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26 WIRELESS LAN SWITCH AND CONTROLLER MSS VERSION 6.0.4.6 RELEASE NOTES
Local Switching Issues
In some instances, an error message containing
“SSR setup failed.mac” and a multicast address
can be ignored. (44605)
Windows VISTA Issues
Windows Vista clients cannot connect to
“hidden” SSIDs.
In its default configuration, Windows Vista does not
connect to hidden “non-broadcast” SSIDs. Microsoft
has changed this behavior in both Vista and the latest
Windows client update for XP (KB# 917021) as part
of an effort to increase security on wireless clients. For
more information, please check the following URLS
on Microsoft’s website:
Non-broadcast Wireless Networks with Microsoft
Windows:
http://www.microsoft.com/technet/
network/wifi/hiddennet.mspx
Description of the Wireless Client Update for Win-
dows XP with Service Pack 2:
http://support.microsoft.com/?kbid=917021
3Com recommends that, if you do not have direct
control over the configuration of the wireless clients
accessing your network, do not configure your service
profiles with hidden SSIDs.
If you do have direct control over client configuration,
you can change the default behavior. Here is a link to
Microsoft’s directions on how to change the default
behavior of the Vista wireless client:
Connecting to non-broadcast wireless networks in
Windows Vista:
http://support.microsoft.com/kb/929661
IE 7 issues with self-signed web-portal
certificates
Microsoft has introduced more strict client security in
Internet Explorer 7.0 which makes the use of
self-signed certificates more confusing for end-users.
When the WX attempts to process a client’s web-
portal login request, a screen displays this notice:
“There is a problem with this website’s security certifi-
cate” every time a client attempts to authenticate if
the WX is using a self-signed certificate. While it is
possible to choose the “Continue to this website”
option, the user is discouraged from doing so for
security reasons. This situation may lead to a notice-
able increase in support calls from confused
end-users.
3Com recommends that you do not use self-signed
certificates for Web-Portal. In addition to the security
issues with using an unverified certificate, the user
experience is severely affected for IE 7 users. Use Veri-
sign or another less expensive certificate authority to
purchase a third-party verified certificate. If you are
not using one of the major Internet certificate author-
ities (CA), verify that the CA’s public certificate is
included with all of the web browsers that you sup-
port on your network.