https://Azurefixes.com/blog This blog is for Azure Troubleshooting en-us address@yoursite.com (NVN) address@yoursite.com (NVN) Mon, 29 Jun 2026 00:00:00 GMT https://Azurefixes.com/blog/azure-vng-cpu-spikes https://Azurefixes.com/blog/azure-vng-cpu-spikes A production incident walkthrough: VPN Gateway CPU pegged at 95% across both active-active instances, causing BGP flaps and tunnel instability. Root cause was 2,400 BGP prefixes with no summarization. Fix: route summarization + SKU upgrade brought CPU to 38%. Mon, 29 Jun 2026 00:00:00 GMT address@yoursite.com (NVN) AzureVPN GatewayBGPNetworkingTroubleshootingExpressRoute