Full English Description for Cisco ASR 9001-S
1. Official Short Order Description (Datasheet Standard Format)
ASR 9001-S: Cisco ASR 9000 Series Entry-Level Compact 2RU Nonblocking Provider Edge Router powered by integrated single-chip Route Switch Processor (RSP), scalable nonblocking full-duplex fabric capacity starting at 60 Gbps upgradable via software license to 120 Gbps, base 8GB DDR ECC memory (fixed, non-upgradable), 8GB industrial eUSB bootflash storage, licensed fixed 4×10GE SFP+ built-in ports (2 active by default, 2 unlockable via port license), 1 hot-swappable Modular Port Adapter (MPA) expansion slot supporting 1G/10G/40G fiber MPAs, integrated GPS Stratum 1 grandmaster timing + BITS synchronous clock interface, dual hot-swappable redundant AC/DC power supplies and single OIR fan tray, modular carrier-grade Cisco IOS XR operating system with full MPLS L2/L3VPN, Segment Routing, EVPN, mobile backhaul transport, hardware MACsec/IPsec acceleration and H-QoS multi-service support, optimized for small service provider POP PE, 4G/5G compact mobile edge aggregation, low-scale broadband BRAS termination and cost-effective metro Ethernet aggregation deploymentsCisco.
2. Complete Detailed Product Overview
Product Line Positioning
Cisco ASR 9001-S is the cost-optimized entry 2RU model within the ASR 9000 IOS XR carrier router portfolio, positioned below the full-capacity ASR 9001. It shares identical IOS XR software feature parity with all ASR 9000 chassis but cuts hardware cost via reduced baseline throughput, fixed non-upgradable 8GB memory and only one MPA expansion slot (vs two MPAs on ASR 9001). Designed for budget-sensitive edge aggregation sites that require carrier-grade reliability, synchronous mobile transport timing and flexible fiber port expansion without the full scale of the flagship ASR 9001 chassis. It targets small POP multi-tenant PE, compact cell-site mobile aggregation and metro Ethernet access where maximum route table scale and massive VPN termination are not requiredCisco.
Fixed Native Front-Panel Ethernet Ports (License-Activated)
All ports support SyncE, IEEE 1588v2 PTP, hardware MACsec encryption, H-QoS offload and full CEF service-edge NP processing:
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Total 4 × 10GE SFP+ fixed ports: 2 ports enabled out of factory, additional 2 ports activated by purchasing a port license
All SFP+ slots accept copper or fiber transceivers for flexible metro and core uplink connectivityCisco.
Single Hot-Swap MPA Modular Expansion Slot (OIR Supported)
One independent field-replaceable MPA bay for pay-as-you-grow high-density fiber port expansion, compatible standard ASR 9000 MPA portfolio:
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MPA-4×1GE: 4-port Gigabit SFP branch access aggregation
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MPA-2×10GE / MPA-4×10GE: High-density 10G fiber uplink modules
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MPA-1×40GE: Single 40G QSFP uplink for medium-capacity aggregation
All MPA ports inherit full distributed NP offload for NAT, firewall, AVC DPI and multicast replicationCisco.
Integrated Multi-Standard Precision Timing Subsystem (Mobile Transport Critical)
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1 × GPS GNSS input port for Stratum 1 grandmaster clock generation
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1 × BITS RJ45 timing port compliant with GR-1244-CORE Stratum 3 carrier synchronization
Native full support for SyncE, IEEE 1588v2 PTP telecom profiles, ToD and 1PPS pulse signals to eliminate clock drift for synchronous 4G/5G fronthaul/backhaul transport networksCisco.
Management & Auxiliary Interfaces
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1×10/100/1000BASE-T RJ45 isolated out-of-band management Ethernet port
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Dual console access: RJ45 serial console + Mini-USB Type B local configuration port
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2×USB 2.0 Type-A host ports for license upload, offline config backup and IOS XR firmware transfer
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Front-panel multi-color LED array monitoring RSP health, MPA link status, power supply, fan tray, timing lock and minor/major critical fault alarmsCisco.
Processor, Memory & Storage
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Integrated Fixed RSP Route Switch Processor (Single FRU)
Quad-core x86 CPU with dual embedded service-edge network processors for wire-speed distributed service offload across all fixed and MPA ports. Fabric capacity tiered via software license: base 60 Gbps, upgradeable to maximum 120 Gbps full-duplex nonblocking IMIX throughput. Embedded dedicated crypto co-processor delivers hardware MACsec and IPsec VPN acceleration.
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Fixed factory memory: 8GB ECC DDR RAM (no field memory upgrade option), suitable for medium-scale BGP route reflectors and thousands of concurrent mobile transport pseudowiresCisco.
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Boot Storage: 8GB rugged industrial eUSB bootflash for IOS XR modular images, crash dumps, NVRAM and persistent system logging; no internal HDD/SSD mass storage tray supported.
Power, Mechanical & Environmental Specifications
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Form Factor: Standard 2RU 19-inch four-post rack-mount chassis
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Physical Dimensions: 88.2mm H × 442mm W × 470mm D (3.47 × 17.42 × 18.5 in)
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Weight: 13.7kg empty chassis; fully loaded with MPA modules ~16.5kg
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Cooling: Single hot-swappable OIR fan tray with side-to-side airflow, zero-downtime fan replacement without chassis power down
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Power Supply Architecture: Dual hot-swappable wide-range AC/DC/HVDC power supplies (1+1 carrier-grade N+1 HA redundancy); typical power draw 375W, maximum 425W
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Operating Temperature: 0°C ~ +40°C continuous indoor central office / equipment room operation
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Storage Temperature: -40°C ~ +70°C
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Humidity: 10%–90% RH non-condensing operating humidity
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Compliance: UL 62368-1, IEC 60950-1, NEBS GR-1089 / GR-63, FCC Class A, CE certified for carrier central office and enterprise edge deploymentCisco.
