GCP Networking Observability Overview Google Cloud emits multiple network telemetry streams: VPC Flow Logs (sampled IP traffic), firewall rule logs, Cloud NAT translation logs, Cloud Firewall Plus / Cloud IDS threat logs, and aggregated metrics in Cloud Monitoring. Connectivity Tests provide static path analysis for "why can't A reach B?" questions. The right source depends on the question — pick one and stop, do not chase verification across tools. Instructions Telemetry Streams | Stream | Use it for | |---|---| | VPC Flow Logs | Top talkers, bytes/packets between IPs, traffic trends, egress…