1. Southampton Open Wireless Network

2. www.sown.org.uk Talk outline Aims of SOWN Technical Outline Campus nodes Servers SOWN[at]HOME nodes What would I have to do? How to get involved Any questions?

3. Southampton Open Wireless Network www.sown.org.uk Aims of SOWN To provide free internet for ECS and other university students and the general public City wide wireless coverage, creating a ‘Community Area Network’ Internet and SOWN network access covering all useful areas such as pubs, university etc. Explore new technologies such as IPv6, multicast... Anything you want!

4. Southampton Open Wireless Network www.sown.org.uk Technical – On campus Originally three on campus nodes, back links using 802.11a, this is now replaced with the SOWN VLAN (over ISS Ethernet) Currently: SUSU node (on a pole on the West Refectory building) running  Zepler with 802.11a (and soon b as well) Run embedded PCs with Voyage Linux/OpenWRT High powered (>400mw) miniPCI wifi cards

5. Southampton Open Wireless Network www.sown.org.uk Technical – Servers Rack mount servers located in building 32 (EEE) sown-auth – runs web server and database for nodes and users, and sends out config and other services related to this. Lots of very important stuff on here sown-vpn – responsible for all the vpn tunnels and also VPN into and out of SOWN VLAN, and Nagios network monitoring sown-nat – allows access to the internet for users of the on campus nodes and for all machines to update online etc. Also runs SNMP and cacti to make pretty graphs

6. Southampton Open Wireless Network www.sown.org.uk Technical – More Servers! Servers in Zepler (also used to back up other servers) sown-6core – IPv6 router for SOWN sown-vpn2 – Development server for testing Used for testing, before rollouts on main servers (e.g: Nagios)

7. Southampton Open Wireless Network www.sown.org.uk Technical – SOWN[at]HOME Wireless access points to give out to users with no/minimal config necessary to allow SOWN access to be broadcast from users house Just plug it in to a free network port on your router and switch on! Makes use of home ADSL line for internet access Tunnels are set up to sown-vpn so SOWN network access is granted. User authentication is passed down tunnel to sown-auth Nodes are from Meraki, but flashed with OpenWRT (linux distro for home routers) and then configured to work with SOWN

8. Southampton Open Wireless Network www.sown.org.uk What SOWN needs: ENTHUSIASTIC PEOPLE! You don’t need to be an expert to begin with Continual improvement of the web interface for users and admins Design and backend Firmware updates Package management and configs Security Long distance wireless Deployment of new technologies: multicast, VoIP etc... Make SOWN bigger and better than ever before! If you are not so technically minded we have other jobs such as wiki overhaul and documentation

9. Southampton Open Wireless Network www.sown.org.uk SOWN Semester 2 802.11a – more long range testing Multicast – SOWN TV? VoIP – Internal phone in your home 802.1x – Wireless security IP Mobility – Roaming services

10. Southampton Open Wireless Network www.sown.org.uk Buzzwords/Technology: Wiki iptables Firmware Web2.0 OpenWRT Voyage Linux IEEE802.11 alphabet VLAN Shell scripting Apache PHP MySQL Debian LDAP IPv6 Multicast VoIP RADIUS SNMP Nagios Cacti RIP OSPF Zebra DHCP DNS OpenVPN SSL SSHQuagga PIMD

11. Southampton Open Wireless Network www.sown.org.uk Get Involved Put a home node in your house! www.sown.org.uk #sown on irc.sown.org.uk (Webcentre IRC server) Email list Weekly meetings (and occasional ‘surgery’ days at the weekend for the extra keen) Chat to us now!

12. www.sown.org.uk Many thanks to: Les Carr and Tim Chown David Tarrant James Morse Dave Newman Andrew Willmott Nick Humfrey Colin Williams Many others, apologies if I have left you off!