Auto-discovery parameters
The autodiscovery mechanism provides an automatic parent discovery based on network probes for which the AutoDiscovery module must provide the list of available relays. The autodiscovery results are processed in sequence taking into account the priorities; two relays with the same priority will be processed arbitrarily.
Parameter | Description |
|---|---|
Address Range | The list of addresses to be verified. The IP addresses can be listed in the following different notations:
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Can Learn | If set to true, this value specifies if the agent can get other agents' autodiscovered devices in order to establish its list. |
Fast Address Verification Interval (sec) | Defines a fast search option to find the client's relay. This parameter is used each time a relay is selected. As soon as a relay is selected, this parameter is no longer used and the Address Verification interval parameter is used instead. Note that change from Fast Address Verification interval to Address Verification interval is linked to Scan Count change which only occurs once the scan count value is reached. |
HTTP Port Range | The range of ports to scan for an agent HTTP server. All specified port ranges is scanned for ALL listed IP address ranges! If no port range is specified only default ports 1610 and 8080 is scanned. |
Maximum Device Age (sec) | The maximum age in seconds for an entry in the device list. This displays the maximum time a device can stay in the list of devices after last being verified. |
Maximum Hop Count | The number of routers between the device providing the list and the device being read. The hop count is determined at discovery time using the ping. It provides an indication of the distance between the two devices and is used at the time of relay selection to sort the devices which are farther to the end of the list of relays being contacted. For example, all devices on the same LAN segment have a hop count of 0 as they can contact each other directly. |
Number of Neighbors | Defines how many neighboring addresses to scan. The default value is 10, meaning 5 addresses below the device's own address and 5 addresses above it. |
Only Learn Relays | Defines if the complete list of autodiscovered devices is sent to the master or if only the list of relays is uploaded. |
Operating System Detection | Specifies if the operating system is discovered on the device found by AutoDiscovery. |
Same Network Only | Specifies if devices found on other networks are to be accepted. The possible values are the following:
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Scan Count | Each time scan count addresses have been verified, the module refreshes the list of addresses to verify by using the Address Range, Number of Neighbors and Use Network Neighborhood settings. |
Timeout (sec) | The timeout in seconds for pings. |
TCP Port Range | The range of ports to scan for a TCP connection. This is used in place of ping when raw sockets are not available. All specified port ranges is scanned for ALL listed IP address ranges! If no port range is specified only default ports 23, 25 and 139 is scanned. Each port range can consist of:
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Upload AutoDiscovery Objects | Defines if the objects discovered by the AutoDiscovery are uploaded. |
Upload Interval (sec) | Defines the upload period for the autodiscovered list in seconds. If it is set to 0, no uploads are configured by the module, but they can still be managed through operational rules. The setting only configures the upload of existing data, it does not include an update of the inventory. |
Upload on Startup | Defines if the autodiscovered list is uploaded to the master after being updated the first time on agent startup. It is not recommended to activate this option as, depending on the size of your network, this might be a very time and resource consuming process. |
Use Network Neighborhood | Defines whether the network neighborhood should be used to get machine names and addresses. |
Address Verification Interval (sec) | The gap in seconds between each address verification. |
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