TSHOOT – Port Security, DHCP Snooping, IP Source Guard, DAI, Protected Ports, Private VLANs, and VACL Troubleshooting!

Above is a visual of Private VLANs and how they can communicate with each other, however this is going to be a lot of Switch security, so lets get to it. Port Security troubleshooting Some common issues that can cause Port Security not to work: Port Security is configured but not enabled - This is … Continue reading TSHOOT – Port Security, DHCP Snooping, IP Source Guard, DAI, Protected Ports, Private VLANs, and VACL Troubleshooting!

Private VLANs – In depth explanation of terminology and theory, configuration, verification, and tons of troubleshooting!

I've come to find through the labbing below, that the above Topology doesn't work, as the Primary VLAN is the subnet that all Secondary VLANs must reside in, so I spent a lot of time spinning my wheels trying to figure that out on my own. A couple other things to mention right up front … Continue reading Private VLANs – In depth explanation of terminology and theory, configuration, verification, and tons of troubleshooting!