Category Archives: Network

NSX: Upgrading to 6.4.0 from 6.3.x with a Control VM HA IP configured

tl/dr: If you upgrade from NSX 6.3.x to 6.4.0 make sure you remove the Control VM HA IP if it is set. Note that I have checked this with DLR and UDLRs. So I wrote about this the other day … Continue reading

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NSX 6.4 DLR HA changes

tl/dr: Enable HA during DLR deployment, don’t specify an HA IP address (if prompted),  use a unique logical switch for HA. Edits: Some info from VMware below. Also, if you are upgrading from 6.3 I would remove the HA IP … Continue reading

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VMware on AWS Quick Hits

vSphere plus SDDC Manager (VMware Cloud Foundation) plus NSX-V hosted on bare-metal at   AWS. VMware manages hardware account and bills you (separate from any AWS account you have) 4 nodes to start – each 2 socket/36 core, 512GB RAM, … Continue reading

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VMware NSX-T Quick Hits

NSX-T(ransformers) is a multi-hypervisor (ESX/KVM) cousin of NSX-V. Same SKU (if you own NSX-V 6.x, you own NSX-T 2.x). One NSX-T Manager can have multiple vCenters as “Compute endpoints” Standalone HTML5 client (not WebClient) NSX-T Edges can be VMs or … Continue reading

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Free NSX books from VMware

VMware NSX Micro-segmentation: Day 1 Guide VMware NSX Micro-segmentation: Day 2 Guide VMware Operationalizing NSX Automating NSX for vSphere with PowerNSX

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NSX, BGP, ECMP quick hits

When configuring NSX, BGP and ECMP there are a few configuration requirements you need to keep in mind: BGP neighbors ESG Firewall must be disabled BGP Timers BGP Graceful Restart Static Routes on the ESGs Static Routes on the DLR … Continue reading

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Checking NSX DFW rules and rule sets

The new VMware Docs page has a cheatsheet of CLI commands but here’s what you need to list the rules enforced on a VMs vnic. SSH to NSX Manager {Note that you can enable SSH if needed from the “Summary” page … Continue reading

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Hardware VTEPs supported by NSX

I had a discussion with a client about this a little while ago and it took me some time to find the link, but here’s VMware’s current list of supported Hardware VXLAN Gateways. I’ve also been told there are some … Continue reading

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Powershell report on NSX IP Pools

While troubleshooting and NSX install I began wondering about the NSX IP pools and what was being used in them.  I still need to look up the allocated IPs and report on the objects using them (name, type) but for … Continue reading

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NSX distributed logical router appliance Part 2

In a previous post I talked about UDLR/DLR differences, why you might need to deploy an appliance with your (U)DLR and how high availability works for the optional appliance. This post will cover more on IP addressing for the appliance … Continue reading

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