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New Member

Change SSID isseu AIR-CT5500-K9-7-0-116-0.aes

                   Hi all;

I have an issue with WLC , the WLC cannot delete the information of the client when it jump to new SSID , it mentains the old information, it connect with the second SSID but it details (IP address and interface) as it is connected with the old SSID, although the fast SSID change enabled , um runnning

AIR-CT5500-k9-7-0-116-0.aes

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Hall of Fame Super Silver

Change SSID isseu AIR-CT5500-K9-7-0-116-0.aes

Did you enable fast ssid change from the WLC?  This will clear the table on the WLC before the client is able to connect to the new ssid.

-Scott
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New Member

Change SSID isseu AIR-CT5500-K9-7-0-116-0.aes

yes enabled

Cisco Employee

Change SSID isseu AIR-CT5500-K9-7-0-116-0.aes

show client detail < mac address while connected to the old ssid>

Try to connect to another ssid and have the following outputs:

debug client

show client detail < mac address > every now and then until the client appear

in the RUN state machine in the debugs output

In the meantime try to disable session timeout on the SSIDs between which the client is trying to change connection.

Also check this caveate which approximately describes similar symptoms:

CSCtz43631

WLC keeps ghost client entry

Symptom:
====================
WLC keeps ghost client entry if network between WLC and HREAP is unstable.

Condition:
===========
network between WLC and HREAP is unstable

Components:
===========
H-REAP

Workaround:
===========
We have some workarounds to delele ghost entries.
- disable/enable WLAN
- configure session timeout
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