VMworld 2021 is online this year I'll really miss some of the sessions and exploration we've had in past years in person, but I think VMware made the right call this year. We can expect to see a fundamental shift with online conventions - and this will need some unique strategy compared to previous years. The Basics I …

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TL;DR If you see either of these errors, check grep 'ERROR' /opt/avi/log/cc_agent_go_{{ cloud }} for the potential cause. In my case, the / character was not correctly processed by Avi's Golang client (facing vCenter). The Problem When trying to configure NSX ALB + NSX-T on my home lab, I am presented nothing but the …

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NSX Advanced Load Balancer - Logging and Troubleshooting Cheat Sheet Get into the OS Shell (all elements) 1sudo su Controller Log Locations Note: Everything in /var/lib/avi/logs is managed by Elasticsearch. I wouldn't mess with it. Events published to the GUI: /var/lib/avi/logs/ALL-EVENTS/ The primary log directory for …

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Pre-Requisites Before beginning the Avi installer, I configured the following in my environment: Management Segment (NSX-T Overlay). This is set up with DHCP for quick automatic provisioning - no ephemeral addresses required Data Segments (NSX-T Overlay). Avi will build direct routes to IPs in this network for vIP …

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NSX-T Edge Transport Node Packet Captures NSX-T Edge nodes have a rudimentary packet capture tool built in to the box. It is important to have a built-in tool here, as GENEVE encapsulation will wrap just about everything coming out of a transport node. NSX-T's CLI guide indicates the method for packet captures - from …

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Load Balancing is Important Load balancing is an important aspect of network mobility. How is a network useful if you can't move around within it? Cellular networks lose their appeal if you drop connectivity every time you roam between towers Wi-Fi networks are designed to facilitate smaller-scale movements. Imagine if …

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One major advantage to NSX-T is that Edge Transport Nodes (ETNs) are transitive Transitivity (Wikipedia) (Consortium GARR) is an extremely important concept in network science, and in computer networking. In simple terms, a network node (any speaker capable of transmitting or receiving on a network) can have the …

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Error presented by VAMI Interface Caveat This is definitely bypassing some form of pre-check, please contact VMware support if it's on a production system! Troubleshooting VCSA 7.0 has moved the upgrade process logging to a new location - the log itself is now at /storage/log/vmware/applmgmt/update_microservice.log …

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So far, we've provided the infrastructure for continuous delivery / continuous integration, but it's been for those other guys. Is that odd? Let's try using the principles provided for more infrastructure-oriented reasons. Let's build a network lab using NSX-T. First, we need some form of a mutable router. Normally, …

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The next step is to get IPv6 up and running with NSX-T! This should be pretty short - as with existing deployments of NSX-T, most of the difficult work is already completed. Here are a few preparatory steps to be performed before getting started: Ensure MP-BGP is on and that the data center fabric is running the …

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