Networking
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Setup GNS3 VM VMware ESXi
GNS3 has definitely matured as a product and offers tremendous functionality especially if you look at the cross vendor platform support that it offers. Â I definitely prefer the interface of GNS3 over other products such as VIRL. Â VIRL is maturing…
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Dell Openmanage Network Manager 6.2 Appliance Install and Configure
For those not familiar, Dell has a neat network management tool that can manage network equipment and others.  This is available by way of an OVA appliance download as well as other installs.  Let’s take a look at the Dell Openmanage…
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How to Upgrade Dell Nseries Firmware
A quick post on how to upgrade Dell Nseries Firmware and the process involved. Â What you will need is a TFTP utility of your choice running on the network as well as the latest firmware file for your Nseries switch,…
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What happens Same IP Range different subnet mask
I had this question posed to me the other day and it is one of those curiosity questions that you may have asked before or perhaps had a situation that presented itself that gave cause to thinking about this question.…
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VIRL vs GNS3 vs Packet Tracer which one
Network simulators are a great resources for mocking up certain scenarios, learning, certifications, and plain old “what will happen if I do this in my network” testing. Â There are are a variety of simulators available out in the wild for…
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Troubleshooting VMware Workstation Network connectivity
Typically, I use VMware Workstation every day running work VMs and performing other testing. Â I also troubleshoot VMware Workstation for other users as well. Â From time to time, I have seen issues with VMware Workstation network connectivity either in Bridged…
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Configure Dell Nseries switch stack
A quick little how to post on creating a stack between Dell Nseries switches. Â For the purposes of this post, the stack was created using (2) Dell Nseries 4032F 10G switches. There is just a small amount of configuration that…
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How to Configure Untangle site to site VPN
In working on a DR project utilizing two Untangle virtual appliances, I had the need to setup a site to site VPN connection between the Untangle firewalls. Â The OpenVPN documentation is fairly decent on the Untangle site, however, the information…
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Create LACP LAG between Extreme and Enterasys switches
A late breaking project I was involved with recently with a client was adding 10G port count to an environment that had simply outgrown the number of 10G ports that were being used.  Another ESXi host was being added to scale…
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Cisco Meraki MR18 install review
I was excited recently to get my hands on a Cisco Meraki MR18 and wanted to share with you all some thoughts and opinions of the product after having installed, configured, and worked with it for a few days. Â The…
