Extreme Networks EPICenter 7.1 Getting Started Manual page 38

Figure 6 Discovering Devices to Add to the EPICenter Database
Note that you must provide the SNMP read community string to enable
EPICenter to get information from the devices it finds. If your devices do
not all use the same read community string, you will need to add each set
of devices as a separate specification, as shown in the example.
When you run the discovery, EPICenter returns a list of all the devices it
has found within the parameters you provided, as shown in Figure 7.
It does not automatically add these devices to the EPICenter inventory;
you must select and add the devices either individually or in groups.
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EPICenter Getting Started Guide