I: Debian install on s390 from FTP

>       I install Debian to s390.
>       I IPL from DASD, start dbootstrap and format partitions.
>       The problem born when I try to "Install Kernel and Driver Modules", I 
> need FTP connection, but the dbootstrap don't start FTP.
> 
> 
>       Can you help me!
> 
> 
>       thanks in advance.
> 
> 
>       Giacomo Casetta