This post discusses configuring Jumbo frames in NSX to enhance VM-to-VM and upstream connectivity. It emphasizes setting MTU values systematically across several components like dvSwitch, Tunnel Endpoints, and VM Guest OS. Proper configuration improves bandwidth but requires careful adjustments to avoid packet loss and operational issues.
In NSX Manager 4.1.x, attempts to update the IDS/IPS signatures failed due to an expired license. The appropriate license, “NSX Firewall with Advanced Thread Prevention,” was added, allowing successful signature updates.
NSX 4.0 onwards only supports vSphere 7 and later. In my homelab I’m still running ESXi 6.7 which is joined to a vCenter 8 instance. It’s because the RAID controller in my host is unsupported in ESXi 7+ and no native drivers are available. Running an older ESXi version is Read more…
While working with a customer to get them onboarded in a VMware NSX (NSX-T) based Cloud Director environment, a use case for NO SNAT rules presented itself that I want to share. In this case the customer has an NSX-T based Edge gateway (T1) connected to a dedicated (VRF based) Read more…
In the beginning of 2022, I attended the “VMware Cloud Director: Advanced Networking with NSX-T Data Center” training for VCD 10.2. The training touched on a couple of topics, that are blog worthy. Let’s start with the third one in this latest Cloud Director series. Previous ones in this series Read more…
In the beginning of 2022, I attended the “VMware Cloud Director: Advanced Networking with NSX-T Data Center” training for VCD 10.2. The training touched on a couple of topics, that are blog worthy. Let’s start with the next one in this latest Cloud Director series. Other posts in this series Read more…
In the beginning of 2022, I attended the “VMware Cloud Director: Advanced Networking with NSX-T Data Center” training for VCD 10.2. The training touched on a couple of topics, that are blog worthy. Other posts in this latest Cloud Director series are: Cloud Director: Comparing Data Center Group network features Read more…
When you’ve lost the root password of your NSX-T 3.x Manager, Edge or Cloud appliance (including 2.5.2+) things have gotten a lot easier. Nowadays a password reset method is now build into the Edge, Manager and Cloud Manager appliance. In the versions before 2.5.2, it was a pretty tedious procedure Read more…
After attending VMware EMPOWER earlier this year, I won a voucher for a free exam (thanks EMPOWER team!). I chose the NSX-T 3.1 Data Center Security exam because of personal interest and exciting security features NSX offers. While preparing for the exam I gathered a list of study materials I Read more…
In this part of the NSX-T tidbits series, it’s about the current IPv6 support. During the writing of my IPv6 series, I needed to know which features are currently support in the current (3.1) version and found out there isn’t a good overview of it. After digging into blog posts Read more…