isis authentication-key [ level-1 | level-2 ] authKey
no isis authentication-key [ level-1 | level-2 ]
Command introduced before JUNOSe Release 7.1.0.
Assigns a password for IS-IS level 1 and level 2 hellos used by neighboring routers that are using IS-IS password authentication. The no version deletes the password.
Interface Configuration, Subinterface Configuration