LAN connections given IP on Primary network, Wifi connections on overlay

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MattT

• October 03, 2022 18:57

Hi - I have a Blue+ 

Most of my devices are connected via wifi on the overlay network, but cabled, LAN connections get added to the Primary Network instead of the Overlay. 

Why is this, and how can I change it?

Thanks 

PS I find the adverts that 'someone has just bought a firewalla gold' so FRUSTRATING on your website.  I'm trying to read the manual pages and there's this constant barrage of adverts about who's bought what - I really don't care about this - it's so hard to concentrate on what I'm reading with all those notifications popping up.

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  Michael Bierman

  • October 03, 2022 19:12

  I assume you are using DHCP mode? 

  If your router doesn't allow you to disable DHCP you can use this technique to force devices to get IPs from Firewalla. https://help.firewalla.com/hc/en-us/articles/360009259414-Setup-Guide-Routers-that-are-not-able-to-turn-off-DHCP-Service

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  MattT

  • October 04, 2022 05:54

  Thanks for your reply. Yes, I'm in DHCP mode and DHCP is disabled on the router - which is why I'm confused that I'm getting an IP address from the Primary network. 

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  Michael Bierman

  • October 04, 2022 22:12

  Here are a few things to try: 

  1. Make the LAN network on the router just 1 IP big so only FW can get an IP.
  2. You can also make the Primary network on FW small though I wouldn't think you need to. 
  3. Make sure that the devices aren't using static IPs. 
  4. If a device has an IP it may take a day for the IP lease to expire and get a new one so don't be surprised if during initial setup devices at first have an IP on the wrong network. If I remember, on Blue Plus DHCP mode you can't change the lease time. I think the default is one day. 

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