Monday, August 23, 2021

AREDN Mesh Node

My portable node includes these major components:

  1. Microtik hAP AC with power transformer from Isaac
  2. Ubiquiti Nanostation M5 from Isaac
  3. Cisco SPA525G VoIP (Voice over IP) phone from Isaac
  4. Sercomm V-RC8061 PT IP camera from Marni
Minor and ancillary components:
  1. Powerpole splitter (at least 3-port)
  2. USB car charger (at least 2-port)
  3. Homemade 12VDC power cable (barrel connector for Microtik to powerpole)
  4. Homemade 12VDC power cable (car accessory female socket to powerpole)
  5. 2x homemade 5VDC power cables (barrel connector for phone and camera to USB)
  6. Bioenno 3Ah LiFePO4 12VDC battery with powerpole connectors (may switch to sealed lead acid or higher capacity)
  7. Windows computer with USB NIC (network interface card) to give it an Ethernet port
  8. 2 Ethernet cables (Cat 5e, I think)
  9. Cheap 60" camera tripod ($20 used on eBay, equal to $40 new from BestBuy: https://www.bestbuy.com/site/dynex-60-universal-tripod-silver/8241048.p?skuId=8241048)
  10. Cell phone
  11. Ziplock bags, zippered bag with handle, and 3 large reusable zip-ties

Major steps included:
  1. Flash firmware to hAP: https://www.arednmesh.org/content/installation-instructions-mikrotik-devices
  2. Configure hAP
    1. Name: KJ6LDJ-HAP
    2. Mesh RF disabled
    3. Tx power 22 dBm, distance to farthest neighbor 35 km
    4. LAN Mode 5 host Direct, DCHP server checked
    5. LAN Access Point enabled; AP band 2GHz; SSID: sfwem; password: standard sfwem password
    6. WAN Wifi Client configured to home network for tunnel while home
  3. Enable PoE passthrough on hAP (in Setup, Advanced Configuration)
  4. Flash firmware to NSM5 (Isaac did this part)
  5. Configure NSM5
    1. Name: KJ6LDJ-InnerRichmond-SECTOR
    2. Mesh RF enabled with IP 10.106.70.188, netmask 255.0.0.0, SSID AREDN (-10-v3 automatically appended), channel 179 (5895), width 10 MHz
    3. Tx power 27 dBm, auto distance
    4. LAN Mode 5 host Direct, DHCP server checked
    5. WAN protocol DHCP, DNS's 8.8.8.8, 8.8.4.4, both advanced WAN access options unchecked
  6. Attach everything to the tripod
  7. Connect battery to hAP to NSM5
  8. Set up tripod and aim NSM5 roughly at where existing nodes are located
  9. Connect phone over wifi to hAP's "sfwem" network configured in 2.e, above
  10. Open phone's browser to kj6ldj-hap.local.mesh:8080
  11. Open Charts, enable Sound, aim for max SNR, then click "Quit"
  12. Mesh Status, open various Services hosted but other nodes, and use them!
Next iteration may be to take aspects from Jeffrey KI6SGV's setup: https://github.com/italic-r/AREDN-PAN

Action shot of my first connection, from the Presidio Golf Course:

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