To override the global communication settings for a particular host, you can establish custom settings:
In the Explorer pane, expand the Elements root element > the top-level SNMP Integrator adapter element.
Right-click a host, then select Properties to open the Status property page.
In the left pane, click Host/Device to open the Host/Device property page.
Click Communication Settings.
Select the Use custom settings for this host/device check box.
Specify the poll and integration settings for the host.
For information on specific settings, see Section 5.1, Configuring Global Communication & Protocol Settings.
Click Apply to save changes.