1 # Network infrastructure
5 NOC operates a number of networks, available as tagged VLANs on the core
6 switches (one in each half of the hackerspace). These networks are:
8 - the IoT network (33);
9 - the services interconnect (34) and management (23) networks;
10 - the guests (127) and members (128) LANs;
11 - the public services network (36, 89.106.211.32/27);
12 - the Funkfeuer VLAN (255, `0xFF`).
17 We use a number of conventions to make things more consistent:
19 - The DNS zone for a given network is `NET.realraum.at`, with the exception
20 of the public services network (which has `realraum.at`);
21 - Networks using RFC 1918 IP space use the 192.168.VID.0/24 subnet;
22 - The gateway for a network is on the last IP for the subnet.
28 Each location has a single AP, `ap{0,1}.mgmt.realraum.at`, which provides SSIDs
29 for the management VLAN (`realstuff`) and the LAN (`realraum` and `realraum5`);
30 we use Ubiquity hardware running OpenWRT.
35 The switches have hostnames `sw{0,1}.mgmt.realraum.at`, and the WiFi access
36 points are similarly `ap{0,1}.mgmt.realraum.at`. `0` denotes the main room, and
37 `1` denotes Wöhnung 2.
44 r1w2 has two fiber connections: one to the main room, and one to the radio room.
45 (We use fiber to avoid creating a ground loop between the locations.)
47 In r1w2, we have a rack hosting a number of devices:
48 - the patch panel and core switch (`sw1.mgmt.realraum.at`) for W2;
49 - the `alfred` virtualization server;
50 - miscelaneous devices:
52 - some Raspberry Pi belonging to members;
55 **Note:** members setting up devices that only need power and network access
56 should do so in this rack (or even better, run a VM or a container
62 realfunk receives the `0xFF` and LAN VLANs trunked on a single fiber;
63 the switch there, `sw2.mgmt.realraum.at`, provides untagged ports on either VLAN.
65 Moreover, there is a Funkfeuer node there; it *does not* advertise the realraum
71 The main room has its patch panel and core switch (`sw0.mgmt.realraum.at`) in
72 Cx. The patch panel has a fiber link to r2w1, and a copper link to an external
73 antenna for our link to Funkfeuer.
75 The network shelf in Cx also houses some important devices:
77 - `smsgw.mgmt.realraum.at`, plus its mobile phone;
78 - the PoE injectors for `ap0.mgmt.realraum.at` and `sch24.r3.ffgraz.net`;
79 - `test.r3.ffgraz.net`, which is a test Funkfeuer node.