@Adamr2506890601
It isn't a single setting as such but a type of configuration for the topology of the ethernet switch during the setup of the ethernet ports. If you let me know the ethernet switch model and make I'll attempt to point you in the right direction...
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Zen internet on FTTP (900Mbps down, 100Mbps up). SAT> IP (Apple 4K 2nd gen TV to LG C1 OLED UHD TV/Dolby Atmos Denon AVR, DacMagic Plus for Hi-Res audio), hosting own blog/forum (cluster), OPNsense & Zenarmor L4/L7 NGFW & DPI IDS/IPS, Asus ET12 Pro Tri-Band wifi, Linux, Gamer: Xbox Series X/i7 laptop, round-robin DNS over HTTPS, non-proprietary VoIP HD AMR-WB (G.722.2) and more... Beta tester Apple iOS/watchOS/tvOS/iPadOS/macOS.
COMPLEX HOME NETWORK ISSUES - USING NETGEAR SWITCH
