hahn

Physical Environment L2 switch with 4 ports and a NIC(MAC 2) connected How to capture traffic( Source MAC 1, Dest MAC 3 ) at MAC 2 Solutions : Port Mirroring, Promiscuous Mode Promiscuous Mode : allow and disallow all traffic to be forwarded, regardless of the destination Virtual enviroment 1. Packet Capture Tools 2. IDS / IPS (VM) 3. Hypervisor on VM Nested Virtualization Enviroment external vS..

Physical Hardware > Physical NIC Virtual Hardware Virtual NIC Virtualization VMXNET VMXNET2 VMXNET3 Emulation e1000 e1000e Virtual Switch L2 Switch(MAC needed) Not Based on Hardware CPU Dependence Doesn't Learn MAC addr why? creation by hypervisor How to make MAC? OUI + Number vSwtiches do not require STP because they are not connected VLAN and Trunk Support if using VLAN with esxi supports 802...

vSphere+ = SaaS but needed vCenter Installing(on-premises) vSphere+ provided service 1. Admin Sevices 2. Developer Services : Tanzu 3. Add-On Services : Disaster recovery benefits : integrated enviroment

Hardware - BIOS(Firmware) - OS OS - Driver - Peripheral Hardware CPU contains Instruction Set If diff instructionset? e.g x86 os - network equipment(armcpu or motorola cpu) Solution : emulation

Datacenter Infrastructure 1. Server - Server Virtualization 2. Network - SDN(Software-Defined Networking) 3. Storage - SDS/HCI (Software-Defined Storage / Hyperconverged Infrastructure) Why? Software Defined Software Defined = Object(Property + Method) Result Programming > Automation > Service > Cloud