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Other home-users who have ISPs with dynamic IPs, does OPNSense automagically adjust and acquire a new IP assignment for you (after a blackout/servicing/what-have-you)?  Is there some setting I'm not seeing?

If I am connecting my modem (in bridge mode) to my OPNSense box, what is the order of booting & timing for doing so? 

Is there a function/button in OPNSense to tell it to "REFRESH" its DHCP settings/assignment from the modem/ISP? 

Interfaces -> Overview -> WAN "Reload" ...what does that do specifically?

[Lenovo 1-litre PC with a 4-port Intel NIC. My router is a Motorola MG8702. My ISP is WOW!. I am in the United States.OPNsense 25.1.7_4-amd64FreeBSD 14.2-RELEASE-p3OpenSSL 3.0.16]

Hi,
I tried websearching the issue.  This is my first experience using my own PC firewall/gateway/router.  I hope it is a setting issue.

I have a small Lenovo 1-litre PC with a 4-port Intel NIC.  My router is a Motorola MG8702.  My ISP is WOW!.  I am in the United States.
OPNsense 25.1.7_4-amd64
FreeBSD 14.2-RELEASE-p3
OpenSSL 3.0.16

When I first set up the system a few months ago, I first encountered the issue.  When booting the OPNSense system with the modem in bridge mode, the system absolutely refused to (not sure the technical term) "bind" to the modem and be granted the IP address -long stall and timeout when it was booting through the "configuring WAN" (don't remember exact term) bit.  So, it would finish booting, but not have a WAN connection.  I tried different ports on both pieces of hardware, and rebooting/restarting both systems over a dozen times.  I ended up calling Motorola, thinking it was a MAC binding issue.  The chap said everything should be automatic on that system and walked me through rebooting it with a Linux live distro (I should be ashamed that I did not try that).  The same Lenovo (OPNSense) system, worked fine booting a Linux live distro and letting the modem bridge the IP to it.  So all I had to do was just reboot the system into OPNSense, and it worked perfectly.

Two months later, my ISP went down while they expanded in the neighborhood.  I assume I got a new (dynamic) IP.  The system needed to be restarted.  I was back to the initial problem.  OPNSense refuses to acquire/bind to the modem.  I have to drag a monitor, keyboard, mouse, and Linux live USB distro into the room to boot a live distro to get the PC & modem to bind.  Boot into Live Linux distro. Check that the Internet works. Reboot into OPNSense.  Fine.

This seems like an OPNSense issue or modem compatibility issue.  Surely I am not the only one to experience this?