Hi guys.
We lost a lot of our equipment yesterday. Now it is all up(AFAIK). We were not able to find any substantial logs yet. But it looks like we had a BPDU on a (unreal tournament voice)epic kill streak. Or a very malformed packet. I mean suddenly most of our switch ports entered err-disabled state.
What else could it be?
How do I track where the BPDU came from assuming I don't have logs?
How to prevent a future disaster like this?(I am assuming disabling BPDU on everything I touch)
Mostly Cisco/Dell/Mikrotik.
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