@MisterW Thank you all for your help and investigations. My ISP could fix it in their backend. Because I'm curious, I asked them if they could tell me what the issue was, so I'm waiting on their...

@MisterW Yeah the RFC was kind of interesting. I've never dug that deep for an network issue before. At least I learnt something new. Hmm you could be onto something, didn't think of that yet. Maybe...

Hi @Clive_A Thanks for the reply. From what I understand it should ARP probe the IP a few times before it sends the ARP announce. At least form what I read in the RFC. I'm no expert though, just...

@MisterW I sadly couldn't get port mirroring working quickly in openWRT so I did a capture on my laptop hooked up to the fiber modem directly. Laptop is running Windows. It gets the IP normally by...

@MisterW Thanks for the reply. No my ISP is not enforcing a certain MAC as I have tried with different devices and got a connection. It only seems that getting a public facing IP is bound to the...

Hi there, After getting fiber to the home I switched to the ER605v2 but cannot get it to connect to the WAN. It just didn't get an IP from my ISP's DHCP. After trying a lot of things and contacting...