Depending on your bandwidth (especially if you have an asymmetric connection like cable) using it as a router-on-a-stick with vlans should work. On lower end h

Depending on your bandwidth (especially if you have an asymmetric connection like cable) using it as a router-on-a-stick with vlans should work. On lower end hardware you'd probably get higher throughput over the single link than trying to add a USB LAN adapter to it.