OSPF Neighbor  trouble shoot =====================

Interview questions Nexus ======== Two tier  vs three  tier architecture  STP in Nexus Switching ============ VTP modes MAC address flap Switch upgrade process STP Ether channel HSRP Routing ========= BGP - Dual ISP configuration…

VTP ======= VTP domain VTP revision Client Server Transperant STP ===== Step1 ======= Root bridge selection-Least bridge id prefered  if tie lowest MAC address Default priority value is 32768 Step2 ========== Selecting root port …