The following example odbc.ini file configures the 32-bit Sybase Wire Protocol driver to use authentication, specifically Kerberos authentication. The example contains the connection options necessary to configure Kerberos authentication as well as the minimum options required to establish a connection. 

Driver=ODBCHOME/lib/ivasexx.so
Description=DataDirect Sybase Wire Protocol driver
...
AuthenticationMethod=4
...
Database=AccountingSybaseServer
...
GSSClient=native
...
NetworkAddress=123.456.78.90,5000
...
ServicePrincipalName=myserver.example.com
...
UID=JohnSmith
...