Network

Network Layout

This page will show the network topology & proposals for network expansion / modification.

Hackspace Network

External IP address 92.27.61.158.

External domain address lspace.nottinghack.org.uk (DNS record looked after by 'RepRap' Matt)

Internal IP address range with reserved IP's available from 10.0.0.2 - 10.0.0.99 and DHCP allocation from 10.0.0.100.

External Port Routing

Service	External Port	Internal Port	Internal IP	Notes
HTTP	80	80	10.0.0.2	Webserver on Holly
SSH	1921	22	10.0.0.2	SSH on Holly

Static IP's

These are assigned via DHCP/MAC using Kryten

IP	DNS Name	Notes
10.0.0.1	kryten	Router
10.0.0.2	holly	Our always on server
10.0.0.90	marvin	Laser Printer

Kryten

Kryten is Linksys WRT54GL running DD-WRT VPN Build, he handles all our DHCP, routing from the external world and WiFi.

Kryten has a 4 port switch - Holly takes 1, Marvin takes 1 & the external switches take 2, leaving 8 ports on the external switches available.

WiFi for Hackspace SSID: HSNOTTS passcode uses WPA2 protocol AES encryption. Members only, passcode on request, changes to the passcode will be posted to the members only Google group.

WiFi for workshops will be setup as HSNOTTS_OPEN and only be available when needed passcode will be provided on the day and this will run on a seperate VLAN.

The Nottinghack VLAN has access to local resources - e.g. a future NAS file-share , a local dropbox server for projects & collaborations, a backup of all Web / Wiki files (to allow a remote restore in the event of moving hosts / outage of services) and anything else we don't want to be web facing.

The VPN (when enabled) would allow remote management of the VLANS, which could come in handy in the event of issues with the client WiFi access point.

Router management username & password only for Authorised members only. If there something you need changing ask on the member group or speak to 'RepRap' Matt or Tony

Usual rules apply, as to any tool - if you don't know how to use it / don't do anything :)

Marvin

Marvin the Paranoid Android

According to Marvin, "The first ten million years were the worst, and the second ten million years, they were the worst too. The third ten million I didn't enjoy at all. After that I went into a bit of a decline." Apparently, the best conversation he'd had was over 40 million years ago, and that was with a coffee machine.

The HP Laserjet 4 Plus is set up on 10.0.0.90 as marvin.

We have a few spare toners but donations towards paper usage are more than welcome.

Nottinghack.org.uk

The main Nottinghack website is run for a dedicated linux server located in Florida provided by 'RepRap' Matt

This hosts the Wordpress blog, this wiki, the Nottinghack Planet, and all the external DNS recordes for Nottinghack domains, we have nottinghack.[org.uk|co.uk|com]

The Twitterbot for @HSNOTTS is also hosted on on this server.

HackSpace Instrumentation

The Network and Holly provide the backbone to our HackSpace Instrumentation projects.

Naming

See here for our naming convention

Extra Equipment

See here for a list of our other network gear