> Bandwidth impact Article touches on but doesn't clearly explain the bandwidth impact of a 1-armed router: Every routed packet is traversing the same link twi

> Bandwidth impact Article touches on but doesn't clearly explain the bandwidth impact of a 1-armed router: Every routed packet is traversing the same link twice (in+out), so usable aggregate bandwidth is halved. If you're fortunate enough to have a symmetrical Internet connection > 500Mb/s that means you can't upload and download at the maximum rate simultaneously. If you run multiple VLANs that also means the cross-VLAN traffic is competing with Internet traffic for bandwidth on the router's interface. A while back I made some potato-quality charts to illustrate because this comes up all the time when discussing Ubiquiti's MediaTek-based routers that are architected as a switch with an internal router-on-a-stick. https://imgur.com/a/vtgUp02 https://imgur.com/a/vtgUp02