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3 articles
Build the subscriber authentication layer small ISPs actually run: PPPoE server on RouterOS, FreeRADIUS with SQL, per-plan rate limits, and usable accounting.
Link budgets, channel planning, and the capacity maths behind point-to-point wireless backhaul for small ISPs — plus how to know when to stop and lay fibre.
A field-tested RouterOS hotspot behind a transparent bridge — keep client visibility, fix captive-portal detection, and stop users bypassing the login page.
