The Cisco 12000 Series Ten-Port Gigabit Ethernet (10-Port GE) Line Card provides 10 dedicated, Gigabit Ethernet ports per card with Cisco 12000 Series distributed system architecture and industry-leading quality-of-service (QoS) and class-of-service (CoS) features. It delivers network scalability and performance, while helping providers maintain customer service-level agreements (SLAs). When deployed in Cisco 12400 Internet routers such as the Cisco 12406 and Cisco 12404, the line card enables service providers to offer high-density, high-bandwidth solutions from within space-constrained locations.