tools developed by a loosely affiliated community of developers, offered for free over the Internet, compete with proprietary products from multi-billion dollar companies in building networks? Would you be insane to try to run your business on this stuff, or insanely smart? Either way, open source is going to have a huge impact on network operations over the coming decade. Large networks can be built and managed with open source components and tools. Learn about the benefits of using open source.

1. Open Source Networking
Wikia Inc / O’Reilly Radar
http://radar.oreilly.com/

2. Linksys WRT54GL

3. Linksys WRT54GL
• Wireless
• 5 port vlan capable switch
• Programmable CPU
• Basic home networking

4. OpenWRT
• Linux for embedded devices
• Networked devices
• Flash the Linksys with it
• http://openwrt.org/

5. OpenWRT
• DHCP
• VLAN
• Bridging
• PPPoE (PPPoA)

6. OpenWRT
• QoS
• OSPF
• BGP
• NIDS
• SSL Tunnel
• OpenVPN

7. There is more
• IPSec
• LDAP Server
• VOIP (Asterisk)
• Radius
• Tor

8. TCPDUMP