300-620 Exam Dumps : Implementing Cisco Application Centric Infrastructure (300-620 DCACI)

To minimize possible traffic impact during the upgrade of an ACI fabric with 3 APIC controllers and servers dual-homed to pairs of leaf switches configured in VPC mode, the fabric should be upgraded following Option A2. This option involves creating two maintenance groups for the APIC controllers, upgrading one group at a time, and then proceeding with the leaf switches2. This staged approach helps ensure that not all paths are affected simultaneously, thereby reducing the potential for traffic disruption2.

To extend functional VMM integration to the new group of 70 bare-metal ESXi servers, a separate VMM domain should be implemented using the AEP_VMM. This allows for the management and automation of network policies for the bare-metal servers in a manner similar to the virtualized environment managed by vCenter1.

When configuring in-band management IP addresses for Cisco APICs, leaf nodes, and spine nodes, the tenant used is the mgmt tenant1.