RETCON Mesh - Reticulum Embedded Turnkey Connection Operating Node

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  • varx
    Member
    • Jul 2025
    • 3

    #1

    RETCON Mesh - Reticulum Embedded Turnkey Connection Operating Node

    Reticulum offers a scalable, fully customizable, and secure-by-design off-grid mesh network, but the config can be confusing, hard to manage, and hard to share with beginners. RETCON allows you to package a pre-made Reticulum config into ready-to-roll Raspberry Pi images. And it auto-detects hardware to magically mesh upon deployment. Perfect for when you need a secure resilient mesh network yesterday, like maker fests, festivals, community networks, or right here at DEFCON.

    In this talk I'll do a brief overview of some popular Mesh networking tech; Explain why, in my opinion, Reticulum has the most solid foundation for building real-world, resilient mesh networks, and how RETCON makes it so easy to configure and deploy a reticulum network that even your nontechnical friends and family can get meshed up! I'll show you how to flash a RETCON image on an SD card for a raspi, explore LXMF and nomadnet on the DEFCON retcon mesh, and there may even be a few free boards up for grabs.

    Time & Place:
    Fri, Aug 8 at 09:00 – 09:45 PDT and 10:00 – 10:45 PDT
    LVCC - L2 - W210


    Already have a reticulum node? Whether you'll be in vegas, or at home, you can join us on the DC33 RETCON mesh! Here are the connection interfaces we'll be using (in order of preference):

    Code:
    #Lora/RNode
    [[RnodeUSB]]
    type = RNodeInterface
    # port = /dev/ttyACM0
    frequency = 914875000
    bandwidth = 250000
    spreadingfactor = 6
    codingrate = 5
    
    # Yggdrasil
    [[Yggdrasil DC33]]
    type = TCPClientInterface
    target_host = 201:a3a2:c571:2369:c339:7c3b:5874:9868
    target_port = 4343
    
    # I2P
    [[I2P]]
    type = I2PInterface
    enabled = yes
    connectable = True
    name = I2P
    peers = scvwi4vo3mqlytrg2tyedra4jndoovsr746bvp66pux6np5uqp ca.b32.i2p
    Last edited by varx; July 24, 2025, 10:34. Reason: Added tags
  • varx
    Member
    • Jul 2025
    • 3

    #2
    Update to manual Reticulum config to better support the Sideband Android app

    If you are using RETCON at DC33 with an RNode be sure you're on version v0.0.8 or greater.
    https://github.com/DanBeard/RETCON/releases/tag/v0.0.8

    Code:
    #Lora/RNode
    [[RnodeUSB]]
    type = RNodeInterface
    # port = /dev/ttyACM0
    frequency = 914875000
    bandwidth = 250000
    spreadingfactor = 7
    codingrate = 5
    
    # Yggdrasil
    [[Yggdrasil DC33]]
    type = TCPClientInterface
    target_host = 201:a3a2:c571:2369:c339:7c3b:5874:9868
    target_port = 4343

    Comment

    • varx
      Member
      • Jul 2025
      • 3

      #3
      Thanks to the good folks in the Chicagoland Reticulum Network we now have a TCP interface that will connect with the DC33 network! No Yggdrasil or I2p required! (Those will still work if that's more your style)

      Put the config below in your reticulum config file. Or, if you prefer a GUI then download the latest reticulum Meshchat version for windows/mac here: https://github.com/liamcottle/reticu...ses/tag/v2.2.1

      Click on "interfaces" -> "Add new Interface" and set Name = DC33 , Type = TCP Client Interface, Target Host = dc33.retcon.network Target port = 4242
      Then click "Add Interface" and reboot the application. BOOM You're connected!

      Code:
      [[TCP Client Interface]]
      type = TCPClientInterface
      enabled = yes
      target_host = dc33.retcon.network
      target_port = 4242

      Comment

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