I am trying to enable 128-bit encryption on the WLC. I have a Wireless LAN Controller (WLC) 4402 and I use 1240 lightweight access points (LAPs). In other words, if AP-manager 1 uses port 1 as the primary and port 2 as the backup, AP-manager 2 must use port 3 as the primary and port 4 as the backup. But, make sure that your primary port and backup port configurations for each manager do not overlap. You must create a second AP-manager interface in order to bring up additional APs. The maximum number of APs on interface 1 is reached.Ĭonfigure multiple AP-manager interfaces and configure primary/backup ports that other AP-manager interfaces do not use. Otherwise, you receive the error that looks like this: Wed Sep 28 12:26:41 2005 spam_lrad.c 4212: AP cannot join because You must create additional AP-manager interfaces in order to support more than 48 APs. We have completed the conversion of 48 APs and we receive a message on the WLC that states: spam_lrad.c 4212: AP cannot join because the maximum number of APs on interface 1 is reached. We have begun the conversion of more than 200 access points (APs) from Cisco IOS® Software to Lightweight AP Protocol (LWAPP) with a Cisco 4404 WLC. Refer to Cisco Technical Tips Conventions for more information on document conventions. This document provides information on the most frequently asked questions (FAQ) on error messages and system messages for the Cisco Wireless LAN (WLAN) Controllers (WLCs).
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