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Monitor and troubleshoot
Documents under this category provide information about monitoring, diagnosing, and troubleshooting router issues.
Log Events Guide
This guide provides information about log events.
STP

Monitor and troubleshoot
Documents under this category provide information about monitoring, diagnosing, and troubleshooting router issues.
- Log Events Guide
  This guide provides information about log events.
- OAM and Diagnostics Guide
  This guide describes how to configure features such as service mirroring and Lawful Intercept (LI), and how to use the Operations, Administration, and Maintenance (OAM) and diagnostics tools.
- 7450 and 7750 Troubleshooting Guide
- 7950 Troubleshooting Guide
- Log Events Lookup Tool
  A searchable HTML list of the SR OS events.

STP

higherPriorityBridge

Table 1. higherPriorityBridge properties
Property name	Value
Application name	STP
Event ID	2009
Event name	higherPriorityBridge
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.9
Default severity	warning
Message format string	Bridge $tmnxCustomerBridgeId$ with root bridge $tmnxCustomerRootBridgeId$ has higher priority, for service $svcId$ (customer $custId$) on SAP $sapEncapValue$
Cause	A customer's device has been configured with a bridge priority equal to zero.
Effect	The SAP that the customer's device is connected through will be blocked.
Recovery	Remove the customer's device or reconfigure the customer's bridge priority with a value greater than zero.

newRootBridge

Table 2. newRootBridge properties
Property name	Value
Application name	STP
Event ID	2007
Event name	newRootBridge
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.7
Default severity	warning
Message format string	New root elected for service $svcId$ (customer $custId$) due to bridge parameter change
Cause	The previous root bridge has been aged out and a new root bridge has been elected.
Effect	The new root bridge creates a new spanning tree topology which may denote loss of customer access or redundancy.
Recovery	Check new topology against provisioned topology and determine the severity of connectivity loss.

newRootSap

Table 3. newRootSap properties
Property name	Value
Application name	STP
Event ID	2002
Event name	newRootSap
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.2
Default severity	warning
Message format string	New root elected for service $svcId$ (customer $custId$) due to SAP $sapEncapValue$
Cause	The previous root bridge has been aged out and a new root bridge has been elected.
Effect	The new root bridge creates a new spanning tree topology which may denote a loss of customer access or redundancy.
Recovery	Check new topology against provisioned topology and determine the severity of connectivity loss.

newRootVcpState

Table 4. newRootVcpState properties
Property name	Value
Application name	STP
Event ID	2004
Event name	newRootVcpState
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.4
Default severity	warning
Message format string	New root elected for service $svcId$ (customer $custId$) due to VCP state change
Cause	The previous root bridge has been aged out and a new root bridge has been elected.
Effect	The new root bridge creates a new spanning tree topology which may denote a loss of customer access or redundancy.
Recovery	Check new topology against provisioned topology and determine the severity of connectivity loss

pipActiveProtocolChange

Table 5. pipActiveProtocolChange properties
Property name	Value
Application name	STP
Event ID	2056
Event name	pipActiveProtocolChange
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.42
Default severity	minor
Message format string	Service $svcId$ (customer $custId$) PIP active protocol changed.
Cause	The spanning tree protocol on this PIP changed from RSTP to STP or vice versa.
Effect	N/A
Recovery	No recovery is necessary.

receivedTCN

Table 6. receivedTCN properties
Property name	Value
Application name	STP
Event ID	2006
Event name	receivedTCN
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.6
Default severity	warning
Message format string	TCN received for service $svcId$ (customer $custId$) on SAP $sapEncapValue$
Cause	A SAP has received a TCN from another bridge.
Effect	This bridge will either have its Config bpdu with topology change flag set if it is a root bridge, or it will pass TCN to its root bridge. Eventually the address aging timer for the forwarding database will be made shorter for a short period of time.
Recovery	No recovery is needed.

sapActiveProtocolChange

Table 7. sapActiveProtocolChange properties
Property name	Value
Application name	STP
Event ID	2050
Event name	sapActiveProtocolChange
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.30
Default severity	minor
Message format string	Service $svcId$ (customer $custId$) SAP $sapPortId$:$sapEncapValue$ active protocol changed to $sapTlsStpOperProtocol$.
Cause	The spanning tree protocol on this SAP changed from RSTP to STP or vice versa.
Effect	N/A
Recovery	No recovery is necessary.

