Additional TCP/IP stack is not fully functional in 5.5 for vmkernal services.
Note this:
vSphere 5.5 Documentation Center
You can enable services for the default TCP/IP stack on the host.
Additional TCP/IP stack is not fully functional in 5.5 for vmkernal services.
Note this:
vSphere 5.5 Documentation Center
You can enable services for the default TCP/IP stack on the host.