gordonb3 wrote: 
> I have a somewhat older device, an Excito B3 (armv5, 1GHz, 2*Gb NIC +
> Wifi). I don't actually use the second NIC adapter internally though
> because this also serves as my internet router. What I did was enable
> VLAN tagging on the internal NIC and create multiple SSIDs on the wifi
> and then I bridged some of these virtual objects. Confused?
> 
> WIFI:
> The idea is the same as a guest wifi. Assuming you run Linux and your
> machine has a wifi adapter, you need to install `hostapd`. The default
> config should get you going to create a wifi AP. The next step is to
> identify your adapter name and note it's MAC address but change the
> first two digit number to become `02` (e.g. if you have
> `09:ab:cd:ef:12:34` write down `02:ab:cd:ef:12:34`). In your
> hostapd.conf add/edit the following directives:
> 
> 
Code:
--------------------
  >   > interface=<interface name>
  > bssid=<altered MAC address>
--------------------
> > 
> I use a udev rule to override the so-called predictable names to
> follow the old standard where the wifi adapter is wlan0. To create
> additional SSIDs extend the hostapd.conf with directives like the
> following:
> 
> 
Code:
--------------------
  >   > bss=wlan0_0
  > ssid=squeezeplay
  > 
  > bss=wlan0_1
  > ssid=guest
  > 
  > bss=wlan0_2
  > ssid= privileged
  > wpa_key_mgmt=WPA-PSK
  > wpa_pairwise=CCMP
  > wpa=3
  > wpa_passphrase=ExtremelySecretPassword
--------------------
> > 
> 
> Note that the original wlan0 is your primary SSID, so if you add all
> of the above you will have 4 wifi networks in total. Of course all of
> these need their own static IP address and you require a DHCP server
> to distribute IP addresses to connecting machines. Despite its name,
> `dnsmasq` works excellent for this.
> 
> VLAN TAGGING
> In a nutshell this means that you wrap your network traffic in an
> additional envelope. Both peers must support it, meaning that you
> require a switch that is able to understand this protocol (802.11q).
> Since however the switch can either add or strip the additional VLAN
> tag you do not need to make changes to other devices as well, but you
> will have to mark which physical port on the switch is linked to what
> VLAN.Thank you for going into trouble of this comprehensive answer..

I will try get my head around it when I find a minute.. I mean quite few
hours to scratch my head.. 

I think my main problem was fact that due to rural location my lan is
actually already vlan of next-door meraki router managed by isp (it was
only way to get fibre speed connection) So not sure if I can create
another vlan within vlan( like nested vlan) without admin access to main
router.. I do have  switch with vlan capability and few openwrt routers
acting as dumb AP mesh wifi so few possible options are there. However I
remember worrying about double NAT as dhcp is running on managed router
next door. Not sure if that's relevant to vlans or not.. 

I can request some vlan config changes from isp, but I would need to be
actually sure I know what I'm doing [emoji23]..



3x Squeezebox Touch, 4x Squeezebox Radio, Squeezelite (RPi 3B with
HiFiBerry DAC+Pro on OSMC), Material Skin Apk, Squeeze Commander,
Logitech Media Server Version: 8.2.0 with Material Skin (Docker in
DS218+)
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