Wireless - Mobility Knowledge Base

ResolutionMicrosoft Windows XP includes wireless networking in its operating system. Microsoft includes its own utility, Wireless Zero Configuration, to configure the wireless card settings.To use Light Extensible Authentication Protocol (LEAP), veri...

ResolutionThe part number (the model number) of the device will dictate if the device comes with a internal antenna or if it needs an external antenns. For example, AIR-BR1310G-A-K9 is a 1310G bridge which comes with an integrated antenna. AIR-BR1310...

Core IssueThe client radio must be turned on to perform tests.ResolutionGenerally Linktest is run to test the quality of the link between the adapter and the access point. Linktest will not work unless the link is established which might due to one o...

Core IssueCisco Aironet 340 and 350 series bridges can be connected to the same LAN segments, but they cannot communicate wirelessly.ResolutionThe 340 and 350 series bridges are not designed to work together. If you use both the 340 and the 350 serie...

ResolutionMAC address authentication can be accomplished on a Access Point (AP) in these two ways: Using a centralized RADIUS server to perform RADIUS-based MAC authenticationUsing a locally configured database to perform MAC address authenticationUs...

Core IssueThis occurs after upgrading the firmware on the access point or the 350 series bridge.ResolutionIf you are running firmware version 11.21, use the following procedure: Select yes for the Require use of Radio Firmware X.XX setting on the AP/...

Core IssueWith Message Integrity Check (MIC) enabled, the wireless clients are not able to get an IP address from a Dynamic Host Configuration Protocol (DHCP) server.ResolutionTo address this problem, perform the following steps: Reset the unit to fa...

ResolutionThis message indicates that a client has left the AP coverage area and has reassociated to a different Access Point (AP). It is not necessary to perform additional troubleshooting when clients roam. However, if the APs are connected to swit...

ResolutionIf the driver for the card is not installed or loaded properly, the Aironet Client Utility (ACU) displays this error message (Linux).To resolve this issue, perform these steps:Rerun the installation script by issuing the show ./cwinstall co...

ResolutionThis error message indicates that the update process (upgradaging from VxWorks to Cisco IOS ) is not completed because of low memory in the device. The memory is low due to the loading of the huge .ini file that takes place with the Downloa...

ResolutionWEP is stored in the registry of the adpater.Normally when there is no power to the adapter or when the computer in which it is installed is rebooted  WEP key is lost . OS reloads the WEP key to the adapter when power is supplied.Refer URL ...

ResolutionTwo Access Points (APs) cannot be configured as Wireless Domain Services (WDS) with the same priority. There cannot be two APs working with the same priority in the same subnet mask. This is not a way to have one of them work on standby mod...

ResolutionFor more information, refer to the Troubleshooting section of the Cisco Aironet Base Station Hardware Installation Guide.Problem TypeNo connectivity

Core IssueWhen the Java Cryptography Extension (JCE) certificate expires, key CiscoWorks Wireless LAN Solution Engine (WLSE) functions are unavailable until the patch is installed. This includes High Availability (HA), configuration, and Cisco Access...

ResolutionThe root bridge is an Cisco Aironet bridge that is located at the top, or starting point, of a wireless infrastructure topology. The root bridge is usually connected to the main wired backbone LAN. Since the radio traffic from the other bri...