Sending a copy of the relevant portions of /etc/rc.conf, the output of “ifconfig”, and “netstat -nra”, and the dhcpcd config file would be helpful to determine next steps.
Tom > On Sep 13, 2025, at 4:49 PM, Chris Ross <[email protected]> wrote: > > Hello all. My primary home router is a FreeBSD 14 system, with an outside > connection to Verizon, through a direct connection to the ONT. (ie, no > Verizon router/bridge involved). I did a bunch of work last year, running > 14.1, to get IPv6 working with what they provided, and it was all working > alright until I upgraded the system for 14.3 a month or so ago. I noticed > some problem immediately with dhcpcd’s logging, which I assumed was from > running an older version I built myself, and I switched to the one in ports > which seemed okay (to my eyes, but I fear I may not actually have tested it). > > Tl;dr; I am not able to get IPv6 traffic in and out of my house through > Verizon. I reached out to Roy Marples, who had helped me get this all set up > using dhcpcd a year ago. But, after looking for a bit, I think it’s not > dhcpcd that is the problem. > > Dhcpcd sends a router solicitation (RS) out and immediately gets an RA back, > including the delegated IPv6 network I am expecting. Then, it sends a > neighbor solicitation (NS) and never gets an answer. A few seconds later > dhcpcd reports "vlan0: fe80::3e8a:b0ff:fe3e:4dce is unreachable” and begins > the router solicitation process over. This happens every few seconds. I’ve > assigned the delegated networks internally, but nothing works since I can’t > send any traffic out. > > The RA is coming from "fe80::3e8a:b0ff:fe3e:4dce” on vlan0, but there is > never a routable address: > > % ndp -an | grep 'fe80::3e8a:b0ff:fe3e:4dce' > fe80::3e8a:b0ff:fe3e:4dce%vlan0 (incomplete) vlan0 expired I > > The NS I’m sending is to ff02::1:ff3e:4dce, but I’m never getting an answer. > It looks like I’m never getting any NAs. I’ve tried turning on effectively > “allow all icmpv6” in my pf.conf, and still seeing this. And the pf.conf > hadn’t changed since it was working in 14.1 a couple months ago. > > Just looking for next steps now. Interfaces are all vlan interfaces on an ix > device running at 1gb/s. Is there any known issue in 14.3-RELEASE-p1 ? > > Thank you. > > - Chris >
