Hello Root bridge will send BPDUs across all its DP ports. following links might be useful for you: http://www.cisco.com/c/en/us/support/docs/lan-switching/spanning-tree-protocol/24062-146.html https://supportforums.cisco.com/discussion/11061531/st...

the problem description is not clear, Kindly Explain more. do you mean that the router is crashing due to power-on? if yes then Please check the power source/cable etc... if after that switch is still crashing then a replacement of router is needed...

Hello since this issue is happening around the same time zone I Highly doubt that this is a hardware issue. I have the following questions: 1- is there any activity being done at that specific time? 2- what is the software image being used? 3- are y...

Hello, I found the following link: http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750/software/release/12-2_44_se/release/notes/OL14630.html If the switch has interfaces with automatic QoS for voice over IP (VoIP) configured and you upg...