sapEncapDot1d

Table 8. sapEncapDot1d properties
Property name	Value
Application name	STP
Event ID	2012
Event name	sapEncapDot1d
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.12
Default severity	minor
Message format string	Service $svcId$ (customer $custId$) SAP $sapEncapValue$ encapsulation changed to 802.1d, bridged with $tmnxOtherBridgeId$
Cause	The SAP STP received a BPDU that was 802.1d encapsulated.
Effect	The SAP STP's BPDUs will be 802.1d encapsulated.
Recovery	No recovery is needed.

sapEncapPVST

Table 9. sapEncapPVST properties
Property name	Value
Application name	STP
Event ID	2011
Event name	sapEncapPVST
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.11
Default severity	minor
Message format string	Service $svcId$ (customer $custId$) SAP $sapEncapValue$ encapsulation changed to PVST, bridged with $tmnxOtherBridgeId$
Cause	The SAP STP received a BPDU that was PVST encapsulated.
Effect	The SAP STP's BPDUs will be PVST encapsulated.
Recovery	No recovery is needed.

tmnxNewCistRegionalRootBridge

Table 10. tmnxNewCistRegionalRootBridge properties
Property name	Value
Application name	STP
Event ID	2021
Event name	tmnxNewCistRegionalRootBridge
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.33
Default severity	warning
Message format string	New $svcStpRegionalName$root $svcTlsStpCistRegionalRoot$ elected in service $svcId$
Cause	A STP selected a new regional root for the CIST.
Effect	The query will be ignored.
Recovery	No recovery is necessary.

tmnxNewMstiRegionalRootBridge

Table 11. tmnxNewMstiRegionalRootBridge properties
Property name	Value
Application name	STP
Event ID	2022
Event name	tmnxNewMstiRegionalRootBridge
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.34
Default severity	warning
Message format string	New MSTI regional root $tlsMstiRegionalRoot$ elected in service $svcId$. Msti-InstanceId: $svcMstiInstanceId$
Cause	A STP selected a new regional root for the MSTI.
Effect	The query will be ignored.
Recovery	No recovery is necessary.

tmnxPipStpExcepCondStateChng

Table 12. tmnxPipStpExcepCondStateChng properties
Property name	Value
Application name	STP
Event ID	2055
Event name	tmnxPipStpExcepCondStateChng
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.41
Default severity	warning
Message format string	The stp exception condition state for service $svcId$ (customer $custId$) on PIP has changed to $tlsPipStpException$
Cause	The STP exception state has changed.
Effect	N/A
Recovery	N/A

tmnxSapStpExcepCondStateChng

Table 13. tmnxSapStpExcepCondStateChng properties
Property name	Value
Application name	STP
Event ID	2025
Event name	tmnxSapStpExcepCondStateChng
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.37
Default severity	warning
Message format string	The stp exception condition state for service $svcId$ (customer $custId$) on SAP $sapEncapValue$ has changed to $sapTlsStpException$
Cause	A STP exception state has changed.
Effect	N/A
Recovery	N/A

tmnxSdpBndStpExcepCondStateChng

Table 14. tmnxSdpBndStpExcepCondStateChng properties
Property name	Value
Application name	STP
Event ID	2026
Event name	tmnxSdpBndStpExcepCondStateChng
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.38
Default severity	warning
Message format string	The Stp Exception condition has changed to $sdpBindTlsStpException$ in service $svcId$ (customer $custId$) on SDP Bind $sdpBindId$
Cause	The STP exception condition has changed on an SDP Binding."
Effect	N/A
Recovery	N/A

tmnxStpMeshNotInMstRegion

Table 15. tmnxStpMeshNotInMstRegion properties
Property name	Value
Application name	STP
Event ID	2024
Event name	tmnxStpMeshNotInMstRegion
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.36
Default severity	warning
Message format string	A MSTP BPDU from outside the MST region is received on mesh SDP $sdpBindId$ in service $svcId$. The mesh will not become operational!
Cause	A MSTP BPDU from outside the MST region is received on the mesh SDP.
Effect	The query will be ignored.
Recovery	No recovery is necessary.

tmnxStpRootGuardViolation

Table 16. tmnxStpRootGuardViolation properties
Property name	Value
Application name	STP
Event ID	2023
Event name	tmnxStpRootGuardViolation
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.35
Default severity	warning
Message format string	A root-guard violation is detected for service $svcId$ on SAP $sapEncapValue$
Cause	A STP detects a root-guard violation.
Effect	The query will be ignored.
Recovery	No recovery is necessary.

