WRT32X as VLAN aware 'dumb' access point - How to configure?

Greetings all.

I'm trying to add a Linysys WRT32X with OpenWrt 22.03 to my existing, operational network as a 'dumb', VLAN enabled access point, but I'm finding that the options available in LuCI for this particular device don't allow me to follow any of the guides or tutorials available for this setup.

Current Network Description:
A dedicated pfSense box hosts the WAN connection from my ISP. Numerous VLANs are configured for various segments of my internal network. The pfSense box is trunked to my managed switch, which has groups of ports configured for each VLAN. All working fine.

Required OpenWrt Configuration:
The WRT32X is to connect to a port on the switch which is configured for trunking of three VLANs (20, 30, 40). The WRT32X is to have its WAN port configured as a trunk for the same three VLANs. The four LAN ports are to be in VLAN40 for IOT devices. The WRT32X is to host 2 WLANs, main and guest, VLANs 20 and 30. Below image shows current network configuration, plus desired OpenWrt configuration.

Problem:
I can't establish if the WRT32X contains an integrated hardware switch; some posts I've read suggest it does, but the output of ls -l /sys/class/net is a follows:

lrwxrwxrwx    1 root     root             0 Oct 14 22:44 br-lan -> ../../devices/virtual/net/br-lan
lrwxrwxrwx    1 root     root             0 Jan  1  1970 eth0 -> ../../devices/platform/soc/soc:internal-regs/f1070000.ethernet/net/eth0
lrwxrwxrwx    1 root     root             0 Jan  1  1970 lan1 -> ../../devices/platform/soc/soc:internal-regs/f1072004.mdio/mdio_bus/f1072004.mdio-mii/f1072004.mdio-mii:00/net/lan1
lrwxrwxrwx    1 root     root             0 Jan  1  1970 lan2 -> ../../devices/platform/soc/soc:internal-regs/f1072004.mdio/mdio_bus/f1072004.mdio-mii/f1072004.mdio-mii:00/net/lan2
lrwxrwxrwx    1 root     root             0 Jan  1  1970 lan3 -> ../../devices/platform/soc/soc:internal-regs/f1072004.mdio/mdio_bus/f1072004.mdio-mii/f1072004.mdio-mii:00/net/lan3
lrwxrwxrwx    1 root     root             0 Jan  1  1970 lan4 -> ../../devices/platform/soc/soc:internal-regs/f1072004.mdio/mdio_bus/f1072004.mdio-mii/f1072004.mdio-mii:00/net/lan4
lrwxrwxrwx    1 root     root             0 Jan  1  1970 lo -> ../../devices/virtual/net/lo
lrwxrwxrwx    1 root     root             0 Jan  7 10:12 mlan0 -> ../../devices/platform/soc/soc:internal-regs/f10d8000.sdhci/mmc_host/mmc0/mmc0:0001/mmc0:0001:1/net/mlan0
lrwxrwxrwx    1 root     root             0 Jan  1  1970 wan -> ../../devices/platform/soc/soc:internal-regs/f1072004.mdio/mdio_bus/f1072004.mdio-mii/f1072004.mdio-mii:00/net/wan
lrwxrwxrwx    1 root     root             0 Jan  7 10:12 wlan0 -> ../../devices/platform/soc/soc:pcie/pci0000:00/0000:00:01.0/0000:01:00.0/net/wlan0
lrwxrwxrwx    1 root     root             0 Jan  7 10:12 wlan1 -> ../../devices/platform/soc/soc:pcie/pci0000:00/0000:00:02.0/0000:02:00.0/net/wlan1

Which doesn't match either of the example outputs on the wiki. In any case, there is no 'Switch' entry on the 'Network' dropdown in LuCI.

I've spent a lot of time reading the docs, wiki and this forum but I still don't really understand how to configure this device in the desired fashion. Advice and assistance would be gratefully received.

go to menu network -> interfaces -> tab „devices“ -> device „br-lan“.
This is where your VLAN-enabled switch config can be found (for DSA-type devices like your W32x)

1 Like

Thank you. Your pointer plus this video helped me to the solution.

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