All protocols are not supported in all environments and operating systems.
To view supported protocols for your server, use the following command:
ADMIN COMMAND 'protocols'
A list of all available communication protocols is displayed, which contains one row for each supported communication protocol. For example, the following result is from a Windows environment:
solsql> ADMIN COMMAND 'protocols';
RC TEXT -- ---- 0 NmPipe np 0 TCP/IP tc 0 TLS tl 0 ShMem sm 3 rows fetched.