NBS-REDUNDANCY-MIB

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Organization: NBS

Last Updated: 2015-05-01

Category: Optical Networking

Description: Manages equipment and link redundancy protection switching states and configurations on NBS optical platforms.

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What Is NBS-REDUNDANCY-MIB?

NBS-REDUNDANCY-MIB is an NBS proprietary MIB configuring redundant-interface (failover) pairs on NBS-based switches. Its configuration table, keyed by index, records the partner interface index (admin/oper), redundancy status (admin/oper), preferred-unit flag, standby-transmit admin setting and toggle action, interface type, and group number, while a group table records group number, operational status, mode (admin/oper), and Y-cable presence (admin/oper). As a configuration/status MIB it lets an administrator confirm which interface is the preferred/active member of a redundant pair and whether Y-cable protection is present. It is deployed on NBS-based managed switches with redundant-interface support. Engineers can download the NBS-REDUNDANCY-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in NBS-REDUNDANCY-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

NBS-based managed switches (redundant interfaces)

Monitoring Examples

An administrator checks nbsRedundCfgStatusOper and nbsRedundGroupCfgYcableOper to confirm a redundant interface pair is correctly failed over and Y-cable protected on an NBS-based switch.

What Can Be Monitored

redundant interface pair status and Y-cable presence

Imported Objects

From IF-MIB

InterfaceIndex

From NBS-CMMC-MIB

nbsCmmcChassisIndex	OBJECT-TYPE
nbsCmmcPortIndex	OBJECT-TYPE
nbsCmmcSlotIndex	OBJECT-TYPE

