12.
Configure the options on the Discovery Settings view, as detailed in the following steps.
a. Provide a Name and Description to distinguish the current discovery profile from other
profiles you may use to discover other network areas.
This Description displays next to the Name in the list of available network discovery
configurations on the Network Sonar view.
b. Position the slider or type a value, in ms, to set the SNMP Timeout.
If you are encountering numerous SNMP timeouts during Network Discovery, increase
the value for this setting. The SNMP Timeout should be at least a little more than double
the time it takes a packet to travel the longest route between devices on your network.
c. Position the slider or type a value, in ms, to set the Search Timeout.
The Search Timeout is the amount of time Network Sonar Discovery waits to determine
if a given IP address has a network device assigned to it.
d. Position the slider or type a value to set the number of SNMP Retries.
This value is the number of times Network Sonar Discovery will retry a failed SNMP
request, defined as any SNMP request that does not receive a response within the
SNMP Timeout defined above.
e. Position the slider or type a value to set the Hop Count.
If the Hop Count is greater than zero, Network Sonar Discovery searches for devices
connected to any discovered device. Each connection to a discovered device counts as a
hop.
f. Position the slider or type a value to set the Discovery Timeout.
The Discovery Timeout is the amount of time, in minutes, Network Sonar Discovery is
allowed to complete a network discovery. If a discovery takes longer than the Discovery
Timeout, the discovery is terminated.
g. If you only want to use SNMP to discover devices on your network, check Use SNMP
only.
By default, Network Sonar uses ICMP ping requests to locate devices. Most information
about monitored network objects is obtained using SNMP queries.
13. If multiple Orion polling engines are available in your environment, select the Polling Engine
you want to use for this discovery.
For nodes already being monitored within UDT, if you want to change the polling engine with which a
node is associated, see "Changing Polling Engine Node Assignments".
14. Click Next.
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