Cisco AIR-WLC2125-K9 LAN Controller
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AIR-WLC2125-K9 Cisco Aironet 2125 8 Ports Wireless LAN Refurbished

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Part Number#: AIR-WLC2125-K9
List Price was: $7976.92
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Short Description:
AIR-WLC2125-K9 Aironet 2100 Series 8 Ports 2125 Desktop and Rack-mountable Wireless Local Area Network Controller for up to 25 Lightweight Access Points | Made by Cisco | Refurbished

Interface Types of This Product: Management Card 8 Port

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
We are providing specifications below to explain why you should consider purchasing the Cisco 8 Port Management Card Networking, including a general overview, performance specifications, relevant images, media files, and technical information about the AIR-WLC2125-K9 compatibility.

More Information of Wireless LAN Controller

The AIR-WLC2125-K9 Cisco Aironet 2125 Wireless LAN (WLAN) Controller is a device that manages and controls wireless access points (APs) in a network. It is designed for small and medium-sized businesses, branch offices, and campus networks.

The WLAN controller allows for central management and control of wireless APs, making it easy to deploy and manage wireless networks. It also allows for the creation of wireless policies and security measures, such as access control lists and wireless intrusion detection and prevention, to ensure the security of the wireless network.

The AIR-WLC2125-K9 supports up to 12 APs, which means it can manage and control a large number of wireless devices in a network. It also supports wireless standards such as IEEE 802.11a/b/g/n/ac, which ensures compatibility with a wide range of wireless devices.

The WLAN controller also has a number of advanced features such as Quality of Service (QoS) and Bandwidth Management, which ensures that bandwidth is allocated efficiently and fairly among all wireless devices. Additionally, it also supports Cisco's FlexConnect technology, which allows for the creation of a local switching infrastructure, reducing the amount of traffic that needs to be sent to the controller.

The AIR-WLC2125-K9 is also designed for ease of use and deployment. It can be easily configured and managed through a web-based interface and supports zero-touch deployment. Additionally, it is also backed by Cisco's reputation for quality and reliability.

High Performance for Aironet 2125 Wireless LAN

The AIR-WLC2125-K9 Cisco Aironet 2125 Wireless LAN Controller is designed to provide high-performance wireless network connectivity for small and medium-sized businesses and enterprise branch offices. It supports up to 100 lightweight access points (APs) and up to 2,000 wireless clients.

The controller supports the IEEE 802.11a/b/g/n/ac wireless standards, which provide high-speed data transfer and increased capacity for wireless networks. It also supports Cisco's CleanAir technology, which uses real-time spectrum analysis to detect and mitigate wireless interference, improving network performance and reliability.

The controller also has a number of advanced features such as Cisco's Flexible Radio Assignment (FRA) technology, which allows for dynamic radio resource allocation to optimize network performance. Additionally, it also supports Cisco's Wireless Control System (WCS) for centralized management and monitoring of wireless networks.

The AIR-WLC2125-K9 is designed to be highly scalable and flexible, allowing for easy deployment and management of wireless networks. Additionally, it is also backed by Cisco's reputation for quality and reliability. Cisco offers comprehensive support, including software updates and troubleshooting assistance, to ensure that the controller is always running at optimal performance.

Exceptional Reliability

The AIR-WLC2125-K9 Cisco Aironet 2125 Wireless LAN Controller (WLC) is considered a highly reliable wireless controller. It is designed to provide centralized management and control of wireless networks, and is ideal for small to medium-sized businesses and enterprise branch offices.

The WLC is built on Cisco's Advanced Wireless Security (AWS) technology, which provides robust security features such as wireless intrusion prevention, rogue detection, and wireless intrusion detection. This ensures that the wireless network is protected against unauthorized access and malicious attacks, which helps to increase reliability and security.

The WLC also has a number of advanced features such as Cisco's Flexible Radio Assignment (FRA), which allows for dynamic radio assignment based on network conditions, and Cisco's CleanAir technology, which provides real-time spectrum analysis and interference detection. These features help to ensure that the wireless network is always running at optimal performance and that network security is not compromised.

Additionally, the WLC also has a number of redundant features that ensure high availability and reliability. It supports redundant power supplies and fans, which ensures that if one component fails, the other will take over, minimizing downtime and maintaining network connectivity.

Furthermore, the WLC is also backed by Cisco's reputation for quality and reliability. Cisco offers comprehensive support, including software updates and troubleshooting assistance, to ensure that the WLC is always running at optimal performance.

General Information about this Cisco AIR-WLC2125-K9

  • Manufacturer: Cisco
  • Model Number or SKU# AIR-WLC2125-K9
  • Product Line Aironet
  • Product Series 2100
  • Product Model 2125
  • Product Type Wireless LAN Controller

Technical Information of LAN Controller

Management & Protocols of 8 Ports Controller

  • IEEE 802.1Q VLAN
  • SNMP v1/ 2c/3
  • Telnet
  • HTTP
  • Syslog
  • Cisco private MIB

Power Description

  • Power Source AC Adapter


  • DHCP support, BOOTP support, ARP support, VLAN support, Syslog support, Quality of Service (QoS)

Security Standards

  • Wi-Fi Protected Access (WPA)
  • IEEE 802.11i (WPA2, RSN)
  • RFC 1321 MD5 Message-Digest Algorithm
  • RFC 2104 HMAC: Keyed Hashing for Message Authentication
  • RFC 2246 TLS Protocol Version 1.0
  • RFC 3280 X.509 PKI Certificate and CRL Profile


