HUAWEI-MPLSOAM-PS-MIB

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Organization: Huawei Technologies Co., Ltd.

Last Updated: 2005-04-27

Category: MPLS and Traffic Engineering, Technology: High Availability, Technology: OAM, Technology: SLA/OAM, Vendor: Huawei

Description: Huawei MPLS OAM protection switching MIB for managing LSP protection groups and switchover events.

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What Is HUAWEI-MPLSOAM-PS-MIB?

HUAWEI-MPLSOAM-PS-MIB is a Huawei MIB for MPLS OAM-based protection switching, managing protection groups that pair a working LSP with a backup LSP to provide fast failover for MPLS services. It exposes configuration data for protection group setup and status data indicating which path (working or protection) is currently carrying traffic. Its monitoring value is network-path software status: tracking the currently active path and the history of switchover events lets an administrator confirm when traffic failed over due to a fault and whether it reverted once the primary path recovered. It builds on general MPLS OAM concepts described in the module (used to lower network maintenance cost) and complements Huawei's broader MPLS-TP/MPLS OAM MIB family. It is deployed on carrier MPLS/MPLS-TP transport devices that require fast, often sub-50ms, protection switching for critical services, and the HUAWEI-MPLSOAM-PS-MIB MIB defines the protection-group and switchover objects used to track these failovers.

IPNetwork Monitor allows you to monitor SNMP objects defined in HUAWEI-MPLSOAM-PS-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

Huawei carrier transport/MPLS routers
Huawei PTN devices

Monitoring Examples

No sample object names were provided for this module. Based on the module description, an administrator would monitor the protection group's active-path indicator and switchover event/trap objects to detect when traffic switched from the working LSP to its protection LSP because of a fault, and to confirm reversion to the primary path once it is restored.

What Can Be Monitored

protection group active path
working/protection LSP status
switchover event history
switchover triggers/traps

