EdgeSwitch-QOS-ISCSI-MIB

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Organization: Broadcom Inc

Last Updated: 2011-01-26

Category: Quality of Service, Technology: QoS, Vendor: EdgeSwitch/Ubiquiti

Description: Ubiquiti EdgeSwitch iSCSI QoS MIB for automatically prioritizing iSCSI storage traffic to ensure low-latency data paths.

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What Is EdgeSwitch-QOS-ISCSI-MIB?

EdgeSwitch-QOS-ISCSI-MIB is a Ubiquiti Networks vendor MIB for the EdgeSwitch product line's iSCSI Flow Acceleration QoS package, which automatically detects and prioritizes iSCSI storage traffic to reduce latency for IP-based storage. It exposes global iSCSI acceleration settings (enable state, aging timeout, QoS type/marking values) as well as a per-target configuration table identifying specific iSCSI targets by TCP port, IP address, and target name. As a configuration/software-status MIB it lets an operator confirm which iSCSI targets are registered for acceleration and verify the QoS marking (VPT/DSCP) applied to their traffic — a target missing from agentIscsiFlowAccelerationTargetConfigTable, or acceleration showing disabled, would explain unexpectedly high storage-traffic latency. It relies on standard QoS marking concepts (802.1p VPT, DSCP) referenced directly in its own objects rather than a separate MIB dependency. It's typically deployed on Ubiquiti EdgeSwitch devices in networks running IP-based (iSCSI) storage traffic that need low-latency prioritization over a shared Ethernet fabric. Engineers can download the EdgeSwitch-QOS-ISCSI-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in EdgeSwitch-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

Ubiquiti EdgeSwitch (managed Ethernet switch)

Monitoring Examples

An admin would check agentIscsiFlowAccelerationEnable to confirm the feature is globally active and agentIscsiFlowAccelerationAgingTimeOut to see how long a flow stays classified as accelerated. Polling agentIscsiFlowAccelerationTargetConfigTable/Entry (agentIscsiFlowAccelerationTargetConfigAddr, agentIscsiFlowAccelerationTargetConfigTcpPort, agentIscsiFlowAccelerationTargetConfigName) would confirm which storage targets are configured for acceleration; a known iSCSI target missing from this table would mean its traffic isn't being prioritized, a likely cause of storage latency spikes.

What Can Be Monitored

global iSCSI acceleration enable state
flow aging timeout
QoS marking type/value
configured iSCSI target list (IP, port, name)
CoS enable state

