Cisco 12000 Series Used

The Cisco 12000 Series represents the industry\'s most intelligent portfolio of routing solutions that scale from 2.5Gbps/slot to 40G/slot capacity service–enabling carrier IP/MPLS core and edge networks worldwide. This proven portfolio leverages state of the art silicon and software technologies, delivering uncompromising routing performance, unparalleled QoS capabilities, comprehensive high availability support, ATM/Frame transport and an integrated core and edge feature set. With a fully upgradeable modular switch fabric, the Cisco 12000 Series provides the industry\'s only proven investment protection and lowest total cost of ownership.

• IP/MPLS Core (long-haul and regional)
• Peering
• Optical Private Line Aggregation (OC-48 to DS0)
• ATM/Frame Relay transport services (ATM or Frame Relay transport over IP/MPLS core)

• Up to 1.28 Terabits per second switching fabric capacity and up to an aggregate 750 Mpps forwarding performance
• First modular distributed system architecture
• Only routing system that scales from 2.5Gbps/slot to 40G/slot capacity without a forklift upgrade
• Range of fully-distributed, NEBS-compliant chassis: 4-slot, 6-slot, 10-slot and 16-slot
• Industry-leading high availability–Zero packet loss with Cisco NSF & SSO technology
• Integrated core and high-end edge functionality with ASIC based forwarding and services
• Industry\'s most proven and comprehensive IPv4 & IPv6 feature set
• Sophisticated granular QoS mechanisms
• Comprehensive optical internetworking portfolio with POS, GbE, DPT/RPR
• Innovative Adaptive Network Processing powers a wide range of interfaces including POS, Channelized, DPT/RPR, Ethernet and ATM