 
            The Cisco C9800-40-K9 Catalyst 9800 plays a pivotal role in managing networks.
 
            


| Model | C9800-40-K9 | 
| Maximum number of access points | Up to 2000 | 
| aximum number of clients | 32,000 | 
| Maximum throughput | Up to 40 Gbps | 
| Maximum WLANs | 4096 | 
| Maximum VLANs | 4096 | 
| Interfaces | 4x 10 GE/1 GE SFP+/SFP | 
| Form factor | 1RU | 
| License | Smart License enabled | 
| Operating system | Cisco IOS XE | 
| Access points | Aironet 802.11ac Wave 1 and Wave 2 access points | 
| Dimension (W × D × H) | 17.3 inches × 19.5 inches × 1.72 inches (43.94 cm × 49.53 cm × 4.37 cm) | 
| Weight | 22.8 lb (10.34 kg) | 
The enterprise network lies at the heart of digital transformation. A network that is open, programmable, integrated, and secure maximizes business agility, allowing new business opportunities to be pursued and captured.
The Cisco Networking Cloud with Software-Defined Access (SD-Access) is the network fabric that powers business. Cisco SD-Access is an open and extensible, software-driven architecture that accelerates and simplifies your enterprise network operations. SD-Access enables policy-based automation from edge to cloud with foundational capabilities.











For common issues, check connections, verify configurations, update firmware.
Available accessories for the Cisco C9800-40-K9 include power supply units, mounting kits, and additional licenses for scaling up.
Yes, to maintain optimal performance and security, regular software updates are recommended for the Cisco C9800-40-K9 Wireless Controller.
