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Upgrade Cisco WLC and Access Points to fix KRACK Attacks

November 11, 2017

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Cisco, Cisco Wireless

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 won’t be possible in this…
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Backup Cisco Mobility Express Configuration

March 23, 2017

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Cisco, Cisco Wireless

Here is the solution to backup Cisco Mobility Express Configuration. If you are backing up the controller, you do not need to backup each AP. If you are working on standalone model, you need to backup each and every AP individually and the steps remain same. 1.Configure tftp as the transfer mode used to backup…
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Useful CLI Commands of Cisco Mobility Express

October 15, 2016

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Cisco, Cisco Wireless

General Access Points Clients WLANs Master AP
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CLI commands to troubleshoot AP not joining Mobility Express Controller

October 14, 2016

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Cisco, Cisco Wireless

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 joined the controller. (Cisco Controller)…
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Convert CAPWAP Cisco 1852I Access Point to Mobility Express

September 29, 2016

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Cisco, Cisco Wireless

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 and configure the latest downloaded…
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Cisco 1850 Mobility Express Configuration – Video Tutorial

July 28, 2016

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Cisco, Cisco Wireless

[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 IPs. You should necessarily have…
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Review of Cisco Meraki Facebook Wi-Fi

July 14, 2016

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Cisco, Cisco Wireless

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, probably thats your ADSL router…
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Cisco Wireless LAN Controller – Things to know

May 4, 2016

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Cisco, Cisco Wireless

WLC doesn’t allow upload or download from a wireless TFTP/FTP computer that is associated to an access point. This has always been by Cisco WLC design. You need such TFTP or FTP to be wired to network and reachable to WLC. However, you can TFTP/FTP from a wireless client to upload or download from the WLC if you…
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Upgrade Cisco WLC and predownload image to AP

May 4, 2016

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Cisco, Cisco Wireless

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 order to minimize the network…
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About Mobility Express deployment

May 2, 2016

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Cisco, Cisco Wireless

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 for deployments serving up to…
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