If you are willing to move to Ubiquiti hardware (recommended, security breach from today notwithstanding) there's a relatively straightforward bypass method whe

If you are willing to move to Ubiquiti hardware (recommended, security breach from today notwithstanding) there's a relatively straightforward bypass method where the authentication packets are forwarded from the ONT to the AT&T box but it's otherwise out of the loop, and you have fully native routing with the Ubiquiti USG (a really nice router and ecosystem). Instructions: https://medium.com/@mrtcve/at-t-gigabit-fiber-modem-bypass-using-unifi-usg-updated-c628f7f458cf https://medium.com/@mrtcve/at-t-gigabit-fiber-modem-bypass-u... Github project that makes it possible: https://github.com/jaysoffian/eap_proxy https://github.com/jaysoffian/eap_proxy It's definitely not plug and play but I've been using this setup for a year and a half and I get my full 1gb bandwidth throughout my network with lots of hosts.