Azure networking – Public IP addresses in Classic vs ARM

This post was contributed by Stefano Gagliardi, Pedro Perez, Telma Oliveira, and Leonid Gagarin As you know, we recently introduced the Azure Resource Manager deployment model as an enhancement of the previous Classic deployment model. Read here for more details on them https://azure.microsoft.com/en-us/documentation/articles/resource-manager-deployment-model/ There are important differences between the two models on several aspects spanning…


Azure SNAT

  This post was contributed by Pedro Perez. Azure’s network infrastructure is quite different than your usual on-premises network as there are different layers of software abstraction that work behind the curtains. I would like to talk today about one of these layers and why you may want to take it into account when troubleshooting…

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Configuring Windows Failover Cluster Networks

In this blog, I will discuss the overall general practices to be considered when configuring networks in Failover Clusters. Avoid single points of failure: Identifying single points of failure and configuring redundancy at every point in the network is very critical to maintain high availability. Redundancy can be maintained by using multiple independent networks or…


Debugging a Network Connectivity Issue – TrackNblOwner to the Rescue

Hello Debug community this is Karim Elsaid again.  Today I’m going to discuss a recent interesting case where intermittently the server is losing access to the network.  No communication (even pings) can be done from / to the server when the issue hits.   We went through the normal exercise and asked the customer to…