QOS-ISCSI-MIB

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Organization: Quanta Computer Inc.

Last Updated: 2011-08-31

Category: QoS and Traffic Management

Description: Manages Quanta Computer switch iSCSI-aware QoS configuration for storage traffic prioritization and flow detection.

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What Is QOS-ISCSI-MIB?

QOS-ISCSI-MIB is a Quanta Computer switch MIB for iSCSI-aware Quality of Service, part of a QoS Flex package that lets the switch automatically detect and prioritize iSCSI storage traffic. It exposes global enable/timeout settings for iSCSI flow acceleration, the QoS marking mechanism to apply (VLAN priority/CoS or DSCP remarking), and a target-configuration table identifying specific iSCSI targets by TCP port, IP address, and name for targeted acceleration. For monitoring, an administrator checks whether iSCSI flow acceleration is enabled and correctly aging out stale flows (agentIscsiFlowAccelerationAgingTimeOut), and verifies the configured target table matches the actual storage targets in use, since a missing or stale target entry means that traffic won't receive the intended QoS treatment. It depends on the switch's underlying QoS/CoS and DSCP marking infrastructure to actually apply the prioritization this module configures. It is deployed on Quanta data-center switches connecting servers to iSCSI SAN storage, where storage traffic must be prioritized over general LAN traffic to avoid latency-sensitive I/O degradation. Engineers can download the QOS-ISCSI-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in QOS-ISCSI-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

Quanta Computer data-center switch

Monitoring Examples

An administrator would check agentIscsiFlowAccelerationEnable and agentIscsiFlowAccelerationQosType to confirm iSCSI acceleration is active and whether it remarks traffic using CoS (agentIscsiFlowAccelerationQosVptValue) or DSCP (agentIscsiFlowAccelerationQosDscpValue). Reviewing agentIscsiFlowAccelerationTargetConfigTable entries, keyed by agentIscsiFlowAccelerationTargetConfigAddr and agentIscsiFlowAccelerationTargetConfigTcpPort, confirms the switch recognizes the correct iSCSI target IP and port; a missing entry for an active storage target would explain unexpectedly poor storage I/O performance during congestion.

What Can Be Monitored

iSCSI flow acceleration enable status
flow aging timeout
QoS marking type (CoS/DSCP)
configured iSCSI target IP/port/name
CoS enable status

Imported Objects

From QOS-MIB

qos	MODULE-IDENTITY

From SNMPv2-SMI

IpAddress
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE
TimeTicks
Unsigned32

