EZY4092E

Option not supported by protocol (ENOPROTOOPT)
Explanation
The socket option specified is incorrect for the protocol type
or the level is not SOL_SOCKET. The following list displays some of
the possible function calls that might return this error value:
getsockopt
The OPTNAME parameter is unrecognized, or the LEVEL parameter
is not SOL_SOCKET.
setsockopt
The OPTNAME parameter is unrecognized, or the LEVEL parameter
is not SOL_SOCKET.
getibmsockopt
The OPTNAME parameter is unrecognized, or the LEVEL parameter
is not SOL_SOCKET.
setibmsockopt
The OPTNAME parameter is unrecognized, or the LEVEL parameter
is not SOL_SOCKET.

System action
The socket call ends.  TCPIP continues.

Operator response
None.

System programmer response
  Use the information provided in the table above as a guide to
the conditions under which this error can occur.  Apply this information
to your application, and correct the parameters of the appropriate
socket call.  For more information, see the z/OS Communications Server: IP Sockets Application
Programming Interface Guide and Reference.

Module
TCPERROR

Procedure name
tcperror 