{"product_id":"culmen-failover-engine","title":"Culmen Failover Engine","description":"\u003cp\u003eAutomatic multi-carrier failover for MikroTik routers. Keeps subscribers online when an upstream provider fails.\u003c\/p\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent health monitoring\u003c\/strong\u003e per uplink, with hysteresis — no flapping on a single dropped packet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSub-4-second failover\u003c\/strong\u003e between transit providers, invisible to most subscribers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScoped routing changes\u003c\/strong\u003e with correct connection tracking, so established sessions actually move rather than sticking to a dead path\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScheduled bandwidth windows\u003c\/strong\u003e — apply different rate profiles by time of day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm logging\u003c\/strong\u003e for events that need a human rather than an automatic action\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy this is hard to get right\u003c\/h3\u003e\n\u003cp\u003eNaive failover scripts fail in ways that look fine on the router and terrible to the customer: probes that never traverse the path they claim to test, routing changes that leave old connections on the dead link, watchdogs that fire heavyweight scripts on a single missed ping. This engine was built by working through those failures on a production network.\u003c\/p\u003e\n\u003cp\u003ePerpetual licence. Configured to your specific uplinks and topology.\u003c\/p\u003e","brand":"Culmen","offers":[{"title":"Perpetual licence","offer_id":54337993408855,"sku":"CLM-MOD-FAILOVER","price":440.0,"currency_code":"GBP","in_stock":true},{"title":"Monthly subscription","offer_id":54343047053655,"sku":null,"price":35.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1038\/2937\/3271\/files\/culmen-failover-engine_26a7835e-51f1-4267-bba9-5b7eeef4abc2.png?v=1786770577","url":"https:\/\/culmensoft.com\/products\/culmen-failover-engine","provider":"Culmen","version":"1.0","type":"link"}