Teufelsberg: Maintenance & AP for the Security-Building

[noxilixon]

Preparation

• [ ] Infomaterial für den Eingangsbereich https://github.com/freifunk-berlin/meta/issues/89
• [ ] Adjust configuration before the next on site appointment
  • [x] Change management VLAN to be different from ak36
• [ ] Configure additional APs
• [ ] Think about mounting Options for APs

On site

• [ ] Align teufelsberg-nw towards mela-core, check with alignment tool
• [ ] Align teufelsberg-nords towards frischauf-core & chris-core, check with alignment tool
• [ ] Check if line of sight to THW-LVBE is possible
• [ ] Maybe align antenna towards ak, coordinate an appointment with ak if possible
• [ ] Add additional APs at the tower
• [ ] Replace Frankenstein cable wirering with proper PoE connectors at teufelsecurity

Done 🦾

• [x] Inform Jammingblub about our plan @Akira25
• [x] Write bbb-configs @noxilixon freifunk-berlin/bbb-configs/pull/762
• [x] Hardwareanfrage @Akira25
• [x] Prepare Hardware @FFHener
• [x] Deactivate the old installation
• [x] Document what is needed to reach the old installations hardware
• [x] Maybe align antenna towards ilr (ilr is already perfectly aligned)
• [x] Fix webcam configuration
• [x] Install teufelssecurity location (@noxilixon)
• [x] crimp 2x15 for the rockets
• [x] Schlüssel für Switch bei Security hinterlegen
• [x] Replace core router
• [x] Update Switch Firmware (after core router replacement)
• [x] Install missing rocket(s) - at least the one towards Spandau (mela-core)
• [x] 60 m Indoor Kabel besorgen + crimpen (aus dem HDM) (Security AP -indoor)
• [x] 25 m Outdoor Kabel für Security Link (Dach Mensa)
• [x] 2x 15 m Outdoor Kabel für 2x Rocket AC (Ost und West)
• [x] Strom am Security Haus steht:

[Noki]

The teufelsberg-ak36 antenna only needs vertical alignment. Without rain/snow a link is already possible if the ak36-teufelsberg is set to a channel width of 540/1080 MHz and a frequency of 68040, so the antenna can be aligned even without coordinating an appointment at ak36. However, aligning ak36 first would help a lot as that antenna is way off.

This is the current alignment chart for both sides of the link:

[Koltonowski]

Hardware Request: Dual-Band Device for Teufelsberg Security Booth and Entrance Area

Hello Berlin Freifunk-Community,

I am writing to request (give me your thumbs up) a dual-band wireless device to enhance the Wi-Fi coverage at the security booth and entrance area of Teufelsberg. The device should be capable of operating on both the 2.4 GHz and 5 GHz bands. Specifically, we need the 5 GHz band to mesh with the existing near-field antennas to ensure seamless connectivity across our current network infrastructure. Additionally, the 2.4 GHz band should function as an access point for clients in these areas.

Could you please suggest a suitable model (Microtik outdoor AP?!) that meets these specifications? Ideally, the device should be robust, weather-resistant, and capable of handling a significant number of simultaneous connections given the high traffic expected in these areas.

Looking forward to your recommendations and the next steps for deployment.

Thank you!

[robertfoss]

TP-Link EAP225-Outdoor?

https://www.tp-link.com/de/business-networking/omada-sdn-access-point/eap225-outdoor/

https://openwrt.org/toh/hwdata/tp-link/tp-link_eap225-outdoor_v3

[Koltonowski]

TP-Link EAP225-Outdoor?

https://www.tp-link.com/de/business-networking/omada-sdn-access-point/eap225-outdoor/

https://openwrt.org/toh/hwdata/tp-link/tp-link_eap225-outdoor_v3

no eap225 please... We have only problems with meshing. For AP they are nice. The Stadtfunk already has devices in stock, but the current process requires that hardware support from the Stadtfunk be distributed only through the Freifunk Community (thumbs up). Therefore, an official call is being made.

Look here: https://github.com/freifunk-berlin/meta/blob/main/Hardware-orders.md

There also is already something configured, but I can'T see what and where... This Github visibility... :-( https://github.com/freifunk-berlin/bbb-configs/pull/762

[noxilixon]

As discussed in the matrix channel, we will for now use the devices as they were proposed in the pull request:

• mikrotik sxtsq 5ac
• mikrotik wap ac