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Cisco

Cisco C9800-40-K9 | Catalyst 9800-40 Wireless Controller | Gigabit/10GbE interfaces, HA SSO, Lic: DNA Essentials/Advantage

SKU:C9800-40-K9

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Description

Mid-scale wireless LAN controller on IOS XE that unifies policy, automation, and security across campus and branch WLANs. Delivers always-on resiliency with SSO, rich telemetry, and seamless mobility for 802.11ax (Wi‑Fi 6) access points. Designed for flexible Gigabit/10GbE connectivity and integration with network automation platforms.

Features

- Unified wireless policy and automation on IOS XE
- Resilient, always-on WLAN with SSO and N+1 options
- Comprehensive security including WPA3 and identity-based policies
- Flexible Gigabit/10GbE connectivity for diverse topologies
- Analytics and assurance with streaming telemetry

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: What license tier is recommended?
A: Choose DNA Essentials for baseline features or DNA Advantage for advanced policy/automation; pair with Network Essentials/Advantage.

Q: Does it support HA SSO?
A: Yes, it supports SSO for sub-second failover and hitless upgrades.

Q: Is Wi‑Fi 6E supported?
A: Yes with compatible 6E access points and appropriate software releases.

Q: Can it integrate with automation platforms?
A: Yes, it integrates with DNA Center and supports model-driven telemetry.

Technical Specifications

- Platform: IOS XE wireless LAN controller
- Interfaces: Multiple Gigabit/10GbE data interfaces (model-dependent)
- HA/Resiliency: Stateful switchover (SSO), N+1 redundancy, hitless upgrades
- AP support: 802.11a/b/g/n/ac/ax (Wi‑Fi 6); 6E with compatible APs/software
- Security: WPA2/WPA3, 802.1X, AAA integration, rogue detection
- Policy/Segmentation: Role-based policies; SGT/TrustSec capable
- Automation: DNA Center integration, streaming telemetry/analytics
- Licensing: Smart Licensing; DNA Essentials or DNA Advantage
- Form factor: Rack-mountable for campus/data center deployments

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