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[Q] ASUS RT-AC66U Ethernet WAN port bound to primary bridge group.

Dr Strangelove

Occasional Visitor
On an ASUS RT-AC66U, is it possible to 'bind' the Ethernet Gbit WAN port to an existing switched Ethernet bridge group to provide an extended switched LAN to the primary router?
I'd still like the 802.11n and 802.11ac WiFi to remain an Access Point.

Current Scenario

location A: Linksys E4200v1 TomatoUSB fw

---Gbit Ethernet---

location B: Linksys 5 port Gbit switch
location B: Linksys E900 TomatoUSB fw
location B: ASUS EA-N66 5GHz AP

I have a E4200 connected to the Internet on the WAN port via an ADSL2 modem.
The E4200 is locally servicing an OpenVPN server, PPTP Server, DNS(local) and DHCP server.
The E4200 has a Gbit Ethernet connection to the E900 router WAN(100Mbit) port via the Linksys 5 port Gbit switch.

The E900 and the ASUS EA-N66 5GHz AP are both connect to a Gbit Linksys switch which in turn is connected to the Linksys E4200v1.

The E900 has the WAN port configured as part of the primary LAN (br0 in this case)
DCHP is disabled.
This effectively extends the switched LAN of the E4200 using the 100Mbit Ethernet ports of the E900.

WDS is in use between the 2.4GHz WiFi of the E900 and the E4200 2.4GHz WiFi with the same SSID for ease of wireless connectivity.

Proposed Scenario


Effectively I'd like to swap out the Linksys E900, Linksys 5 port Gbit switch and ASUS EA-N66 AP and replace them with an ASUS RT-AC66U.
I'd like to used WDS on both 2.4GHz and 5GHz and also take advantage of the 802.11ac service on the ASUS RT-AC66U.
I see there is an Access Point(AP) mode in the ASUS RT-AC66U standard setup.
Is this effectively mapping the Ethernet ports(all five) to the primary switched Ethernet LAN(bridge group) of the Linksys E4200v1 and allowing the ASUS RT-AC66U to provide 802.11n and 802.11ac WiFi access.
Does Access Point(AP) mode work the same way as the ASUS EA-N66 AND still give me access to the local Ethernet switched ports which hopefully (all five) would be seen in the primary E4200v1 LAN bridge group.

Effectively I want to turn the ASUS RT-AC66U into a five port Gbit switch with 2.4GHz and 5GHz(802.11ac) WiFi Access points, connected via Gbit Ethernet to my Linksys E4200v1 router. Possible?

I can probably do all this if I install TomatoUSB on the ASUS RT-AC66U, but was wondering if it's possible using the default ASUS fw.

Thank you for any thoughts or experience on this matter.
 
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