tmnxSvcNewRootSdpBind

Table 17. tmnxSvcNewRootSdpBind properties
Property name	Value
Application name	STP
Event ID	2015
Event name	tmnxSvcNewRootSdpBind
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.15
Default severity	warning
Message format string	New root bridge $svcTlsStpDesignatedRoot$ elected for service $svcId$ (customer $custId$) due to SDP Bind $sdpBindId$
Cause	The previous root bridge has been aged out and a new root bridge has been elected.
Effect	The new root bridge creates a new spanning tree topology which may denote loss of customer access or redundancy.
Recovery	Check new topology against provisioned topology and determine the severity of connectivity loss.

tmnxSvcSdpActiveProtocolChange

Table 18. tmnxSvcSdpActiveProtocolChange properties
Property name	Value
Application name	STP
Event ID	2051
Event name	tmnxSvcSdpActiveProtocolChange
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.31
Default severity	minor
Message format string	Service $svcId$ (customer $custId$) SDP Bind $sdpBindId$ active changed to $sdpBindTlsStpOperProtocol$.
Cause	The spanning tree protocol on an SDP changed from RSTP to STP or vice versa.
Effect	N/A
Recovery	No recovery is necessary.

tmnxSvcSdpBindEncapDot1d

Table 19. tmnxSvcSdpBindEncapDot1d properties
Property name	Value
Application name	STP
Event ID	2020
Event name	tmnxSvcSdpBindEncapDot1d
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.20
Default severity	minor
Message format string	Service $svcId$ (customer $custId$) SDP Bind $sdpBindId$ encapsulation changed to 802.1d, bridged with $tmnxOtherBridgeId$
Cause	The SDP Binding STP received a BPDU that was 802.1d encapsulated.
Effect	The SDP Binding STP's BPDUs will be 802.1d encapsulated.
Recovery	No recovery is needed.

tmnxSvcSdpBindEncapPVST

Table 20. tmnxSvcSdpBindEncapPVST properties
Property name	Value
Application name	STP
Event ID	2019
Event name	tmnxSvcSdpBindEncapPVST
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.19
Default severity	minor
Message format string	Service $svcId$ (customer $custId$) SDP Bind $sdpBindId$ encapsulation changed to PVST, bridged with $tmnxOtherBridgeId$
Cause	The SDP Binding STP received a BPDU that was PVST encapsulated.
Effect	The SDP Binding STP's BPDUs will be PVST encapsulated.
Recovery	No recovery is needed.

tmnxSvcSdpBindRcvdHigherBriPrio

Table 21. tmnxSvcSdpBindRcvdHigherBriPrio properties
Property name	Value
Application name	STP
Event ID	2018
Event name	tmnxSvcSdpBindRcvdHigherBriPrio
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.18
Default severity	warning
Message format string	Bridge $tmnxCustomerBridgeId$ with root bridge $tmnxCustomerRootBridgeId$ has higher priority, for service $svcId$ (customer $custId$) on SDP Bind $sdpBindId$
Cause	A customer's device has been configured with a bridge priority equal to zero.
Effect	The SDP Binding that the customer's device is connected through will be blocked.
Recovery	Remove the customer's device or reconfigure the customer's bridge priority with a value greater than zero.

tmnxSvcSdpBindRcvdTCN

Table 22. tmnxSvcSdpBindRcvdTCN properties
Property name	Value
Application name	STP
Event ID	2017
Event name	tmnxSvcSdpBindRcvdTCN
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.17
Default severity	warning
Message format string	TCN received for service $svcId$ (customer $custId$) on SDP Bind $sdpBindId$
Cause	A SDP Binding has received TCN from another bridge.
Effect	This bridge will either have its Config bpdu with topology change flag set if it is a root bridge, or it will pass TCN to its root bridge. Eventually the address aging timer for the forwarding database will be made shorter for a short period of time.
Recovery	No recovery is needed.

tmnxSvcTopoChgSdpBindMajorState

Table 23. tmnxSvcTopoChgSdpBindMajorState properties
Property name	Value
Application name	STP
Event ID	2014
Event name	tmnxSvcTopoChgSdpBindMajorState
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.14
Default severity	warning
Message format string	Topology change for service $svcId$ (customer $custId$) due to SDP Bind $sdpBindId$ state change from $tmnxOldSdpBindTlsStpPortState$ to $sdpBindTlsStpPortState$
Cause	A SDP Binding has transitioned its state from learning to forwarding or from forwarding to blocking or broken.
Effect	The spanning tree topology has been modified which may denote loss of customer access or redundancy.
Recovery	Check new topology against provisioned topology and determine the severity of connectivity loss.

