Specifications

set spantree version
6-8 Spanning Tree Configuration
set spantree version
UsethiscommandtosettheversionoftheSpanningTreeprotocoltoMSTP(MultipleSpanning
TreeProtocol),RSTP(RapidSpanningTreeProtocol)ortoSTP802.1D‐compatible.
Syntax
set spantree version {mstp | stpcompatible | rstp}
Parameters
Defaults
None.
Mode
Switchcommand,read‐write.
Usage
Inmostnetworks,SpanningTreeversionshouldnotbechangedfromitsdefaultsettingofmstp
(MultipleSpanningTreeProtocol)mode.MSTPmodeisfullycompatibleandinteroperablewith
legacySTP802.1DandRapidSpanningTree(RSTP)bridges.Settingtheversiontostpcompatible
modewillcausethebridgetotransmitonly
802.1DBPDUs,andwillpreventnon‐edgeportsfrom
rapidlytransitioningtoforwardingstate.
Example
ThisexampleshowshowtogloballychangetheSpanningTreeversionfromthedefaultofMSTP 
toRSTP:
C3(su)->set spantree version rstp
clear spantree version
UsethiscommandtoresettheSpanningTreeversiontoMSTPmode.
Syntax
clear spantree version
Parameters
None.
Defaults
None.
Mode
Switchcommand,read‐write.
mstp SetstheversiontoSTP802.1s‐compatible.
stpcompatible SetstheversiontoSTP802.1D‐compatib le.
rstp Setstheversionto802.1w‐compatible.