lans.<n>.ipv6.address (a ULA /64) is assigned to the LAN, announced
with an explicit prefix (networkd only announces the delegated prefix
when prefix delegation is on) and advertised as RDNSS; Unbound listens
and answers on it. Checked at build time: valid IPv6 CIDR, /64, fc00::/7.
Covered by the onestick VM test (client SLAAC address, ping and DNS over
the ULA, RA captured on the wire), assertion cases and a unit test for
the /64 prefix helper.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
- wan.ipv6.transport = "ppp": IPv6CP in pppd, router advertisements and
DHCPv6 prefix delegation on the PPP device, DHCPv6 accepted on the PPP
device, IPv6 MSS clamped to MTU-60. Allowed on a shared single-NIC
link. A build-time check requires a PPPoE uplink.
- IPv4 MSS clamping now only matches IPv4 packets.
- The example uses the new box's NIC name (enp2s0).
Covered by the onestick VM test (radvd and a minimal DHCPv6-PD
responder as the ISP) and assertion cases.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
- Allow the WAN link to also carry LANs when the uplink is PPPoE on a
VLAN with IPv6 off; only the PPP device counts as an uplink then, so
LAN traffic can never match WAN rules.
- Add router.rollback: router-arm / router-confirm / router-rollback
plus `nix run .#deploy`, a commit-confirm deployment flow.
- Wait for the LAN devices instead of the uplink in networkd
wait-online, so an unplugged uplink cannot block boot or activation.
- Add examples/desktop (single NIC, PPPoE on VLAN 1001) as
nixosConfigurations.example, built as a flake check.
Covered by the onestick and rollback VM tests and new assertion cases.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>