Firewalla gold plus will not get DHCP address from ISP

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paul.j.buchanan

• July 11, 2024 07:44

My current setup consists of an OPNsense firewall connected to a DrayTek Vigor 165 modem.
The modem is in bridge mode and passes the ISP assigned IP address through the LAN port. This works fine with OPNsense, however firewalla will not get an IP address. Any ideas?

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  Michael Bierman

  • July 11, 2024 08:18

  Which Option are you using? Does your ISP require VLAN tags? 

  

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  paul.j.buchanan

  • July 11, 2024 09:24

  Bridge mode from memory. My ISP does not require VLAN tags. Works with OPNsense so I am not sure what the issue is?

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  paul.j.buchanan

  • July 11, 2024 09:58

  The other option I have is to connect the WAN connection on the firewall to my LAN network while OPNSense is running.

  This will issue it a DHCP address and assume complete the setup?

  I can then try and change the physical connection from the LAN network across to the WAN port on the modem and see if that works?

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  Firewalla

  • July 11, 2024 16:30

  Check these two things

  1. Make sure you reboot the modem, so it forget your previous router.

  2. Check with your ISP and make sure they don't local your MAC 

   

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  paul.j.buchanan

  • July 11, 2024 23:38

  Have done both. OPNsense firewall works fine.

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  Firewalla

  • July 11, 2024 23:52

  @paul, it doesn't make much sense, dhcp is probably the simplest protocol, unless there is ISP local on your MAC. What you can do is connect your firewalla to your existing router, and I've created a ticket for you. We can go inside and look at the DHCP logs and see if there are any errors

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  paul.j.buchanan

  • July 12, 2024 00:33
  • Edited

  I agree. Makes no sense. I have connected the Firewalla box WAN port to the local LAN. It has a local IP address and is accessible over the internet now.

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  paul.j.buchanan

  • July 12, 2024 00:43

  @Firewalla please see ticket #84534

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  Nathan Williams

  • September 21, 2024 21:54

  I am seeing the same thing on Firewalla Gold. It works when I plug the Nokia Beacon running in bridge mode directly into my UniFi Dream Station. The Dream Station takes the ISP IP Address, but the Firewalla Gold will not release the private IP first delivered by the Beacon even after a power cycle to take the public IP. It worked with Arris modems, because they aren’t a true bridge, but an assigned IP Pass-thru and you lock the MAC address to the pass-thru.

  @Firewalla Any luck on what is going on?

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  Nathan Williams

  • September 21, 2024 22:59

  @Firewalla.

  My current workaround is clone the MAC Address of the beacon and plug the fiber converter Ethernet cable into switch that feeds both the Beacon router and the Firewalla. With the Firewalla cloning the MAC it will pull the IP correctly and if I lose power both come up at the same time and internet is restored. I did the same thing with my Arris as I said it is not a true bridge mode and it still pass the gateway through it. This works and it immediately took the ISP’s IP. You guys have something going on though that won’t except a public IP for some strange reason.

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