AP TO WLC

[AduragbemiSolarin50394]

Ive set up a wireless network today consisting of Cisco 2800 WAP's and a 2504 WLC. For some reason the AP's will not join the controller. I have a consoled into the wlc and this is the output

*spamApTask4: Jan 01 16:30:15.600: a0:23:9f:21:83:40 Decoding WTP radio information message element failed

*spamApTask4: Jan 01 16:30:15.600: a0:23:9f:21:83:40 Failed to decode discovery request from 10:172:125:28:5272

*spamApTask4: Jan 01 16:30:15.600: a0:23:9f:21:83:40 State machine handler: Failed to process msg type = 1 state = 0 from 10.172.125.28:5272

*spamApTask4: Jan 01 16:30:15.600: a0:23:9f:21:83:40 Failed to parse CAPWAP packet from 10.172.125.28:5272

[Leo Laohoo]

Post the complete output to the following commands:
1. WLC: sh sysinfo;
2. WLC: sh time;
3. AP: sh version;
4. AP: sh ip interface brief;
5: AP: sh capwap clie rcb

[AduragbemiSolarin50394]

nterface IP-Address Method Status Protocol Speed
wired0 10.172.125.79 DHCP up up 100
wired1 unassigned unset down down n/a
wifi0 unassigned unset administatively down down n/a
wifi1 unassigned unset administatively down down n/a

AdminState : ADMIN_ENABLED
OperationState : DISCOVERY
Name : AP70DB.9897.F3D4
SwVer : 8.2.151.0
HwVer : 1.0.0.0
MwarMacAddr : ff:ff:ff:ff:00:00
MwarApMgrIp : 0.0.0.0
MwarName :
MwarHwVer : 0.0.0.0
Location : default location
ApMode : Local
ApSubMode : Not Configured
CAPWAP Path MTU : 576
AP Link DTLS Encryption : OFF
AP Tcp MSS Adjust : Disabled
LinkAuditing : disabled

Manufacturer's Name.............................. Cisco Systems Inc.
Product Name..................................... Cisco Controller
Product Version.................................. 7.0.112.56
Bootloader Version............................... 1.0.20
Field Recovery Image Version..................... 7.6.101.1
Firmware Version................................. PIC 20.0

Build Type....................................... DATA + WPS

System Name...................................... GRANGE
System Location..................................
System Contact...................................
System ObjectID.................................. 1.3.6.1.4.1.9.1.1279
IP Address....................................... 10.172.125.19
Last Reset....................................... Power on reset
System Up Time................................... 0 days 1 hrs 32 mins 20 secs
System Timezone Location......................... (GMT +1:00) Amsterdam, Berlin, Rome, Vienna
Current Boot License Level....................... base
Current Boot License Type........................ Permanent
Next Boot License Level.......................... base

--More-- or (q)uit
Next Boot License Type........................... Permanent

Configured Country............................... GB - United Kingdom
Operating Environment............................ Commercial (0 to 40 C)
Internal Temp Alarm Limits....................... 0 to 65 C
Internal Temperature............................. +43 C
External Temperature............................. +46 C
Fan Status....................................... 3500 rpm

State of 802.11b Network......................... Enabled
State of 802.11a Network......................... Enabled
Number of WLANs.................................. 9
Number of Active Clients......................... 0

Burned-in MAC Address............................ F0:B2:E5:AB:2D:E0
Maximum number of APs supported.................. 50

Time............................................. Tue Feb 11 19:35:28 2020

Timezone delta................................... 0:0
Timezone location................................ (GMT +1:00) Amsterdam, Berlin, Rome, Vienna

NTP Servers
NTP Polling Interval......................... 3600

Index NTP Server
------- --------------------------------
1 10.10.1.1

[Leo Laohoo]

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@AduragbemiSolarin50394 wrote:

Product Version.................................. 7.0.112.56

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Upgrade the firmware of the controller to something more recent, for example 8.2.X.X or 8.5.X.X. 

The controller doesn't "understand" the new AP.  This is probably why the information about "AP not supported" was left out.  

[Scott Fella]

Try to search the forum on “ap not joining a wlc”. You will find many references and solutions to your issue. There are guides that tell you the requirements for an ap to join a wlc, which you need to follow.