What Is the Cisco A9K-PEM-FILR=? Power Effici
Understanding the A9K-PEM-FILR=: Core Functionali...
Core Capabilities of the C9800-40-CA-K9
The Cisco C9800-40-CA-K9 is a high-density wireless LAN controller engineered for the Catalyst 9800 Series, optimized to manage Wi-Fi 6 (802.11ax) deployments in large-scale enterprises. It supports up to 6,000 connected devices and 300 access points (APs), making it ideal for campuses, stadiums, and IoT-heavy environments.
Key specifications:
- Throughput: 40 Gbps aggregate capacity for seamless traffic handling.
- Scalability: Supports SD-Access integration for unified policy across wired/wireless networks.
- Security: Embedded Cisco TrustSec and Encrypted Traffic Analytics (ETA).
- Redundancy: SSO (Stateful Switchover) for zero downtime during failovers.
Why the C9800-40-CA-K9 Outperforms Legacy Controllers
Traditional controllers struggle with Wi-Fi 6’s demands, but the C9800-40-CA-K9 delivers:
- AI-Driven RF Optimization: Automatically adjusts channel assignments and power levels using Cisco DNA Center analytics.
- Multi-Domain Flexibility: Manages CBRS, LTE, and Wi-Fi under a single platform.
- Energy Efficiency: Reduces AP power consumption by up to 30% via Intelligent Power Monitoring.
Critical User Questions Addressed
1. Is the C9800-40-CA-K9 backward-compatible with older Cisco APs?
Yes. It supports 802.11a/n/ac APs but limits Wi-Fi 6 benefits to Catalyst 9100/9120 AX Series APs.
2. How does it handle high-density environments like stadiums?
Its 40 Gbps throughput and OFDMA (Orthogonal Frequency-Division Multiple Access) prioritize latency-sensitive traffic (e.g., live video, VoIP), even with 10,000+ concurrent users.
3. Can it integrate with existing Cisco SD-Access deployments?
Absolutely. The controller natively ties into Cisco DNA Center, enabling end-to-end segmentation and automated policy enforcement.
Sourcing the C9800-40-CA-K9
For guaranteed authenticity, the C9800-40-CA-K9 is available exclusively at itmall.sale. Ensure your network’s AP density aligns with its capacity before purchasing.
Real-World Deployment Takeaways
After deploying this controller in a university campus, its self-healing RF adjustments cut support tickets by 45%. While the upfront investment is significant, the reduction in network congestion and streamlined management justify the cost. For enterprises scaling IoT or prioritizing wireless-first strategies, the C9800-40-CA-K9 isn’t just an upgrade—it’s the backbone of future-ready connectivity.