“It’s a common belief that Samba shares cannot be accessed
across subnets. But actually Samba can cross subnets. It’s easy for
Linux hosts, and a bit less easy for Windows clients. But fear not,
for we shall guide you through safely past the traps and
pitfalls.“In this series we’ll set up a Samba server that serves two
subnets, which is is a common scenario even on home networks: one
wired and one wireless. Then we’ll hook up a third subnet just to
show how it’s done. Once you know how to do that you can easily
expand to as many subnets as you want. In Part 1, we’ll start out
with a simple anonymous file and printer server…”