I have eight Access Point 1230G with the same configuratione and the same Ios version (123-8.JEA1)
When I power On Ip Phone 7920 under Access Point 1 ,It take address from Dhcp with correct registration to Callmanager.
If I am moving under Access Point 2,roaming is ok and Ip Phone works good,but if I power off and power on Ip Phone 7920 under Access Point 2,It doesn't aquire address and appear me message "network busy".
Assume you are using ssid #2 (CrediVoip), which is using open authentication w/ 40 bit static wep. Only thing that could prevent a client from getting a DHCP address on one ap where it works on another would be misconfigured static WEP key or switchport is not in trunking mode. For static WEP key, can copy the key from the working AP to the non-working AP. Try another client to test DHCP using same SSID.
If you are receiving "Network Busy" when making a call, then this means the QBSS value (channel utilization) is >= 105 and no other AP to roam to.
Can see the QBSS value (CU) in the 7920 site survey. Can also do "show controller dot11radio 0 | include QBSS", which will show the QBSS # in hexadecimal format.
Transferring Crash file from standby:
Login to the Active WLC in HA.
(Cisco Controller) >transfer upload datatype crash
(Cisco Controller) >transfer upload filename <Desired filename>
(Cisco Controller) >transfer up...
This is the start of a display filter cross reference between Wireshark and OmniPeek.
The 1st installment is a table of advanced filters. More filters will be added as time allows.
It is a living doc, so check back for changes every so often
Please feel ...
I have created a Powershell script to automatically add a Wireless Guest User on Cisco WLCs. (tested on 2500 Series)
The script should be completely self explanatory.
Powershell SNMP Module (Install-Module -Name SNMP)
SNMP Write Access to...