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External IP address 92.27.61.158.
External IP address 92.27.61.158.
External domain address [http://lspace.nottinghack.org.uk lspace.nottinghack.org.uk] (DNS record looked after by [[User:Lwk|'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.
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.


Kryten has a 4 port switch - Holly takes 1 & the external switches take 2, leaving 1 internal port & a 8 on the external switches available.  The 1 remaining internal port is likely to be used by the network printer.
External port Routing
{| class="wikitable"
|-
! 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]]
|}
 
 
== [http://en.wikipedia.org/wiki/Kryten 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|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 (I'll email this out to the usual suspects, ask if needed)
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 other clients (e.g. Anthem Films) to be on setup when details finalised, on seperate VLAN.  
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 would have 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 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.
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 users.
Router management username & password only for Authorised members only. If there something you need changing ask on the member group or speak to [[User:Lwk|'RepRap' Matt]] or [[User:Tony_S|Tony]]


As far as "Authorised users" go, I'd suggest that anyone who is a permanent member, with access to all of the key-codes & building key should be eligible.  Usual rules apply, as to any tool - if you don't know how to use it / don't do anything :)
Usual rules apply, as to any tool - if you don't know how to use it / don't do anything :)


== [http://en.wikipedia.org/wiki/Holly_%28Red_Dwarf%29 Holly] ==
<blockquote>Holly prides himself on the fact he had an IQ of 6,000 (apparently the same IQ as 6,000 PE teachers or 12,000 car park attendants), but after three million years by himself, he had become computer senile, or as Holly put it, "a bit peculiar".</blockquote>


Our first server is past the days of being called fast or prim hardware, it can take a while to boot/respond. However its likely to be our only workhorse for a little while so please don't ridicule Holly on his senility!
Fanless Via Epia Mini-ITX 533MHz
* 512mb RAM
* <s>1 20GB HDD (/, /var, /var/log, /tmp, swap, /usr)</s> dead disc
* <s>1 13GB HDD (/home)</s> dead disc
* 1 80GB HDD (/, /home, ~40GB each)
* ubuntu 10.04 LTS Server [https://help.ubuntu.com/10.04/serverguide/C/index.html Server Guide]
* Low power so fine for always-on.
* Has parallel port!
* Has serial port!
* Ripe for [[HackSpace Instrumentation]]
* general usage account is 'nottinghack'
* members can have personal accounts on request (512meg soft limit?)
* Static IP 10.0.0.2 (but assigned using DHCP)


== Marvin ==
== Marvin ==
The HP Laserjet 4 Plus is now set up on 10.0.0.90 as marvin.  And it works!
The HP Laserjet 4 Plus is now set up on 10.0.0.90 as marvin.  And it works!
Donations towards paper welcome


== Equipment ==
== Equipment ==
See [[Network/Equipment|here]] for a list of our network gear
See [[Network/Equipment|here]] for a list of our other network gear




Revision as of 23:12, 21 May 2011

Network

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

A
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


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

The HP Laserjet 4 Plus is now set up on 10.0.0.90 as marvin. And it works!

Donations towards paper welcome

Equipment

See here for a list of our other network gear

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