Cisco ASR 1000 ASR1001X-2.5G-K9 Cisco ASR 1000 / 5000 series router
Brand: Cisco | Category: Network Equipment
SKU: CSC-ASR1001X-25G-K9 | Part #: ASR1001X-2.5G-K9 | MPN: ASR1001X-2.5G-K9
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About the Cisco ASR 1000 ASR1001X-2.5G-K9 Cisco ASR 1000 / 5000 series router
The Cisco ASR 1000 ASR1001X-2.5G-K9 delivers enterprise-grade QoS, traffic shaping, BGP/OSPF routing, and app-aware routing capabilities in a compact 1RU fixed-chassis design. This router combines the Cisco QuantumFlow Processor with an Embedded Services Processor to handle demanding WAN and branch-office deployments with hardware-accelerated security and intelligent traffic management. Network engineers seeking a scalable, field-proven platform will find the ASR 1001-X ideal for organizations requiring both performance and operational resilience.
Built on Cisco IOS XE, the ASR1001X-2.5G-K9 provides 2.5 Gbps licensed throughput that is upgradeable via software license to 5G, 10G, or 20G, allowing your investment to grow with demand. The system includes 6 x 1GE SFP ports and 2 x 10GE SFP+ ports for flexible connectivity, alongside 8 GB of DRAM and 8 GB internal flash for robust routing operations. Advanced features include In-Service Software Upgrade (ISSU) capability, redundant dual AC or DC power supplies, Zone-Based Firewall, Control Plane Policing, and hardware-accelerated IPsec encryption. Support for MPLS, GRE, IPsec, PPPoE, HDLC, and Frame Relay protocols ensures seamless integration into diverse network environments. Programmability via NETCONF/YANG, RESTCONF, model-driven telemetry, and the Embedded Event Manager enable automation and real-time monitoring for modern infrastructure teams.
Key Specifications
- Manufacturer Part Number: ASR1001X-2.5G-K9
- Product Series: Cisco ASR 1000
- Form Factor: 1RU fixed-chassis
- System Throughput (Licensed): 2.5 Gbps (upgradeable via software license to 5G, 10G, 20G)
- Forwarding Architecture: Cisco QuantumFlow Processor (QFP) with Embedded Services Processor
- Operating System: Cisco IOS XE
- Built-in Ports: 6 x 1GE SFP, 2 x 10GE SFP+, 1 x 10/100/1000 Management Ethernet (RJ-45)
- Memory: 8 GB DRAM; 8 GB internal flash
- Power Supply: Dual AC or DC power supply options (field-replaceable)
Technical Specifications
| Brand | Cisco |
| Category | Network Equipment |
| SKU | CSC-ASR1001X-25G-K9 |
| Part Number | ASR1001X-2.5G-K9 |
| Condition | New |
| Form Factor | 1U |
| Interface | 2.5GbE |
| Manufacturer Part Number | ASR1001X-2.5G-K9 |
| Product Series | Cisco ASR 1000 |
| Product Model | ASR 1001-X |
| Form Factor | 1RU fixed-chassis |
| System Throughput (Licensed) | 2.5 Gbps (upgradeable via software license to 5G, 10G, 20G) |
| Forwarding Architecture | Cisco QuantumFlow Processor (QFP) with Embedded Services Processor |
| Operating System | Cisco IOS XE |
| Built-in GigabitEthernet SFP Ports | 6 x 1GE SFP |
| Built-in 10GigabitEthernet SFP+ Ports | 2 x 10GE SFP+ |
| Management Port | 1 x 10/100/1000 Management Ethernet (RJ-45) |
| Console/Auxiliary Ports | 1 x RJ-45 Console, 1 x USB Console |
| USB Port | 1 x USB 2.0 (Type A) |
| Power Supply | Dual AC or DC power supply options (field-replaceable) |
| DRAM | 8 GB |
| Flash Storage | 8 GB internal flash |
| Supported WAN Protocols | MPLS, GRE, IPsec, PPPoE, HDLC, Frame Relay (via IOS XE) |
| High Availability Features | In-Service Software Upgrade (ISSU), redundant power |
| Programmability | NETCONF/YANG, RESTCONF, model-driven telemetry, Embedded Event Manager |
| Security Features | Hardware-accelerated IPsec, Zone-Based Firewall, Control Plane Policing (CoPP) |
| Regulatory Compliance | CE, FCC Class A, UL, RoHS |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Dimensions (H x W x D) | 1.73 in x 17.3 in x 18 in (1RU) |
Frequently Asked Questions about Cisco ASR 1000 ASR1001X-2.5G-K9 Cisco ASR 1000 / 5000 series router
What does the Cisco ASR 1000 ASR1001X-2.5G-K9 Cisco ASR 1000 / 5000 series router do?
The Cisco ASR 1000 ASR1001X-2.5G-K9 Cisco ASR 1000 / 5000 series router is enterprise networking hardware for data-center, campus, and branch deployments. Common roles include core/distribution switching, server uplinks, top-of-rack fabric, and edge connectivity in mixed Cisco/Juniper/Arista environments.
Is the Cisco ASR 1000 ASR1001X-2.5G-K9 Cisco ASR 1000 / 5000 series router compatible with my infrastructure?
The Cisco ASR 1000 ASR1001X-2.5G-K9 Cisco ASR 1000 / 5000 series router interoperates with standard switching protocols (LACP, MLAG/VPC, 802.1Q, OSPF/BGP). For specific cross-vendor scenarios — Cisco-to-Arista MLAG peering, fabric integration with Cumulus/SONiC, or migration from legacy Catalyst — our network engineers map a compatibility plan as part of the RFQ.