Imported Objects

From HUAWEI-MIB

hwMpls

OBJECT-IDENTITY

From HUAWEI-MPLS-EXTEND-MIB

hwMplsTunnelSignalProto

OBJECT-TYPE

From IF-MIB

InterfaceIndex

From SNMPv2-CONF

MODULE-COMPLIANCE
NOTIFICATION-GROUP
OBJECT-GROUP

From SNMPv2-SMI

Integer32
IpAddress
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

RowStatus
TruthValue

OIDs

OID symbolic	OID numeric	Type	Access	Description
hwMplsOam	1.3.6.1.4.1.2011.5.12.7			The HUAWEI-MPLSOAM-MIB contains objects to configure OAM module. The Operation, Administration and Maintenance (OAM) is an effective means for decreasing the cost of network maintenance. The MPLS OAM is used to administrate and maintain MPLS.
hwMplsOamPs	1.3.6.1.4.1.2011.5.12.7.1
hwMplsPsObjects	1.3.6.1.4.1.2011.5.12.7.1.3
hwMplsPsTable	1.3.6.1.4.1.2011.5.12.7.1.3.1		not-accessible	This table specifies per-protection-group MPLS PS capability and associated information.
hwMplsPsEntry	1.3.6.1.4.1.2011.5.12.7.1.3.1.1		not-accessible	An entry in this table is created by an LSR for every protection group capable of supporting mpls ps.
U32 hwMplsPsIndex	1.3.6.1.4.1.2011.5.12.7.1.3.1.1.1	Unsigned32	read-only	This is a unique index for an entry in the mplspsEntry.
I32 hwMplsPsType	1.3.6.1.4.1.2011.5.12.7.1.3.1.1.2	Integer32	read-only	The type of protection switch,can be 1:1,1+1,shared mesh, packet 1+1,the default choice is 1:1. In the 1+1 architecture type, a protection LSP is dedicated to each working LSP with the working LSP bridged onto the protection LSP at the source of the protection domain. The traffic on working and protection LSPs is transmitted simultaneously to the sink of the protection domain, where a selection between the working and protection LSP is made, based on some predetermined criteria, such as defect indication. In the 1:1 architecture type, a protection LSP is dedicated to each working LSP. The working traffic is transmitted either by working or protection LSP. In the shared mesh architecture type, possible sharing of protection capacity between disjoint link, node in the network is achieved while guaranteeing recovery from a single failure. In the packet 1+1 architecture type, the traffic is transmitted simultaneously onto two possibly disjoint routed LSPs to the sink of the protection domain. Each pair of duplicate transmitted packets is assigned the same identifier (sequence number) but distinct from the other pairs of duplicate packets. At the sink of the protection domain packet level selection mechanism is employed to select one of the two possibly received copies of each packet. 1: 1:1 protection switching,; 2: 1+1 protection switching; 3: shared mesh protection swiching; 4: packet 1+1 protection switching.
OCT hwMplsPsWorkTunnName	1.3.6.1.4.1.2011.5.12.7.1.3.1.1.3	OCTET STRING	read-only	The name of work-tunnel.
I32 hwMplsPsWorkTunnId	1.3.6.1.4.1.2011.5.12.7.1.3.1.1.4	Integer32	read-only	Work-tunnel id(session-tunnel-id).
OCT hwMplsPsProtectTunnName	1.3.6.1.4.1.2011.5.12.7.1.3.1.1.5	OCTET STRING	read-only	The name of protect-tunnel.
I32 hwMplsPsProtectTunnId	1.3.6.1.4.1.2011.5.12.7.1.3.1.1.6	Integer32	read-only	Protect-tunnel id(session-tunnel-id).
I32 hwMplsPsRevertiveMode	1.3.6.1.4.1.2011.5.12.7.1.3.1.1.7	Integer32	read-only	Revertive mode is a protection switching mode where revertive action (switch back to the working LSP) is taken after the working LSP is repaired.And switching does not occur in a non-revertive mode. 1: revertive; 2: non-revertive;
I32 hwMplsPsWTR	1.3.6.1.4.1.2011.5.12.7.1.3.1.1.8	Integer32	read-only	Wait to Restore timer is only applicable for the revertive mode and applies to a working LSP,It prevents reversion back to select the working LSP until the Wait to Restore timer has expired.The default value is 12 minutes.step is 30s.
I32 hwMplsPsHoldOff	1.3.6.1.4.1.2011.5.12.7.1.3.1.1.9	Integer32	read-only	The time between declaration of signal degrade or signal fail, and the initialization of the protection switching algorithm. step is 100ms.maximum is 10s.
I32 hwMplsPsSwitchCondition	1.3.6.1.4.1.2011.5.12.7.1.3.1.1.10	Integer32	read-only	The current switch condition of the protection group. 1: clear,This command clears all of the externally initiated switch commands listed below; 2: lockout of protection,Fix the selector position on the working LSP,Prevents the selector from switching to the protection LSP when it is selecting the working LSP. Switches the selector from the protection to the working LSP when it is selecting the protection LSP; 3: forced protection,Switches the selector from the working LSP to the protection LSP (unless a higher priority switch request (i.e., LoP) is in effect); 4: signal fail,for 1:1,Signal Fail (SF) is declared when the source of the protection domain enters the Defect State by receiving a BDI packet (from the return LSP or out of band). 5: manual switch for working-lsp,Switches the selector from the working LSP to the protection LSP (unless an equal or higher priority switch request (i.e., LoP, FS, SF or MS) is in effect); 6: manual switch for protection-lsp,Switches the selector from the protection LSP to the working LSP (unless an equal or higher priority switch request (i.e., LoP, FS, SF or MS) is in effect). 7: WTR-timer; 8: HoldOff-timer; 9: Others; The pripority of the commands are: clear > lockout of protection > force switch > manual switch for working lsp = manual switch for protection lsp
I32 hwMplsPsWorkTunnelState	1.3.6.1.4.1.2011.5.12.7.1.3.1.1.11	Integer32	read-only	The state of working tunnel state in one protection group, whether it is in detection, 1: it is outof defect 2: it enters defect
