APERTUS-UA-THRESHOLD-MIB

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Category: Device Management

Description: Apertus Technologies universal access threshold-based policy trigger and alarm management.

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What Is APERTUS-UA-THRESHOLD-MIB?

APERTUS-UA-THRESHOLD-MIB is an Apertus Technologies enterprise MIB (apertus 543 / isg / aperua / aperthresh) for Apertus's Universal Access (UA) server load-balancing layer. It exposes overall server status and uptime (aperThreshConfigStatus: ready/loading/down, aperThreshConfigUpTime), per-domain load-balancing state in aperThreshDomainTable (free/max sessions, up/down server counts, and percent-vs-absolute comparison method), and per-node threshold state in aperThreshNodeTable (threshold percent at which a node becomes eligible for traffic, up/down/notqueried status, sessions available/possible, and hand-fasted session count). This models threshold-based load distribution across a pool of backend nodes rather than raw traffic counters, so it is useful for confirming that load-balancing thresholds are correctly steering session load and that no backend node has silently gone down. It is deployed on Apertus Universal Access servers acting as session load balancers, and operators can pull the APERTUS-UA-THRESHOLD-MIB download to load its object definitions into a MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in APERTUS-UA-THRESHOLD-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

Apertus Technologies Universal Access (UA) server / load-balancing appliance

Monitoring Examples

An operator polls aperThreshNodeStatus and aperThreshNodeSessionsAvailable for each node in a load-balance domain; a node stuck at down or notqueried while aperThreshDomainDownServers climbs indicates the UA server's load-balancing pool has lost capacity and remaining nodes are absorbing a larger share of sessions.

What Can Be Monitored

server ready/loading/down status
per-domain free/max session counts
per-domain up/down server counts
per-node threshold percentage and status
per-node available/possible session counts

Imported Objects

From RFC1213-MIB

mib-2

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Counter32
Gauge32
IpAddress
MODULE-IDENTITY
OBJECT-IDENTITY
OBJECT-TYPE
TimeTicks

From SNMPv2-TC

DisplayString
RowStatus
TEXTUAL-CONVENTION
TruthValue

OIDs

OID symbolic	OID numeric	Type	Access	Description
internet	1.3.6.1
directory	1.3.6.1.1
mgmt	1.3.6.1.2
experimental	1.3.6.1.3
private	1.3.6.1.4
enterprises	1.3.6.1.4.1
apertus	1.3.6.1.4.1.543
isg	1.3.6.1.4.1.543.3
aperua	1.3.6.1.4.1.543.3.3
aperthresh	1.3.6.1.4.1.543.3.3.2
aperThreshMIB	1.3.6.1.4.1.543.3.3.2.1
aperThreshMIBObjects	1.3.6.1.4.1.543.3.3.2.1.1
aperThreshConfig	1.3.6.1.4.1.543.3.3.2.1.1.1
INT aperThreshConfigStatus	1.3.6.1.4.1.543.3.3.2.1.1.1.1	INTEGER	read-only	Status of Universal Access server
TIK aperThreshConfigUpTime	1.3.6.1.4.1.543.3.3.2.1.1.1.2	TimeTicks	read-only	This value represents the time elapsed since the server was started in 1/100nths of a second.
aperThreshDomain	1.3.6.1.4.1.543.3.3.2.1.1.2
aperThreshDomainTable	1.3.6.1.4.1.543.3.3.2.1.1.2.1		not-accessible	Domain information broken down domain name.
aperThreshDomainEntry	1.3.6.1.4.1.543.3.3.2.1.1.2.1.1		not-accessible	This table contains information on each of the load balance domains under its control.
STR aperThreshDomainName	1.3.6.1.4.1.543.3.3.2.1.1.2.1.1.1	DisplayString	read-only	The zone name for this load-balance domain.
STR aperThreshDomainLbparms	1.3.6.1.4.1.543.3.3.2.1.1.2.1.1.2	DisplayString	read-only	The load-balance parameters for this load-balance domain.
INT aperThreshDomainFreeSessions	1.3.6.1.4.1.543.3.3.2.1.1.2.1.1.3	INTEGER	read-only	The number of total sessions report free for this zone.
INT aperThreshDomainMaxSessions	1.3.6.1.4.1.543.3.3.2.1.1.2.1.1.4	INTEGER	read-only	The number of sessions, not including downed servers, possible for this zone.
INT aperThreshDomainUpServers	1.3.6.1.4.1.543.3.3.2.1.1.2.1.1.5	INTEGER	read-only	The number of servers that are up at this time.
INT aperThreshDomainDownServers	1.3.6.1.4.1.543.3.3.2.1.1.2.1.1.6	INTEGER	read-only	The number of servers in list that are marked as down at this time.
INT aperThreshDomainCmpMethod	1.3.6.1.4.1.543.3.3.2.1.1.2.1.1.7	INTEGER	read-only	The method used when comparing values within the zone. The percent(1) method indicates that balancing is done as a percentage of available resources. Absolute(2) indicates that the session values themselves are used during compares.
aperThreshNode	1.3.6.1.4.1.543.3.3.2.1.1.3
aperThreshNodeTable	1.3.6.1.4.1.543.3.3.2.1.1.3.1		not-accessible	Node information broken down domain name and IP address
aperThreshNodeEntry	1.3.6.1.4.1.543.3.3.2.1.1.3.1.1		not-accessible	This table contains information on each of the machines in the different laod balance zones.
STR aperThreshNodeName	1.3.6.1.4.1.543.3.3.2.1.1.3.1.1.1	DisplayString	read-only	The zone name for this Node.
IP aperThreshNodeIP	1.3.6.1.4.1.543.3.3.2.1.1.3.1.1.2	IpAddress	read-only	The IP address of the NODE.
INT aperThreshNodeThresholdPercent	1.3.6.1.4.1.543.3.3.2.1.1.3.1.1.3	INTEGER	read-only	This value is the threshold percentage at which this node becomes available for consideration. All nodes with less threshold percentage than this must be either down or at this percentage of usage before the NODE processess for this IP will be queried for status. At least one 0% node must exist for the domain to function.
INT aperThreshNodeStatus	1.3.6.1.4.1.543.3.3.2.1.1.3.1.1.4	INTEGER	read-only	Indicates the status of the node. Up(1) shows that the node is up and is being considered for use. Down(2) indicates that the last query to the NODE image resulted in a down marker for the node. Admindown(3) indicates that an administrator took the node offline manually (from the UA server end). Notqueried(4) is used to indicate that a node has never been queried. This is normally the case when threshold percentages are being used.
INT aperThreshNodeSessionsAvailable	1.3.6.1.4.1.543.3.3.2.1.1.3.1.1.5	INTEGER	read-only	Number of session available at last query. If Status is not up(1), this value may be inaccurate.
INT aperThreshNodeSessionsPossible	1.3.6.1.4.1.543.3.3.2.1.1.3.1.1.6	INTEGER	read-only	Number of sessions possible for this node. If Status is not up(1), this value may be inaccurate.
INT aperThreshNodeHandFasted	1.3.6.1.4.1.543.3.3.2.1.1.3.1.1.7	INTEGER	read-only	Number of sessions assigned to this node for which a NODE query has not resolved.

RFC description

Manages threshold configuration and status for Apertus Universal Access servers.

Start monitoring Apertus Technologies Universal Access server (legacy) 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 APERTUS-UA-THRESHOLD-MIB

What Is APERTUS-UA-THRESHOLD-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description