Cisco Cisco 4402 Wireless LAN Controller
16
Release Notes for Cisco Wireless LAN Controllers and Lightweight Access Points for Release 4.0.217.0
OL-31336-01
Important Notes
Running a 3504 Image on a 2000 Series Controller
It is possible to run a 3504 controller image on a 2000 series controller, but Cisco Aironet 1130, 1200,
and 1240 series access points will not be able to connect to the controller.
and 1240 series access points will not be able to connect to the controller.
Ethernet Multicast Mode Required to Support IPv6
Ethernet Multicast Mode (EMM) is required to support IPv6. If you disable EMM, client devices using
IPv6 lose connectivity.
IPv6 lose connectivity.
Access Point LEDs Sometimes Require Extra Time to Display Status
Access point LEDs sometimes require extra time to display a change in status. For example, when an
access point is searching for a controller, the search begins several seconds before the LEDs report that
status.
access point is searching for a controller, the search begins several seconds before the LEDs report that
status.
Upgrading External Web Authentication
When upgrading a controller from operating system release 2.0 or 2.2.127.4 to release 3.2.116.21 or
later, update the external web authentication configuration as follows:
later, update the external web authentication configuration as follows:
1.
Instead of using a preauthentication ACL, the network manager must configure the external web
server IP address using this command:
server IP address using this command:
config custom-web ext-webserver add index IP-address
Note
IP-address is the address of any web server that performs external web authentication.
2.
The network manager must use the new login_template shown here:
<html>
<head>
<meta http-equiv="Pragma" content="no-cache"> <meta HTTP-EQUIV=”Content-Type”
CONTENT="text/html; charset=iso-8859-1"> <title>Web Authentication</title> <script>
function submitAction(){
var link = document.location.href;
var searchString = "redirect=";
var equalIndex = link.indexOf(searchString);
var redirectUrl = "";
var urlStr = "";
if(equalIndex > 0) {
equalIndex += searchString.length;
urlStr = link.substring(equalIndex);
if(urlStr.length > 0){
redirectUrl += urlStr;
if(redirectUrl.length > 255)
redirectUrl = redirectUrl.substring(0,255);
document.forms[0].redirect_url.value = redirectUrl;
}
}
document.forms[0].buttonClicked.value = 4;