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Multiple Instance Spanning-Tree Operation
Contents
Operating Notes for the VLAN Configuration Enhancement . . . 4-50
How to Save Your Current Configuration . . . . . . . . . . . . . . . . . . . 4-51
Displaying MSTP Statistics and Configuration . . . . . . . . . . . . . . . . . 4-53
Displaying Global MSTP Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-54
Displaying Detailed Port Information . . . . . . . . . . . . . . . . . . . . . . 4-56
Displaying Status for a Specific MST Instance . . . . . . . . . . . . . . . 4-57
Displaying the MSTP Configuration . . . . . . . . . . . . . . . . . . . . . . . 4-58
Troubleshooting an MSTP Configuration . . . . . . . . . . . . . . . . . . . . . . 4-62
Displaying the Change History of Root Bridges . . . . . . . . . . . . . . . . . 4-62
Displaying Debug Counters for All MST Instances . . . . . . . . . . . . . . . 4-65
Displaying Debug Counters for One MST Instance . . . . . . . . . . . . . . 4-66
Displaying Debug Counters for Ports in an MST Instance . . . . . . . . . 4-68
Field Descriptions in MSTP Debug Command Output . . . . . . . . . . . . 4-70
Troubleshooting MSTP Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-73
Loop Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-74
Configuring Loop Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-75
Viewing Loop Protection Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-76
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