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- Highly scalable fabric
Designed to support high 1-, 10-, and 100-Gbps port densities, provides built-in scalability for investment protection.
- Control of up to seven switch fabric cards
Offers traffic load balancing simultaneously across up to seven fabrics.
- Distributed-forwarding-plane architecture
Allows line cards to support independent forwarding for enhanced performance and scale.
- Memoryless switch fabric
Provides transparent non-blocking, low-latency packet forwarding.
- Virtual output queuing and arbitration
Offers service intelligence with prioritization of traffic (unicast and multicast), provides efficient congestion-management mechanism and avoids problems related to head-of-line blocking.
- Centralized arbiter
Uses an efficient credit mechanism to help ensure transparent switchover with zero packet loss.
- IEEE 1588 support
Delivers timing services over the packet network efficiently and reliably.
- Two independent clock source connections
Offers redundant, centralized network synchronization support.
- Two 32-GB Solid-State Drives (SSDs)
Allows storing of core dumps and helps reduce the system Mean Time To Repair (MTTR).
- Embedded Universal Series Bus (eUSB) memory port
Provides access to onboard Universal Serial Bus (USB) flash-memory devices for software image storing and upgrades.
- Front-panel external USB 2.0 port
Provides access to USB flash-memory devices for quick software image loading and recovery.
- Front-panel LEDs
Provides visual indication of route-processor status (active or standby), power management, and activity on SSD.
- Management ports
Provides easy access to system console.
The Cisco ASR 9900 Route Processor is packet-transport-optimized model. It supports line cards. Different line cards can be mixed on the same chassis for greater flexibility.