Dear All,I have calculated power required for Nexus 9500 using CISCO Calculator. I am confused in results which I am getting For Nexus 9508,Total Output Power 6580 Watts.Total Typical Output Power 5050 Watts.Total Heat Dissipation 23418.72 BTU/Hr.Wha...

Hello everyone, My question is about selection of 2 tier and 3 tier (Collapsed Core and Distributed Core Network). When to use 2 tier model and when to use 3 tier model, Are there thumb rules for using these network models?