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Cisco

Cisco AIR-CT2504-25-K9 | Wireless controller | 25 AP license | 4x 1GbE | HA-ready | AireOS 8.x, FlexConnect/AVC

SKU:AIR-CT2504-25-K9

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Description

Enterprise WLAN controller licensed for up to 25 access points, ideal for growing branch and midsize networks. Delivers 4x 1GbE data ports, robust RF and traffic features (FlexConnect, AVC, guest access), and N+1 high-availability support.

Features

- 25 AP license included; upgradeable to higher tiers
- 4x 1GbE connectivity plus dedicated service and console ports
- FlexConnect for reliable branch/remote operations
- AVC for application-level visibility and QoS control
- Guest access, VLAN segmentation, and mobility groups
- CleanAir/RRM benefits with supported APs
- N+1 HA-ready architecture for resiliency

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: Is the AP license expandable?
A: Yes. You can license up to 50 or 75 APs without changing hardware.

Q: Does it work for branch offices?
A: Yes. FlexConnect enables central control with local switching for branches.

Q: Are 802.11ac access points supported?
A: Yes, AireOS-compatible 802.11ac Aironet/Catalyst APs are supported (software version dependent).

Q: How is high availability achieved?
A: Use N+1 redundancy with another 2504 (including the HA-K9 model) for failover.

Q: Can I aggregate the Ethernet ports?
A: Yes. LAG is supported for redundancy and increased throughput.

Technical Specifications

- Controller series: 2504 (AireOS)
- Included AP licenses: 25 (upgradeable to 50/75 via licenses)
- Data interfaces: 4 x 10/100/1000BASE-T (RJ-45)
- Service port: 1 x 10/100/1000BASE-T (out-of-band management)
- Console: 1 x RJ-45
- USB: 1 x USB 2.0 (config/backup)
- Supported AP generations: 802.11a/b/g/n/ac (AireOS-compatible Aironet/Catalyst APs)
- Deployment modes: Local, FlexConnect, OfficeExtend
- High availability: N+1 redundancy (HA-ready, non-stateful)
- Traffic intelligence: Application Visibility and Control (AVC)
- RF features: RRM, CleanAir integration (with supported APs)
- Security: WPA2, 802.1X/RADIUS, guest web authentication
- Networking: 802.1Q VLANs (multiple dynamic interfaces), mobility groups, guest anchoring
- Link Aggregation: LAG support across data ports
- Power: AC-powered (external PSU)

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