Web Authentication - Web login page not displayed

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Aug 9th, 2009
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Cisco 4402 WLC running version

Access Points: AIR-LAP1142N

I have configured an SSID for WebAuthentication. When a wireless client logs into the WLAN the PC will associate to the AP but will then stop at the WEBAUTH_REQD stage.

Internet Explorer will show the attmept to redirect to the virtual port at but will not bring up the login page.

IE shows :

The network is a flat network so this SSID is using the management interface.

DHCP is being provided by the controller for this WLAN.

I know the classic design should be for this to be implemented on a separate VLAN but my customer has not VLANed his network yet and this is planned at a later stage. I have implemented this on a flat network before and it has worked.

Any suggestions would be much appreciated.

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BrianJ2007 Sun, 08/09/2009 - 04:53
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Important bit of information left of the original entry.

Debug Client results in the following message for every attempt to log onto the WLAN:

Orphan Packet from on mobile

Where is the IP address of the laptop.

zhenningx Sun, 08/09/2009 - 15:33
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Can you client resolve DNS properly? If cannot resolve DNS, web auth page cannot load.

wg wireless Thu, 08/13/2009 - 00:11
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If the client is going through a proxy server, put virtual interface IP (eg. in proxy exception of client LAN settings

harsisin Tue, 10/27/2009 - 11:28
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I faced exactly the same problem as you have described above. The following is what fixed it for me, i am sure u try it to might fix it for u as well.

In my scenario i found that my WLC controller had cipher-option sslv2 disabled. I enabled it and that resolved the issue for me.

This is what needs to be done in order to do it :-

It's best to enable it on the WLC and this is done from the CLI. It requires a reboot.

ssh to the WLC

enter the following command:-

WLC>config network secureweb cipher-option sslv2 enable

and then reboot.

Once the WLC reboots u can check the status by issuing the following command:-

WLC>show network summary

The output should look similar to the following

RF-Network Name............................. GTCR-CH-RF-GA

Web Mode.................................... Enable

Secure Web Mode............................. Enable

Secure Web Mode Cipher-Option High.......... Disable

Secure Web Mode Cipher-Option SSLv2......... Enable

As u can see the Secure Web Mode Cipher-Option SSLv2 is now enabled.

This should work.

Hope this helps and all the best.


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