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NAT devices enable a company to use more internal IP addresses than they have assigned to managed appliances. The IP addresses are not exposed outside of the NAT device.

NAT devices are typically used with a DSL broadband router. A DSView 3 software client is connected to the NAT device, as shown in Figure 1.6, which then connects to the corporate network using a VPN.

Figure 4.3: Single NAT Configuration (Client Only)

Table 4.6: Single NAT Configuration (Client Only) Descriptions

Number Description Number Description 1 DSView 3 Software Client 7 Firewall

2 Private 8 Private

3 NAT Device 9 DSView 3 Server

4 Client 10 Managed Appliance

5 Public 11 Corporate

6 VPN

Another scenario, shown in Figure 4.4, is when the corporate site also uses a NAT device to save IP addresses (double-NAT). Since the DSView 3 software client is trying to access a private resource inside the corporate site, the TCP/IP ports used for HTTPS and the proxy server must be configured to be exposed on the corporate NAT device.

Figure 4.4: Double-NAT Configuration (Client and Corporate)

Table 4.7: Double-NAT Configuration (Client and Corporate) Descriptions

Number Description Number Description 1 DSView 3 Software Client 7 NAT Device

2 Private 8 Private

3 NAT Device 9 DSView 3 Software Server

4 Client 10 Managed Appliance

5 Public 11 Corporate

6 VPN

Licenses

License keys permit the operation of the DSView 3 management software on the hub server. They also specify the number of managed devices that may be controlled by the software and spoke servers allowed on a system. Managed devices include physical servers, routers, switches, firewalls, blade chassis, hypervisor managers, hypervisor servers, virtual machines and any other target device that can be managed by the DSView 3 software. If a managed device is available through multiple connection methods, the managed device requires only one license as long as it is merged into a single connection in the DSView 3 software.

Licenses may also be required to enable additional features. See Table 4.8 for more information. A demonstration (demo) license key may also be used for a trial period. When the trial elapses, login attempts will fail. A demo license key may be replaced with another demo license key or a permanent license. If additional license keys are added during the trial and the demo key expires, the add-on keys will have to be re-entered when a new license key is installed. Contact Avocent for information about obtaining licenses.

To display license information: 1. Click theSystemtab.

2. ClickLicensesin the top navigation bar.

3. ClickSummaryin the side navigation bar. The License Summary window will open. Table 4.8 describes the window fields.

Table 4.8: License Summary Fields

Section Field Description

Installation Key or

Demo Install Key Serial Number

Serial number encoded in the license key for the DSView 3 software hub.

Managed Devices Currently in Use

The total number of licenses for managed devices that can be added to and managed by the DSView 3 system.

Spoke Servers

Licensed Total number of licenses for spoke DSView 3 servers. Currently in

Use Number of licenses for spoke DSView 3 servers currently in use.

Section Field Description

Third Party Power Devices

Licensed

Total number of licenses for third party power devices. Unlimited indicates there are no restrictions on the number of power devices that can be added.

Currently In

Use Number of licenses for third party power devices currently in use. Plug-ins

Licensed Total number of license IDs for plug-ins. Currently In

Use Number of license IDs for plug-ins currently in use. Auditor Appliances

Licensed Total number of Auditor appliances licensed to be added as managed appliances.

Currently in

Use Number of Auditor appliance licenses currently enabled. Web Services API Licensed

Status of the Web Services API licensing; may be enabled or disabled. For more information, see the DSView 3 SDK GUI Access API and Web Services API Installer/User Guide. Child Zones Licensed Total number of zones that can be created.

AVR Appliances Licensed

Total number of non-Avocent KVM switches that can be managed. These switches are supported by plug-ins; see the corresponding plug-in documentation for specific requirements.

To display license keys: 1. Click theSystemtab.

2. ClickLicensesin the top navigation bar.

3. ClickLicense Keysin the side navigation bar. The License Keys window will open and list each installed license key and a description of the key. One of the following descriptions will display beside each key:

• Adds <number> Backup Server(s) - Adds <N> backup (spoke) DSView 3 servers. • Adds <number> Backup Server(s) and Unlimited Client Sessions - Combines the keys

for Adds <N> Backup Server(s) and Client Session Site License.

• Installation Key - Enables first use of the DSView 3 software and sets the initial number of backup DSView 3 servers.

• Demo License Key - Enables first use of the DSView 3 software for a certain period of time.

• Third Party Power Devices Site License - Increases the number of third party power devices that can be added to unlimited.

• Add <number> Third Party Power Devices - Increases the number of third party power devices.

• Add <number> Managed Devices - Increases the number of licensed managed devices. • Plug-in Id <number> License Key - Enables use of a plug-in for a specific appliance

type.

Adding a new license key