We have almost the same setup and I just went through this, here is my VMG8324 settings for bridge mode :
I disabled wireless and DHCP server and just use a static IP for it. Here is my router thingies :
Note : the only thing that caught me out was I tried to use the WAN port on my VMG8324. You come out of a VMG8324
LAN port and into the
ROUTER's WAN port (Or at least thats what works for me)
Gimme a shout if you want to check anything
GL!
Chunks