CPE Static Routes (UI)
- Add/verify:
  - 10.10.30.0/24 via 192.168.0.2  (MikroTik WAN IP)
- Optional (future):
  - 10.10.10.0/24 via 192.168.0.2
  - 10.10.20.0/24 via 192.168.0.2
  - 10.10.40.0/24 via 192.168.0.2
- Keep NAT enabled (CPE is the only NAT).