Thursday, April 3, 2014

vCNS Edge Step by Step - 1/2


To make VMware vCloud Director failure proof and more resilient you would need to install more than one vCloud cell. But to have the best experience you need to put a load balancer in front of them, this way you have just a single cloud name to access and configure it on others systems, leaving the load balancer taking care of directing the connections to each cell.

While most of the load balancer on the marketing are supposed to work with vCloud, as long as they support persistent SSL connections and SSL passthrough mode, there are clients which dont have any Load Balancer or even don’t realize that vCloud comes with a viable option, vCNS Edge, it’s part of vCloud Suite License, so no extra costs associated with this implementation.

Let’s see how we can implement vCNS Edge to work as a Load Balancer for vCloud.

This first post will be how to deploy vCNS Edge, which depends on the vCNS Manager.
If you don’t have vCNS Manager working already, go back to this post and learn how to deploy it.


- On the Home page of vCenter click on vShield Icon


 - Expand the Folder Datacenters and select the Datacenter where vCNS Edge will be deployed


- Select the Network Virtualization tab and the click on the PLUS sign to create a new Edge


 - Give it a Name and a description, also to make it more reliable enable HA and click Next

 Edge HA is NOT the same as Fault Tolerance or vCenter HA, it's more a kind of a clustering solution, if you want to learn more about Edge HA here you can find more information.

 - Set a password for Admin account and click Next

 - Select the Appliance Size, I recommend Large, enable Auto Rule Generation and then click on the plus sign to set up where Edge will be created

If you want more information about Edge Size, check KB2042799

- Specify Cluster, Datastore, Host and Folder than click Add



- Click on the PLUS sign to configure the vCNS Edge interfaces

vCNS Edge can have up to 10 NICs so you can spread your traffic over them, I recommend one for Management and one for the vCloud Load Balanced traffic.

- Give it a Name, click on Change to select what Portgroup it will be connect to and then click on the PLUS sign to attribute it’s IP and Subnet

Remember: the VIP for vCloud HTTP and Remote Console will need to be configure first on the Edge before you can set up your Load Balance rules.
 
- Click on the plus sign to add the IP information. 

The Primary IP is the one used to manage the appliance.

- Configure it’s Default Gateway and click Next

 - Configure the Firewall, if you choose the default rule to Deny you will need to manually configure the ports allowed later, it’s up to you. Click Next

 Also you could set up a different NIC and IPs for the vCNS Edge HA to communicate.
In favor of simplicity I do not specify anything, this way HA will use the primary NIC for heartbeat.

- If everything is correct, click Finish



Once it’s deployed we can start using it.



Next post I will show you how to configure the Load Balance rules for vCloud Connector…

Stay Tunned ; )

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I’m and IT specialist with over 15 years of experience, working from IT infraestructure to management products, troubleshooting and project management skills from medium to large environments. Nowadays I'm working for VMware as a Senior Consultant, helping customers to embrace the Cloud Era and make them succefully on this journay. Despite the fact I'm a VMware employee these postings reflect my own opnion and do not represents VMware's position, strategies or opinios.

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