When you get
1 |
Client Excluded: MACAddress:2c:be:08:f5:14:d6 Base Radio MAC :2c:d0:2d:91:54:86 Slot: 1 User Name: unknown Ip Address: unknown Reason:Attempted to use IP Address assigned to another device. ReasonCode: 3 |
you can debug the already used ip by enable dhcp debuging og the wlc controller
you can enable debuging by using the following command
1 |
debug dhcp message enable |
you can look for the event
1 |
*DHCP Socket Task: Oct 11 09:11:56.591: 2c:be:08:f5:14:d6 DHCP option: requested ip = 10.16.0.254 |
then you know that the ip that is already in use is 10.16.0.254, and you can exclude it on the dhcp server