I32 hwMplsPsProtTunnelState	1.3.6.1.4.1.2011.5.12.7.1.3.1.1.12	Integer32	read-only	The state of protection tunnel state in one protection group, whether it is in detection, 1: it is outof defect 2: it enters defect
I32 hwMplsPsSwitchResult	1.3.6.1.4.1.2011.5.12.7.1.3.1.1.13	Integer32	read-only	Which tunnel is used to transfer the data stream. 1: working-tunnel 2: protection-tunnel
I32 hwMplsPsCfgType	1.3.6.1.4.1.2011.5.12.7.1.3.1.1.14	Integer32	read-only	The type of protection switch which is configured. 1: 1:1 2: 1+1 3: shared mesh 4: packet 1:1
I32 hwMplsPsCfgProtectTunnId	1.3.6.1.4.1.2011.5.12.7.1.3.1.1.15	Integer32	read-only	Protect-tunnel id(session-tunnel-id).
I32 hwMplsPsCfgRevertiveMode	1.3.6.1.4.1.2011.5.12.7.1.3.1.1.16	Integer32	read-only	Revertive mode is a protection switching mode where revertive action (switch back to the working LSP) is taken after the working LSP is repaired.And switching does not occur in a non-revertive mode. 1: revertive; 2: non-revertive;
I32 hwMplsPsCfgWTR	1.3.6.1.4.1.2011.5.12.7.1.3.1.1.17	Integer32	read-only	Wait to Restore timer is only applicable for the revertive mode and applies to a working LSP,It prevents reversion back to select the working LSP until the Wait to Restore timer has expired.The default value is 12 minutes.step is 30s.
I32 hwMplsPsCfgHoldOff	1.3.6.1.4.1.2011.5.12.7.1.3.1.1.18	Integer32	read-only	The time between declaration of signal degrade or signal fail, and the initialization of the protection switching algorithm. step is 100ms.maximum is 10s.
ROW hwMplsPsRowStatus	1.3.6.1.4.1.2011.5.12.7.1.3.1.1.19	RowStatus	read-only	This variable is used to create, modify, and delete a row in this table. 1: active 2: not in service 3: not ready 4: create and go 5: create and wait 6: destroy
U32 hwTunnPsTrapOpen	1.3.6.1.4.1.2011.5.12.7.1.3.2	Unsigned32	read-only	1:enable; 2:disable;
hwMplsVCPsTable	1.3.6.1.4.1.2011.5.12.7.1.3.3		not-accessible	Description.
hwMplsVCPsEntry	1.3.6.1.4.1.2011.5.12.7.1.3.3.1		not-accessible	this table for these commands 1.mpls te protection tunnel XXX 2. mpls te reverse-lsp { lsp-name XXXX \| lsr-id X.X.X.X tunnel-id x } 3. mpls te reserved-for-binding
NUM hwMplsVCPsIfIndex	1.3.6.1.4.1.2011.5.12.7.1.3.3.1.1	InterfaceIndex	read-only	Description.the index of working tunnel interface of Protection group
T/F hwMplsVCPsTNLBinding	1.3.6.1.4.1.2011.5.12.7.1.3.3.1.2	TruthValue	read-create	Description.it is used by command ' mpls te reserved-for-binding '
OCT hwMplsTeReverseLspName	1.3.6.1.4.1.2011.5.12.7.1.3.3.1.3	OCTET STRING	read-create	Description.it is used for command ' mpls te reverse-lsp lspname'
ROW hwMplsVcPsRowStatus	1.3.6.1.4.1.2011.5.12.7.1.3.3.1.4	RowStatus	read-create	Description. 1: active; 2: notInservice; 3: notReady; 4: CreateAndGo; 5: CreateAndWait; 6: destroy;
IP hwMplsTeReverseLspLsrId	1.3.6.1.4.1.2011.5.12.7.1.3.3.1.5	IpAddress	read-create	Description.it is used for command ' mpls te reverse-lsp lsr-id X.X.X.X tunnel-id XX'
I32 hwMplsTeReverseLspTunnId	1.3.6.1.4.1.2011.5.12.7.1.3.3.1.6	Integer32	read-create	Description.it is used for command ' mpls te reverse-lsp lsr-id X.X.X.X tunnel-id XX'
INT hwMplsApsMismatchReason	1.3.6.1.4.1.2011.5.12.7.1.3.4	INTEGER	accessible-for-notify	Indicates the alarm reason as below: 1. Bridge type mismatch, one side is 1:1 (Selector Bridge) protection, the other side is 1+1 (Permanent Bridge) protection; 2. Channel type mismatch, one side has APS channel, the other side has no APS channel; 3. Switching type mismatch, one side is bidirectional switching, the other side is unidirectional switching; 4. Operation type mismatch, one side is revertive operation, the other side is non-revertive operation; 5. Traffic request mismatch, one side selects working connection, the other side selects protection connection;
hwMplsPsNotifications	1.3.6.1.4.1.2011.5.12.7.1.4
NTF hwMplsPsSwitchPtoW	1.3.6.1.4.1.2011.5.12.7.1.4.1			This notification is generated when switching from protection-lsp to working-lsp occured.
NTF hwMplsPsSwitchWtoP	1.3.6.1.4.1.2011.5.12.7.1.4.2			This notification is generated when switching from woking-lsp to protection-lsp occured.
NTF hwMplsApsMismatch	1.3.6.1.4.1.2011.5.12.7.1.4.3			Trap information indicates fully incompatible provisioning and working/protection configuration mismatch are detected by APS frame.
NTF hwMplsApsMismatchRecovery	1.3.6.1.4.1.2011.5.12.7.1.4.4			Trap information indicates fully incompatible provisioning and working/protection configuration mismatch recovery are detected by APS frame.
NTF hwMplsApsLost	1.3.6.1.4.1.2011.5.12.7.1.4.5			Tunnel protection group did not receive APS frames from protection tunnel.
NTF hwMplsApsLostRecovery	1.3.6.1.4.1.2011.5.12.7.1.4.6			Tunnel protection group received APS frames from protection tunnel.
hwMplsOamPsConformance	1.3.6.1.4.1.2011.5.12.7.1.100
hwMplsOamPsCompliances	1.3.6.1.4.1.2011.5.12.7.1.100.1
hwMplsOamPsGroupCompliance	1.3.6.1.4.1.2011.5.12.7.1.100.1.1			The compliance statement for mpls oam ps.
hwMplsOamPsGroups	1.3.6.1.4.1.2011.5.12.7.1.100.2
hwMplsPsGroup	1.3.6.1.4.1.2011.5.12.7.1.100.2.1			The compliance statement for mpls oam ps management.
hwMplsVcPsGroup	1.3.6.1.4.1.2011.5.12.7.1.100.2.2			The compliance statement for mpls oam ps reverse lsp.
hwMplsPsNotificationGroup	1.3.6.1.4.1.2011.5.12.7.1.100.2.3			Description.

RFC description

Huawei private MIB managing MPLS Operations, Administration, and Maintenance (OAM) path segment monitoring for carrier networks.

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Download HUAWEI-MPLSOAM-PS-MIB

What Is HUAWEI-MPLSOAM-PS-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description