Don't forget that WR1043ND is only SOHO router without many features like in SMB products.

I suggested only two possible ways to solve your problem with shell access, that's all.

I said, you can always change the brand of the router.

This is question for TP-Link people, not for me - normal user on this forum. You have to report it here - http://ticket.tp-link.com/index.php?/Tickets/Submit

[QUOTE1Gbps broadband connection and only getting about a quarter of the speed, does it make any sense? ][/QUOTE] That's normal without hardware NAT support. You have to think about another router...

Have you tried settings TP-link like AP, without WAN and DHCP Settings? http://www.tp-link.com/en/FAQ-417.html