5

PROBLEM SOLVING

 

This chapter covers:

checking the Windows Event Viewer for obvious problems,

resolving problems related to setting up 3Com Network Access Manager.

Checking the Event If you experience network access or RADIUS authentication problems on

Vieweryour network, first check the Windows Event Viewer to see whether the problem can be readily identified and corrected.

Follow these steps:

1Select Control Panel>Administrative Tools>Event Viewer.

2Select System from the Tree pane, and review the events in the log in the right hand pane, see Figure 29. IAS in the Source column indicates an event was generated by IAS. Use the information in the log to determine the reason an IAS connection attempt was either rejected or discarded. Click on any event to display more information about the event.

3Select 3Com Network Access Manager from the Tree pane, see Figure 30. Review the events in the 3Com Network Access Manager log to determine whether 3Com Network Access Manager has been set up correctly. Click on any event to display more information about that event, Figure 31 shows computer ‘S4400-45080’ granted network access to VLAN 2 with QoS Profile ID q2.

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3Com DUA1550-0AAA02 manual Problem Solving