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| Running Network Discovery |
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| Running Network Discovery |
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A primary application for NetMRI is discovering the network and all its infrastructure devices.
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If you are migrating your NetMRI platform to the current release, see Discovery with an Existing NetMRI Platform.
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Infrastructure devices are devices that form the network infrastructure. See Infrastructure Devices List for currently supported devices. |
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You can change discovery settings at any time either through the Setup Wizard (Settings icon –> Setup –> Setup Wizard) or through individual Settings pages (such as Settings icon –> Setup –> Discovery Settings). You can also flexibly define discovery blackouts at the network, discovery range, device group, and device level to prevent discovery protocols and traffic from occupying network bandwidth at inopportune times, such as latency-sensitive trading or video applications operating during daytime hours. For information, see Configuring Network Discovery Settings and Defining Blackout Periods. |
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- Network Views: NetMRI uses network views to create separate management domains for your networks and devices, including VRF-based virtual networks. You manage every network, including virtual networks, through a separate network view. For more information, see Configuring Network Views.
- Scan Interfaces: You configure scan interfaces to physically or logically connect to multiple networks, enabling discovery and management in different network domains. Every scan interface you create maps to a network view. For more information, see Configuring Scan Interfaces.
- Discovery Settings: You specify the IP prefixes, also called discovery ranges, to define the IP address space that is managed on each network. Another key setting is called a seed router, which is a gateway routing device considered to help speed discovery across more network spaces. For more information, see Configuring Network Discovery Settings.
- SNMP and CLI Credentials: NetMRI requires SNMP for most discovery tasks. Many discovery and data collection tasks, including VRF discovery, also require the use of CLI and Enable password credentials to access device configurations. You collect and add these values to NetMRI through a Credentials page. For more information, see Adding and Editing Device Credentials.
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| Viewing Device Discovery Status and Re-Discovering a Device |
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| Viewing Device Discovery Status and Re-Discovering a Device |
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Viewing Device Discovery Status and Re-Discovering a DeviceTo view discovery status for any device, open the Device Viewer by navigating to Network Explorer -> Discovery and clicking a device link, or Device Viewer -> Settings & Status –> Management Status. You will see the Management Status for the device. This is an important block of information that immediately describes the effectiveness of communications to the device by NetMRI.
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