Author Archives: trainingrevolution

Upgrade Cisco IoS using MacBook as TFTP Server

I recently needed to upgrade a Cisco Catalyst 3560CPD-8PT-S Compact Switch, which was running an older IoS version.  I knew that my MacBook had a built in TFTP server so this seemed like a great opportunity to use it to upgrade … Continue reading

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Configuring a Cumulus Switch to Send syslog info to vRealize Log Insight

Log Insight is a so much more than a syslog collector, however this post focuses on how to export syslog files from a Cumulus switch.  Today, it doesn’t appear so though Cumulus has a content pack for Log Insight but … Continue reading

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Dell FTOS % Error: Port is in Layer-2 mode

I was recently configuring a Dell Force10 S Series S55 1/10GbE top-of-rack (ToR) switch and received the error message “Dell FTOS % Error: Port is in Layer-2 mode” when attempting to remove Hybrid Mode. The Dell Knowledge Base Article How … Continue reading

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Create a VLAN on a Dell S55 Series Switch for VMware ESXi

Before you get started I would recommend that you get a list of the existing VLANs that have been created on the switch.  You can do this by typing show vlan Pay particular attention to the Q Ports section.  In … Continue reading

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VLAN 101: What are the benefits of using VLANs?

As VMware Administrators take a more active role in Network Design they begin to ask more questions regarding why, how, or when to configure specific network features.  Creating VLANs today has become a common practice, let’s find out why! There … Continue reading

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VMware NSX Document Library

This is a collection of all of the Public Documents that are available from VMware for NSX. NSX Administration Guide NSX Installation and Upgrade Guide NSX for vSphere Getting Started Guide – July 2014 VMware NSX: The Platform for Network … Continue reading

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vSphere NSX: Unable to Remove or Delete Logical Switch

Notification – The last operation failed for the entity with the following error message.  The object <Logical Switch Name> is in use, this operation cannot be performed.  Remove all configuration referring to this object and retry operation. I recently working … Continue reading

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