From NBS-MIB

nbs	OBJECT-IDENTITY

From SNMPv2-SMI

MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

RowStatus

OIDs

OID symbolic	OID numeric	Type	Access	Description
nbsRedundancyMib	1.3.6.1.4.1.629.221			Information Base for redundancy settings.
nbsRedundCfgGrp	1.3.6.1.4.1.629.221.1			Redundancy settings
INT nbsRedundCfgTableSize	1.3.6.1.4.1.629.221.1.1	INTEGER	read-only	The number of entries in nbsRedundCfgTable.
nbsRedundCfgTable	1.3.6.1.4.1.629.221.1.2		not-accessible	This table lists all ports that can be redundant group members.
nbsRedundCfgEntry	1.3.6.1.4.1.629.221.1.2.1		not-accessible	Redundancy status of a port.
NUM nbsRedundCfgNdx	1.3.6.1.4.1.629.221.1.2.1.1	InterfaceIndex	not-accessible	Unique index of a redundant port.
NUM nbsRedundCfgPartnerNdxAdmin	1.3.6.1.4.1.629.221.1.2.1.2	InterfaceIndex	read-write	Administratively desired InterfaceIndex of the other port in this port's redundant pair.
NUM nbsRedundCfgPartnerNdxOper	1.3.6.1.4.1.629.221.1.2.1.3	InterfaceIndex	read-only	Current operational InterfaceIndex of the other port in this port's redundant pair.
INT nbsRedundCfgStatusAdmin	1.3.6.1.4.1.629.221.1.2.1.10	INTEGER	read-write	Impulse. Used to trigger an immediate switchover. Equivalent (aliased) to nbsCmmcPortSelectLink.
INT nbsRedundCfgStatusOper	1.3.6.1.4.1.629.221.1.2.1.11	INTEGER	read-only	Actual redundancy status of this port.
INT nbsRedundCfgPreferredAdmin	1.3.6.1.4.1.629.221.1.2.1.20	INTEGER	read-write	Persistent. Used to optionally indicate one port in a redundant pair should always be active if it has ifOperStatus up(1). Equivalent/aliased to nbsCmmcPortPreferred. Setting one port to preferActive(3) forces its redundant partner to preferNot(2). Setting a port to preferNot(2) has no effect on its redundant partner.
INT nbsRedundCfgStandbyTxAdmin	1.3.6.1.4.1.629.221.1.2.1.30	INTEGER	read-write	Persistent. Desired transmitter state for this port when it is in standby. Equivalent/aliased to nbsCmmcPortRedundantTxMode. If this cannot be selected by the user, this should be notSupported(1). For 1+1 redundancy, use standbyHot(3). For 1:1 redundancy, use standbyCold(2).
INT nbsRedundCfgStandbyTxToggle	1.3.6.1.4.1.629.221.1.2.1.40	INTEGER	read-write	Persistent. Setting this to txToggle(3) allows a formerly active port that detects no signal to notify its remote partner that it is ready to transmit and connectivity is re-established between them. Enabling this feature may result in unnecessary switchovers and dropped traffic.
INT nbsRedundCfgIfTypeAdmin	1.3.6.1.4.1.629.221.1.2.1.50	INTEGER	read-write	This port's administratively desired type
INT nbsRedundCfgIfTypeOper	1.3.6.1.4.1.629.221.1.2.1.51	INTEGER	read-only	This port's current operational type
INT nbsRedundCfgGroupNumberAdmin	1.3.6.1.4.1.629.221.1.2.1.60	INTEGER	read-write	This port's administratively desired group.
INT nbsRedundCfgGroupNumberOper	1.3.6.1.4.1.629.221.1.2.1.61	INTEGER	read-only	This port's current operational group.
INT nbsRedundGroupCfgTableSize	1.3.6.1.4.1.629.221.1.3	INTEGER	read-only	The number of entries in nbsRedundGroupCfgTable.
nbsRedundGroupCfgTable	1.3.6.1.4.1.629.221.1.4		not-accessible	This table lists all ports in a redundant pair.
nbsRedundGroupCfgEntry	1.3.6.1.4.1.629.221.1.4.1		not-accessible	Redundancy status of a port.
NUM nbsRedundGroupCfgNdx	1.3.6.1.4.1.629.221.1.4.1.1	InterfaceIndex	not-accessible	Unique index of a slot.
INT nbsRedundGroupCfgNumber	1.3.6.1.4.1.629.221.1.4.1.2	INTEGER	not-accessible	Unique index of a slot's group number.
OCT nbsRedundGroupCfgOper	1.3.6.1.4.1.629.221.1.4.1.13	OCTET STRING	read-only	This bitmask indicates this group's current operational port membership. Bit 0 is reserved.
INT nbsRedundGroupCfgModeAdmin	1.3.6.1.4.1.629.221.1.4.1.15	INTEGER	read-create	This group's administratively desired mode. For modeA, when a faulty condition occurs on one member, all the members in the group will take the same action concurrently. For modeB, only the faulty member will take action.
INT nbsRedundGroupCfgModeOper	1.3.6.1.4.1.629.221.1.4.1.16	INTEGER	read-only	This group's current operational mode
INT nbsRedundGroupCfgYcableAdmin	1.3.6.1.4.1.629.221.1.4.1.20	INTEGER	read-create	This object is used to enable and disable Y-Cable redundancy on a group.
INT nbsRedundGroupCfgYcableOper	1.3.6.1.4.1.629.221.1.4.1.21	INTEGER	read-only	This Ycable group's current operational status.
ROW nbsRedundGroupCfgRowStatus	1.3.6.1.4.1.629.221.1.4.1.50	RowStatus	read-create	This table RowStatus object to create, modify and delete the rows
nbsRedundEventGrp	1.3.6.1.4.1.629.221.100			Redundancy-related events
nbsYcableTraps	1.3.6.1.4.1.629.221.100.0			Y-cable Traps or Notifications
NTF nbsYcableTrapsStatusChanged	1.3.6.1.4.1.629.221.100.0.10			Sent when the nbsRedundCfgStatusOper of a port changes. This Notification should be of Severity INFO.

RFC description

NBS redundancy configuration and event MIB for managing port redundancy, Y-cable failover, and redundancy-related notifications.

Start monitoring NBS-based managed switch (redundant-interface failover pairs) 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 NBS-REDUNDANCY-MIB

What Is NBS-REDUNDANCY-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description