Category Archives: Network

Linksys wireless router Unexpected Error 2197

While trying to setup a new Linksys WRT3200 ACM router over the weekend I ran into a “Unexpected Error 2197” message while changing the router’s IP address. I was looking to replace an existing router that was 192.168.0.1 internally instead … Continue reading

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VMWorld 2018: Tuesday

The keynote was nice as a client was on stage talking about the success of an implementation I helped with.  Cool stuff. Then Sanjay talked to Malala Yousafzai which was pretty amazing.  Makes me wish I brought my daughters to VMworld. … Continue reading

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NSX-T a.k.a NSX Cloud API tips and tricks

NSX-T has lots of interesting capabilities, but due to the rapid development and release cycle many are only available via API calls right now. Making a request While the NSX-T documentation has some nice examples such as: Configure an L2VPN … Continue reading

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vSphere 6.5 iSCSI port binding

I was goofing around with my home lab and ran into an interesting tidbit regarding iSCSI port binding in 6.5. The documentation from VMware says: Browse to the host in the vSphere Web Client navigator. Click the Configure tab. Under Networking, click Virtual switches, and select … Continue reading

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Day 1: VMware Center for Advanced Learning – Advanced Architecture Course

Every wish there was a 9-day/81-hour course to propel you down the road to being a VMware Architect?   Wish no more. The VMware Center for Advanced Learning has gone live with a course intended to: Strengthen architectural & solution outcome skills in … Continue reading

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vSphere 6.x Observed IP range

Way back when I wrote about the “Observed IP Range” information reported for physical NICs in v5 hosts. I noted among other things that the field seems to be populated by a process that runs at boot time or when … Continue reading

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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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