Enabling Samba Shares Across Subnets, Part 1

"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.

"If you're wondering why not just bridge your wired and wireless subnets, you can, and this works well for small networks. But Ethernet bridging does not scale very well because it generates a lot of broadcast traffic, and as you add more subnets it becomes pointless--if you're going to bridge them you might as well have one big address space instead of dividing it. Routing is more efficient, and you have more control over what goes where. So you can have it all--a nice efficient routed network, and a central Samba server available to all your network segments. (You can also share printers across subnets with CUPS, and make them available to Windows clients with CUPS + Samba.)"

Complete Story

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