United States$5,000,000+
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Alan Morris
5
High availability setup worked seamlessly.
AIR-CT2504-HA-K9
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2504 Wireless Controller for High Availability
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AIR-CT2504-HA-K9
- Description:
- 2504 Wireless Controller for High Availability
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- Brand:
- Cisco
- GTIN:
- 663149231720
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AIR-CT2504-HA-K9 Overview
AIR-CT2504-HA-K9 is a high-performance enterprise access point designed to deliver reliable, dual-band wireless connectivity in demanding environments. Engineered to support both 2.4GHz and 5GHz frequency bands and compliant with the Wi-Fi 5 standard, it offers data rates up to 1Gbps while leveraging advanced MU-MIMO and beamforming technologies to ensure efficient connectivity for high-density user deployments.
This access point is optimized for indoor settings such as large offices and data centers, with flexible installation options including ceiling and wall mounts. It features integrated omnidirectional antennas with a gain of 5dBi, utilizes PoE for power efficiency, and supports essential security protocols like WPA2 and WPA3, all while meeting key regulatory standards such as FCC, CE, and RoHS.
AIR-CT2504-HA-K9 price is is available on request. Get immediate quote.
Request bulk order quote for AIR-CT2504-HA-K9 for additional pricing. Browse the full Wlan Controller: 2500 Series series or explore all Cisco products.
AIR-CT2504-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
- 5dBi
- MIMO Technology
- MU-MIMO
- Beamforming
- Yes
- Mounting Options
- Ceiling Mount / Wall 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
- Compliance
- FCC / CE / RoHS
- Processor
- N/A
- Memory
- N/A
- Outdoor Use
- No
- Product Name
- AIR-CT2504-HA-K9
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| AIR-CT2504-HA-K9 |  AIRCT2504-702I-I5 |  AIRCT2504-1602I-E5 |  AIRCT2504-702I-E5 | |
|---|---|---|---|---|
| Product Type | Wireless Product | Wireless Product | Wireless Product | Wireless Access Point |
| Wireless Type | Access Point | Access Point | Access Point | Access Point |
| Wi-Fi Standard | Wi-Fi 5 | Wi-Fi 6 | Wi-Fi 6 | Wi-Fi 6 |
| Frequency Bands | 2.4GHz / 5GHz | 2.4GHz / 5GHz | 2.4GHz / 5GHz | 2.4GHz / 5GHz |
| Data Rate | 1Gbps | 2.5Gbps | 2.5Gbps | 2.5Gbps |
| Max Range | N/A | 200 meters | N/A | 100 meters |
| Coverage Area | N/A | 1500 square feet | N/A | 2000 square feet |
| Connector Type | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| Antenna Type | Omnidirectional | Omnidirectional | Omnidirectional | Omnidirectional |
| Antenna Gain | 5dBi | 5dBi | 5dBi | 5dBi |
| MIMO Technology | MU-MIMO | MU-MIMO | MU-MIMO | MU-MIMO |
| Beamforming | Yes | Yes | Yes | Yes |
| Mounting Options | Ceiling Mount / Wall Mount | Ceiling Mount / Wall Mount | Ceiling Mount / Wall Mount | Ceiling Mount / Wall Mount |
| Power Supply | PoE | PoE | PoE | PoE |
| Mesh Networking | No | No | No | No |
| Ethernet Port | 1x Gigabit | 1x Gigabit | 1x Gigabit | 1x Gigabit |
| Max Number of Devices Supported | N/A | 128 | N/A | 250 |
| Protocols Supported | 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 | Cloud Management / SNMP | Cloud Management | Cloud Management / SNMP |
| Security Features | WPA2 / WPA3 | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 / 802.1X | WPA3 / WPA2 / 802.1X |
| Compliance | FCC / CE / RoHS | FCC / CE / RoHS | FCC / CE / RoHS | FCC / CE / RoHS |
| Processor | N/A | Quad-Core 1.4GHz | N/A | N/A |
| Memory | N/A | 2GB | N/A | N/A |
| Outdoor Use | No | No | No | No |
| Product Name | AIR-CT2504-HA-K9 | AIRCT2504-702I-I5 High Performance Access Point | AIRCT2504-1602I-E5 Access Point | AIRCT2504-702I-E5 |
| Height | N/A | 8 inches | N/A | N/A |
| Width | N/A | 12 inches | N/A | N/A |
| Depth | N/A | 2 inches | N/A | N/A |
| Weight | N/A | 3 lbs | N/A | N/A |
| Wi‑Fi Standard |
Reviews & Ratings
S
Sadia Jamil
5
Good redundancy for critical WLANs.
T
Thomas Berg
5
Stable failover behavior.
R
Rebecca Young
4
Peace of mind for wireless uptime.
B
Bilal Farooq
4
Dependable HA controller.
Questions & Answers
What is the Cisco AIR-CT2504-HA-K9 wireless controller?
The Cisco AIR-CT2504-HA-K9 is a 2504 series enterprise-grade wireless LAN controller offering high availability for seamless network uptime and centralized AP management.
How many access points and clients does the AIR-CT2504-HA-K9 support?
This controller supports up to 50 access points and 1,000 client devices in high-availability mode for medium-sized deployments.
What does high availability (HA) mean on the 2504 controller?
High availability on the 2504 controller provides Active/Standby redundancy with stateful failover, ensuring continuous wireless service during a controller outage.
How is failover configured between primary and secondary controllers?
Failover is configured via the web GUI or CLI by pairing two licensed controllers, enabling automatic role assignment and real-time session synchronization.
What throughput can I expect from the AIR-CT2504-HA-K9?
The controller delivers up to 10 Gbps of wired throughput and manages wireless traffic prioritization for optimal performance.
Which network interfaces are available on the 2504 controller?
It features two 1-Gigabit Ethernet RJ45 ports, two SFP ports, and a dedicated management port for flexible connectivity.
What licensing options are required for high availability?
You need two identical 2504 AP licenses—one for primary and one for secondary controllers—plus the High Availability (HA) license bundle.
Is the AIR-CT2504-HA-K9 compatible with all Cisco access points?
Yes, it supports all Cisco Aironet 802.11ac Wave 2 and 802.11n access points for unified management and feature consistency.
How do I deploy the 2504 controller in a high-availability pair?
Install matching firmware on both controllers, assign HA roles in the GUI, and link them via management interfaces to enable stateful failover.
What security features are integrated into the AIR-CT2504-HA-K9?
Built-in features include AES encryption, rogue AP detection, client and device profiling, and 802.1X authentication for comprehensive protection.
Which management and monitoring tools are supported?
The controller supports Cisco Prime Infrastructure, Mobility Express GUI, and CLI, plus SNMP, NetFlow, and syslog for proactive monitoring.
Can I segment traffic using VLANs on the 2504 controller?
Yes, it supports multi-VLAN tagging per SSID, dynamic interface assignment, and QoS policies for secure and segmented traffic flows.
What power options are available for the AIR-CT2504-HA-K9?
The controller operates on internal universal AC power (100–240V) and consumes up to 15W, with low-power idle modes.
How does the 2504 controller enhance wireless performance?
It optimizes RF with CleanAir technology, dynamic channel allocation, and load balancing to maximize throughput and minimize interference.
What are the environmental and form-factor specifications?
Housed in a compact 1RU chassis, it measures 43.3 x 19.9 x 4.45 cm, weighs 2.6 kg, and operates between 0–40°C with 10–90% humidity.
How can I update firmware on the AIR-CT2504-HA-K9?
Firmware upgrades are performed via the web interface or CLI using TFTP/SCP, with rollover firmware stored to minimize downtime during HA failover.