Imported Objects

From EdgeSwitch-QOS-MIB

fastPathQOS

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
fastPathIscsiFlowAcceleration	1.3.6.1.4.1.4413.1.1.3.5			The MIB definitions for Quality of Service - iSCSI Flow Acceleration Flex package.
agentIscsiFlowAccelerationGlobalConfigGroup	1.3.6.1.4.1.4413.1.1.3.5.1
T/F agentIscsiFlowAccelerationEnable	1.3.6.1.4.1.4413.1.1.3.5.1.1	TruthValue	read-write	Enable/Disable iSCSI Flow Acceleration globally on the system.
INT agentIscsiFlowAccelerationAgingTimeOut	1.3.6.1.4.1.4413.1.1.3.5.1.2	INTEGER	read-write	The time in seconds that should pass before session is aged out after the last frame detected for the session.
QOS agentIscsiFlowAccelerationQosType	1.3.6.1.4.1.4413.1.1.3.5.1.3	QosType	read-write	Current type of QoS for iSCSI packets
U32 agentIscsiFlowAccelerationQosVptValue	1.3.6.1.4.1.4413.1.1.3.5.1.4	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	1.3.6.1.4.1.4413.1.1.3.5.1.5	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	1.3.6.1.4.1.4413.1.1.3.5.1.6	TruthValue	read-write	Whether iSCSI frames with the configured VPT or DSCP when egressing the switch.
T/F agentIscsiFlowAccelerationCosEnable	1.3.6.1.4.1.4413.1.1.3.5.1.7	TruthValue	read-write	Enable/Disable CoS mode for iSCSI Flow Acceleration globally on the system.
agentIscsiFlowAccelerationTargetConfigTable	1.3.6.1.4.1.4413.1.1.3.5.2		not-accessible	The table for configuration of iSCSI target TCP port number, IP address, and name. It is indexed by agentIscsiFlowAccelerationTargetConfigTcpPort and agentIscsiFlowAccelerationTargetConfigAddr.
agentIscsiFlowAccelerationTargetConfigEntry	1.3.6.1.4.1.4413.1.1.3.5.2.1		not-accessible	Row in the iSCSI Target configuration table.
U32 agentIscsiFlowAccelerationTargetConfigTcpPort	1.3.6.1.4.1.4413.1.1.3.5.2.1.1	Unsigned32	not-accessible	The TCP port of configured target.
IP agentIscsiFlowAccelerationTargetConfigAddr	1.3.6.1.4.1.4413.1.1.3.5.2.1.2	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	1.3.6.1.4.1.4413.1.1.3.5.2.1.3	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	1.3.6.1.4.1.4413.1.1.3.5.2.1.4	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	1.3.6.1.4.1.4413.1.1.3.5.3		not-accessible	A table that contains iSCSI sessions. It is indexed as assigned by system.
agentIscsiFlowAccelerationSessionEntry	1.3.6.1.4.1.4413.1.1.3.5.3.1		not-accessible	An entry in the agentIscsiFlowAccelerationSessionTable.
U32 agentIscsiFlowAccelerationSessionIndex	1.3.6.1.4.1.4413.1.1.3.5.3.1.1	Unsigned32	not-accessible	Numerical index of session table entry assigned by system.
STR agentIscsiFlowAccelerationTargetName	1.3.6.1.4.1.4413.1.1.3.5.3.1.2	DisplayString	read-only	The target name
STR agentIscsiFlowAccelerationInitiatorName	1.3.6.1.4.1.4413.1.1.3.5.3.1.3	DisplayString	read-only	The initiator name
OCT agentIscsiFlowAccelerationSessionISID	1.3.6.1.4.1.4413.1.1.3.5.3.1.4	OCTET STRING	read-only	The ISID of current session.
U32 agentIscsiFlowAccelerationSessAgingTime	1.3.6.1.4.1.4413.1.1.3.5.3.1.5	Unsigned32	read-only	The elapsed time in seconds since the traffic was detected on any connections associated with this session.
U32 agentIscsiFlowAccelerationSessionUpTime	1.3.6.1.4.1.4413.1.1.3.5.3.1.6	Unsigned32	read-only	Time elapsed since the session was detected, in seconds.
agentIscsiFlowAccelerationConnectionTable	1.3.6.1.4.1.4413.1.1.3.5.4		not-accessible	A table that contains iSCSI connections. It is indexed as assigned by system.
agentIscsiFlowAccelerationConnectionEntry	1.3.6.1.4.1.4413.1.1.3.5.4.1		not-accessible	An entry in the agentIscsiFlowAccelerationConnectionTable.
U32 agentIscsiFlowAccelerationConnectionIndex	1.3.6.1.4.1.4413.1.1.3.5.4.1.1	Unsigned32	not-accessible	Numerical index of connection table entry assigned by system.
IP agentIscsiFlowAccelerationConnectionTargetAddr	1.3.6.1.4.1.4413.1.1.3.5.4.1.2	IpAddress	read-only	The connection target address.
U32 agentIscsiFlowAccelerationConnectionTargetPort	1.3.6.1.4.1.4413.1.1.3.5.4.1.3	Unsigned32	read-only	The TCP port of connection target.
IP agentIscsiFlowAccelerationConnectionInitiatorAddr	1.3.6.1.4.1.4413.1.1.3.5.4.1.4	IpAddress	read-only	The connection initiator address.
U32 agentIscsiFlowAccelerationConnectionInitiatorPort	1.3.6.1.4.1.4413.1.1.3.5.4.1.5	Unsigned32	read-only	The TCP port of connection initiator.
U32 agentIscsiFlowAccelerationConnectionCID	1.3.6.1.4.1.4413.1.1.3.5.4.1.6	Unsigned32	read-only	The iSCSI CID for this connection.
U32 agentIscsiFlowAccelerationConnectionSessionIndex	1.3.6.1.4.1.4413.1.1.3.5.4.1.7	Unsigned32	read-only	The index of the session associated with this connection. Refers to the index of agentIscsiFlowAccelerationSessionIndex in agentIscsiFlowAccelerationSessionTable.

RFC description

Manages Quality of Service (QoS) and iSCSI flow acceleration on Broadcom EdgeSwitch devices.

Start monitoring Ubiquiti EdgeSwitch (Broadcom FastPath-based) 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 EdgeSwitch-QOS-ISCSI-MIB

What Is EdgeSwitch-QOS-ISCSI-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description