Friday, August 26, 2011

Cisco Nexus 1000v Software Installation (Part 4)

In the last post, I configured the VMWare stock vSwitch to allow us to start the Nexus 1000v install.  I forgot to mention one thing that I usually do (it's not required) to help with mapping physical ports.  The VMWare vSwitch supports CDP, but is usually set to listen only.  To change it so that it will send out CDP packets you need to do the following:
  1. Using the VMWare vCLI either from a desktop of the vMA appliance run the following command: vicfg-vswitch -server <servername> -B both vSwitch0
  2. Repeate for all of the ESX Hosts in the cluser.
The next step in the Nexus 1000v installation is to install the Virtual Supervisor Module (VSM)  VM appliance(s).

Deploying the Virtual Supervisor Module (VSM)

  1. Download and decompress the Nexus 1000v software from Cisco.
  2. Open up the vSphere Client and connect to vCenter.
  3. Go to File and then Deploy OVF Template.
  4. Select the OVF file under the Nexus 1000v VSM install folder.
  5. Accept the details and the EULA.
  6. Give the VSM a name and choose next.
  7. Choose the ESX data store for the VSM and choose next.
  8. Choose thick provisioned and click next. (NOTE: Thin provisioning is not supported by Cisco for the VSM.)
  9. Map the virtual NICs to the appropriate port groups on the vSwitch.
  10. Power up the VSM and connect to its console using vSphere client.
  11. Once booted, go through the text based administrative setup to configure the following:
    • Administrative user password
    • Role (Standalone/primary/standby)  The first VSM will be primary unless it is to be the only VSM and then it would be standalone.
    • Domain ID.  This number serves to tie VSMs to a VEM and to vCenter.  Each Nexus 1000v instance must have a unique domain ID.
  12. Continue with the basic system configuration including:
    • SNMP Read-Only community string
    • Naming the switch
    • Assigning the management IP address settings
    • Enabling or disabling services.  NOTE: Make sure http and ssh are enabled as they are used later in the process.
  13. Open up a web browser to http://<nexus1000vIPaddress/ and click on "Launch Installer Application" (Requires Java Web Start and doesn't seem to currently work with Chrome).
  14. Give the wizard the credentials for the VSM that you created earlier.
  15. Give the wizard the credentials for accessing vCenter and the vCenter IP Address.
  16. Select the cluster where the VSM is installed.
  17. Assign the proper VLANs to the VSM's virtual NICs by choosing advanced L2 and then chose the proper port groups.
  18. Configure settings for the VSM.
  19. Review the configuration.
  20. Tell the wizard not to migrate any hosts or VMs and let it finish.  It will reboot the VSM multiple times before reporting that it is done.

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