181Using Optivity Switch Manager, Release 1.1.0.0Appendix BTroubleshooting and error messagesResolving problemsTable 56 describes common Optivity Switch Manager problems and solutions.Error messagesTable 57 describes Optivity Switch Manager messages and their meanings.Table 56 Optivity Switch Manager problems and solutionsProblem SolutionOptivity Switch Manager does notdisplay all network devices in thetopology map.• Use the ping command to verify that thenetwork device is connected.• Choose Edit > Preferences, and verify that theAutomatically Relayout after discovery check boxis selected in the Map section.• Increase the maximum hop count in thePreferences dialog box.Some devices have timed out. View the error log to determine if the timeout is dueto the following, and take the recommended action:• Invalid read-community string–add the correctcommunity in the Edit Communities dialog box.• Slow network–Increase the retry count in theSNMP section of the Edit Preferences dialog box.• NMS socket overflow–Set the Max OutstandingRequests in the SNMP preferences section of theEdit Preferences dialog box.
