Resolved! wrong VLAN '0' on interface '1', management VLAN = '1', AP Manager VLAN = '1', dropping the packet
I have e message erreur in Moblity express cisco 1815 : Discovery Request received on wrong VLAN '0' on interface '1', management VLAN = '1', AP Manager VLAN = '1', dropping the packet i have AP ==> switch layer 2 1815 ==> ME 1815 WLC ===> router (...