Virtual Ramblings

Tag: Nutanix

8 min read

Identify the physical switch configuration necessary to support a given AOS networking feature

3-Tier Network Architecture Core layer Considered the backbone of networks Largest, fastest, yet also most expensive routers Used to merge geographically separated networks Purpose: Move data across network at highest possible speed Aggregation (aka Distribution) layer Located between access and core layers Purpose: provide boundary definition by implementing access lists (filters) Defines policy for the…

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5 min read

Utilize network CLIs to manage OVS (Open vSwitch) instances and make changes to multiple nodes

Open vSwitch (OVS) Open vSwitch, or OVS, in short is an open source software switch. It is installed and run in the Linux kernel. It mimics a Layer 2 switch. In other words, it learns MAC addresses and maintains a MAC address table. It makes forwarding decisions based on these MAC addresses. It has virtual…

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4 min read

Manage bridges and uplinks

Default AHV Network Configuration After Foundation is complete, by default: CVM attached to bridge br0 and virbr0 All physical NICs inside bond br0-up Active/Backup bond mode More information about Bond Options can be found here. Best Practice Configuration Single OVS bridge – br0 1 Gbps ports removed from br0 Default bond mode (Active/Backup) manage_ovs —bridge_name…

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2 min read

Describe and differentiate Network Segmentation for CVM-CVM/CVM-Hypervisor/CVM-Intranet

Default untagged VLAN for CVM and AHV host The setup shown here well for situations where the switch administrator can set the CVM and AHV VLAN to untagged.  Tagged VLAN for CVM and AHV host If you do not want to send untagged traffic to the AHV host and CVM, or if security policy doesn’t…

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7 min read

Configure and utilize Network Visualization

The network visualization page in Prism makes use of SNMP and LLDP to find info about the connected top of rack switch. SNMP is used to get switch information like the name, ports, and port statistics. LLDP is used by the AHV hosts to find out which Nutanix node is plugged into which switch port….

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13 min read

Based on a given scenario, administer and manage Nutanix data protection solutions

Data Protection Strategy The below image is a representation of the capabilities that the Nutanix solution offers across the entire data protection spectrum. Nutanix offers a natively integrated solution for data protection and continuous availability at VM granularity. It gives administrators an affordable range of options to meet the recovery point objectives (RPO) and recovery…

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17 min read

Demonstrate how to install and configure synchronous replication for multiple hypervisors

Synchronous Replication is a feature where data is synchronously replicated between two sites in metro availability configuration. In an event of a disaster on any one site, real-time data is available on the other site. The protection domain can be configured for ​metro availability or ​for synchronous replication depending on the following: Metro availability: The…

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4 min read

Perform unattended installation and configure Nutanix Guest Tools (NGT)

What is Nutanix Guest Tools? As a recap, let’s revisit what is included in the Nutanix Guest Tools (NGT) Bundle: Nutanix Guest Agent (NGA) Service: This provides CVM-to-VM communication. File Level Restore (FLR) CLI: Exactly what it sounds like. This allows users to recover files without the need of an administrator. Nutanix VM Mobility Drivers:…

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