Re: Been there
"Seriously, who the hell DOESN'T run spanning-tree nowadays? Hands up? You're idiots."
Spanning tree was (and is) great for what it's intended to do, but the stories of spanning tree storms are legion as networks grow well beyond their original designs.
TRILL is cheap enough that if you need mission-critical networking or exceeding 6 spans it should be included automatically in your core - and it has the nice side effect that you no longer need to mess with LACP between the switches.
Biting the hand that feeds IT
