SMARTnet is Cisco's technical support service that provides benefits beyond standard warranty, including access to Cisco Technical Assistance Center (TAC) support, software updates and upgrades, access to knowledge resources, and commitment to service level agreements. It ensures quick issue resolution, empowers IT staff, mitigates risk, improves network reliability and security, and reduces costs. SMARTnet offers different support levels for hardware, software, and managed services depending on response time and coverage required. Discounts are available for multi-year contracts, renewals, takeovers, educational institutions, and partners. Customers can generate quotes and estimates based on product serial numbers and required support details.