OPNsense Forum

English Forums => 25.7 Series => Topic started by: bksoui on October 04, 2025, 01:36:11 PM

Title: Lost access to WebUI and internet after changing IPv6 configuration on interface
Post by: bksoui on October 04, 2025, 01:36:11 PM
Hello everyone,

I am quite new to OPNsense and I hope you can help me. I am still learning, so unfortunately I don't know exactly which additional information (logs, configs etc.) would be most useful for you – please let me know and I will provide them.

My setup:

What happened:

Could someone please help me understand what went wrong and how I can fix this?

Thanks a lot in advance!
Title: Re: Lost access to WebUI and internet after changing IPv6 configuration on interface
Post by: Saarbremer on October 05, 2025, 03:42:43 PM
Hi,

could you please elaborate more on your setup?

What network segments do you have (VLANs and/or WIFI SSIDs) and where do they occur in your setup? Is your modem just a bridge to your ISP or is it actually doing the PPPoe (or whatever it is you're having)?