Hey ya , please try changing the cable first and if its a fiber link try changing SFP(s) if changing fiber does not help. RegardsKushagra

Hi Daniele, What i can suspect here is might be you are having microflaps on your fiber. If that is the only link through your 6500 it will not be even detected by UDLD.So if stopping SVI flap solve your problem.You can go in interface vlan <>and con...

so i believe Kevin at the time when stack rebooted itself , the STP would have reconverged . Now to say you are still having some connectivity issues, check that by pinging from the affected hosts to the servers they are not able to rightly access.Ch...

Hi Kevin, Its a negligible ping loss, and ICMP traffic is generally given the lowest priority. Are you facing any network issues ?And when you lost the power did any stack reboot itself ? RegardsKushagra