Keeping MBL duo online all the time?

If you’re still interested, you might check out the link below for how to manually set an IP Address on an N900 Router.  That’s if I understood correctly that you were thinking of getting a WD router.

http://community.wdc.com/t5/WD-Networking-Devices/WD-N900-Can-I-reserve-ip-address-of-selected-devices/m-p/433346/highlight/false