Q&A: How long does BGP Convergence take? Question How long does BGP convergence / BGP reconvergence take? Environment Silverline DDoS Silverline Routed Customer Answer BGP reconvergence can take about 30-60 seconds, depending on ISP conditions. Related Content Q&A: What is BGP and how does F5 Silverline use BGP? Q&A: What is BGP Flapping? How do GRE Tunnel Load Balancing and Route Preferencing work? Have more questions? Submit a request