Official Performance Benchmarks
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Scalable aggregate IMIX forwarding throughput: 60 Gbps base, up to 120 Gbps full performance license
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Hardware-accelerated IMIX IPsec/MACsec total throughput: Up to 12 Gbps
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Maximum concurrent EVPN/VPLS L2VPN service instances: Up to 5,000 with 8GB fixed memory
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Concurrent stateful firewall sessions: Up to 1 million sessions
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Full hardware offload support for NBAR2 AVC deep packet inspection, hierarchical MQC H-QoS, large-scale CGNAT address translation and multicast replication.
Software & Core Supported Capabilities (Modular Cisco IOS XR)
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Carrier-Grade Routing & Complete MPLS Suite
Full IPv4/IPv6 dual-stack forwarding, BGP, OSPF, EIGRP, IS-IS, Segment Routing, BFD sub-second fast convergence; complete MPLS feature stack including L3VPN, EVPN, VPLS, EoMPLS and L2TP broadband BRAS multi-subscriber termination for service provider multi-tenant transport architectures.
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4G/5G Mobile Backhaul Convergence Transport
Native SyncE / IEEE 1588v2 PTP / GPS/BITS synchronous timing stack, Carrier Ethernet service delivery, SAToP/CESoP TDM pseudowire legacy circuit migration, zero-touch provisioning compatible with Cisco NSO orchestration for mass cell-site deployment.
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Unified Integrated Carrier-Grade Security Stack
Line-rate hardware MACsec/IPsec tunnel encryption, next-generation stateful zone firewall, IDS/IPS threat inspection, advanced malware protection (AMP), large-scale CGNAT subscriber address translation, AAA RADIUS/TACACS+, TLS encrypted remote multi-tenant traffic segmentation.
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Application Visibility & Hierarchical H-QoS Management
NBAR2 full application signature classification, multi-level hierarchical MQC traffic shaping/policing, IP SLA performance monitoring, NetFlow/IPFIX streaming telemetry for centralized metro and mobile transport network capacity analytics.
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Carrier-Grade High Availability Mechanisms
NSF Nonstop Forwarding, SSO Stateful Switchover, ISSU In-Service Software Upgrade for zero-downtime firmware updates, HSRP/VRRP gateway redundancy, dual redundant power/fan trays eliminating single points of failure for unmanned remote POP and cell-site deployments.
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Multi-Tenant Automation & Programmability
CLI/SSH console access, REST API, NETCONF/YANG data models, streaming telemetry, native integration with Cisco NSO Network Services Orchestrator for mass enterprise and service provider edge device lifecycle automation.
Typical Deployment Scenarios
Cost-sensitive small service provider POP multi-tenant PE aggregation CPE, compact 4G/5G mobile regional edge backhaul gateways, low-volume broadband BRAS multi-subscriber termination nodes, medium enterprise metro Ethernet access aggregation routers, small-scale retail SD-WAN regional aggregation hubs requiring 2RU compact rack space, dual redundant power/fan hardware HA and integrated carrier-grade synchronous timing synchronization without the higher cost and larger expansion capacity of full ASR 9001.
3. E-commerce Short Marketing Description
Cisco ASR 9001-S Cost-Optimized 2RU Provider Edge Router, integrated RSP with scalable 60–120Gbps licensed fabric throughput, fixed 8GB ECC DDR memory, 8GB eUSB bootflash, license-unlockable 4×10GE SFP+ built-in ports, single hot-swappable MPA expansion slot for 1G/10G/40G fiber adapters, integrated GPS/BITS/PTP/SyncE multi-layer timing subsystem, dual redundant AC/DC power supplies and single OIR fan tray, modular Cisco IOS XR OS with full carrier-grade MPLS EVPN, mobile backhaul transport and integrated NGFW security, ideal for small service provider POP PE, compact 4G/5G mobile edge aggregation and budget metro Ethernet access deployments.
4. Product Catalog Keyword Tags
Cisco, ASR 9001-S, ASR 9000 Series, 2RU Cost-Optimized Entry Provider Edge Router, Scalable 60–120 Gbps Nonblocking Fabric Throughput, License-Activated 4×10GE SFP+ Fixed Ports, Single Hot-Swap MPA Modular Port Adapter Slot, Integrated GPS Stratum 1 + BITS/PTP/SyncE Timing, Dual Redundant AC/DC Power Supplies, OIR Hot-Swap Fan Tray, Fixed 8GB ECC DDR Memory, NEBS GR-1089 Certified, Hardware MACsec/IPsec Wire-Speed Acceleration, Cisco IOS XR Modular Operating System, Carrier-Grade MPLS L3VPN/EVPN/VPLS, 4G/5G Compact Mobile Backhaul Gateway, Small Service Provider POP PE CPE, Budget Metro Ethernet Aggregation Router, Low-Scale Broadband BRAS Node
Naming Rule Explanation
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ASR = Aggregation Services Router carrier-grade IOS XR multi-service edge aggregation platform
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9000 = High-performance IOS XR carrier core series (separated from IOS XE ASR 900 shallow cell-site transport routers)
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9001 = Standard 2RU compact chassis form factor
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S = Simplified cost-optimized entry variant (single MPA slot, fixed non-upgradable 8GB memory, lower baseline 60Gbps throughput vs full-capacity ASR 9001 with dual MPAs and expandable memory)
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