Although GNS3 can run local on your computer and you can use VMware Workstation and have the GNS3 appliance. I found it much more stable and predictable to run GNS3 on a dedicated server. Using this type of installation, all the projects, and images are stored on the GNS3 server, so I can install the GNS3 client any …

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No management centers here, sometimes a standalone firewall is all you need. In this post I have a FTD appliance and there really isn’t a need tie this into Cisco’s Firepower Management Center. So we’ll configure appliance in standalone mode and go through the initial first steps that are required to get it online and …

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So, recently we enforced some firewall rules on a new environment, we did testing of the environment and everything was working as expected. In about 24 hours a lot of traffic from the web infrastructure was being denied and it continued, at first glance it looked like return traffic was being dropped, the web servers …

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When you want more speed all you need is EtherChannel, EtherChannel can be configured as a layer three logical interface instead of just sitting at layer two. This is very helpful if we are running layer three down to the access layer switches, instead of at the distribution layer. You also could see this in a …

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It’s been fun four months of 2018 so far and I’m back to talk about Wireless VLANs. With 802.11ax around the corner (2019) I think we all can agree that “weird” connections although less likely have interference isn’t as mobile as a wireless LAN. Also, with 802.11ax the maximum theoretical throughput is 10Gbps! We’re …

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