Zyxel P-870H-51A status page after bridge

I'm trying to get the Zyxel status page to work after bridge.

But keep getting unable to connect to 192.168.1.1

I bridge it with a TPLink flash to gargoyle firmware (192.168.2.1)

Setting from the zyxel

On Wan, Set the layer 2 interface in VLAN MUX mode

Set up the WAN interface for bridging

Tag VLAN 10

That's all.

Is there anymore setting I missed???

All the PCs, tablets, phones have it's own IP address 192.168.2.xxx

None of them conflicting.

Before that I use the telecom tg589vn v2 bridging too but able to get into the tg589vn status page easily without any settings, when I use any of my devices that with 192.168.2.xxx

Please help and thanks in advance.