H3C-STACK-MIB

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Organization: Hangzhou H3C Technologies Co., Ltd.

Last Updated: 2008-04-30

Category: Technology: Stacking, Vendor: H3C/HH3C

Description: H3C MIB for IRF (Intelligent Resilient Framework) stack management including member roles, ports, and topology.

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What Is H3C-STACK-MIB?

H3C-STACK-MIB manages STM (Stack Topology Management) for H3C's IRF (Intelligent Resilient Framework), the technology that virtualizes multiple physical H3C switches into a single logical device. It exposes stack-wide configuration such as the maximum number of members, current member count, maximum configurable priority, auto-update and MAC-persistence behavior, link-delay interval, overall topology, and a per-member device configuration table tracking member IDs and priorities. Its central monitoring role is hardware/topology status: confirming the actual h3cStackMemberNum matches the expected number of chassis in the fabric, verifying each member's role/priority is as configured, and watching h3cStackTrap notifications for member join/leave or topology-change events that indicate a chassis has failed or a stack link has gone down. The MIB explicitly notes it is applicable to IRF-capable products and that some objects may be platform-specific, so exact behavior should be confirmed against vendor documentation. It is deployed in H3C switches and routers configured as IRF stacks for high availability and simplified management. Engineers can download the H3C-STACK-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in H3C-STACK-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-capable switches and routers

Monitoring Examples

An administrator would poll h3cStackMemberNum against h3cStackMaxMember to confirm all expected chassis are present in the IRF fabric, and walk h3cStackDeviceConfigTable (h3cStackDeviceConfigEntry) keyed by h3cStackMemberID to check each member's h3cStackConfigMemberID and h3cStackPriority assignments, which determine master-election behavior. h3cStackTopology reveals whether the stack is in a ring or chain topology, important for assessing resilience to a single link failure, while h3cStackLinkDelayInterval and h3cStackMacPersistence relate to failover timing behavior. A h3cStackTrap notification carrying h3cStackTrapOjbects data would alert the operator in real time to a member leaving or rejoining the stack.

What Can Be Monitored

stack member count vs. maximum
per-member priority and role
stack topology (ring/chain)
member join/leave trap events
auto-update and MAC-persistence settings

