All Oracle Error CodesOracle DBA Forum

ORA-06808:

TLI Driver: could not link IPX and ethernet streams
Cause: Either the ethernet driver has not been installed in the system correctly, or the ethernet driver is not supported.
Action: Insure that the ethernet driver has been installed by completing the TCP/IP installation on your system, and testing a connection. If problem continues, contact your customer support representative for a list of supported ethernet drivers.