United States$5,000,000+
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Darren Price
5
High availability setup worked seamlessly.
AIR-CT5508-HA-K9
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5508 SERIES WL CONTROLLER FOR HIGH AVAILABILITY
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Name:
AIR-CT5508-HA-K9
- Description:
- 5508 SERIES WL CONTROLLER FOR HIGH AVAILABILITY
- Rating:
Added to cart 28 times recently
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In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 5054629455470
- Condition:
- Warranty:
- 3
- List Price:
$22,256.28
- Price:
$9,792.7756% off
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1
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AIR-CT5508-HA-K9 Overview
Overview of AIR-CT5508-HA-K9
AIR-CT5508-HA-K9 is a high-performance wireless access point engineered for seamless indoor connectivity. It operates across dual frequency bands—2.4GHz and 5GHz—and adheres to the Wi‑Fi 5 (802.11ac) standard, delivering data rates of up to 1Gbps. Advanced connectivity features such as MU-MIMO and beamforming ensure reliable, high-speed data transmission and efficient handling of multiple simultaneous users.
This robust device features an integrated omnidirectional antenna that provides consistent signal coverage across extensive indoor environments. Designed for versatile deployments, the AIR-CT5508-HA-K9 supports ceiling mounting and PoE power options, making it ideal for busy offices, educational facilities, and public venues that require secure, scalable wireless networking with WPA2/WPA3 encryption.
AIR-CT5508-HA-K9 price is $9,792.77, a 56% saving from the Cisco list price of $22,256.28. AIR-CT5508-HA-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for AIR-CT5508-HA-K9 for additional pricing. Browse the full Wlan Controller: 5500 Series series or explore all Cisco products.
AIR-CT5508-HA-K9 Specifications
- Product Type
- Wireless Product
- Wireless Type
- Access Point
- Wi-Fi Standard
- Wi‑Fi 5
- Frequency Bands
- 2.4GHz/5GHz
- Data Rate
- 1Gbps
- Max Range
- N/A
- Coverage Area
- N/A
- Connector Type
- RJ-45
- Antenna Type
- Omnidirectional
- Antenna Gain
- N/A
- MIMO Technology
- MU-MIMO
- Beamforming
- Yes
- Mounting Options
- Ceiling Mount
- Power Supply
- PoE
- Mesh Networking
- No
- Ethernet Port
- 1x Gigabit
- Max Number of Devices Supported
- N/A
- Protocols Supported
- 802.11a/b/g/n/ac
- Management Features
- Cloud Management
- Security Features
- WPA2/WPA3/802.1X
- Compliance
- FCC/CE/RoHS
- Processor
- N/A
- Memory
- N/A
- Outdoor Use
- No
- Product Name
- AIR-CT5508-HA-K9
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
AIR-CT5508-HA-K9 Use Case
Enterprise Campus Network with Zero Downtime
In a multi-building corporate campus, uninterrupted connectivity is mission-critical. Deploying the AIR-CT5508-HA-K9-5508 Series WL Controller for High Availability pairs two controllers in active/standby mode, ensuring seamless failover during maintenance or unexpected hardware faults. Benefits include 99.999% uptime, centralized policy enforcement, and automated session preservation—delivering continuous network access for 10,000+ users and safeguarding productivity.
Healthcare Facility with Secure, Always-On Wireless
A large hospital requires constant, secure Wi-Fi for medical devices, electronic health records, and guest access. The AIR-CT5508-HA-K9-5508 Series WL Controller for High Availability provides redundant controllers across data centers, enabling stateful synchronization of security policies and client sessions. Outcomes include zero packet loss during failover, HIPAA-compliant data encryption, and 24/7 network resilience—protecting patient care and regulatory compliance.
Retail Chain Multi-Site Guest Experience
A nationwide retail chain needs consistent, high-performance guest Wi-Fi across 200 stores. By implementing the AIR-CT5508-HA-K9-5508 Series WL Controller for High Availability in a clustered configuration, IT teams achieve centralized SSID management, seamless AP provisioning, and instant controller redundancy. This yields a uniform customer experience, real-time analytics, and 100% service continuity during controller upgrades or failures—boosting in-store engagement and sales.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| AIR-CT5508-HA-K9 |  AIR-CT5520-50-K9 |  AIR-CT5508-500-2PK |  AIR-CT5508FIPSKIT= |  AIR-PSU-BLKP1U | |
|---|---|---|---|---|---|
| Product Type | Wireless Product | Wireless Controller | Wireless Access Point | Wireless Product | Wireless Access Point |
| Wireless Type | Access Point | N/A | Access Point | Access Point | Access Point |
| Wi-Fi Standard | Wi‑Fi 5 | 802.11ac | Wi-Fi 6 | Wi-Fi 6 | Wi-Fi 6 |
| Frequency Bands | 2.4GHz/5GHz | 2.4GHz / 5GHz | 2.4GHz / 5GHz | 2.4GHz / 5GHz | 2.4GHz / 5GHz |
| Data Rate | 1Gbps | N/A | 500Mbps | 1Gbps | 1Gbps |
| Max Range | N/A | N/A | 150 feet | N/A | 120 meters |
| Coverage Area | N/A | N/A | 1500 square feet | N/A | 2000 square feet |
| Connector Type | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| Antenna Type | Omnidirectional | N/A | Omnidirectional | Omnidirectional | Omnidirectional |
