H3C-RDDC-MIB

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Organization: Hangzhou H3C Tech. Co., Ltd.

Last Updated: 2014-01-03

Category: Technology: High Availability, Vendor: H3C/HH3C

Description: H3C MIB for Redundant Device Discovery and Communication (RDDC) managing device redundancy and active/standby roles.

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What Is H3C-RDDC-MIB?

H3C-RDDC-MIB manages Redundancy Group (RDDC) functionality within H3C's IRF (Intelligent Resilient Framework) stacking technology, ensuring minimal data/control-plane disruption if a node in an IRF fabric fails over to a backup. It exposes group-level tables tracking preemption and hold timers (remaining vs. configured) plus a node table identifying each member's group and node ID, with notifications for redundancy state changes. This is fundamentally a hardware/software resiliency and failover-status MIB — it tells operators whether an IRF redundancy group is stable or a preemption/failover event is in progress, critical for high-availability monitoring of stacked chassis. It's closely tied to H3C's IRF stacking architecture, so it depends on that vendor-specific clustering framework rather than a generic IETF standard. It's deployed on H3C IRF-stacked switches/routers where multiple physical chassis operate as one logical redundant system. Engineers can download the H3C-RDDC-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in H3C-RDDC-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 IRF-stacked switches
H3C IRF-stacked routers

Monitoring Examples

An operator would poll h3cRddcTable/h3cRddcEntry for a given h3cRddcGroupIdx to check h3cRddcPreempTimeRemain against h3cRddcPreempTimeConfig, revealing whether a preemption countdown is currently active (indicating a former primary node is about to reclaim its role). Checking h3cRddcHoldTimeRemain shows whether the group is in a hold-down period after a failover. Cross-referencing h3cRddcNodeTable/h3cRddcNodeEntry by h3cRddcNodeGroupIdx and h3cRddcNodeId confirms which physical node currently holds each role, and h3cRddcNotifications would alert the NOC the moment a failover occurs.

What Can Be Monitored

redundancy group preemption timer
redundancy group hold timer
node group/role membership
redundancy failover notifications

