Ask the Expert- How to use the Wireless LAN Controller Configuration Analyzer (WLCCA)
This topic is a chance to discuss more about how to use the Wireless LAN Controller Configuration Analyzer (WLCCA) tool for the remote analysis of wireless networks. The WLCCA is a post-sale tool that helps to save time on the analysis of Wireless LAN Controller configuration files. It helps the radio frequency (RF) analysis, which allows problem simplification on the configuration auditions, and on the estimation and adoption of best practices. In this event, you can learn more about how to use WLCCA in order to analyze wireless networks, detect network design issues and configuration issues, evaluate voice deployment, and learn best troubleshooting practices on RF.
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Ask questions from Tuesday 17th to Friday 27th of April, 2018
Javier Contreras is a Senior Tech Lead for the Wireless Business Unit in Cisco, with over 2 decades of experience in the IT and networking industry; for the last 13 years he has been focusing on the EMEA region. Previously, he worked at IT Training and Security consulting companies. He has participated and contributed in several projects such as high priority cases of wireless infrastructures, development of wireless CCIE certification and software upgrades maintenance, security/pen tests on wireless, and WLCCA. Javier leads the Wireless Configuration Analyzer tool. He has created over 211 Sev1/2 bugs, 284 sev3 and 90 PSIRT. Javier holds a CCIE Certification in Wireless and Security (10749). Javier lives in Barcelona; in his free time he likes to practice Taichi Qunag as a hobby.
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There were issues with the x802’s not passing traffic. Might want to look at this bug id: Bug ID: CSCvc67005 Severity: (2) Title: Cisco 2802 AP drops client ARP packets Updated: 04-Jun-2018 08:11 AM Status: Product: Cisco Aironet 1850 Series Access Points Known Affected Releases: 8.2(151.0) 8.3(111.0) 8.5(1.33) Known Fixed Releases: 8.2(154.7) 8.2(160.0) 8.3(114.45) 8.3(121.0) 8.4(100.0) 8.4(2.62) 8.5(1.58) 8.5(1.91) 8.5(103.0)
Description: Symptom: client can't pass traffic at all
Conditions: AP is 2800 or 3800, does not happen on other APs ARP requests from client are dropped by AP
Client ARP packets are dropped by the AP after successfully serving the client for a period of time
Once the client is not able to pass traffic the only way to recover is fresh auth from the client or roam client to a different AP.
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Pre-requisite for any MR release upgrade
Take the backup of prime db on external tftp server (recommended).
If you are running on VM than take a snap-shop of prime VM so you can resto...
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