| Antenna Gain | N/A | N/A | 5dBi | 5dBi | 5dBi |
| MIMO Technology | MU-MIMO | N/A | MU-MIMO | MU-MIMO | MU-MIMO |
| Beamforming | Yes | N/A | Yes | Yes | Yes |
| Mounting Options | Ceiling Mount | Rack Mount / Desktop | Outdoor Mount | Ceiling Mount / Wall Mount | Ceiling Mount / Wall Mount |
| Power Supply | PoE | AC Adapter | PoE | PoE | PoE |
| Mesh Networking | No | No | Yes | Yes | No |
| Ethernet Port | 1x Gigabit | 2x Gigabit | 1x Gigabit | 1x Gigabit | 1x Gigabit |
| Max Number of Devices Supported | N/A | 50 | N/A | N/A | 50 |
| Protocols Supported | 802.11a/b/g/n/ac | 802.11a/b/g/n/ac | 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac/ax |
| Management Features | Cloud Management | On-Premises, SNMP | Cloud Management | Cloud Management | Cloud Management / SNMP |
| Security Features | WPA2/WPA3/802.1X | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 / 802.1X |
| Compliance | FCC/CE/RoHS | FCC / CE / RoHS | FCC / CE / RoHS | FCC / CE / RoHS | FCC / CE / RoHS |
| Processor | N/A | N/A | N/A | N/A | Dual-core 1.2GHz |
| Memory | N/A | N/A | N/A | N/A | 1GB |
| Outdoor Use | No | No | Yes | No | No |
| Product Name | AIR-CT5508-HA-K9 | AIR-CT5520-50-K9 | AIR-CT5508-500-2PK | AIR-CT5508FIPSKIT= | AIR-PSU-BLKP1U Wireless Access Point |
| Height | N/A | N/A | N/A | N/A | 2 inches |
| Width | N/A | N/A | N/A | N/A | 8 inches |
| Depth | N/A | N/A | N/A | N/A | 8 inches |
| Weight | N/A | N/A | N/A | N/A | 1.5 lbs |
| Wi‑Fi Standard |
Reviews & Ratings
S
Saira Mahmood
5
Failover testing was successful.
J
Jonas Richter
5
Improved WLAN resilience significantly.
K
Kashif Mehmood
4
Excellent redundancy option.
H
Helen Brooks
4
Peace of mind for production networks.
Questions & Answers
What is the Cisco AIR-CT5508-HA-K9 Wireless LAN Controller?
The AIR-CT5508-HA-K9 is a Cisco 5508 Series Wireless LAN Controller designed for high availability, enabling seamless failover and centralized management of enterprise Wi-Fi networks.
How does high availability work on the 5508 Series controller?
High availability on the 5508 Series uses an active/standby pair with stateful synchronization, ensuring continuous operation and automatic failover without session loss.
What is the maximum number of access points supported?
Each 5508 Series controller supports up to 500 lightweight access points when deployed in a high-availability configuration, ensuring scalable wireless coverage.
How many clients can the 5508 HA controller manage?
The 5508 HA controller supports up to 7,000 client sessions, delivering robust connectivity for large-scale enterprise environments.
What network interfaces are available on the AIR-CT5508-HA-K9?
It offers eight Gigabit Ethernet ports, two SFP uplinks, and a dedicated management port to separate control and data plane traffic for optimal performance.
Which power options does the 5508 HA controller support?
The controller includes dual hot-swappable AC power supplies and supports an optional DC power module, maintaining uptime during power-supply maintenance.
How is licensing handled on the 5508 Series HA controller?
Licensing is modular and perpetual, based on access point capacity. Licenses are synchronized across the HA pair for consistent feature enablement.
What security features are included?
Built-in security features include rogue access point detection, intrusion prevention, RF spectrum analysis, and integration with Cisco ISE for centralized policy enforcement.
How is the controller deployed in an enterprise network?
Deploy the primary and secondary units in the same data center or rack, connect synchronizing links, then configure HA using the CLI or GUI for automated failover.
Can the 5508 HA controller integrate with existing Cisco infrastructure?
Yes. It seamlessly integrates with Cisco Catalyst switches, routers, and Cisco DNA Center, enabling unified access, policy management, and network automation.
How do I monitor and manage the 5508 HA controller?
Manage via Cisco Prime Infrastructure, Cisco DNA Center, or the built-in web GUI. Real-time dashboards, alerts, and logs enable proactive network monitoring.
What wireless standards does the 5508 Series support?
It supports IEEE 802.11a/b/g/n/ac Wave 1, delivering dual-band performance with optimized channel usage and up to 1.3 Gbps per AP.
What environmental conditions are required for optimal operation?
Operating temperature: 0° to 40°C (32° to 104°F); humidity: 10% to 95% non-condensing. Rack-mountable design fits standard 19-inch cabinets.
What is the warranty and support coverage?
Includes a limited lifetime hardware warranty and 90 days of Cisco TAC software support. Optional SMARTnet provides 24×7 support and hardware replacement.
How do I upgrade from a standalone 5508 to an HA configuration?
Order the HA SKU, install the secondary unit, replicate the primary’s configuration file, enable HA in the GUI or CLI, and verify synchronization.
What differentiates AIR-CT5508-HA-K9 from AIR-CT5508-K9?
The AIR-CT5508-HA-K9 includes high-availability features and dual power supplies for seamless failover, whereas the AIR-CT5508-K9 is a single-controller solution without HA.