From SNMPv2-TC

DateAndTime
DisplayString
RowStatus
TEXTUAL-CONVENTION
TruthValue

OIDs

OID symbolic	OID numeric	Type	Access	Description
iscsiFlowAcceleration	1.3.6.1.4.1.7244.2.3.5			The MIB definitions for Quality of Service - iSCSI Flow Acceleration Flex package.
agentIscsiFlowAccelerationGlobalConfigGroup	1.3.6.1.4.1.7244.2.3.5.1
T/F agentIscsiFlowAccelerationEnable	1.3.6.1.4.1.7244.2.3.5.1.1	TruthValue	read-write	Enable/Disable iSCSI Flow Acceleration globally on the system.
INT agentIscsiFlowAccelerationAgingTimeOut	1.3.6.1.4.1.7244.2.3.5.1.2	INTEGER	read-write	The time in minutes that should pass before session is aged out after the last frame detected for the session.
QOS agentIscsiFlowAccelerationQosType	1.3.6.1.4.1.7244.2.3.5.1.3	QosType	read-write	Current type of QoS for iSCSI packets
U32 agentIscsiFlowAccelerationQosVptValue	1.3.6.1.4.1.7244.2.3.5.1.4	Unsigned32	read-write	The value of VPT or DSCP, depends on agentIscsiFlowAccelerationQosType, that will be assigned to each iSCSI packet. The range of VPT value is 0..7
U32 agentIscsiFlowAccelerationQosDscpValue	1.3.6.1.4.1.7244.2.3.5.1.5	Unsigned32	read-write	The value of VPT or DSCP, depends on agentIscsiFlowAccelerationQosType, that will be assigned to each iSCSI packet. The range of DSCP value is 0..63
T/F agentIscsiFlowAccelerationQosRemark	1.3.6.1.4.1.7244.2.3.5.1.6	TruthValue	read-write	Whether iSCSI frames with the configured VPT or DSCP when egressing the switch.
T/F agentIscsiFlowAccelerationCosEnable	1.3.6.1.4.1.7244.2.3.5.1.7	TruthValue	read-write	Enable/Disable CoS mode for iSCSI Flow Acceleration globally on the system.
agentIscsiFlowAccelerationTargetConfigTable	1.3.6.1.4.1.7244.2.3.5.2		not-accessible	The table for configuration of iSCSI target TCP port number, IP address, and name. It is indexed by agentIscsiFlowAccelerationTargetConfigTcpPort and agentIscsiFlowAccelerationTargetConfigAddr.
agentIscsiFlowAccelerationTargetConfigEntry	1.3.6.1.4.1.7244.2.3.5.2.1		not-accessible	Row in the iSCSI Target configuration table.
U32 agentIscsiFlowAccelerationTargetConfigTcpPort	1.3.6.1.4.1.7244.2.3.5.2.1.1	Unsigned32	not-accessible	The TCP port of configured target.
IP agentIscsiFlowAccelerationTargetConfigAddr	1.3.6.1.4.1.7244.2.3.5.2.1.2	IpAddress	not-accessible	Specifies the target address. If the target address is to be ignored the address should be 0.0.0.0.
STR agentIscsiFlowAccelerationTargetConfigName	1.3.6.1.4.1.7244.2.3.5.2.1.3	DisplayString	read-create	The target IQN name. This text is not used to match on network traffic. It serves as an identifying comment for administrative convenience.
ROW agentIscsiFlowAccelerationTargetConfigStatus	1.3.6.1.4.1.7244.2.3.5.2.1.4	RowStatus	read-create	The status of the target. It's used to add/delete a target. active(1) - this ACL instance is active createAndGo(4) - set to this value to create an instance destroy(6) - set to this value to delete an instance
agentIscsiFlowAccelerationSessionTable	1.3.6.1.4.1.7244.2.3.5.3		not-accessible	A table that contains iSCSI sessions. It is indexed as assigned by system.
agentIscsiFlowAccelerationSessionEntry	1.3.6.1.4.1.7244.2.3.5.3.1		not-accessible	An entry in the agentIscsiFlowAccelerationSessionTable.
U32 agentIscsiFlowAccelerationSessionIndex	1.3.6.1.4.1.7244.2.3.5.3.1.1	Unsigned32	not-accessible	Numerical index of session table entry assigned by system.
STR agentIscsiFlowAccelerationTargetName	1.3.6.1.4.1.7244.2.3.5.3.1.2	DisplayString	read-only	The target name
STR agentIscsiFlowAccelerationInitiatorName	1.3.6.1.4.1.7244.2.3.5.3.1.3	DisplayString	read-only	The initiator name
OCT agentIscsiFlowAccelerationSessionISID	1.3.6.1.4.1.7244.2.3.5.3.1.4	OCTET STRING	read-only	The ISID of current session.
U32 agentIscsiFlowAccelerationSessAgingTime	1.3.6.1.4.1.7244.2.3.5.3.1.5	Unsigned32	read-only	The elapsed time in minutes since the traffic was detected on any connections associated with this session.
U32 agentIscsiFlowAccelerationSessionUpTime	1.3.6.1.4.1.7244.2.3.5.3.1.6	Unsigned32	read-only	Time elapsed since the session was detected, in seconds.
agentIscsiFlowAccelerationConnectionTable	1.3.6.1.4.1.7244.2.3.5.4		not-accessible	A table that contains iSCSI connections. It is indexed as assigned by system.
agentIscsiFlowAccelerationConnectionEntry	1.3.6.1.4.1.7244.2.3.5.4.1		not-accessible	An entry in the agentIscsiFlowAccelerationConnectionTable.
U32 agentIscsiFlowAccelerationConnectionIndex	1.3.6.1.4.1.7244.2.3.5.4.1.1	Unsigned32	not-accessible	Numerical index of connection table entry assigned by system.
IP agentIscsiFlowAccelerationConnectionTargetAddr	1.3.6.1.4.1.7244.2.3.5.4.1.2	IpAddress	read-only	The connection target address.
U32 agentIscsiFlowAccelerationConnectionTargetPort	1.3.6.1.4.1.7244.2.3.5.4.1.3	Unsigned32	read-only	The TCP port of connection target.
IP agentIscsiFlowAccelerationConnectionInitiatorAddr	1.3.6.1.4.1.7244.2.3.5.4.1.4	IpAddress	read-only	The connection initiator address.
U32 agentIscsiFlowAccelerationConnectionInitiatorPort	1.3.6.1.4.1.7244.2.3.5.4.1.5	Unsigned32	read-only	The TCP port of connection initiator.
U32 agentIscsiFlowAccelerationConnectionCID	1.3.6.1.4.1.7244.2.3.5.4.1.6	Unsigned32	read-only	The iSCSI CID for this connection.
U32 agentIscsiFlowAccelerationConnectionSessionIndex	1.3.6.1.4.1.7244.2.3.5.4.1.7	Unsigned32	read-only	The index of the session associated with this connection. Refers to the index of agentIscsiFlowAccelerationSessionIndex in agentIscsiFlowAccelerationSessionTable.

RFC description

Quality of Service configuration for iSCSI flow acceleration on storage networks.

Start monitoring Quanta Computer data-center switch (iSCSI flow acceleration QoS) 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 QOS-ISCSI-MIB

What Is QOS-ISCSI-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description