On 2024-03-25, Evan Sherwood <[email protected]> wrote: >>> interface igc1 { >>> prefix fdbf:e79a:8e3e::/48 >> ^^^^ >> lesser operating systems will refuse to form autoconf addresses if the >> prefix length is not 64. > > Thanks, this was helpful. I got addresses allocated on client machines, > but they don't seem routable.
> I can ping6 back to my router using the IPv6 address in the prefix > delegation from my ISP, but I cannot seem to do the same for the > addresses in my ULA prefix. Did you configure an address in the ULA prefix on the gateway? (hostname.if / ifconfig). > I was following this guide: > https://www.kuon.ch/post/2022-03-15-openbsd-dhcp-pd/ > > I modified my /etc/dhcpcd_up.sh to read > > ``` > route sourceaddr -ifp igc0 > ``` > > ... where igc0 is my ISP-facing interface. I assigned a static ULA to > the same interface as an alias. Not sure if that's relevant, but it felt > relevant to mention. > > On the router, netstat -rn shows a route to my client in the ISP prefix, > but no route in my ULA prefix. > > Is there something additional I need to do to enable communication over > addresses in my ULA prefix? > Better to show what's actually configured (ifconfig -A, rad.conf, netstat -rnfinet6, etc). To reach the internet from ULA addresses you'll need NAT. Alternatively use *both* global and ULA prefixes in rad.conf (or I think you can use auto prefix). But I don't think you've got that far yet. -- Please keep replies on the mailing list.