Imported Objects

From ENTITY-MIB

entPhysicalIndex

OBJECT-TYPE

From HUAWEI-3COM-OID-MIB

h3cCommon

OBJECT-IDENTITY

From SNMPv2-SMI

Integer32
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE

OIDs

OID symbolic	OID numeric	Type	Access	Description
h3cStack	1.3.6.1.4.1.2011.10.2.91			This MIB is used to manage STM (Stack Topology Management) information for IRF (Intelligent Resilient Framework) device. This MIB is applicable to products which support IRF. Some objects in this MIB may be used only for some specific products, so users should refer to the related documents to acquire more detailed information.
h3cStackGlobalConfig	1.3.6.1.4.1.2011.10.2.91.1
I32 h3cStackMaxMember	1.3.6.1.4.1.2011.10.2.91.1.1	Integer32	read-only	The maximum number of members in a stack.
I32 h3cStackMemberNum	1.3.6.1.4.1.2011.10.2.91.1.2	Integer32	read-only	The number of members currently in a stack.
I32 h3cStackMaxConfigPriority	1.3.6.1.4.1.2011.10.2.91.1.3	Integer32	read-only	The highest priority that can be configured for a member in a stack.
INT h3cStackAutoUpdate	1.3.6.1.4.1.2011.10.2.91.1.4	INTEGER	read-write	The function for automatically updating the image from master to slave. When a new device tries to join a stack, the image version is checked. When this function is enabled, if the image version of the new device is different from that of the master, the image of the new device will be updated to be consistent with that of the master. When this function is disabled, the new device can not join the stack if the image version of the new device is different from that of the master. disabled: disable auto update function enabled: enable auto update function
INT h3cStackMacPersistence	1.3.6.1.4.1.2011.10.2.91.1.5	INTEGER	read-write	The mode of bridge MAC address persistence. When a stack starts, the bridge MAC address of master board will be used as that of the stack. If the master board leaves the stack, the bridge MAC address of the stack will change based on the mode of bridge MAC address persistence. notPersist: The bridge MAC address of the new master board will be used as that of the stack immediately. persistForSixMin: The bridge MAC address will be reserved for six minutes. In this period, if the master board which has left the stack rejoins the stack, the bridge MAC address of the stack will not change. Otherwise, the bridge MAC address of the new master board will be used as that of the stack. persistForever: Whether the master leaves or not, the bridge MAC address of the stack will never change.
INT h3cStackLinkDelayInterval	1.3.6.1.4.1.2011.10.2.91.1.6	INTEGER	read-write	The delay time for a device in a stack to report the change of stack port link status. If the delay time is configured, a device in a stack will not report the change immediately when the stack port link status changes to down. During the delay period, if the stack port link status is resumed, the device will ignore the current change of the stack port link status. If the stack port link status is not resumed after the delay time, the device will report the change. 0 means no delay, namely, the device will report the change as soon as the stack port link status changes to down. 0: no delay 200-2000(ms): delay time
INT h3cStackTopology	1.3.6.1.4.1.2011.10.2.91.1.7	INTEGER	read-only	The topology of the stack. chainConn: chain connection ringConn: ring connection
h3cStackDeviceConfigTable	1.3.6.1.4.1.2011.10.2.91.2		not-accessible	This table contains objects to manage device information in a stack.
h3cStackDeviceConfigEntry	1.3.6.1.4.1.2011.10.2.91.2.1		not-accessible	This table contains objects to manage device information in a stack.
I32 h3cStackMemberID	1.3.6.1.4.1.2011.10.2.91.2.1.1	Integer32	read-only	The member ID of the device in a stack.
I32 h3cStackConfigMemberID	1.3.6.1.4.1.2011.10.2.91.2.1.2	Integer32	read-write	The configured member ID of the device. The valid value ranges from 1 to the value of h3cStackMaxMember. After the member ID is configured for a device, if this ID is not the same with that of another device, the ID will be used as the member ID of the device when the device reboots. If a same ID exists, the member ID of the device will be set as another exclusive ID automatically.
I32 h3cStackPriority	1.3.6.1.4.1.2011.10.2.91.2.1.3	Integer32	read-write	The priority of a device in a stack. The valid value ranges from 1 to the value of h3cStackMaxConfigPriority.
I32 h3cStackPortNum	1.3.6.1.4.1.2011.10.2.91.2.1.4	Integer32	read-only	The number of stack ports which is enabled in a device.
I32 h3cStackPortMaxNum	1.3.6.1.4.1.2011.10.2.91.2.1.5	Integer32	read-only	The maximum number of stack ports in a device.
h3cStackBoardConfigTable	1.3.6.1.4.1.2011.10.2.91.3		not-accessible	This table contains objects to manage board information of the device in a stack.
h3cStackBoardConfigEntry	1.3.6.1.4.1.2011.10.2.91.3.1		not-accessible	This table contains objects to manage board information of the device in a stack.
INT h3cStackBoardRole	1.3.6.1.4.1.2011.10.2.91.3.1.1	INTEGER	read-only	The role of the board in a stack. slave: slave board master: master board loading: slave board whose image version is different from that of the master board. other: other
I32 h3cStackBoardBelongtoMember	1.3.6.1.4.1.2011.10.2.91.3.1.2	Integer32	read-only	The member ID of the device where the current board resides in a stack.
h3cStackPortInfoTable	1.3.6.1.4.1.2011.10.2.91.4		not-accessible	This table contains objects to manage stack port information of a device in a stack.
h3cStackPortInfoEntry	1.3.6.1.4.1.2011.10.2.91.4.1		not-accessible	This table contains objects to manage stack port information of a device in a stack.
I32 h3cStackPortIndex	1.3.6.1.4.1.2011.10.2.91.4.1.1	Integer32	accessible-for-notify	The index of a stack port of the device in a stack.
INT h3cStackPortEnable	1.3.6.1.4.1.2011.10.2.91.4.1.2	INTEGER	read-only	The status of the stack port of the device in a stack. If no physical port is added to the stack port, its status is 'disabled'; otherwise, its status is 'enabled'. disabled: The stack port is disabled. enabled: The stack port is enabled.
INT h3cStackPortStatus	1.3.6.1.4.1.2011.10.2.91.4.1.3	INTEGER	read-only	The link status of the stack port of the device in a stack. up: The link status of a stack port with reasonable physical connection is up. down: The link status of a stack port without physical connection is down. silent: The link status of a stack port which can not be used normally is silent. disabled: The link status of a stack port in disabled status is disabled.
I32 h3cStackNeighbor	1.3.6.1.4.1.2011.10.2.91.4.1.4	Integer32	read-only	The member ID of the stack port's neighbor in a stack. 0 means no neighbor exists.
h3cStackPhyPortInfoTable	1.3.6.1.4.1.2011.10.2.91.5		not-accessible	This table contains objects to manage the information for physical ports which can be used for physical connection of stack port in a stack.
h3cStackPhyPortInfoEntry	1.3.6.1.4.1.2011.10.2.91.5.1		not-accessible	This table contains objects to manage the information for physical ports which can be used for physical connection of stack port in a stack.
I32 h3cStackBelongtoPort	1.3.6.1.4.1.2011.10.2.91.5.1.1	Integer32	read-write	The index of the stack port to which the physical port is added. 0 means the physical port is not added to any stack port. The value will be valid after the device in the stack reboots.
h3cStackTrap	1.3.6.1.4.1.2011.10.2.91.6
h3cStackTrapOjbects	1.3.6.1.4.1.2011.10.2.91.6.0
NTF h3cStackPortLinkStatusChange	1.3.6.1.4.1.2011.10.2.91.6.0.1			The h3cStackPortLinkStatusChange trap indicates that the link status of the stack port has changed.
NTF h3cStackTopologyChange	1.3.6.1.4.1.2011.10.2.91.6.0.2			The h3cStackTopologyChange trap indicates that the topology type of the stack has changed.

RFC description

Vendor-private MIB for H3C stack management in modular network devices; monitors and configures member devices in a stacked switch system.

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Download H3C-STACK-MIB

What Is H3C-STACK-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description