HM2-TRAFFICMGMT-MIB

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Organization: Hirschmann Automation and Control GmbH

Last Updated: 2011-03-16

Category: Quality of Service, Technology: QoS, Vendor: Belden

Description: Hirschmann HiOS (HM2) traffic management MIB for rate limiting, storm control, and traffic shaping configuration.

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What Is HM2-TRAFFICMGMT-MIB?

HM2-TRAFFICMGMT-MIB is a Hirschmann Automation and Control vendor MIB (part of the HiOS 'HM2' MIB family, registered under hm2ConfigurationMibs) for configuring per-interface traffic management on Hirschmann industrial Ethernet switches. It models a per-interface table (hm2TrafficMgmtIfTable, indexed by ifIndex) covering flow control, egress shaping rate and its unit (percent or kbps), and broadcast/multicast/unknown-unicast ingress storm-control mode and threshold (percent or absolute pps, up to 14,880,000), plus switch-wide scalars for global flow control and the ingress storm-bucket type (single-bucket vs. multi-bucket, i.e. whether one limiter is shared across storm types or each gets its own). This is useful for monitoring whether storm control and egress shaping are configured and enabled per port on industrial switches, and for confirming threshold values match the intended protection level against broadcast/multicast storms common in ring or bus industrial network topologies. It is deployed on Hirschmann switches running the HiOS firmware alongside other HM2-prefixed configuration MIBs. Engineers configuring industrial network protection can download the HM2-TRAFFICMGMT-MIB file to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in HM2-TRAFFICMGMT-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

Hirschmann industrial switches and routers

Monitoring Examples

An operator polls hm2TrafficMgmtIfIngressStormCtlBcastMode and hm2TrafficMgmtIfIngressStormCtlBcastThreshold for a ring port to confirm broadcast storm control is enabled with an appropriate threshold, then checks hm2TrafficMgmtIfEgressShapingRate; a port showing storm control disabled on a ring-facing interface would be a red flag for potential broadcast-storm propagation in a redundant ring topology.

What Can Be Monitored

per-port flow control state
egress shaping rate and unit
broadcast storm-control mode/threshold
multicast storm-control mode/threshold
unknown-unicast storm-control mode/threshold
switch-wide storm-bucket type (single vs. multi)

Imported Objects

From HM2-TC-MIB

HmEnabledStatus
hm2ConfigurationMibs	OBJECT-IDENTITY

From IF-MIB

ifIndex

OBJECT-TYPE

From SNMPv2-SMI

MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

OIDs

OID symbolic	OID numeric	Type	Access	Description
hm2TrafficMgmtMib	1.3.6.1.4.1.248.11.31			Hirschmann Traffic Management MIB. Copyright (C) 2011. All Rights Reserved.
hm2TrafficMgmtMibNotifications	1.3.6.1.4.1.248.11.31.0
hm2TrafficMgmtMibObjects	1.3.6.1.4.1.248.11.31.1
hm2TrafficMgmtIfTable	1.3.6.1.4.1.248.11.31.1.1		not-accessible	A list of management objects for traffic control per interface.
hm2TrafficMgmtIfEntry	1.3.6.1.4.1.248.11.31.1.1.1		not-accessible	Traffic Mgmt table entry.
HME hm2TrafficMgmtIfFlowControl	1.3.6.1.4.1.248.11.31.1.1.1.1	HmEnabledStatus	read-write	Enables or disables flow control per port
U32 hm2TrafficMgmtIfEgressShapingRate	1.3.6.1.4.1.248.11.31.1.1.1.2	Unsigned32	read-write	Maximum bandwidth allowed for this interface as a whole, typically used to shape the outbound transmission rate. The value is either specified in terms of percentage of overall link speed for the port in 1% increments or absolute in kbps. A value of 0 means there is no maximum bandwidth limit in effect. The default value is 0. Valid value ranges depend on the value returned by object hm2TrafficMgmtIfEgressShapingRateUnit. If that object returns percent(1), hm2TrafficMgmtIfEgressShapingRate accepts values 0..100. If that object returns kbps(2), hm2TrafficMgmtIfEgressShapingRate accepts values 0,64..4294967295.
INT hm2TrafficMgmtIfEgressShapingRateUnit	1.3.6.1.4.1.248.11.31.1.1.1.3	INTEGER	read-only	The unit of the interface shaping value. Can be either percentage of port speed or kilobits per second (kbps).
INT hm2TrafficMgmtIfIngressStormCtlThresholdUnit	1.3.6.1.4.1.248.11.31.1.1.1.4	INTEGER	read-write	Configures the units of the threshold value(s) to percentage of port speed or absolute packets per second.
HME hm2TrafficMgmtIfIngressStormCtlBcastMode	1.3.6.1.4.1.248.11.31.1.1.1.5	HmEnabledStatus	read-write	If enabled, broadcast storm recovery will function on this port. When you specify Enable for Broadcast Storm Recovery and the broadcast traffic on this Ethernet port exceeds the configured threshold, the switch blocks (discards) the broadcast traffic.
U32 hm2TrafficMgmtIfIngressStormCtlBcastThreshold	1.3.6.1.4.1.248.11.31.1.1.1.6	Unsigned32	read-write	Configures the broadcast storm recovery threshold for this port as a percentage of port speed in 1% increments or as an absolute pps rate. This threshold is also valid for multicasts or unknown unicasts, when the device does not support a separate limiter per storm type. (A separate limiter per storm-type is supported when hm2TrafficMgmtIngressStormBucketType has the value 'multi-bucket')
HME hm2TrafficMgmtIfIngressStormCtlMcastMode	1.3.6.1.4.1.248.11.31.1.1.1.7	HmEnabledStatus	read-write	If enabled, multicast storm recovery will function on this port. When you specify Enable for multicast Storm Recovery and the multicast traffic on this Ethernet port exceeds the configured threshold, the switch blocks (discards) the multicast traffic.
U32 hm2TrafficMgmtIfIngressStormCtlMcastThreshold	1.3.6.1.4.1.248.11.31.1.1.1.8	Unsigned32	read-write	Configures the multicast storm recovery threshold for this port as a percentage of port speed in 1% increments or as an absolute pps rate.
HME hm2TrafficMgmtIfIngressStormCtlUcastMode	1.3.6.1.4.1.248.11.31.1.1.1.9	HmEnabledStatus	read-write	If enabled, unknown unicast storm recovery will function on this port. When you specify Enable for unicast Storm Recovery and the unknown unicast traffic on this Ethernet port exceeds the configured threshold, the switch blocks (discards) the unknown unicast traffic.
U32 hm2TrafficMgmtIfIngressStormCtlUcastThreshold	1.3.6.1.4.1.248.11.31.1.1.1.10	Unsigned32	read-write	Configures the unicast storm recovery threshold for this port as a percentage of port speed in 1% increments or as an absolute pps rate.
HME hm2TrafficMgmtFlowControl	1.3.6.1.4.1.248.11.31.1.2	HmEnabledStatus	read-write	Enables or disables flow control for the switch unit.
INT hm2TrafficMgmtIngressStormBucketType	1.3.6.1.4.1.248.11.31.1.3	INTEGER	read-only	Enables or disables ingress storm admin state.

RFC description

Hirschmann traffic management including flow control and storm control configuration.

Start monitoring Hirschmann industrial switches and routers 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 HM2-TRAFFICMGMT-MIB

What Is HM2-TRAFFICMGMT-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description