Activate Session command failed from IPMI command

Recently one of my customers has tried to add Infiniband Switch as Asset in the Exalogic Control BUI. He finaly have troubels with the IPMI connection to the Infiniband Switches from the Exadata Stack. Trying to access the Infiniband Switches results in a „Unable to establish LAN session“ error [root@dm01dbadm01 ~]# ipmitool -v sel  -H…