Table of Contents
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Spanning Tree Configuration Summary ......................................................................................................... 9-1
Overview: Single, Rapid, and Multiple Spanning Tree Protocols ............................................................. 9-1
Spanning Tree Features .......................................................................................................................... 9-2
Loop Protect ............................................................................................................................................. 9-2
Configuring Spanning Tree Bridge Parameters .............................................................................................. 9-3
Purpose .................................................................................................................................................... 9-3
Commands ............................................................................................................................................... 9-4
show spantree stats............................................................................................................................ 9-5
set spantree........................................................................................................................................ 9-7
show spantree version........................................................................................................................ 9-7
set spantree version ........................................................................................................................... 9-8
clear spantree version ........................................................................................................................ 9-8
show spantree bpdu-forwarding ......................................................................................................... 9-9
set spantree bpdu-forwarding............................................................................................................. 9-9
show spantree bridgeprioritymode ................................................................................................... 9-10
set spantree bridgeprioritymode ....................................................................................................... 9-10
clear spantree bridgeprioritymode .................................................................................................... 9-11
show spantree mstilist ...................................................................................................................... 9-12
set spantree msti .............................................................................................................................. 9-12
clear spantree msti ........................................................................................................................... 9-13
show spantree mstmap .................................................................................................................... 9-13
set spantree mstmap ........................................................................................................................ 9-14
clear spantree mstmap ..................................................................................................................... 9-14
show spantree vlanlist ...................................................................................................................... 9-15
show spantree mstcfgid .................................................................................................................... 9-15
set spantree mstcfgid ....................................................................................................................... 9-16
clear spantree mstcfgid .................................................................................................................... 9-16
set spantree priority .......................................................................................................................... 9-17
clear spantree priority ....................................................................................................................... 9-17
set spantree hello ............................................................................................................................. 9-18
clear spantree hello .......................................................................................................................... 9-18
set spantree maxage ........................................................................................................................ 9-19
clear spantree maxage ..................................................................................................................... 9-19
set spantree fwddelay....................................................................................................................... 9-20
clear spantree fwddelay.................................................................................................................... 9-21
show spantree backuproot ............................................................................................................... 9-21
set spantree backuproot ................................................................................................................... 9-22
clear spantree backuproot ................................................................................................................ 9-22
show spantree tctrapsuppress.......................................................................................................... 9-23
set spantree tctrapsuppress ............................................................................................................. 9-23
clear spantree tctrapsuppress .......................................................................................................... 9-24
set spantree protomigration .............................................................................................................. 9-24
show spantree spanguard ................................................................................................................ 9-25
set spantree spanguard .................................................................................................................... 9-25
clear spantree spanguard ................................................................................................................. 9-26
show spantree spanguardtimeout .................................................................................................... 9-27
set spantree spanguardtimeout ........................................................................................................ 9-27
clear spantree spanguardtimeout ..................................................................................................... 9-28
show spantree spanguardlock .......................................................................................................... 9-28
clear / set spantree spanguardlock................................................................................................... 9-29
show spantree spanguardtrapenable ............................................................................................... 9-29
set spantree spanguardtrapenable ................................................................................................... 9-30
clear spantree spanguardtrapenable ................................................................................................ 9-30
show spantree legacypathcost ......................................................................................................... 9-31
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