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 IPv6 series I’d like to tell you about my “journey” to implement the protocol at home and in the lab. This part explains how IPv6 can be used with NSX-T in the datacenter. Expect the creation and / or configuration of T0 and T1 routers, Uplink configuration, Static Read more…