Cable modem + router + FreeBSD

[Beastie]

Hello everybody.

I posted this here instead of in "General Hardware" because it's 2/3 FreeBSD-related.

Ok, here we go. I currently have a cable modem connected to one computer. It has both USB and Ethernet ports, and it doesn't seem to be supported by FreeBSD (using the USB connection, at least).

Anyway, since I want to connect more than one computer through the modem, I thought I'd use a router.

The setup would be as follows:

---CATV-cable---[modem]
                 |   |
                 E   U
                 T   S
                 H   B
                 |   |
  [router]--WAN--'   |
    | | |
    L L *WLAN*
    A A
    N N
    1 2
    | |
    |
  [NIC]--FreeBSD PC

1. Is such a setup possible at all?

2. Is such a setup "operating system-independent", since it uses an Ethernet NIC? I mean, would FreeBSD recognize any router brand or should I get specific brands?

3. Would the configuration on FreeBSD be as simple as configuring an Ethernet device and enabling DHCP (as explained in the FreeBSD manual), or would it require additional configurations?

Thanks.