It is possible to configure the network interface right now. The hardware will be detected later by YaST2. The minimum set of options to configure your network card consists of host IP and netmask. For example:
or in a shorter form:
If you specified a εγκατάσταση μέσω δικτύου and do not specify both of these options, the installer tries to configure the network interface with dhcp. If you need a default gateway, specify this with the option πύλη. For example: