ERPS-MIB

All MIBs › ERPS-MIB

Organization: D-Link Corp.

Last Updated: 2010-07-16

Category: Protocol: ERPS, Standard: IETF

Description: Covers Ethernet Ring Protection Switching (G.8032/ERPS), including ring instances, node roles, and failover state.

Start monitoring vendor-neutral, standards-based MIB, any SNMPv3-capable network device (SNMP engine identity/boot/clock status) with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.

What Is ERPS-MIB?

ERPS-MIB is a vendor-neutral, standards-based MIB for managing Ethernet Ring Protection Switching as defined by ITU-T G.8032, a protocol that provides sub-50ms failover for Ethernet rings by designating a Ring Protection Link (RPL) and coordinating node roles. It belongs to the carrier Ethernet resiliency technology area and exposes configuration and state data for ring instances, including node role (e.g., RPL owner/neighbor), ring port assignments, and current protection-switching state (idle, protection, or forced/manual switch). Its monitoring value is centered on network resiliency/fault status: tracking whether a ring is in its normal idle state or has failed over into protection mode reveals link or node failures within the ring, making this MIB a key tool for detecting topology faults in carrier Ethernet rings. As an ITU-T G.8032 implementation, it is inherently tied to that standard and typically coexists with underlying bridge/VLAN MIBs (e.g., Q-BRIDGE-MIB) for the ports it manages. Typical deployment context is metro Ethernet and carrier-grade ring topologies where multiple switches are connected in a ring for physical-layer redundancy. Engineers can download the ERPS-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in ERPS-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

vendor-neutral, standards-based MIB, not tied to a specific manufacturer
carrier Ethernet switch/node in a ring topology

Monitoring Examples

No concrete sample objects were provided for this module, so exact table/object names cannot be cited, but standard ERPS MIB implementations expose a ring-instance table describing each ring's node role, RPL port, and current protection state. An administrator would poll the ring state object to detect a transition from idle to protection-switching state, which indicates a break or failure has occurred somewhere in the ring and traffic has been rerouted around it.

What Can Be Monitored

ring protection state (idle/protection)
ring node role (RPL owner/neighbor)
ring port assignment
forced/manual switch status

Imported Objects

From DLINK-ID-REC-MIB

dlink-common-mgmt

From Q-BRIDGE-MIB

VlanIdOrNone

From SNMPv2-SMI

MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE

From SNMPv2-TC

MacAddress
RowStatus

OIDs

OID symbolic	OID numeric	Type	Access	Description
swERPSMIB	1.3.6.1.4.1.171.12.78			The MIB module for managing Ethernet Ring Protection Switching.
swERPSCtrl	1.3.6.1.4.1.171.12.78.1
INT swERPSAdminState	1.3.6.1.4.1.171.12.78.1.1	INTEGER	read-write	This object indicates the ERPS state of the bridge.
INT swERPSLogState	1.3.6.1.4.1.171.12.78.1.2	INTEGER	read-write	This object indicates the ERPS log state of the bridge.
INT swERPSTrapState	1.3.6.1.4.1.171.12.78.1.3	INTEGER	read-write	This object indicates the ERPS trap state of the bridge.
swERPSInfo	1.3.6.1.4.1.171.12.78.2
swERPSMgmt	1.3.6.1.4.1.171.12.78.3
swERPSMgmtRAPSVlanTable	1.3.6.1.4.1.171.12.78.3.1		not-accessible	This table contains the ERPS ring configuration information.
swERPSMgmtRAPSVlanEntry	1.3.6.1.4.1.171.12.78.3.1.1		not-accessible	A list of the ERPS ring configuration information.
INT swERPSMgmtRAPSVlanId	1.3.6.1.4.1.171.12.78.3.1.1.1	INTEGER	read-only	The RAPS VLAN is an index of the configuration.
INT swERPSMgmtRAPSWestPort	1.3.6.1.4.1.171.12.78.3.1.1.2	INTEGER	read-write	This is one of the RPL owner ports.The RPL owner may block this port. The value 0 indicates the west port is a virtual channel.
INT swERPSMgmtRAPSWestPortState	1.3.6.1.4.1.171.12.78.3.1.1.3	INTEGER	read-only	This is the west port state. The state may change occasionally. When the west port is configured on a virtual channel, the west port state is always forwarding.
INT swERPSMgmtRAPSEastPort	1.3.6.1.4.1.171.12.78.3.1.1.4	INTEGER	read-write	This is the other RPL owner port.The RPL Owner may block this port. The value 0 indicates the west port is a virtual channel.
INT swERPSMgmtRAPSEastPortState	1.3.6.1.4.1.171.12.78.3.1.1.5	INTEGER	read-only	This is the east port state. The state may change occasionally. When the east port is configured on a virtual channel, the east port state is always forwarding.
INT swERPSMgmtRAPSRPLPort	1.3.6.1.4.1.171.12.78.3.1.1.6	INTEGER	read-write	When the port enable state is enabled, the RPL port's current port role is defined by the ERPS application.
INT swERPSMgmtRAPSRPLOwnerAdminState	1.3.6.1.4.1.171.12.78.3.1.1.7	INTEGER	read-write	The administrative value of the RPL owner state. The RPL owner is an Ethernet Ring Node adjacent to the RPL that is responsible for blocking its end of the RPL under normal conditions.
VID swERPSMgmtRAPSProtectionVlan	1.3.6.1.4.1.171.12.78.3.1.1.8	VidList	read-write	The protection VLAN has prevented a loop.
INT swERPSMgmtRAPSRingMEL	1.3.6.1.4.1.171.12.78.3.1.1.9	INTEGER	read-write	The ring MEL is the maintenance entity group (MEG) level that provides a communication channel for the ring automatic protection switching (RAPS) information.
INT swERPSMgmtRAPSHoldOffTime	1.3.6.1.4.1.171.12.78.3.1.1.10	INTEGER	read-write	In order to coordinate the timing of protection switches at multiple layers.
INT swERPSMgmtRAPSGuardTime	1.3.6.1.4.1.171.12.78.3.1.1.11	INTEGER	read-write	This is used to prevent ring nodes from receiving outdated RAPS messages.
INT swERPSMgmtRAPSWTRTime	1.3.6.1.4.1.171.12.78.3.1.1.12	INTEGER	read-write	When revertive is enabled, this is used to prevent frequent operation of the protection switch due to an intermittent defect. A failed working transport entity must become stable in a fault-free state.
INT swERPSMgmtRAPSRingState	1.3.6.1.4.1.171.12.78.3.1.1.13	INTEGER	read-only	This indicates the state of the ring.The available states are: begin, init, idle, or protection.
INT swERPSMgmtRAPSRingAdminState	1.3.6.1.4.1.171.12.78.3.1.1.14	INTEGER	read-write	This indicates the administrative state of the ring.
INT swERPSMgmtRAPSRPLOwnerOperStatus	1.3.6.1.4.1.171.12.78.3.1.1.15	INTEGER	read-only	The current operational value of the RPL owner state. The value 'active' is used to indicate that the RPL owner administrative state is enabled and the device is operating as the active RPL owner. The value 'inactive' is used to indicate that the RPL owner administrative state is enabled, but the device is operating as the inactive RPL owner. The value 'disabled' is used to indicate that the RPL owner administrative state of the device is disabled.
