Cisco WLC Aironet Best Practise on data rates

When you have a good coverage of your wifi environment, you can optimise it by disabling lower data rates. Management Frames will be sent at the lowest given mandatory rate, this slows down your whole wifi network within the cells. The default entry for this is 1 Mbps (2.4 GHz). Here are some facts from … Read more

Wireless Point-to-Point Bridge

Today I will show you how to establish a wireless point-to-point bridge for connecting to physical networks via two access points. I built a connection with 5GHz. My equipment: 2x Cisco Aironet Access Point 2600 (Dual-band autonomous 802.11a/g/n) (AIR-SAP2602I-E-K9) 2x Cisco Aironet 2.4-GHz/5-GHz MIMO 4-Element Patch Antenna (AIR-ANT2566P4W-R) 8x Cisco 50FT LOW LOSS CABLE (AIR-CAB050LL-R) for the montage … Read more

Backup your Cisco WLC configuration (without Cisco Prime)

The official way of Cisco to backup a configuration from a Cisco Wireless Controller is to buy and implement Cisco Prime. I solved it my way: You can use solarwinds CatTools to send commands to specific devices, so I configured a job to connect to the WLC via SSH to instruct the WLC pushing the … Read more

Cisco WLC High Availability

I’m currently in a project where a school needs to integrate a wireless network. They buy a Cisco WLC 5508 with built-in license for 25 access points (AIR-CT5508-25-K9) and a WLC for high availability (AIR-CT5508-HA-K9). The HA-WLC is automatically sharing the configuration and the license for 90 days from the main WLC. I will show … Read more

Cisco Access Point Low Power with PoE Injector

Today I had a strange problem with Cisco Aironet controller-based access points at one of my customers. I connected three new Cisco Access Points “AIR-CAP2602I-E-K9” on Cisco PoE Injectors “AIR-PWRINJ4=” to work with two new Cisco WLC “AIR-CT2504-5-K9” with the newest software version 7.5.102.0. After 1-2 minutes I could see the APs on the WLAN controller … Read more

Set a Cisco WLC to factory-default and activate webinterface

To set a Cisco WLAN controller to factory default settings, you can connect via console or telnet/ssh to the WLC and type in the following: (Cisco Controller) > reset system (Cisco Controller) > recover-config or you can boot up the device and just press ESC several times to come to the boot menu. Type “5” to … Read more