Mastering tcpdump in SUSE Linux Enterprise
tcpdump is a powerful command-line packet analyzer available on SUSE Linux Enterprise and many other Linux distributions. It allows you…
How to Clone an Azure VM and Create a New VM from Its OS Disk
There are situations where you want to create a new Azure virtual machine based on the OS disk of an…
VMware Cloud Foundation (VCF) and the Software-Defined Data Center (SDDC) – What Is the Difference?
The terms Software-Defined Data Center (SDDC) and VMware Cloud Foundation (VCF) are often used closely together, which can give the…
Windows Server Software Defined Networking (SDN) and Hyper-V Network Virtualization (HNV) – Part 6: Connecting Overlapping Tenant Networks with Site-to-Site VPNs
In Part 5, we extended our overlapping HNV tenant networks beyond the Microsoft SDN fabric by using Linux VRFs (Virtual…
Windows Server Software Defined Networking (SDN) and Hyper-V Network Virtualization (HNV) – Part 5: Extending Overlapping Tenant Networks with VRFs
In the previous parts, we demonstrated how Hyper-V Network Virtualization (HNV) allows multiple tenants to use overlapping IP address spaces…
Windows Server Software Defined Networking (SDN) and Hyper-V Network Virtualization (HNV) – Part 4: Testing HNV Isolation with Overlapping Tenant Networks
In Part 3 of this series, we extended our HNV environment beyond the isolated tenant network and provided external connectivity…
Windows Server Software Defined Networking (SDN) and Hyper-V Network Virtualization (HNV) – Part 3: Providing External HNV Connectivity with the Native SDN Gateway and pfSense
In Part 2 of this series, we connected a second tenant VM to our HNV virtual network and verified communication…
Windows Server Software Defined Networking (SDN) and Hyper-V Network Virtualization (HNV) – Part 2: Testing Cross-Host HNV Connectivity
In Part 1 of this series, we deployed the fundamental Windows Server Software Defined Networking (SDN) infrastructure, including the Network…
Windows Server Software Defined Networking (SDN) and Hyper-V Network Virtualization (HNV) – Part 1: Deploying the SDN Infrastructure
Windows Server Software Defined Networking (SDN) provides a software-defined networking architecture for centrally configuring and managing virtual and physical network…
Understanding Misleading Volume Usage in NetApp ONTAP and Checkmk
This article highlights a potentially misleading volume utilization behavior when monitoring thin-provisioned NetApp ONTAP volumes with Checkmk. When the logical…
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Software Defined Networking (SDN) with VMware NSX – Part 4: Troubleshooting, CLI Commands, and Comparing Vendor Technologies for WAN Traffic Isolation
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