A practical, end-to-end walkthrough of diagnosing and tuning a NetBird (WireGuard-based) mesh on Azure VMs, based on a real session of measurement → bottleneck identification → tuning → validation.
Environment used in this guide:
mlx5) with Accelerated Networking (SR-IOV)wt0 interface)100.64.0.0/10)
| apiVersion: dns.dnspolicies.io/v1alpha1 | |
| kind: DnsPolicy | |
| metadata: | |
| labels: | |
| app.kubernetes.io/name: dns-mesh-controller | |
| app.kubernetes.io/managed-by: kustomize | |
| name: dnspolicy | |
| spec: | |
| targetSelector: | |
| app: frontend |
| --- | |
| apiVersion: apps/v1 | |
| kind: Deployment | |
| metadata: | |
| annotations: | |
| dasdns.io/watch: "true" | |
| labels: | |
| app: frontend | |
| name: frontend-deployment | |
| namespace: default |
| { | |
| "action": "GUARDRAIL_INTERVENED", | |
| "outputs": [ | |
| { | |
| "text": "Sorry, I cannot process that request." | |
| } | |
| ], | |
| "assessments": [ | |
| { | |
| "sensitiveInformationPolicy": { |
| response = bedrock_runtime.apply_guardrail( | |
| guardrailIdentifier=guardrail_id, | |
| guardrailVersion='DRAFT', | |
| source='INPUT', | |
| content=[ | |
| { | |
| 'text': { | |
| 'text': 'My email is john.doe@example.com and my SSN is 123-45-6789' | |
| } | |
| } |
| $ python3 guardrail.py | |
| Guardrail created with ID: <GUARD_RAIL_ID> | |
| Guardrail ARN: arn:aws:bedrock:eu-central-1:<ACCOUNT_ID>:guardrail/<GUARD_RAIL_ID> |
| topicPolicyConfig={ | |
| 'topicsConfig': [ | |
| { | |
| 'name': 'FinancialAdvice', | |
| 'definition': 'Investment recommendations or financial planning', | |
| 'examples': [ | |
| 'Should I buy stocks?', | |
| 'What should I invest in?' | |
| ], | |
| 'type': 'DENY' |
| contentPolicyConfig={ | |
| 'filtersConfig': [ | |
| { | |
| 'type': 'HATE', | |
| 'inputStrength': 'HIGH', | |
| 'outputStrength': 'HIGH' | |
| }, | |
| { | |
| 'type': 'VIOLENCE', | |
| 'inputStrength': 'HIGH', |
| { | |
| "boot-source": { | |
| "kernel_image_path": "./vmlinux-6.1.102", | |
| "boot_args": "reboot=k panic=1 pci=off ip=169.254.0.21::169.254.0.22:255.255.255.252::eth0:off init=/src/dicedb" | |
| }, | |
| "drives": [ | |
| { | |
| "drive_id": "rootfs", | |
| "path_on_host": "/root/bin/rootfs", | |
| "is_root_device": true, |
| #!/bin/bash | |
| # Input: ./extract_kubecfg_cert.sh my-cluster-name username | |
| # Output: ./my-cluster-name-ca.crt ./username.crt ./username.key | |
| # Exit on error | |
| abort(){ | |
| echo $1 && exit 1 | |
| } | |
| # Prerequistes |