Hi everyone, I have a weird issue going on in our data center.  I recently upgraded the network module on a cisco switch from 4|1gb ports to 2|1 GB  2|10Gb.  The 2|1gb are shut.  I did create an etherchannel/portchannel to the aggregation cores switc...

Can I add the core switch to be NTP server for the rest of the switches 3850.     What is best practice:  create one of the switches to serve as the NTP server or to point every single switch to the public external NTP server?   thanks  

Dear all,   I am in the process of replacing my two core aggregation switches (3750 1gb 12 ports) with 3850s 16-10GB ports.     Currently, I am not stacking both switches (3750) but uplinks them each other via 2 etherchannels.  In addition, I am have...

Dear everyone, this is my first posting on the forum, so please excuse me if this question was already ask.  I need to upgrade my core backbones switches from 1gb to 10gb    Which of these two options will you advise and why:  Our goal is to uplink a...