Imported Objects

From HUAWEI-3COM-OID-MIB

h3cCommon

OBJECT-IDENTITY

From IF-MIB

ifDescr	OBJECT-TYPE
ifIndex	OBJECT-TYPE

From SNMPv2-SMI

Integer32
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

DisplayString

OIDs

OID symbolic	OID numeric	Type	Access	Description
h3cRddc	1.3.6.1.4.1.2011.10.2.151			Redundancy group is concerned with ensuring minimal disruption to data and control planes in case of a failover. If one of the group-node in an IRF fails, the other group-node in the IRF takes over the function of the failed group-node with minimal service interruption. This module defines the objects pertaining to redundancy group(RDDC).
h3cRddcNotifications	1.3.6.1.4.1.2011.10.2.151.0
NTF h3cRddcSwitchoverTrap	1.3.6.1.4.1.2011.10.2.151.0.1			Notification to signal switchover/failover.
NTF h3cRddcFailIfRecoverTrap	1.3.6.1.4.1.2011.10.2.151.0.2			Notification to signal the failed interface recovered.
NTF h3cRddcFailIfGenerateTrap	1.3.6.1.4.1.2011.10.2.151.0.3			Notification to signal the failed interface generated.
h3cRddcObjects	1.3.6.1.4.1.2011.10.2.151.1
h3cRddcInfo	1.3.6.1.4.1.2011.10.2.151.1.1
h3cRddcTable	1.3.6.1.4.1.2011.10.2.151.1.1.1		not-accessible	This table describes the current status of redundancy groups.
h3cRddcEntry	1.3.6.1.4.1.2011.10.2.151.1.1.1.1		not-accessible	The entry of h3cRddcEntry.
U32 h3cRddcGroupIdx	1.3.6.1.4.1.2011.10.2.151.1.1.1.1.1	Unsigned32	accessible-for-notify	Unique identifier of this redundancy group. 0 is an invalid value.
OCT h3cRddcGroupName	1.3.6.1.4.1.2011.10.2.151.1.1.1.1.2	OCTET STRING	read-only	Unique identifier of this redundancy group.
U32 h3cRddcPreempTimeRemain	1.3.6.1.4.1.2011.10.2.151.1.1.1.1.3	Unsigned32	read-only	The redundancy group should not switch back immediately when a failover is recovered. The preempt delay timer is started for waiting the failover became believable. This object contains the current preempt delay time remained when a failover is recovered.
U32 h3cRddcPreempTimeConfig	1.3.6.1.4.1.2011.10.2.151.1.1.1.1.4	Unsigned32	read-only	The current preempt delay time.
U32 h3cRddcHoldTimeRemain	1.3.6.1.4.1.2011.10.2.151.1.1.1.1.5	Unsigned32	read-only	To prevent frequent switchovers of the redundancy group, the hold-down timer started to keeping in a state for a fixed time. This object contains the current remained hold-down time when a switchover or a failover recovery occurred.
U32 h3cRddcHoldTimeConfig	1.3.6.1.4.1.2011.10.2.151.1.1.1.1.6	Unsigned32	read-only	The current hold-down time.
h3cRddcNodeTable	1.3.6.1.4.1.2011.10.2.151.1.1.2		not-accessible	This table describes the current status of a redundancy group node.
h3cRddcNodeEntry	1.3.6.1.4.1.2011.10.2.151.1.1.2.1		not-accessible	The entry of h3cRddcNodeEntry.
U32 h3cRddcNodeGroupIdx	1.3.6.1.4.1.2011.10.2.151.1.1.2.1.1	Unsigned32	not-accessible	Unique identifier of this redundancy group. 0 is an invalid value.
U32 h3cRddcNodeId	1.3.6.1.4.1.2011.10.2.151.1.1.2.1.2	Unsigned32	not-accessible	Unique identifier of this redundancy group node. 0 is an invalid value.
INT h3cRddcNodeBindType	1.3.6.1.4.1.2011.10.2.151.1.1.2.1.3	INTEGER	read-only	The bind type of this redundancy group node. The current version only supports binding chassis of an IRF device.
U32 h3cRddcNodeBindInfo	1.3.6.1.4.1.2011.10.2.151.1.1.2.1.4	Unsigned32	read-only	The bind information of this redundancy group node. The current version only supports binding chassis of an IRF device. If the value of h3cRddcNodeBindType is invalid, the value of h3cRddcNodeBindInfo is 65535.
U32 h3cRddcNodePriority	1.3.6.1.4.1.2011.10.2.151.1.1.2.1.5	Unsigned32	read-only	The priority of this redundancy group node. The higher the value, the greater the priority.
I32 h3cRddcNodeWeight	1.3.6.1.4.1.2011.10.2.151.1.1.2.1.6	Integer32	read-only	The current weight of this redundancy group node. The max value is 255.
INT h3cRddcNodeStatus	1.3.6.1.4.1.2011.10.2.151.1.1.2.1.7	INTEGER	read-only	The current status of this redundancy group node.
h3cRddcTrapObjects	1.3.6.1.4.1.2011.10.2.151.1.2
STR h3cRddcNodeInfo	1.3.6.1.4.1.2011.10.2.151.1.2.1	DisplayString	accessible-for-notify	This object contains node identification information where the switchover occurred.
STR h3cRddcSwitchReason	1.3.6.1.4.1.2011.10.2.151.1.2.2	DisplayString	accessible-for-notify	This object contains the cause for switchover.

RFC description

Vendor-private MIB for H3C devices managing RDDC (Redundancy group) status and failover in IRF (Intelligent Resilient Framework) systems.

Start monitoring H3C IRF-stacked switch/router (Redundancy Group failover) 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-RDDC-MIB

What Is H3C-RDDC-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description