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WLC Duplicate IP address detected for AP-Manager Interface

I am getting an error log in the WLC saying, its IP address is duplicate by another machine with MAC address A.B.C.D

But this MAC address A.B.C.D is the MAC address of the AP-Manager Interface in the same controller.

/*********************************/

Model No.                   AIR-WLC2106-K9

Software Version                 7.0.116.0

/*********************************/

%LWAPP-3-DUP_IP: spam_lrad.c:27626 Adding client 58:b0:35:83:72:86 to  exclusion list due to IP Address conflict with AP 'AP_DUXO_3'

%LWAPP-3-DUP_AP_IP: spam_lrad.c:27612 Duplicate IP address  detected for AP AP_DUXO_3, IP address of AP  10.184.1.224, this is a  duplicate of IP on another machine (MAC address 58:b0:35:83:72:86)

Cisco AP Identifier.............................. 1

Cisco AP Name.................................... AP_DUXO_3

Country code..................................... US  - United States

Regulatory Domain allowed by Country............. 802.11bg:-A     802.11a:-A

AP Country code.................................. US  - United States

AP Regulatory Domain............................. 802.11bg:-A    802.11a:-N

Switch Port Number .............................. 1

MAC Address...................................... cc:ef:48:1a:e4:af

IP Address Configuration......................... Static IP assigned

IP Address....................................... 10.184.1.224

IP NetMask....................................... 255.255.0.0

Gateway IP Addr.................................. 10.184.20.2

Domain...........................................

Name Server......................................

NAT External IP Address.......................... None

CAPWAP Path MTU.................................. 1485

Telnet State..................................... Enabled

Ssh State........................................ Disabled

Cisco AP Location................................ DUXO_BOX

Cisco AP Group Name.............................. default-group

Does anyone have an issue like this ?

  • Other Wireless - Mobility Subjects
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New Member

WLC Duplicate IP address detected for AP-Manager Interface

Are you sure this MAC address 58:b0:35:83:72:86 isn't some type of Apple device?  Its OUI is registered to apple.  How do clients get ip addresses DHCP?  It appears that the IP 10.184.1.224 is statically assigned to your ap-manager and that this client 58:b0:35:83:72:86 is either getting that same IP from DHCP or the client is statically assigning it themselves. 

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