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Cisco Nexus 1000V – VMWare vSphere Distributed Switch – Part-II (Installing the Cisco Nexus 1000V VSM Using OVA or ISO Files )

Installing the Cisco Nexus 1000V VSM Using OVA or ISO Files 

Installing VSM Using OVA file

VSM Prerequisites

The Cisco Nexus 1000V VSM software has the following are prerequisites:
  • IP address for your new Nexus 1000V DS.
  • It will install on VCenter Server and VMware Update Manager (VUM) versions.
  • If you are using the OVA file for installation, make sure that the CPU speed is 2048 MHz or greater. If the CPU speed is less than 2048 MHz, then use ISO image for installation.
  • HA Role should already have identified for this VSM from the list in the following table.

HA Role
Single Supervisor System
Dual Supervisor System
Standalone (test environment only)


Verifying the Authenticity of the Cisco-Signed Image

  1. Download following files to a directory:
    • Nexus1000v.5.2.1.SV3.1.1.zip image
    • signature.txt file
    • cisco_n1k_image_validation_v_1_1 script
  2. Ensure that the script is executable.
    • chmod 755 cisco_n1k_image_validation_v_1_1
  3. Run the script.
    • ./cisco_n1k_image_validation_v_1_1 -s signature.txt Nexus1000v.5.2.1.SV3.1.1.zip
  4. Check the output. If the validation is successful, the following message displays:
    "Authenticity of Cisco-signed image Nexus1000v.5.2.1.SV3.1.1.zip has been successfully verified"
OVA Installation Steps:

  • Log in To VCenter Server.

  • Click on File>>Deploy OVF Template

  • Select OVA File from downloaded directory.

  • Verify the OVA image info and click next.

  • Accept EULA
  • Select DataCenter and Cluster path where you want to install the DS
  • Select the Deployment option.
  • Select Storage and Disk Format
  • Network Mapping 
  • Provide IP and subnet information.
  • Verify all the configuration parameters and click on finish.
  •  Setup will start Deploying VSM
  • Once it is completed you will get below massage
  • Once installation completed successfully, power on the Switch for future configuration

Follow below steps to Installing VSM Using ISO file

  • Using your VMware documentation, attach the VSM ISO image to the virtual CD-ROM and copy the software to a virtual machine (VM).
  • Make sure that the VSM VM is powered off.
  • In the vSphere client Virtual Machine Properties window Hardware tab, choose Memory.
  • In the Memory Size field, choose 4 GB.
  • In the Resources tab, choose Memory.
  • In the Reservation field, choose 4096 MB.
  • In the Resources tab, choose CPU.
  • In the Reservation field, choose 2048 MHz.
  • Click OK.
  • The VSM VM memory and CPU speed settings are saved in VMware vSphere Client.
  • Right-click the VSM and choose Open Console.
Stay tuned on www.systemadminworld.com to know how to configure Cisco Nexus 1000V

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