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HP 3500YL

HP 3500YL
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Configuring MST Instance Parameters . . . . . . . . . . . . . . . . . . . . . . . . . 4-39
Configuring MST Instance Per-Port Parameters . . . . . . . . . . . . . . . . . 4-41
Enabling or Disabling Spanning Tree Operation . . . . . . . . . . . . . . . . . 4-44
Enabling an Entire MST Region at Once or
Exchanging One Region Configuration for Another . . . . . . . . . . 4-44
MSTP VLAN Configuration Enhancement . . . . . . . . . . . . . . . . . . . . . . 4-46
PreConfiguring VLANs in an MST Instance . . . . . . . . . . . . . . . . . 4-47
Configuring MSTP Instances with the VLAN Range Option . . . . 4-48
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
5 Switch Meshing
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Switch Meshing Fundamentals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Operating Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Using a Heterogeneous Switch Mesh . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Bringing Up a Switch Mesh Domain . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
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