Barracuda SSL VPN V Series, Руководство пользователя, Страница: 9 / 96

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The Barracuda SSL VPN is available as a virtual appliance. Because it is mostly used after office hours, it is suitable a server m on hosting virtual
achines that are used intensely during office hours but sit idle for the rest of the time. You can pair a Barracuda SSL VPN Vx with a hardware
Barracuda SSL VPN appliance to create a high availability cluster. With a load balancer, you can create a configuration that uses the resources of
the hardware Barracuda SSL VPN during the day when the is under high load and then use the virtual Barracuda SSL VPN to cover hypervisor
the peak load in the evening when employees log in from home.
Deploying the Barracuda SSL VPN Vx
To deploy the Barracuda SSL VPN Vx, complete the following tasks:
Size the CPU, RAM, and Disk for your Barracuda SSL VPN Vx .
Deploy the Barracuda SSL VPN Vx virtual images .
(For VMware ) Enable Promiscuous mode on VMware for the Barracuda Network Connector hypervisors .
Set up the Barracuda SSL VPN with the Quick Start Guide Vx .
Sizing CPU, RAM, and Disk for Your Barracuda SSL VPN Vx
Barracuda Networks recommends the following sizing for the initial deployment of your virtual appliance or the upgrade of existing installations.
Virtual Machine Sizing Requirements
Barracuda SSL VPN Vx Model Licensed Cores Recommended RAM Recommended Hard Disk
Space
V180 1 1 GB 50 GB
V380 2 1 GB 50 GB
V480 3 2 GB 50-200 GB
V680 4 4 GB 200-500 GB
V680 + additional cores license Limited only by license 1 GB per core 500+ GB
Provisioning CPUs/Cores
You must provision the number of cores in your hypervisor before the Barracuda SSL VPN Vx can use them. Each model can only use a set
number of cores. For example, if you assign 6 cores to the Barracuda SSL VPN Vx 380 (which can only use 2 cores), the virtual machine turns off
the extra cores that cannot be used.
To add cores:
Shut down your hypervisor.
Go into the virtual machine settings.
Add CPUs. The number of available CPUs that are shown will vary with your hypervisor licensing and version. In some cases, the
number of CPUs that you can add must be a multiple of 2.
Provisioning Hard Drives
Provision your hard disk space according to the table. Barracuda Networks requires a minimum of 50 GB of Virtual Machine Sizing Requirements
hard disk space to run your Barracuda SSL VPN Vx.
From your hypervisor, you can either edit the provisioned size of the hard drives or add a hard drive.
To add a hard drive:
Shut down your Barracuda SSL VPN Vx.
Recommended VMware Provisioning Format
If you are using VMware, note that VMware tools support thin provisioning, which is not currently available in the virtual product lines.
Barracuda Networks recommends using the provisioning format when allocating disk storage for your Barracuda Networks THICK
virtual machine.