Objective 10.1: Compare and Contrast Tools Available for Troubleshooting Capture and trace uplink, vmknic, and physical NIC packets The pktcap-uw tool is an enhanced packet capture and analysis tool that can be used in place of the legacy tcpdump-uw tool. The pktcap-uw tool is included by default in ESXi 5.5 and later versions. This article […]
Objective 8.1: Differentiate single and Cross-vCenter NSX deployments Understand the benefits/use cases for Cross-vCenter NSX Use Case: To overcome scale limits of vCenter Server To accommodate products that require dedicated or multiple vCenter Server systems, such as Horizon View or Site Recovery Manager To separate environments, for example by business unit, tenant, organization, or environment […]
Configure and Manage DHCP/DNS/NAT Understand proper use and addition of a DHCP IP Pool NSX Edge supports IP address pooling and one-to-one static IP address allocation. Static IP address binding is based on the vCenter managed object ID and interface ID of the requesting client. NSX Edge DHCP service adheres to the following guidelines: Listens […]
Objective 6.1: Configure and Manage Logical Load Balancing Describe and understand when to use the two topologies for load balancing NSX edge LB enables net traffic to pass through multiple paths to a specific destination, to optimal resource optimization. It handles traffic up to L7, mapping eternal (or public) IP address to a set of […]
Objective 5.4: Configure and Manage Logical Routers Dynamic routing provides the necessary forwarding information between layer 2 broadcast domains, thereby allowing you to decrease layer 2 broadcast domains and improve network efficiency and scale NSX extends this intelligence to where the workloads reside for doing East-West routing. This allows more direct virtual machine to virtual […]
Objective 4.3: Upgrade Existing vCNS/NSX Implementation Based on a given upgrade scenario, identify requisite steps and components for upgrading to NSX 6.x Before you install or upgrade NSX, consider your network configuration and resources. You can install one NSX Manager per vCenter Server, one instance of Guest Introspection and Data Security per ESXi host, and […]
Objective 4.1: Configure Environment for Network Virtualization Comprehend physical infrastructure configuration for NSX Compute, Edge and Management clusters (MTU, Dynamic Routing for Edge, etc.) Physical infrastructure configuration: MTU: must be >=1600 (configure it at switch and vSwitch level). Note: quite all new switches uses have preconfigured jumbo frames (9000 bytes), check switch vendor documentation before […]
Objective 3.2: Configure and Manage vDS Policies Compare and contrast common vDS policies Virtual Switch Objects Where Policies Apply for vSphere Distributed Switch: Distributed port group –> When you apply policies on a distributed port group, the policies are propagated to all ports in the group Distributed Port –> You can apply different policies on […]
Objective 3.1: Configure and Manage vSphere Distributed Switches (vDS) Compare and contrast vDS capabilities Provides centralized management and monitoring of the networking configuration of all hosts that are associated with the switch. consists of two logical section: data plane implements the package switching, filtering,tagging, and so on management plane is the control structure that you […]
Objective 2.1: Compare and Contrast the Benefits of Running VMware NSX on Physical Network Fabrics Fabrics Differentiate physical network topologies – Note about leaf-spine architecture With Leaf-Spine configurations, all devices are exactly the same number of segments away and contain a predictable and consistent amount of delay or latency for traveling information. This is possible […]
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