Raspberry Pi as a router using a single network interface
My 4G router - using a Raspberry Pi : r/raspberry_pi
Raspberry Pi 3B+ Network Speed - NotEnoughTech
RouterPi - A Compute Module 4 Router | Zak's Electronics Blog ~*
Raspberry Pi 4 as a Home Router - OpenWRT + AdGuard Home – Gateway IT
Setting up a Raspberry Pi Internet Speed Monitor - YouTube
RouterPi - A Compute Module 4 Router | Zak's Electronics Blog ~*
Raspberry Pi 4 Benchmarks: Processor And Network Performance Makes It A Real Desktop Contender | Hackaday
Amazon.com: GeeekPi Raspberry Pi CM4 Router Board,Raspberry Pi Compute Module 4 Expansion Board Breakout Board Module for Raspberry Pi Compute Module 4 Series : Electronics
Raspberry Pi as a router using a single network interface