  • SNMP v1, v2c, v3
  • RFC 854 Telnet
  • RFC 1155 Management Information for TCP/IP-Based Internets
  • RFC 1156 MIB
  • RFC 1157 SNMP
  • RFC 1213 SNMP MIB II
  • RFC 1350 TFTP
  • RFC 1643 Ethernet MIB
  • RFC 2030 SNTP
  • RFC 2616 HTTP
  • RFC 2665 Ethernet-Like Interface types MIB
  • RFC 2674 Definitions of Managed Objects for Bridges with Traffic Classes, Multicast Filtering, and Virtual LAN

Dimensions & Weight

  • Form Factor Desktop
  • Form Factor Rack-mountable
  • Height 1.8 Inch
  • Depth 7.9 Inch
  • Weight (Approximate) 4 lbs


  • Additional Information-
  • Supports up 25 access points
  • Supports a PCI-certified architecture
  • Cisco Unified WLAN Controller SW Release 5.2 S(WLC2100K9-52)

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

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Monitoring and controlling individual UPS has been made easy with the UPS card. The management module is supported by a wide range of devices using multiple open standards. The open standards include Hypertext Transfer Protocol (HTTP), Simple Network Management Protocol (SNMP), Telnet, File Transfer Protocol (FTP), and more.

These UPS cards are suited to a wide range of applications. For example, they allow for scheduled UPS shutdown for an enterprise installation. This is complemented by:

  • UPS shutdown
  • UPS startup
  • System rebooting
  • Status Recording
  • Event logging
  • Event action settings
  • Automatic event notifications via SNMP traps, email, SMS, or Syslog

The range of products offered here are the perfect solutions for servers and workstations. They come with software that prevents data loss from power failure or other reasons. When there's any case of power loss or power failure, the software initiates an auto-shutdown command from the UPS.

Advanced UPS Management with Sophisticated UPS Cards

The advanced UPS management card options offer IT professionals the best tools for the easy monitoring and remote management of backup power. They come with professionally developed software offering users remote access to individual UPS.

This can be done from any web browser or network PC. The wireless UPS card options help access vital UPS conditions such as battery situations, load levels, and runtime information. The real-time notifications enable IT administrators to improve efficiency and uptime while reducing mean repair time.

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In the case of power failure events, the UPS card enables automatic shutdown of all virtual machines and network computers connected to a backup battery. The cards also enable the set up of power alerts. In this case, users can get notifications via SMS, email, or SNMP traps.

Compatibility with Environmental Sensors

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Users can configure the threshold, prompting the UPS card to send predefined notifications. The notifications are enabled by default, and users can easily customize the threshold to meet current environmental control requirements.

Key Features

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  • Event action settings
  • Security protocols for encryption and authentication
  • Upgradable UPS firmware
  • Compatible with system notification
  • Support network operation via IPv6 protocol
  • Simultaneous web browser access and network command line access
  • Battery management support

Here, you can check more available conditions of your desired product AIR-WLC2125-K9 at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.

Other Available Categories For - Networking - Management Card


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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

Individual product warranty mentioned on each item product description page/detail page.

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Shipping Options and Estimated Delivery Time

UPS Shipping Options:

FREE UPS® Ground (Free shipping to all orders for 48 states!)
Estimated delivery time: 4-7 business days

UPS 3 Day Select®
Estimated delivery time: 3 business days

UPS 2nd Day Air®
Estimated delivery time: 1-2 business days, Delivery by 10:30 AM or 2:00 PM

UPS Next Day Air® Standard Overnight
Estimated delivery time: Overnight 2-5 PM, Standard Overnight Delivery.

UPS Next Day Air® - Priority Overnight
Estimated delivery time: Overnight Delivery (Next Business Day) Delivery by 10:30 AM or 12:00 PM

UPS Next Day Air® First Overnight - Early A.M
Estimated delivery time: Overnight 8:00 AM, Early morning, overnight delivery for your time-critical shipments.

UPS® First Overnight - Saturday
Estimated delivery time: Overnight 8:30 AM – Saturday

FedEx Shipping Options:

FedEx Ground®
Estimated delivery time: (4–7 business days in the contiguous 48 states)
*For residential delivery via FedEx Ground use FedEx Home Delivery®
Estimated delivery time: 4−7 business days, based on the distance to the destination.

FedEx Express Saver®
Estimated delivery time: 3 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states (except Hawaii and Alaska)

FedEx 2Day®
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Available throughout all 50 states

FedEx Standard Overnight®
Estimated delivery time: Next-business-day (by 4:30 PM to U.S. businesses and by 8:00 PM to residences)
Available throughout all 50 states (Hawaii is outbound only)

FedEx Priority Overnight®
Estimated delivery time: Next-business-day (by 10:30 PM to U.S. businesses, noon to most residences)
Available throughout all 50 states

FedEx First Overnight®
Estimated delivery time: Next-business-day (by 8:30 or 9 AM to most areas)
Available throughout all 50 states

Worldwide Shipping Options:

UPS®/FedEx® International Economy

Estimated delivery time: 4-7 business days

UPS®/FedEx® International Priority

Estimated delivery time: 2-4 business days

UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days

Important notes:

  • The processing of orders with Ground Shipping can take up to 24-48 hours. But we try to process all orders the same day.
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