SPA Interface Processor 40

Key Features and Benefits:

• Quality of Service (QoS)
  Provides ingress and egress buffering and the ability to classify traffic based on Layer 2 or Layer 3 header information for oversubscription management.
• Clocking distribution
  Provides Stratum-3 clock reference and recovers line clock for distribution to SPAs.
• Online Insertion and Removal (OIR)
  Increases availability and provides operational ease of use.
• Software high availability
  Provides ability to upgrade and downgrade individual SPA drivers without operationally affecting other SPAs within the same SIP or same chassis.
• Modularity
  Allows reuse of SPAs across the Cisco router portfolios and provides high-density aggregation, with a combination of interface types and the capability to invest as business needs grow.