H3C-EPON-FB-MIB

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Organization: Hangzhou H3C Technologies Co., Ltd.

Last Updated: 2007-11-27

Category: Technology: EPON/PON, Vendor: H3C/HH3C

Description: H3C MIB for EPON fiber backup management monitoring redundant optical path failover and protection switching.

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What Is H3C-EPON-FB-MIB?

H3C-EPON-FB-MIB manages fiber backup (protection) groups on H3C EPON (Ethernet Passive Optical Network) OLT (Optical Line Terminal) equipment, letting a master fiber/PON port be paired with a slave port for automatic failover. It exposes configuration data — group membership (master/slave port assignment) and row status for creating/deleting a backup group — alongside operational status objects for each port's current active/standby state. Its main hardware-status monitoring value is failover/redundancy health: h3cEponFBMasterPortStatus and h3cEponFBSlavePortStatus reveal which physical port is currently carrying traffic, and h3cEponFBSwitchover shows whether a failover event has occurred, critical for detecting a degraded primary fiber path in an access network. It is a self-contained H3C access-network extension without an explicit stated dependency on external standard MIBs beyond general EPON/OLT interface conventions. It is typically deployed on H3C OLT chassis in EPON-based fiber access networks (FTTH/FTTB) where physical fiber redundancy between OLT and splitter needs to be monitored. Engineers can download the H3C-EPON-FB-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in H3C-EPON-FB-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

H3C EPON OLT (Optical Line Terminal)

Monitoring Examples

An operator would poll h3cEponFBMIBTable/h3cEponFBMIBEntry indexed by h3cEponFBGroupIndex to check h3cEponFBMasterPortStatus versus h3cEponFBSlavePortStatus, confirming traffic is riding the intended master port. An unexpected h3cEponFBSwitchover event combined with the slave port now showing active status would indicate the master fiber path has failed and the OLT has cut over to its backup port, warranting a field dispatch to repair the primary fiber run.

What Can Be Monitored

fiber backup group master/slave assignment
master port status
slave port status
switchover events
backup group row status

Imported Objects

From HUAWEI-3COM-OID-MIB

h3cEpon

OBJECT-IDENTITY

From SNMPv2-SMI

Integer32
MODULE-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

RowStatus

OIDs

OID symbolic	OID numeric	Type	Access	Description
h3cEponFBMibObjects	1.3.6.1.4.1.2011.10.2.42.6			The objects in this MIB module are used to manage and display current configuration of fiber backup groups based on EPON OLT port.
h3cEponFBMIB	1.3.6.1.4.1.2011.10.2.42.6.1
h3cEponFBMIBTable	1.3.6.1.4.1.2011.10.2.42.6.1.1		not-accessible	This table defines several optical fiber-backup system parameters.
h3cEponFBMIBEntry	1.3.6.1.4.1.2011.10.2.42.6.1.1.1		not-accessible	The entry of h3cEponFBMIBTable.
I32 h3cEponFBGroupIndex	1.3.6.1.4.1.2011.10.2.42.6.1.1.1.1	Integer32	not-accessible	The EPON fiber-backup group ID.
ROW h3cEponFBGroupRowStatus	1.3.6.1.4.1.2011.10.2.42.6.1.1.1.2	RowStatus	read-create	This object allows entry to be created and deleted from the h3cEponFBMIBTable.
I32 h3cEponFBMasterPort	1.3.6.1.4.1.2011.10.2.42.6.1.1.1.3	Integer32	read-create	OLT port ifindex of the fiber-backup group. Use it to set or get the group master port.
I32 h3cEponFBSlavePort	1.3.6.1.4.1.2011.10.2.42.6.1.1.1.4	Integer32	read-create	OLT port ifindex of the fiber-backup group. Use it to set or get the group slave port. h3cEponFBSlavePort must be set after h3cEponFBMasterPort.
INT h3cEponFBMasterPortStatus	1.3.6.1.4.1.2011.10.2.42.6.1.1.1.5	INTEGER	read-only	The master port status of the fiber-backup group. The active state indicates that the port's role is master, the olt chip is right and the optical module is inserted. The down state indicates others conditions.
INT h3cEponFBSlavePortStatus	1.3.6.1.4.1.2011.10.2.42.6.1.1.1.6	INTEGER	read-only	The slave port status of the fiber-backup group. The ready state indicates that the port's role is slave, the olt chip is right and optical module is inserted. The down state indicates others conditions.
INT h3cEponFBSwitchover	1.3.6.1.4.1.2011.10.2.42.6.1.1.1.7	INTEGER	read-create	Switch the fiber backup group's two port manually. The group must has two ports and the value of h3cEponFBSlavePortStatus must be ready before Switchover. after Switchover the port's role will be changed. The value true is for switch-over. The default value is false.

RFC description

Manages fiber backup groups and port failover configuration for H3C EPON optical line terminals.

Start monitoring H3C EPON OLT (fiber backup/protection groups) 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 H3C-EPON-FB-MIB

What Is H3C-EPON-FB-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description