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Upgrade Cisco WLC and Access Points to fix KRACK Attacks

On Oct 16th 2017, 7 vulnerabilities affecting both WPA and WPA2 were made publicly available. Additional research also led to discovery of 3 additional vulnerabilities.  Among these 10 vulnerabilities, only one CVE-2017-13082 may affect wireless infrastructure, the other nine vulnerabilities affect client devices. There is also some good news, remote attacks Continue Reading

CLI commands to troubleshoot AP not joining Mobility Express Controller

We encountered an issue with one of our Cisco 1850 Access Point, it was not joining Mobility Express Controller and throwing an error while you click on that specific AP on Mobility Express GUI under Wireless Settings. However show ap join stats summary all command tells that all APs have successfully Continue Reading

Convert CAPWAP Cisco 1852I Access Point to Mobility Express

Pre-requisites: Cisco 1850 series access point must not join any existing controller in the network. If so, disconnect or isolate the AP from joining any controller in the network. Convert CAPWAP to Mobility Express Step 1: Download the latest Mobility Express release from your Cisco Smartnet portal. Step 2: Configure TFTP server Continue Reading

Cisco 1850 Mobility Express Configuration – Video Tutorial

[wpdevart_youtube]NaSLHokze6E[/wpdevart_youtube] Our video tutorial missed to clarify few information, so we explained here 10.150.102.1 and 10.150.180.1 are IPs of SVI configured on the switches. 10.150.200.253 is an interface on Cisco ASA firewall, being Guest WLAN, we have not configured SVI on the switch and let ASA handle DHCP Server and lease Continue Reading

Review of Cisco Meraki Facebook Wi-Fi

Configuration of Facebook Wi-Fi in Cisco Meraki: In  Cisco Meraki dashboard, navigate to Wireless > SSIDs > edit settings of Access Control. Then configure as below Under Addressing and traffic option, choose Bridge mode: Make clients part of the LAN. This option let clients receive IP address from your local DHCP server, Continue Reading

Upgrade Cisco WLC and predownload image to AP

  Previously, we upgrade the WLC with the new image and when AP discovers controller with the new image, they all start downloading new image from controller, resets, goes into discovery mode and rejoins the controller. So the whole process would take long period of downtime/maintenance window if you have more APs. In Continue Reading

About Mobility Express deployment

A. General Mobility Express is software function of WLAN controllers that any network component can host. Cisco Aironet 1850 and 1830 series Access Points (802.11ac wave2 capable) host Mobility Express WLAN Controller function. Mobility Express doesn’t require license and supports up to 25 access points per Mobility Express deployment. Mobility Express is ideal Continue Reading