The link for D-link support site/documentation in the posting
http://forums.dlink.com/index.php?topic=61537.0
didn't work for me. I found the doc I wanted, including the user manual at
http://support.dlink.com/ProductInfo.aspx?m=DIR-890L%2fR
Was disappointed that the official link on inside first page in the Quick install guide
https://www.mydlink.com/
Required a lot of navigation to get to the DIR-890L page, and then to find only the firmware update available.
(I understand that there is probably a separate team responsible for that page, just commenting).
I've read thru many of the posts here, and can see that improvements are being made, but find it hard to believe that a high-cost product is asking the user community to flush out all of these issues. Many listed here in the forums seems like testing-lab 101. (yes I know some are resolved now). Fingers crossed that I can get this working as advertised.
But, all that said, a Big Thanks to the moderators and community for your support!