On Tue, Jan 22, 2013 at 8:03 PM, Matthew Cengia <mattcen@gmail.com> wrote:
Hi all,

TL;DR
=====

I'm looking for an Optus-approved cable modem whose Ethernet port
I can plug into my WNDR3800 router such that the WNDR3800 is directly
exposed to the public IP address, with no private addressing or NAT in
the way. Which one, if any, should I choose?

DPQ3212

I've got mine plugged into my Tomato WRT54GL and it works fine.
As for cost, I was able to get Optus to send it out to me for free, when I complained that the 'all in one'  Netgear they sent out initially was firmware crippled to stop you from being able to use a proper router.

WFM

cheers,

     / Brett