I am trying to finish lab 5.. I started getting loops when I figured out that I had no blocking paths on my topology. I found out (after cleaning my config) that with "show spann vlan 100 det" I noticed that my the links being tunneled (even before setting up the port channels) have some BPDUs Sent.. but almost ZERO received.
I guess this is causing my topology to start getting loops. I need to have this working before moving on to the port channels (it doesn't work well either) Can anyone help please ? Regards,
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