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gcp-network-troubleshooter
Advanced diagnostics playbook for private VPC connectivity, serverless network bridges, and firewall blocks.
Codex 또는 Claude로 설치 이 Prompt를 복사해 Codex, Claude 또는 다른 어시스턴트에 붙여 넣으면 Skill 페이지를 검토하고 설치를 진행할 수 있습니다.
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Advanced diagnostics playbook for private VPC connectivity, serverless network bridges, and firewall blocks.
Codex 또는 Claude로 설치 이 Prompt를 복사해 Codex, Claude 또는 다른 어시스턴트에 붙여 넣으면 Skill 페이지를 검토하고 설치를 진행할 수 있습니다.
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| name | gcp-network-troubleshooter |
| description | Advanced diagnostics playbook for private VPC connectivity, serverless network bridges, and firewall blocks. |
Use this skill when you encounter connection timeouts, DNS resolution failures, private IP peering blocks, database connection resets, or Serverless VPC Access connector failures.
Before executing any network diagnostics, ensure the required management API is enabled on your project:
gcloud services enable networkmanagement.googleapis.com
Create and execute a Connectivity Test to trace the network path, packet routes, and firewall rules between your service and target IP:
# Example: Test reachability from a Cloud Run revision to a private Cloud SQL IP
gcloud network-management connectivity-tests create cloudrun-to-db-test \
--source-cloud-run-revision=$(gcloud run services list --limit=1 --format="value(REVISION)") \
--destination-ip-address=10.128.0.5 \
--destination-port=5432 \
--protocol=TCP \
--global
Poll and fetch the described results of the Connectivity Test to locate exact packet drop locations or blocked ports:
# Describe test outcomes to locate ingress/egress firewall blocks
gcloud network-management connectivity-tests describe cloudrun-to-db-test --global
Check if native GCP recommender engines have detected overlapping or shadowed firewall rules blocking VPC traffic:
gcloud recommender recommendations list \
--recommender=google.compute.firewall.PolicyRecommender \
--location=global