Firewall blocks a sample program. What should we do?: Updating firewall rules or temporarily turning off the firewall usually resolves the issue.

Does the Handler allow pinning threads to specific CPU cores?: Yes. Use OnixS::Eurex::DropCopy::HandlerSettings::sendingThreadAffinity and OnixS::Eurex::DropCopy::HandlerSettings::receivingThreadAffinity.

What is the best way to reconnect to EDCI after a disconnection?: Configure the Handler using OnixS::Eurex::DropCopy::HandlerSettings::connectionRetries.