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Device Configuration Settings Overview

 

Device configuration contains the configuration settings for a managed device, such as interface, routing, and authentication settings. You can edit configurations after you add or import a managed device, or create configurations when you model a device. When you are satisfied with your changes, you can then update the managed device with the modeled device configuration to make your changes take effect.

Note

When you open a device for viewing or editing, the NSM UI loads the entire device configuration into memory to enhance UI performance while configuring the device. When you close a device to which you made changes, the UI unloads some of the device configuration from the client memory. Although this memory optimization occurs quickly, you might see the following message appear: “Optimizing client memory usage for device.”

NSM does not support all device configuration settings. You may need to make some changes to the device directly using a Web UI or CLI. Additionally, some changes can affect the management connection between the NSM device server and the managed device.

About Configuring Security Devices

A security device provides perimeter and boundary protection using data encryption, authentication, access control, and some attack detection and prevention. Firewalls and virtual private networks (VPNs) are designed for high speed operation at the Network Layer.

While firewalls provide protection, there are attacks contained within the allowed traffic that firewalls are not designed to detect.

About Configuring Extranet Devices

NSM also enables you to configure an existing extranet device (that is, a third-party router). You can do this by creating a script to perform the required actions on the extranet device.

Add the extranet device in the Device Manager, and then configure the required metadata in a shared object in the Object Manager under “Extranet Policies.” This data may include: credential information (user/password), IP address, interface list, comments, action script, and other additional data. When you update the device, the specified script is invoked. The device update job displays the XML output.