I have had poor performance (constant zoom dropouts) while working from home using ATT’s modem. I was able to bypass ATT’s modem on my fiber connection and wanted to document up the hardware and software needed.

Hardware:

UDM PRO

Gtek GBIC Transceiver

https://smile.amazon.com/gp/product/B01L6PQ6I2

Software:

https://github.com/pbrah/eap_proxy-udmpro

Process:

  • Setup your UDM behind the ATT modem and get it online using (att’s fake) ip passthrough.
    • cat5 ont->att modem (ont port)
    • cat5 att modem (lan port 1)->udm port 9
  • enable SSH on the UDM under SSH AUTHENTICATION menu item
  • following¬†https://github.com/pbrah/eap_proxy-udmpro¬†instructions run the following commands
    • ssh into UDM
    • docker pull pbrah/eap_proxy-udmpro:v1.1
  • change wiring to:
    • cat5 ont-> udm port 9
    • cat5 udm port 10 -> Gtek GBIC Transceiver -> att modem (ont port)
  • ssh into UDM
    • podman run –privileged –network=host –name=eap_proxy-udmpro –log-driver=k8s-file –restart always -d -ti pbrah/eap_proxy-udmpro:v1.1 –update-mongodb –ping-gateway –ignore-when-wan-up –ignore-start –ignore-logoff –set-mac eth8 eth9

Notes:

  • It takes a few minutes to settle you can watch the log to verify
    • docker logs -f eap_proxy-udmpro
  • The modem will alternate blinking green and blinking red on the broadband led. This seems to be normal and does not inhibit the UDM from working as expected.
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