Articles tagged with Amazon VPC

Amazon Virtual Private Cloud (Amazon VPC) gives you full control over your virtual networking environment, including resource placement, connectivity, and security.

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63 results

Resolving EKS Pod IP exhaustion caused by VPC CNI warm pool ...

AWS OFFICIALUpdated 25 days ago0 votes256 views

Learn why default Amazon Virtual Private Cloud (Amazon VPC) CNI warm pool settings silently exhaust Amazon EKS Pod subnet IP addresses and how to resolve the issue with warm pool optimization and enha...

ARTICLE

Cost optimization and governance for centralized traffic ins...

Rosa LlorenteEXPERT

published a month ago0 votes128 views

Centralized traffic inspection with Transit Gateway and Network Firewall often inspects far more than necessary, and per-GB charges dominate at scale. This post shows how three Transit Gateway feature...

ARTICLE

Cost Optimization Network Security AWS Transit Gateway AWS Network Firewall Amazon VPC

How do I troubleshoot 504 Gateway Timeout errors on an Amazo...

Dounia LazliEXPERT

published a month ago0 votes136 views

When I click Save & Test on an Amazon CloudWatch data source in an Amazon Managed Grafana (AMG) workspace attached to a VPC, the request returns `504 Gateway Timeout`

ARTICLE

Amazon VPC AWS Transit Gateway Amazon CloudWatch Amazon Route 53 Resolver Amazon Grafana

Troubleshoot AWS Transit Gateway VPC attachment creation

Lucky IkaniSUPPORT ENGINEER

published 2 months ago5 votes461 views

I created a cross-account AWS Transit Gateway VPC attachment and it was accepted, but the attachment transitioned to a "failed" state instead of "available."

ARTICLE

Amazon VPC AWS CloudTrail AWS Resource Access Manager AWS Identity and Access Management AWS Transit Gateway

How do I use AWS CloudTrail to identify configuration change...

Lucky IkaniSUPPORT ENGINEER

published 2 months ago4 votes672 views

I want to use AWS CloudTrail to determine what configuration changes were made to my AWS Transit Gateway, such as route modifications, attachment changes, or propagation updates.

ARTICLE

AWS Transit Gateway Amazon VPC Amazon CloudWatch Amazon Athena AWS CloudTrail

Diagnosing Subnet IP Fragmentation for EKS Prefix Delegation

Selim SkhiriEXPERT

published 2 months ago2 votes223 views

Amazon EKS prefix delegation and EKS Auto Mode assign /28 prefixes (16 contiguous addresses) to worker nodes instead of individual IP addresses. A subnet can report plenty of free addresses and still ...

ARTICLE

Amazon VPC Amazon Elastic Kubernetes Service Networking & Content Delivery Containers

AWS Regional vs Zonal NAT Gateways: When to Use Each

Tirth ParekhEXPERT

published 3 months ago2 votes424 views

AWS NAT Gateway now supports two availability modes: Zonal (the original, single-AZ model) and Regional (a newer mode that automatically spans Availability Zones). With the addition of Regional mode i...

ARTICLE

Amazon VPC Networking & Content Delivery

Understanding Amazon VPC Regional NAT Gateway

Rodrigo ReyesSUPPORT ENGINEER

published 3 months ago0 votes344 views

On November 20, 2025, AWS announced regional availability mode for NAT Gateways, a single NAT Gateway that automatically expands and contracts across Availability Zones based on workload presence, eli...

ARTICLE

Networking & Content Delivery Amazon VPC

How do I use VPC Flow Logs tag and next-hop fields to identi...

Rodrigo ReyesSUPPORT ENGINEER

published 3 months ago1 votes171 views

On June 10, 2026, Amazon VPC Flow Logs introduced two new metadata categories: EC2 resource tags and next-hop interface metadata. These fields embed workload identity and traffic path information dire...

ARTICLE

Amazon VPC Networking & Content Delivery VPC Flow Logs

How do I choose between VPC Peering, Transit Gateway, and Di...

Mojgan-TothEXPERT

published 3 months ago1 votes374 views

This article examines the key differences in pricing structure, performance characteristics, and operational trade-offs between VPC Peering, Transit Gateway, and Direct Connect when transferring data ...

ARTICLE

AWS Direct Connect AWS Transit Gateway VPC Virtual Private Gateway Amazon VPC

How Network Orchestration for AWS Transit Gateway Automates ...

Renato GentilEXPERT

published 4 months ago1 votes386 views

This article explains how the Network Orchestration for AWS Transit Gateway solution automates VPC-to-Transit Gateway connectivity across multi-account environments using a tag-driven, event-driven ar...

ARTICLE

Amazon VPC AWS Organizations AWS Transit Gateway Networking & Content Delivery

S3 Express One Zone throughput capped at NAT Gateway bandwid...

Mark TwomeyEXPERT

published 4 months ago0 votes228 views

Customers running high-throughput workloads on S3 Express One Zone in private subnets may see aggregate throughput plateau well below their instance's network capacity. The cause may be traffic routin...

ARTICLE

Amazon VPC Amazon S3 Express One Zone Storage Class

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