OCT swERPSMgmtRAPSProtectionVlanRangeList1to64	1.3.6.1.4.1.171.12.78.3.1.1.16	OCTET STRING	read-write	This object indicates the VLAN range (1-512) that belong to the protected VLANs.
OCT swERPSMgmtRAPSProtectionVlanRangeList65to128	1.3.6.1.4.1.171.12.78.3.1.1.17	OCTET STRING	read-write	This object indicates the VLAN range (513-1024) that belong to the protected VLANs.
OCT swERPSMgmtRAPSProtectionVlanRangeList129to192	1.3.6.1.4.1.171.12.78.3.1.1.18	OCTET STRING	read-write	This object indicates the VLAN range (1025-1536) that belong to the protected VLANs.
OCT swERPSMgmtRAPSProtectionVlanRangeList193to256	1.3.6.1.4.1.171.12.78.3.1.1.19	OCTET STRING	read-write	This object indicates the VLAN range (1537-2048) that belong to the protected VLANs.
OCT swERPSMgmtRAPSProtectionVlanRangeList257to320	1.3.6.1.4.1.171.12.78.3.1.1.20	OCTET STRING	read-write	This object indicates the VLAN range (2049-2560) that belong to the protected VLANs.
OCT swERPSMgmtRAPSProtectionVlanRangeList321to384	1.3.6.1.4.1.171.12.78.3.1.1.21	OCTET STRING	read-write	This object indicates the VLAN range (2561-3072) that belongs to the protected VLANs.
OCT swERPSMgmtRAPSProtectionVlanRangeList385to448	1.3.6.1.4.1.171.12.78.3.1.1.22	OCTET STRING	read-write	This object indicates the VLAN range (3073-3584) that belong to the protected VLANs.
OCT swERPSMgmtRAPSProtectionVlanRangeList449to512	1.3.6.1.4.1.171.12.78.3.1.1.23	OCTET STRING	read-write	This object indicates the VLAN range (3585-4096) that belong to the protected VLANs.
INT swERPSMgmtRAPSRevertive	1.3.6.1.4.1.171.12.78.3.1.1.24	INTEGER	read-write	The object is used to enable or disable the revertive operation of a special ring. When revertive is disabled, the traffic link is allowed to use the RPL, after revovering from a failure. When revertive is enabled, the traffic link is restored to the working transport link.
INT swERPSMgmtRAPSOperWestPort	1.3.6.1.4.1.171.12.78.3.1.1.25	INTEGER	read-only	This object indicates actual running ring west port. The value 0 indicates the west port is a virtual channel.
INT swERPSMgmtRAPSOperEastPort	1.3.6.1.4.1.171.12.78.3.1.1.26	INTEGER	read-only	This object indicates actual running ring east port. The value 0 indicates the east port is a virtual channel.
INT swERPSMgmtRAPSOperRPLPort	1.3.6.1.4.1.171.12.78.3.1.1.27	INTEGER	read-only	This object indicates actual running ring RPL port.
INT swERPSMgmtRAPSRPLOwnerOperState	1.3.6.1.4.1.171.12.78.3.1.1.28	INTEGER	read-only	This object indicates actual running RPL owner state.
ROW swERPSMgmtRAPSRowStatus	1.3.6.1.4.1.171.12.78.3.1.1.100	RowStatus	read-create	This object indicates the RowStatus of this entry.
swERPSMgmtSubRingCtrlTable	1.3.6.1.4.1.171.12.78.3.2		not-accessible	This table contains the ERPS sub-ring configuration information.
swERPSMgmtSubRingCtrlEntry	1.3.6.1.4.1.171.12.78.3.2.1		not-accessible	A list of the ERPS sub-ring configuration information.
INT swERPSMgmtSubRingCtrlRAPSVlanId	1.3.6.1.4.1.171.12.78.3.2.1.1	INTEGER	not-accessible	The RAPS VLAN is an index of the configuration.
INT swERPSMgmtSubRingCtrlSubRingRAPSVlanId	1.3.6.1.4.1.171.12.78.3.2.1.2	INTEGER	not-accessible	This indicates the ring control VLAN-ID of the sub-ring which connects to another ring.
INT swERPSMgmtSubRingCtrlTCPropagationState	1.3.6.1.4.1.171.12.78.3.2.1.3	INTEGER	read-write	This indicates the state of the sub-ring topology change propagation.
ROW swERPSMgmtSubRingCtrlRowStatus	1.3.6.1.4.1.171.12.78.3.2.1.4	RowStatus	read-create	This object indicates the status of this entry.
swERPSNotify	1.3.6.1.4.1.171.12.78.4
swERPSNotifyPrefix	1.3.6.1.4.1.171.12.78.4.0
NTF swERPSSFDetectedTrap	1.3.6.1.4.1.171.12.78.4.0.1			When a signal failure occurs, a trap will be generated.
NTF swERPSSFClearedTrap	1.3.6.1.4.1.171.12.78.4.0.2			When the signal failure clears, a trap will be generated.
NTF swERPSRPLOwnerConflictTrap	1.3.6.1.4.1.171.12.78.4.0.3			When a conflict occurs, a trap will be generated.
swERPSNotificationBindings	1.3.6.1.4.1.171.12.78.4.2
MAC swERPSNodeId	1.3.6.1.4.1.171.12.78.4.2.1	MacAddress	accessible-for-notify	This used trap object means the node MAC.

RFC description

Manages Ethernet Ring Protection Switching (G.8032/ERPS) ring instances, node roles, and failover state.

Start monitoring Carrier Ethernet switch/node in a ring topology (ITU-T G.8032 ERPS, vendor-neutral standard) with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.

Download ERPS-MIB

What Is ERPS-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description