Cisco Routers - Refurbished, Used, New: If your network demands reliability from branch to core, the Cisco Routers collection at NetworkTigers provides top-tier platforms ready to lead today's deployments. This selection features Cisco’s elite routing families—ISR (Integrated Services Routers) for flexible, secure branch connectivity; ASR (Aggregation Services Routers) for high-capacity enterprise and service provider edges; and NCS (Network Convergence System) routers for ultra-scale, modular telecom environments. Whether you’re rolling out VPN edge access, consolidating aggregation hubs, or building an Internet-scale backbone, Cisco has the router to match your architectural design.