A9K-4T-B 4-Port 10GE Medium Queue Line Card, requires XFPs

Cisco A9K-4T-B - 4-Port 10GE Line Card (Base)

The Cisco A9K-4T-B is a 4-port 10 Gigabit Ethernet line card for ASR 9000 Series routers, designed for cost-effective service edge deployments. With four XFP-based 10GE interfaces and base-level queueing, it’s ideal for environments that require reliable throughput without advanced traffic shaping.

🔧 Key Features

• Port Configuration: 4x 10GE XFP interfaces
• Queue Type: Base (B) for standard traffic profiles
• Service Support: MPLS, Layer 2/3 VPNs, Carrier Ethernet
• Performance: Hardware-based forwarding with consistent throughput
• Power Efficiency: Optimized for low-power deployments

🧩 Ideal Use Cases

• Enterprise edge routing
• Metro Ethernet access
• Cost-sensitive service provider deployments
• Environments with predictable traffic patterns

⚙️ Compatibility
Fully compatible with Cisco ASR 9000 Series chassis and IOS XR software. Supports a range of XFP optics for flexible deployment.