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OmniSwitch Troubleshooting Guide September 2005 v
GMIGBPDU ....................................................................................................4-16
GM2FIXED .....................................................................................................4-17
VMADDVPA ..................................................................................................4-17
VMDELVPA ...................................................................................................4-17
VMDEFVPA ...................................................................................................4-17
TOPOCHGT ....................................................................................................4-18
LINK_UP ........................................................................................................4-18
LINKDOWN ...................................................................................................4-18
NI_UP ..............................................................................................................4-18
NI_DOWN ......................................................................................................4-18
Physical and Logical Port Dumps ..........................................................................4-19
Logical Ports (stpni_debugLport) ....................................................................4-19
Physical Port (stpni_debugPport) ....................................................................4-20
Physical and Logical Port Trace Display (stpni_debugport) ...........................4-22
Socket Handler Traces ...........................................................................................4-22
stpNISock_globals ...........................................................................................4-22
stpNISock_warningprint ..................................................................................4-23
stpNISock_traceprint .......................................................................................4-23
Inter-NI Trace (stpNISock_intraceprint) .........................................................4-24
Time-out Trace (stpNISock_totraceprint) .......................................................4-24
Board Up (stpNISock_boardupprint) ..............................................................4-24
stpNISock_printon ...........................................................................................4-24
StpNISock_printoff .........................................................................................4-24
CMM Spanning Tree Traces ..................................................................................4-25
Trace Menu ......................................................................................................4-25
stpCMM_traceprint .........................................................................................4-25
Writing a PR for Spanning Tree ....................................................................................4-26
Exception in Spanning Tree (NI and CMM case) ..................................................4-26
Port Does Not Forward ..........................................................................................4-26
Spanning Tree Unchanged When Port State Has Changed ....................................4-27
Other Cases ............................................................................................................4-27
Chapter 5 Troubleshooting BOOTP/DHCP/UDP Relay ........................................................5-1
In This Chapter ................................................................................................................5-1
Starting the Troubleshooting Procedure ..........................................................................5-1
Use a Network Diagram ...........................................................................................5-2
Use the OSI Model to Guide Your Troubleshooting ...............................................5-2
UDP Relay Configuration Problems ........................................................................5-2
Incorrect Server IP Address ...............................................................................5-2
Forward Delay Timer ........................................................................................5-3
Displaying DHCP Statistics ..............................................................................5-3
UDP Relay and Group Mobility ...............................................................................5-4
Advanced Troubleshooting for UDP Relay ....................................................................5-5
Dshell ..............................................................................................................................5-6
Chapter 6 Troubleshooting DNS ................................................................................................6-1
In This Chapter ................................................................................................................6-1
Introduction .....................................................................................................................6-1