AWS Troubleshooting : Reachability analyzer

While working on VPCs I have encountered this awesome tool in AWS console, called reachability analyzer. As the name suggests this tool is used to analyze the connectivity between two endpoints , aws provides a very good list of options to choose an endpoints, see below… This can be a very useful tool while troubleshooting.… Read More AWS Troubleshooting : Reachability analyzer

AWS VPC : Troubleshooting Network connectivity with Resource-MAP

Recently while working on VPCs I have seen this new option in amazon VPC. Resource-map provides an object map for VPC elements. Like below, it tells that my private and public subnet has route table association and if that route table has an external connectivity with igw or not. It is very useful information while… Read More AWS VPC : Troubleshooting Network connectivity with Resource-MAP