A901-4C-F-D Cisco ASR 901 Router PAYG 4 GE Port

Overview of the Cisco ASR 901-4C-F-D Router

The Cisco A901-4C-F-D ASR 901 Router PAYG 4 GE Port is designed for high-performance networking and reliable aggregation services. Built to deliver efficient routing with flexible deployment, this router is ideal for modern enterprise and service provider environments.

General Information

• Brand: Cisco
• Model Number: A901-4C-F-D

Technical Specifications

• Product Series: ASR 901
• Model: ASR 901-4C-F-D
• Product Name: ASR 901 Series Aggregation Services Router Chassis

Ports and Interfaces

• Total Ports: 8
• Management Port: Yes
• Network Ports (RJ-45): 8
• Token Ring Port: No
• Serial V.35 Interface: No

Expansion Capabilities

• Expansion Slots: 8
• Slot Type: SFP (mini-GBIC)

Network and Communication

• Network Technology: 10/100/1000Base-T
• Ethernet Technology: Gigabit Ethernet

Security Features

• RADIUS
• TACACS+
• Secure Shell v.2 (SSH2)
• Layer 3 ACLs

Memory

• Standard Memory: 512 MB
• Memory Technology: DDR3 SDRAM
• Flash Memory: 128 MB

Power Features

• PoE (RJ-45) Port: No
• Redundant Power Supply: Supported

Compatibility

• Works seamlessly with other ASR 901 series routers
• Compatible with Cisco network management software and tools
• Supports integration with existing enterprise network infrastructure
• Interoperable with Gigabit Ethernet switches and SFP modules
• Ideal for service provider networks requiring PAYG routing capabilities

The Cisco A901-4C-F-D ASR 901 Router PAYG 4 GE Port

The Cisco A901-4C-F-D ASR 901 Router is a cutting-edge network device designed for service providers and enterprise networks that require high-speed, reliable, and scalable routing solutions. Equipped with four Gigabit Ethernet (GE) ports, this router supports PAYG (Pay-As-You-Go) deployment models, allowing for flexible network expansion without upfront capital expenditure. Its compact design and robust architecture make it ideal for edge routing, metro aggregation, and small to medium-sized enterprise networks.

Advanced Architecture

The ASR 901 router leverages Cisco’s proven IOS XR operating system, ensuring high availability, secure connectivity, and advanced traffic management capabilities. The modular architecture allows for simplified maintenance and upgrades, supporting various network applications such as VoIP, IP VPN, video streaming, and cloud services. Its hardware design integrates multiple high-performance processors, memory, and network interface controllers, ensuring seamless packet forwarding and minimal latency even under heavy traffic conditions.

Performance and Reliability of Cisco ASR 901

The Cisco ASR 901 router delivers exceptional performance with line-rate forwarding on all four GE ports. It supports simultaneous multi-service traffic without bottlenecks, enabling efficient handling of voice, video, and data streams. Its hardware-based forwarding ensures minimal latency and jitter, which is crucial for time-sensitive applications like video conferencing and online gaming. Network administrators can rely on consistent throughput and low packet loss even during peak usage periods.

Redundancy and Resiliency

Reliability is a core attribute of the ASR 901 router. With redundant power supply options and hardware failover mechanisms, this router minimizes downtime and ensures continuous service delivery. The router supports seamless software upgrades and hot-swappable components, allowing network operators to perform maintenance without disrupting active services. Its robust error detection and correction capabilities further enhance network resilience.

Scalable Network

Designed for growing networks, the Cisco A901-4C-F-D ASR 901 supports scalable deployment with additional modules and interface cards. Service providers can expand network capacity without replacing existing hardware, optimizing both cost and efficiency. The router’s flexible interface options allow integration with legacy systems and modern network infrastructure, ensuring long-term investment protection.

Comprehensive Security

Security is a critical aspect of the ASR 901 router. It includes advanced features such as VPN tunneling, secure boot, encrypted storage, and integrated firewall capabilities. Network traffic can be segmented and protected using role-based access control (RBAC), preventing unauthorized access and maintaining compliance with industry regulations. The router also supports dynamic threat detection and mitigation, safeguarding enterprise and service provider networks against attacks.

Enhanced Quality of Service (QoS)

The ASR 901 router includes advanced QoS mechanisms to prioritize critical traffic such as voice and video over regular data. Network operators can define custom policies, limit bandwidth for non-essential applications, and ensure optimal performance for mission-critical services. QoS features also support traffic shaping, congestion avoidance, and service-level agreement (SLA) compliance, making it ideal for service providers who require predictable network behavior.

Deployment Scenarios for Cisco A901-4C-F-D ASR 901

The ASR 901 is perfectly suited for enterprise edge deployments, connecting branch offices to central data centers or cloud environments. Its multi-service capabilities allow enterprises to consolidate routing, security, and WAN optimization in a single device, reducing operational costs and simplifying infrastructure.

Service Provider Access Networks

For service providers, the ASR 901 router supports metro aggregation, broadband access, and business VPN services. Its PAYG model allows operators to scale capacity based on subscriber demand, optimizing network investment while maintaining high service quality. Advanced traffic engineering and MPLS support enable efficient bandwidth allocation across multiple customers.

Advantages Cisco A901-4C-F-D ASR 901

The licensing model ensures that businesses and service providers only pay for what they use. This approach reduces upfront investment and aligns operational costs with actual network usage. It is particularly beneficial for startups, small enterprises, or seasonal demand scenarios where scalable networking is required.

Future-Proof Technology

With support for emerging networking standards and modular hardware design, the Cisco ASR 901 offers long-term investment protection. Its flexibility allows network upgrades without hardware replacement, adapting to evolving business needs and technological advancements.

Reliability and High Availability

Cisco’s proven IOS XR software and redundant hardware components ensure continuous uptime, mission-critical for enterprise operations. Network operators can trust the ASR 901 for uninterrupted service delivery, even under heavy traffic loads or in disaster recovery scenarios.

Enhanced Network Performance

The combination of four GE ports, hardware-based forwarding, and advanced QoS mechanisms ensures optimal performance for all applications. From high-bandwidth video conferencing to latency-sensitive VoIP services, the ASR 901 delivers consistent and reliable network experience for users.