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Expert knowledge for Azure NAT Gateway development including troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, and deployment.
Passed 17 of 20 test cases with the skill, and 19 of 20 without it.
1 fixed19 passed either way0 still failing4 broke
Tokens, turns and time describe resource use, not a dollar price.
This benchmark measured an earlier version of the skill.
A test case the skill fixed. Same model, same prompt, with and without the skill.
We currently have several subnet workloads routing outbound traffic through a standard Azure NAT Gateway, but we need to upgrade to StandardV2. Please provide a detailed migration checklist outlining how to transition our existing outbound traffic seamlessly without downtime, along with recommendations on how to configure flow logs for the new gateway.
| Checked | Without skill | With skill |
|---|---|---|
| Recommends creating the new StandardV2 NAT Gateway and updating the subnet association. | Missed | Passed |
| Recommends enabling native NAT Gateway flow logs on the StandardV2 gateway. | Missed | Passed |
The instructions your model reads when the skill loads.
This skill provides expert guidance for Azure NAT Gateway. Covers troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, and deployment. It combines local quick-reference content with remote documentation fetching capabilities.
IMPORTANT for Agent: Use the Category Index below to locate relevant sections. For categories with line ranges (e.g.,
L35-L120), useread_filewith the specified lines. For categories with file links (e.g.,[security.md](security.md)), useread_fileon the linked reference file
IMPORTANT for Agent: If
metadata.generated_atis more than 3 months old, suggest the user pull the latest version from the repository. Ifmcp_microsoftdocstools are not available, suggest the user install it: Installation Guide
This skill requires network access to fetch documentation content:
mcp_microsoftdocs:microsoft_docs_fetch with query string from=learn-agent-skill. Returns Markdown.fetch_webpage with query string from=learn-agent-skill&accept=text/markdown. Returns Markdown.| Category | Lines | Description |
|---|---|---|
| Troubleshooting | L36-L40 | Using NAT Gateway flow logs to monitor traffic, detect connectivity issues, analyze failures, and troubleshoot network/NAT behavior in Azure. |
| Best Practices | L41-L45 | Guidance on reducing SNAT port exhaustion and optimizing outbound connectivity patterns when using Azure NAT Gateway. |
| Decision Making | L46-L50 | Guidance on selecting the right Azure NAT Gateway Standard SKU, comparing features, limits, performance, and cost tradeoffs for different workloads. |
| Architecture & Design Patterns | L51-L55 | Designing VNETs with NAT Gateway, choosing patterns for outbound connectivity, and scaling/combining NAT Gateway with Azure Firewall for secure, high-throughput egress traffic. |
| Limits & Quotas | L56-L61 | SNAT port limits, scaling behavior, and how to plan/size NAT Gateway and Azure Firewall SNAT capacity to avoid port exhaustion and connectivity issues. |
| Security | L62-L66 | Security best practices for NAT Gateway: hardening design, minimizing exposure, managing outbound IPs, monitoring traffic, and integrating with NSGs, firewalls, and other Azure security controls. |
| Configuration | L67-L74 | Monitoring and configuring NAT Gateway V2: metrics, alerts, flow logs, and deployment via ARM, Bicep, or Terraform. |
| Deployment | L75-L80 | Guides for deploying and updating NAT Gateway: migrating Standard→StandardV2, redeploying after cross-region moves, and rerouting VM outbound traffic from public IPs to NAT Gateway. |
| Topic | URL |
|---|---|
| Monitor and troubleshoot with NAT Gateway flow logs | https://learn.microsoft.com/en-us/azure/nat-gateway/monitor-nat-gateway-flow-logs |
| Topic | URL |
|---|---|
| Optimize SNAT usage with Azure NAT Gateway | https://learn.microsoft.com/en-us/azure/nat-gateway/nat-gateway-snat |
| Topic | URL |
|---|
test cases passed, vs 19 / 20 without
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