19c DSC GNS deployment help wanted

Hi,

I have been struggling in deployment 19c DSC with GNS setup. Here is the error message I got:

This is what I select for my installation type and grid names.

My Full Network Setup:

== on the DNS + DHCP server (netsrv.pojen.com)

[root@netsrv etc]# hostname

netsrv.pojen.com

[root@netsrv etc]# ip a

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000

    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

    inet 127.0.0.1/8 scope host lo

       valid_lft forever preferred_lft forever

    inet6 ::1/128 scope host

       valid_lft forever preferred_lft forever

2: ens192: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000