tmnxSvcTopoChgSdpBindState

Table 24. tmnxSvcTopoChgSdpBindState properties
Property name	Value
Application name	STP
Event ID	2016
Event name	tmnxSvcTopoChgSdpBindState
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.16
Default severity	warning
Message format string	Topology change for service $svcId$ (customer $custId$) due to SDP Bind $sdpBindId$ state change from $tmnxOldSdpBindTlsStpPortState$ to $sdpBindTlsStpPortState$
Cause	A SDP Binding has transitioned state to blocking or broken from a state other than forwarding. This event complements what is not covered by topologyChangeSapMajorState.
Effect	The spanning tree topology has been modified which may denote loss of customer access or redundancy.
Recovery	Check new topology against provisioned topology and determine the severity of connectivity loss.

topologyChangePipMajorState

Table 25. topologyChangePipMajorState properties
Property name	Value
Application name	STP
Event ID	2053
Event name	topologyChangePipMajorState
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.39
Default severity	warning
Message format string	Topology change for service $svcId$ (customer $custId$) due to PIP major state change
Cause	PIP has transitioned its state from learning to forwarding or from forwarding to blocking or broken.
Effect	The spanning tree topology has been modified which may denote loss of customer access or redundancy.
Recovery	Check new topology against provisioned topology and determine the severity of connectivity loss

topologyChangePipState

Table 26. topologyChangePipState properties
Property name	Value
Application name	STP
Event ID	2054
Event name	topologyChangePipState
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.40
Default severity	warning
Message format string	Topology change for service $svcId$ (customer $custId$) due to PIP state change
Cause	PIP has transitioned state to blocking or broken from a state other than forwarding. This event complements what is not covered by topologyChangePipMajorState.
Effect	The spanning tree topology has been modified which may denote loss of customer access or redundancy.
Recovery	Check new topology against provisioned topology and determine severity of connectivity loss.

topologyChangeSapMajorState

Table 27. topologyChangeSapMajorState properties
Property name	Value
Application name	STP
Event ID	2001
Event name	topologyChangeSapMajorState
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.1
Default severity	warning
Message format string	Topology change for service $svcId$ (customer $custId$) due to SAP $sapEncapValue$ major state change
Cause	A SAP has transitioned its state from learning to forwarding or from forwarding to blocking or broken.
Effect	The spanning tree topology has been modified which may denote loss of customer access or redundancy.
Recovery	Check new topology against provisioned topology and determine the severity of connectivity loss.

topologyChangeSapState

Table 28. topologyChangeSapState properties
Property name	Value
Application name	STP
Event ID	2005
Event name	topologyChangeSapState
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.5
Default severity	warning
Message format string	Topology change for service $svcId$ (customer $custId$) due to SAP $sapEncapValue$ state change
Cause	A SAP has transitioned state to blocking or broken from a state other than forwarding. This event complements what is not covered by topologyChangeSapMajorState.
Effect	The spanning tree topology has been modified which may denote a loss of customer access or redundancy.
Recovery	Check new topology against provisioned topology and determine the severity of connectivity loss.

topologyChangeVcpState

Table 29. topologyChangeVcpState properties
Property name	Value
Application name	STP
Event ID	2003
Event name	topologyChangeVcpState
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.3
Default severity	warning
Message format string	Topology change for service $svcId$ (customer $custId$) due to VCP state change to $tmnxVcpState$
Cause	A VCP has transitioned its state from disabled to forwarding or from forwarding to disabled.
Effect	The spanning tree topology has been modified which may denote a loss of customer access or redundancy.
Recovery	Check new topology against provisioned topology and determine the severity of connectivity loss.

unacknowledgedTCN

Table 30. unacknowledgedTCN properties
Property name	Value
Application name	STP
Event ID	2008
Event name	unacknowledgedTCN
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.8
Default severity	warning
Message format string	TCN sent for service $svcId$ (customer $custId$) to SDP $sdpId$ is unacknowledged
Cause	A TCN sent towards the root bridge on the root port (SAP) has not been acknowledged within allowed time.
Effect	A portion of the spanning tree topology may not have been notified that a topology change has taken place. FDB tables on some devices may take significantly longer to represent the new distribution of layer-2 addresses.
Recovery	Diagnose this device and devices towards the root bridge for STP issues.

vcpActiveProtocolChange

Table 31. vcpActiveProtocolChange properties
Property name	Value
Application name	STP
Event ID	2052
Event name	vcpActiveProtocolChange
SNMP notification prefix and OID	TIMETRA-SERV-MIB.tstpTraps.32
Default severity	minor
Message format string	Service $svcId$ (customer $custId$)VCP Active protocol changed to $svcTlsStpVcpOperProtocol$.
Cause	The spanning tree protocol on a VCP changed from RSTP to STP or vice versa.
Effect	N/A
Recovery	No recovery is necessary.