A method performed by a user equipment, UE, for enabling a user plane integrity protection mode in a radio access network packet data convergence protocol, PDCP, is provided. The method includes providing an indication of a user plane integrity protection, UP IP, mode supported by the UE. The method further includes receiving an activation message from a receiving node that includes an indication to the UE to activate the UP IP mode. The receiving node is a long term evolution eNodeB. Methods performed by a network node and a radio access node are also provided.