Description
The Cisco A9K-MEM-UPG-8G is an 8GB Memory Upgrade specifically designed for A9K-RSP5-TR and A99-RP3-TR Route Switch Processors in the Cisco ASR 9000 Series Aggregation Services Routers. This upgrade delivers superior scale, service flexibility, and high availability, enabling support for demanding video, cloud, and mobile services with increased system capacity for features like Virtual Route Forwarding (VRF) interfaces, IPv4/IPv6 route scaling, Bidirectional Forwarding Detection (BFD) sessions, and Border Gateway Protocol (BGP) Nonstop Routing (NSR) instances.
Key Features and Benefits
- Highly scalable fabric: Designed to support high 1/10/100-Gbps port densities and provides built-in scalability for investment protection.
- Dual RSP to provide an active-active switch fabric: Offers traffic load balancing across both fabrics and highly available system where loss of one RSP allows unimpeded performance per slot.
- Distributed forwarding plane architecture: Allows line cards to support independent forwarding for enhanced performance and scale.
- Memory-less switch fabric: Ensures transparent nonblocking packet forwarding.
- Virtual output queuing and arbitration: Offers service intelligence with prioritization of traffic (unicast and multicast), efficient congestion management, and avoids head-of-line blocking.
- Centralized arbiter: Uses an efficient credit mechanism to ensure transparent switchover with zero packet loss.
- Two independent clock source connections (BITS and Synchronization Supply Unit (SSU))/DTI: Offers redundant, centralized network synchronization support.
- 40-GB hard disk drive (HDD): Allows storing of core dumps and helps reduce system mean time to repair (MTTR).
- Embedded Universal Service Bus (eUSB) memory port: Provides access to USB flash memory devices for software image loading and recovery.
- Front-panel LEDs: Provides visual indication of RSP status (active or standby), power management, and activity on Compact Flash and HDD.
- Management ports: Provides easy access to system console.
Cisco ASR 9000 Series Overview
The Cisco ASR 9000 Series Route Switch Processor (RSP) is a scalable, low-power, next-generation Carrier Ethernet platform with a system architecture designed for service providers’ convergence requirements of Layer 2 Ethernet transport plus Layer 3 services. It offers one of the industry’s highest-capacity Carrier Ethernet platforms, optimized for aggregation of dense 10 Gigabit Ethernet and 100 Gigabit Ethernet connections. Additional benefits include distributed forwarding and control planes, modularized components isolating failures, hardware-based signaling for zero packet loss on switchover, and built-in redundancy in RSP, switch fabric, control-plane chassis control bus, and power supplies.
The series operates in a fully distributed fashion with packet-forwarding on individual line cards, flexible programming for HQoS, security, SyncE, BFD, and EOAM. Powered by Cisco IOS XR Software with true modularity, protected memory for processes, and distributed route processing. Applications include L2VPN, L3VPN, IPTV, CDNs, Mobile Backhaul, Ethernet Services, IPv4/IPv6, Multicast, IPoDWDM, MPLS OAM, ACLs, H-QoS, MPLS TE-FRR, MC-LAG, IRB, NSF, and NSR.
Hardware Details
For A9K-RSP-8G (relevant to 8GB upgrade): Route switch processor with bidirectional nonblocking fabric, controller, 40-GB hard drive, including switch fabric, high-performance dual-core processors, 8-GB ECC-protected DRAM, 40-GB SAS HDD, 4-GB eUSB Flash memory, 1-GB Compact Flash external memory, timing with two RJ-45 connectors for BITS/SSU, management ports (two 10/100/1000 BASE-T RJ-45 LAN, console, auxiliary), alarms (CR, MJ, MN), LEDs (ACO, lamp test, SYNC, CF, HDD, UFAN/LFAN).
System Specifications
- Router chassis: ASR-9010-AC, ASR-9010-DC, ASR-9010-AC-V2, ASR-9010-DC-V2, ASR-9006-AC, ASR-9006-DC, ASR-9006-AC-V2, ASR-9006-DC-V2.
- Line cards: A9K-40GE-L, A9K-40GE-B, A9K-40GE-E, A9K-8T/4-L, A9K-8T/4-B, A9K-8T/4-E, A9K-4T-L, A9K-4T-B, A9K-4T-E, A9K-2T20GE-L, A9K-2T20GE-B, A9K-2T20GE-E, A9K-8T-L, A9K-8T-B, A9K-8T-E, A9K-16T/8-B, A9K-SIP-700, A9K-2x100GE-TR, A9K-2x100GE-SE, A9K-24x10GE-TR, A9K-24x10GE-SE, A9K-MOD80-TR, A9K-MOD80-SE, A9K-40GE-TR, A9K-40GE-SE, A9K-4T16GE-TR, A9K-4T16GE-SE.
- Redundancy: No single point of failure, fabric redundancy, power supply redundancy, RSP redundancy (both same version), software redundancy.
- Power supply: A9K-3KW-AC, A9K-2KW-DC, A9K-1.5KW-DC, PWR-3KW-AC-V2, PWR-2KW-DC-V2.
- Physical: Occupies one slot; dual redundant RSPs in 2 slots; Height 1.65 in. (4.19 cm), Width 16 in. (40.64 cm), Depth 26.53 in (67.38 cm), Weight 18 lb (8.16 kgs).
- Power input: AC 200–240V 50–60 Hz 16A; DC -48V to –60V -54V 50A.
- Power consumption: Typical 170W, Maximum 205W.
Availability: 10 Units In Stock for immediate dispatch. Special Offer: $97 (Save 92%). PDF Datasheet Available. Supports Cisco IOS XR Software Release 4.0.0 or later for 8G configurations.



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