Enabled HTTPS on VNA as per documentation at https://techdocs.broadcom.com/us/en/ca-enterprise-software/it-operations-management/dx-netops/21-2/Modern-Network-Monitoring-with-DX-Virtual-Network-Assurance/securing/enable-https-for-virtual-network-assurance.html
then modified the OneClick -> Administration -> VNA configuration page with following parameters:
VNA Server Host Name: VNA_server_name
VNA Server Port: 8443
VNA Server Username: admin
VNA Server Password: ***
Select a SpectroSERVER: Spectro_server_name
VNA Integration: enable
Trying to test the VNA connection the following error appeared:
SPC-SDN-1: Unable to connect with the given VNA Server hostname and port.
Release : Spectrum 21.2.8 VNA 21.2.9
Add the VNA certificate on the spectrum OC server.
On OC Web page -> Administration -> SSL Certificates add the VNA certificate, then restart spectrum tomcat and Test the VNA connection.