Page 3 - Q. How many WLCs can I have in the same mobility group?
You must reboot the WLC in order for the new software to take effect, so there is a period ofnetwork downtime. Be sure to schedule a maintenance window for the upgrade. Q. Can a Cisco IOS Software−based access point (AP) that has beenconverted to lightweight mode register with Cisco 4100 Series WLCs...
Page 4 - These are the events that occur:; A. No, IPX protocol is not supported on any platforms of the Cisco WLC.; Windows XP Service Pack 1 (SP1) or later, or Windows 2000 SP4 or later; A. You can download the Cisco WLC MIBs from the Wireless Downloads (; Complete these steps in order to download the WLC MIBs:
mobility group. You can configure up to 12 Wireless Services Module (WiSM) blades in onemobility group. Therefore, up to a maximum of 3600 access points (APs) are supported in asingle mobility group. Q. How does DHCP work with the WLC? A. The WLC acts as a DHCP relay device. The WLC does the DHCP re...
Page 7 - A. This is due to Cisco bug ID CSCsh58468 (
A. This is due to Cisco bug ID CSCsh58468 ( registered customers only ) . As of the latest controller version 4.0.206.0, a user can enter only 31 characters. Currently, there is noworkaround for this. Q. With the Management via Wireless feature enabled on wireless LANcontrollers (WLCs) in a mobility...
Page 9 - This is related to Cisco bug ID CSCsb87921 (; associated workaround.
Q. Can the Wireless LAN Controller (WLC) send email notifications to theadministrator when a critical event occurs? A. The WLC does not send email, but it can send traps to the Network Management System(NMS) stations, such as HP OpenView (HPOV). HPOV can perform things such as runningscripts to send...
Page 10 - The AP sends a discovery request to the WLC.
configuration to the backup controller off the production network.After the configuration is copied to the backup controller, you need to change thehostname, IP addressing information, RADIUS shared secret keys (possibly) andMobility group lists information. Change the mobility group member, which o...
Page 11 - Refer to Radio Resource Management (RRM) for more information.; Troubleshoot FAQ; Q. Is there any way to recover my 2006 WLC password?
Q. Is it possible to set a limit to the number of clients that connect to theaccess point (AP) on the AP itself? A. In general, there is no way on the AP to limit the number of clients that connect. Theclients actually load balance between APs once they exceed the profile threshold value, whichby de...
Page 12 - Check Enable Zero Touch Configuration.; This allows the APs to join. Complete these steps once they join.; Go to the controller GUI and choose Wireless > Cisco APs > Detail.
(WLCM) or Wireless Services Module (WiSM), you should be able to access the controllerfrom the WCS and create a new admin user without logging into the controller itself. Or, ifyou did not save the configuration on the controller after you deleted the user, then a reboot(power cycling) of the contro...
Page 13 - Bridge AP to Normal AP.
Bridge AP to Normal AP. Q. I recently set up the 4402 Wireless LAN Controller (WLC) to managethe new Cisco lightweight access points (LAPs). I run PIX 501 version6.3(5) and also use the PIX as a DHCP server for the clients. However,whenever the PIX gets a request from the controller for the wireless...
Page 15 - A. This is due to Cisco bug ID CSCse14889 (; This is how WLCs handle Layer 3 roaming:; A. This can be due to Cisco bug ID CSCse87066 (
MAC address. Q. No traps are generated by the WLC for Ad−Hoc rogues and the SNMPdebugs on the WLC do not show any traps from the WLC for Ad−Hoceven though the WLC GUI reported the Ad−Hoc rogues. The WLC runsfirmware version 3.2.116.21. Why does this happen? A. This is due to Cisco bug ID CSCse14889 ...
Page 17 - Upon boot up, the WLC determines the active ACS.; A. This is because of Cisco bug ID CSCsc98897 (; Q. How do I encrypt the configuration files on the WLC?; NetPro Discussion Forums − Featured Conversations; NetPro Discussion Forums − Featured Conversations for Wireless
This command will replace the 1.1.1.1 virtual interface address, which shows up itself as theDHCP server, with the actual DHCP server IP address that you defined on the interface or inthe override option of the WLAN. Q. We have a couple of Access Control Servers (ACS) that authenticatethe wireless c...
Page 18 - Related Information; Cisco Wireless LAN Controller Module Q&A
Wireless − Mobility: WLAN Radio Standards Wireless − Mobility: Security and Network Management Wireless − Mobility: Getting Started with Wireless Wireless − Mobility: General Related Information Cisco Wireless LAN Controller Module Q&A • Cisco Wireless LAN Controllers Q&A • Cisco Wireless LA...