Settings - Probes & Discovery

Settings - Probes & Discovery

Settings in probes and discovery let you configure the settings to identify service tags, exclude devices from scans, identify unknown OIDS, and run scan scripts on workstations.

Role Required: SDAdmin
 

General 

Under the General tab, you can configure invalid service tags, enable MAC address identification during scan, set the workstation name format fetched, and automate scan history cleanup.
 
Configuring Invalid Service Tags:
During scan, the workstations and servers are uniquely identified based on their Service Tag, Name, and MAC address. When the service tags are incorrectly configured by the manufacturer, multiple machines may end up with identical service tags. This can lead to one workstation's details being replaced by another during a scan.

To prevent this, you can add a list of service tags to be ignored during the scan.
 
To configure invalid service tags,
  1. Go to Setup > Probes & Discovery > Settings > General.
  2. In the Configure Invalid Service Tag section, you will see the Invalid Service Tag list as shown below:
Click (+) to enter service tags, and click Add to add it to the list.

To delete a service tag, click the service tag you want to delete and click (-)
 
Enable/Disable MAC Address Identification during Scan:
During a scan, each workstation or server is uniquely identified by its service tag, name, or MAC address. However, MAC addresses may be the same in multiple machines, especially in VMware or machines connected through VPN.

You can choose to identify workstations based on MAC addresses by selecting Enable MAC Address Identification or Disable MAC Address Identification as preferred in the respective section
 
Workstation Name Format:
When scanning workstations/servers, details such as Name, DNS Domain Name, and Active Directory Domain Name can be fetched. You can customize the preferred name fetched for the workstations by choosing the appropriate options.
  1. Active Directory Domain Name: Displays the fully qualified domain name (FQDN) of the workstation or server based on Active Directory Domain Name.
  2. DNS Domain Name: Displays the fully qualified domain name of the workstations or server based on DNS Domain Name.
  3. None: Displays only the name of the workstation or server.
 
Scan History Cleanup:
Hardware/Software identified over a month ago will be automatically removed periodically.

You can adjust how long the device data is retained under the Scan History Cleanup section. Select the number of months you would like to retain the information.

 

Exclude Devices from Scan 

You can exclude certain workstations in your network from being scanned by specifying their hostnames, IP addresses, or IP address ranges.
 
To exclude devices from the scan,
  1. Go to Setup > Probes & Discovery > Settings > Exclude Devices.
  2. Click Exclude Devices.
  3. On the pop-up displayed, choose the parameter for exclusion.
  4. Choose the Exclude by options. You can choose to exclude devices by IP Address, IP Address range, or hostname.
  5. Finally, click Save.
 
The excluded devices will be added to the Excluded Devices list under this tab.
 

Unknown OIDs 

During a scan, SNMP devices in your network, such as routers, switches, printers, and access points, are identified using OIDs which helps in uniquely distinguishing the devices and their models.
 
In case the probe is not able to identify the model of a device, the details of that device along with its OID will be listed under the Unknown OID tab.
 
You can map the unknown OIDs to the correct product type and name. The probe will then use the mapped details from the next scan onwards.
 
You can also add a new unknown OID to map to a product.
 
To map an unknown OID,
  1. Go to Setup > Probes & Discovery > Settings > Unknown OID.
  2. Click New OID.
  3. In the pop-up displayed, enter the OID and the product in which it is identified.
  4. Select the product type that you want to map the unknown OID to from the drop-down.
  5. Specify the product name for the OID mapping.
  6. Provide a description for the mapping in the Sys Description field.
  7. Finally, click Save.
 

 

Scan Scripts  

There are certain conditions to be satisfied for a probe to scan the workstations successfully. You can find the requirements here.
 
If these conditions cannot be met, you can self-scan workstations using scan scripts. Scan scripts scan the machine where it is run and upload the scan results to the probe machine.
 
Scan scripts can be used on workstations within your network that have access to the probe, as well as on workstations outside the network that do not have access to the probe.
 
Please note that probe port 5454 must be accessible from the target workstation for self-scan to upload the scanned data to the probe.
 
To self-scan workstations, follow the steps below:

Step 1: Download Scan Script
  1. Go to Setup > Probes & Discovery > Settings > Scan Script.
  2. Download the SelfScan.exe (Windows) or Scan_Script.sh (Mac/Linux) using the link provided.
 
Step 2: Run the Scan Script
When the workstation is inside the network and has access to the probe,
  1. Run SelfScan.exe (Windows) or Scan_Script.sh (Mac/Linux) from the command prompt to scan a standalone workstation.
  2. To upload scan details to the probe, execute the .exe or .sh by mentioning the probe's hostname as the argument.
Windows
Mac/Linux
C:\SDPOD\SelfScanExe> SelfScan.exe <probehostname>
bash scan_script.sh <probehostname>     
 
When the workstation is outside the network and does not have access to the probe,
  1. Access the command prompt and go to the SelfScan.exe/Scan_Scrip.sh location.
  2. Generate API Key from Admin > Probe & Discovery > Settings > Scan Script page by clicking the corresponding link. Copy the self-scan API key.
  3. Execute the .exe or .sh along with the API key to upload the scan details to the cloud.
Windows
Mac/Linux
C:\SDPOD\SelfScanExe> SelfScan.ex
bash scan_script.sh apiKey=xxxxxxxxxxx..>       
 
The scan details will be communicated to the probe and uploaded into AssetExplorer Cloud.

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