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iv OmniSwitch Troubleshooting Guide September 2005
Verify Source Learning ...................................................................................................2-6
Verify Switch Health .......................................................................................................2-7
Verify ARP ......................................................................................................................2-7
Using the Log File ...........................................................................................................2-8
Checking the 7700/7800 Nantucket Fabric ..............................................................2-8
Checking the 7700/7800 Nantucket Fabric for Interrupts, Data Counts and
Error Counts ............................................................................................................2-9
Checking the Traffic Queue on the NI .....................................................................2-9
Check for Catalina (MAC) or Port Lockup ............................................................2-10
Chapter 3 Troubleshooting Source Learning .........................................................................3-1
In This Chapter ................................................................................................................3-1
Introduction .....................................................................................................................3-2
Troubleshooting a Source Learning Problem .................................................................3-3
Advanced Troubleshooting .............................................................................................3-5
Dshell Troubleshooting ...................................................................................................3-7
OS-6600 .................................................................................................................3-10
Chapter 4 Troubleshooting Spanning Tree ............................................................................4-1
In This Chapter ................................................................................................................4-1
Introduction .....................................................................................................................4-1
Troubleshooting Spanning Tree ......................................................................................4-2
Dshell ..............................................................................................................................4-5
Generic Troubleshooting in Dshell ...............................................................................4-10
Event Trace (stpni_traceprint) ................................................................................4-10
PORTATCH ....................................................................................................4-11
PORTDELE .....................................................................................................4-11
ADDVLAN .....................................................................................................4-11
MODVLADM .................................................................................................4-12
MODVLSTP ....................................................................................................4-12
ADDQTAG .....................................................................................................4-12
DELQTAG ......................................................................................................4-12
MDEFVLAN ...................................................................................................4-13
PORTAGGR ....................................................................................................4-13
PORTDISG ......................................................................................................4-13
AGGR_UP .......................................................................................................4-13
AGGRDOWN .................................................................................................4-13
PORTJOIN ......................................................................................................4-14
PORTLEAV ....................................................................................................4-14
BRGPARAM ...................................................................................................4-14
PTSTPMOD ....................................................................................................4-15
PORTMOD ......................................................................................................4-15
PORTVLBK ....................................................................................................4-15
PVLANBLK ....................................................................................................4-15
GMBPDU ........................................................................................................4-16