https://community.hpe.com/t5/operating-system-hp-ux/error-protocol-already-logged-in/m-p/2604271#M591085 Did you try to shutdown and restart the station connected to the hub or switch? Tue, 30 Oct 2001 19:54:39 GMT Anthony deRito 2001-10-30T19:54:39Z https://community.hpe.com/t5/operating-system-hp-ux/error-protocol-already-logged-in/m-p/2604270#M591084 When I try to do a auto port aggregation, i get the above error. <BR /><BR />What should be the problem?? and how do i resolve it<BR /> Tue, 30 Oct 2001 19:14:49 GMT https://community.hpe.com/t5/operating-system-hp-ux/error-protocol-already-logged-in/m-p/2604270#M591084 Sprint Unix Team 2001-10-30T19:14:49Z https://community.hpe.com/t5/operating-system-hp-ux/error-protocol-already-logged-in/m-p/2604271#M591085 Did you try to shutdown and restart the station connected to the hub or switch? Tue, 30 Oct 2001 19:54:39 GMT https://community.hpe.com/t5/operating-system-hp-ux/error-protocol-already-logged-in/m-p/2604271#M591085 Anthony deRito 2001-10-30T19:54:39Z