The MIB module for managing Cisco extensions to the 802.1D Spanning Tree Protocol (STP).

MIB content (203 objects)


Cisco Systems, Inc.
Contact info
Cisco Systems Customer Service Postal: 170 W Tasman Drive San Jose, CA 95134 USA Tel: +1 800 553-NETS E-mail:


2013-03-07 00:00
Added one new value network(5) to stpxFastStartPortMode.
2005-12-20 00:00
Added bit value rstp(5) to stpxSMSTPortStatus and dispute(4) to stpxRPVSTPortStatus.
2005-04-12 00:00
Changed the description clauses of stpxMSTMaxHopCount and stpxMSTInstanceRemainingHopCount. Added StpxMSTConfigurationDigest textual convention. Deprecated stpxMSTGroup3 and added the following groups: stpxRSTPTransmitHoldCountGroup, stpxSMSTPortMSTModeGroup, stpxSMSTMaxHopCountGroup, stpxSMSTConfigDigestGroup and stpxMSTGroup4. Added bit dispute(4) into the BITS syntax of stpxSMSTPortStatus. Deprecated stpxMIBCompliance11 and added stpxMIBCompliance12.
2004-07-21 00:00
Added stpxPathCostOperModeGroup and changed the decription of stpxSpanningTreePathCostMode.
2004-04-08 00:00
Added stpxSMSTInstanceCISTGroup. Added 3 new bit values into the BITS syntax of stpxNotificationEnable: inconsistency(2), rootInconsistency(3), and loopInconsistency(4).
2004-01-14 00:00
Deprecated stpxMSTGroup2 and stpxPreferredMSTInstancesGroup. Added stpxMSTGroup3, stpxSMSTGroup, stpxSMSTInstanceGroup, stpxSMSTInstanceEditGroup, stpxSMSTPortStatusGroup, stpxSMSTPortHelloTimeGroup. Added one new value master(7) to stpxMSTPortRoleValue and stpxRSTPPortRoleValue. Added 2 new unused bit value into the BITS syntax of stpxRPVSTPortStatus.
2003-10-23 00:00
Added stpxExtendedSysIDGroup, stpxNotificationEnableGroup, and stpxFastStartOperModeGroup.
2002-07-11 00:00
Added Rapid Spanning Tree Protocol support. Added stpxUplinkFastOperEnabled and stpxBackboneFastOperEnabled objects. Replaced stpxMSTPortAdminLinkType, stpxMSTPortOperLinkType, stpxMSTPortProtocolMigration with stpxRSTPPortAdminLinkType, stpxRSTPPortOperLinkType and stpxRSTPPortProtocolMigration defined in stpxRSTPPortTable. Replaced stpxMSTPortRoleTable with stpxRSTPPortRoleTable. Added stpxRPVSTPortTable.
2001-12-06 00:00
Added per port Bpdu Guard and Bpdu Filter mode configuration support. Modified the description of stpxUplinkFastEnabled and stpxUplinkStationLearningGenRate for MST support.
2001-09-14 00:00
Added MST support, Loop Guard Global Default mode support and Fast Start Global Default mode support. Deprecated stpxFastStartPortEnable and stpxLoopGuardConfigEnabled objects. Changed description of stpxUplinkFastEnabled, stpxUplinkFastTransitions, stpxUplinkStationLearningGenRate, stpxUplinkStationLearningFrames objects for MST support.
2001-06-20 00:00
Added BPDU Skewing feature support and modified the SYNTAX clause of stpxUplinkStationLearningGenRate.
2001-04-12 00:00
Added PVST+ VLAN Configuration, MISTP to VLAN mapping, Loopguard, and Port Fast Start support.
2000-05-23 00:00
Added Long Spanning Tree Path Cost Mode support.
2000-03-21 00:00
Added Rootguard, 4k VLAN and MISTP support.
1997-11-10 12:00
Additional objects to support SSTP.
1997-08-19 12:00
Initial version of this MIB module.