The Cisco 7300 Series is optimized for flexible, feature rich IP/MPLS services at the network edge, where service providers and enterprises link together. The Cisco 7300 Series can be used for enterprise campus Internet gateway applications or be deployed by service providers as a high-end CPE router for enterprise-class managed service offerings. Coupled with powerful network processing, a broad set of interfaces and a compact, modular form factor the Cisco 7300 is ideal for intelligent, multi-gigabit network edge applications.
Enterprise: Campus WAN or Internet Gateway router
Service Provider: High-end CPE router, Metro Ethernet CPE, Managed IP VPN (MPLS or IPsec) and Broadband Aggregation router
Most robust set of customer edge features including: Network Address Translation (NAT), integrated stateful firewall, Network-Based Application Recognition (NBAR), Quality of Service (QoS), and traffic shaping.
Multi-gigabit backplane capacity with a broad set of interfaces from DS-1 to OC-48/STM-16 along with integrated Gigabit Ethernet.
Cisco 7301 - Compact, highest performing 1 RU routing platform in the industry.
Cisco 7304 - Most compact (4RU) routing system to offer high availability with route processor redundancy.
Built-in Gigabit Ethernet (copper or optical) ports with support for Cisco 7000 Series Port Adapters
High Performance IP/MPLS Services - Innovative adaptive network processing powers a broad set of network applications and services.
Usedrouter.com, Inc buys and sells new and used Cisco 7300 Series Routers.
Here is a list of products in the Used Cisco 7300 series