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How to use load balancing and failover in OpenVPN?
The OpenVPN client configuration can refer to multiple servers for load balancing and failover. For example: will direct the OpenVPN client to attempt a connection with server1, server2, and server3 in that order.
What happens if a connection is broken in OpenVPN?
If an existing connection is broken, the OpenVPN client will retry the most recently connected server, and if that fails, will move on to the next server in the list. You can also direct the OpenVPN client to randomize its server list on startup, so that the client load will be probabilistically spread across the server pool.
How to randomize server list in OpenVPN?
You can also direct the OpenVPN client to randomize its server list on startup, so that the client load will be probabilistically spread across the server pool. If you would also like DNS resolution failures to cause the OpenVPN client to move to the next server in the list, add the following:
Can a server run multiple OpenVPN daemons?
If your servers are multi-processor machines, running multiple OpenVPN daemons on each server can be advantageous from a performance standpoint. OpenVPN also supports the remote directive referring to a DNS name which has multiple A records in the zone configuration for the domain.
How to create an Elb load balancer in AWS?
Choose Alias to Application and Classic Load Balancer or Alias to Network Load Balancer, then choose the Region that the endpoint is from. If you created the hosted zone and the ELB load balancer using the same AWS account – Choose the name that you assigned to the load balancer when you created it.
How does Elastic Load balancing work in Amazon EC2?
If you host a website on multiple Amazon EC2 instances, you can distribute traffic to your website across the instances by using an Elastic Load Balancing (ELB) load balancer. The ELB service automatically scales the load balancer as traffic to your website changes over time.
How to route traffic to a load balancer?
The default value is the name of the hosted zone. For example, if the name of the hosted zone is example.com and you want to use acme.example.com to route traffic to your load balancer, enter acme . If you are using the Quick create record creation method, turn on Alias .