CCIE Wireless

Before converting LWAP to Autonomous need to understand the type of OS image running on these platforms. I found following blog post is very useful to summarize the type of IOS & understanding its naming convention. http://www.my80211.com/cisco-auton-labs/2011/11/19/understanding-cisco-access-point-ios-images.html Following are the three type of IOS available & need to download the correct type before starting the conversion process. k9w7 – autonomous IOS k9w8 – full lightweight IOS (this is what is bundled in the WLC .aes…

CAPWAP Controller Discovery Process In a controller-based architecture, CAPWAP access points are dependent on a wireless controller to provide the software image, configuration, and centralized control and optionally data forwarding functions. Therefore, it is necessary for the access point to find a list of available controllers with which it can associate.   The following layer 3 CAPWAP discovery options are supported: Broadcast on the local subnet Local NVRAM list of the previously joined controller, previous…

WLC Discovery via Broadcast original link # http://mrncciew.com/2013/05/04/wlc-discovery-via-broadcast/ As outlined in one of my previous post (AP Registration) there are multiple methods (Broadcast, Static configs, DHCP option 43, DNS) available for a Ligthweight Access Point (LAP) to discover a WLC. In this post we will see how broadcast mechanism can be used for this. After the LAP gets an IP address from the DHCP server, the LAP broadcasts a Layer 3 CAPWAP discovery message on to…

An interesting fact – powered over Ethernet autonomous Cisco access point continue to associate clients even if you shutdown the relevant switch port! I recently shutdown the switch port to which a spare access point has been connected, assuming it will stop providing PoE. Few days later my friend’s IT specialist reported their customers have connectivity problems when they approach that particular access point. He also asked if the blue light reflects a working condition. That…

PEAP and EAP-TLS on Server 2008 and Cisco WLC Content Table Introduction Basic Network Configuration Installing Active Directory Installing Certificate Server Installing Network Policy Server Create RADIUS Computer Certificate Configure Network Policy for EAP Authentication Add Wireless User to Active Directory Configure Cisco WLC to use RADIUS Authentication Configure Wireless Client (Windows 7) Troubleshooting Conclusion Introduction To make wireless networks really secure you should use a RADIUS server to authenticate your users instead of using…