ALVARION-PUBLIC-ACCESS-RETENTION-MIB

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Organization: Alvarion Ltd.

Last Updated: 2007-10-31

Category: Vendor: Alvarion, Wireless and WLAN

Description: Alvarion public access data retention MIB for managing subscriber session logging for regulatory compliance.

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What Is ALVARION-PUBLIC-ACCESS-RETENTION-MIB?

ALVARION-PUBLIC-ACCESS-RETENTION-MIB is an Alvarion vendor-specific MIB that manages subscriber session logging on Alvarion public-access wireless broadband systems for regulatory data-retention compliance. It exposes publicAccessRetentionSessionTable, tracking per-session state (publicAccessRetentionSessionState: connected, disconnecting, disconnectedAdministrative, etc.), username, start time, duration, station IP address, packet and byte counters sent/received, and SSID, alongside configuration objects (publicAccessRetentionSessionsMaxCount, publicAccessRetentionSessionsMaxTime) governing table capacity and retention window. It also provides publicAccessRetentionPeriodTable for periodic aggregate statistics (highest and total simultaneous session counts per time period) and a publicAccessRetentionSessionMaxCountReachedTrap notification. This data is useful for confirming that subscriber session records required by regulators are actually being captured and retained, and for spotting when the retention table is at capacity and older records may be getting overwritten. It depends on the ALVARION-SMI and ALVARION-TC modules for its enterprise registration and SSID textual convention, and administrators can download the ALVARION-PUBLIC-ACCESS-RETENTION-MIB file for compliance-monitoring deployments on Alvarion public-access networks.

IPNetwork Monitor allows you to monitor SNMP objects defined in ALVARION-PUBLIC-ACCESS-RETENTION-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

Alvarion public-access wireless broadband systems (WiMAX/BWA access points and controllers)

Monitoring Examples

An operator polls publicAccessRetentionSessionsMaxCount against the actual row count in publicAccessRetentionSessionTable and watches for publicAccessRetentionSessionMaxCountReachedTrap; receiving that trap while publicAccessRetentionPeriodTotalSessionCount keeps climbing would indicate the retention table is full and older subscriber session records are being evicted before their required retention period elapses.

What Can Be Monitored

subscriber session state and duration
session packet/byte counters sent and received
session SSID association
retention table max-count and max-time configuration
periodic highest/total session counts
max-count-reached notifications

Imported Objects

From ALVARION-SMI

alvarionMgmtV2

OBJECT-IDENTITY

From ALVARION-TC

AlvarionSSIDOrNone

From SNMPv2-CONF

MODULE-COMPLIANCE
NOTIFICATION-GROUP
OBJECT-GROUP

From SNMPv2-SMI

Counter32
Counter64
Integer32
IpAddress
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

DateAndTime

How to Use in IPNetwork Monitor

Example using publicAccessRetentionSessionDuration OID:

Select an Alvarion (Cambium) wireless broadband access points/base station (legacy) as the target host to create a monitor — the SNMP service should be up and running on it. Click New Monitor, then check SNMP Custom on the Favorites tab, click Next, and confirm the host. On the next page, click Select... to open the built-in SNMP MIB Browser and type publicAccessRetentionSessionDuration into the Find box to locate it in the OID tree, selecting the specific row/instance you want to monitor since this is a table column, then select it and click OK. Indicates how long the user's session has been active. On the monitor's Main parameters page you can set the target's SNMP port (default 161), credentials, polling interval, and other settings — see the SNMP Monitor help for details. On the State conditions and Alerting tabs, configure when the monitor should change state and trigger an alert; since this is a Counter32-type OID, Value bounds is the most useful condition here — trigger an alert if the counter increases sharply between polls relative to its normal baseline (in seconds), since an unexpected spike often reflects a real change in traffic or activity. Click Finish to create the monitor; you can adjust any parameter later.

OIDs

OID symbolic	OID numeric	Type	Access	Description
alvarionPublicAccessRetentionMIB	1.3.6.1.4.1.12394.1.10.5.15			Alvarion Public Access MIB.
alvarionPublicAccessRetentionMIBObjects	1.3.6.1.4.1.12394.1.10.5.15.1
publicAccessRetentionSessionsGroup	1.3.6.1.4.1.12394.1.10.5.15.1.1
U32 publicAccessRetentionSessionsMaxCount	1.3.6.1.4.1.12394.1.10.5.15.1.1.1	Unsigned32	read-write	The maximum number of entries inside the publicAccessRetentionSessionTable. The maximum value for this is 250% the maximum number of users configured inside the product.
I32 publicAccessRetentionSessionsMaxTime	1.3.6.1.4.1.12394.1.10.5.15.1.1.2	Integer32	read-write	The maximum number of seconds for an entry to remain in the table. When expired the session's state changes to Unassigned.
publicAccessRetentionSessionTable	1.3.6.1.4.1.12394.1.10.5.15.1.1.3		not-accessible	A table containing information about existing or past authenticated user sessions.
publicAccessRetentionSessionEntry	1.3.6.1.4.1.12394.1.10.5.15.1.1.3.1		not-accessible	Information about a particular authenticated user session. publicAccessRetentionSessionIndex - Uniquely identifies a session in the table.
I32 publicAccessRetentionSessionIndex	1.3.6.1.4.1.12394.1.10.5.15.1.1.3.1.1	Integer32	not-accessible	Index of a session in the publicAccessRetentionSessionTable.
INT publicAccessRetentionSessionState	1.3.6.1.4.1.12394.1.10.5.15.1.1.3.1.2	INTEGER	read-only	Indicates the current state of the user's session.
OCT publicAccessRetentionSessionUserName	1.3.6.1.4.1.12394.1.10.5.15.1.1.3.1.3	OCTET STRING	read-only	Indicates the last user's name used for RADIUS authentication.
DAT publicAccessRetentionSessionStartTime	1.3.6.1.4.1.12394.1.10.5.15.1.1.3.1.4	DateAndTime	read-only	Indicates when this user session was started.
C32 publicAccessRetentionSessionDurationEx	1.3.6.1.4.1.12394.1.10.5.15.1.1.3.1.5	Counter32	read-only	Indicates how long the user's session has been active. When this counter reaches its maximum value, it wraps around and starts increasing again from zero.
IP publicAccessRetentionSessionStationIpAddress	1.3.6.1.4.1.12394.1.10.5.15.1.1.3.1.6	IpAddress	read-only	Indicates the user's IP address.
C32 publicAccessRetentionSessionPacketsSent	1.3.6.1.4.1.12394.1.10.5.15.1.1.3.1.7	Counter32	read-only	Indicates the total number of IP packets sent by the user. When this counter reaches its maximum value, it wraps around and starts increasing again from zero.
C32 publicAccessRetentionSessionPacketsReceived	1.3.6.1.4.1.12394.1.10.5.15.1.1.3.1.8	Counter32	read-only	Indicates the total number of IP packets received by the user. When this counter reaches its maximum value, it wraps around and starts increasing again from zero.
C64 publicAccessRetentionSessionBytesSent	1.3.6.1.4.1.12394.1.10.5.15.1.1.3.1.9	Counter64	read-only	Indicates the total number of bytes sent by the user. When this counter reaches its maximum value, it wraps around and starts increasing again from zero.
C64 publicAccessRetentionSessionBytesReceived	1.3.6.1.4.1.12394.1.10.5.15.1.1.3.1.10	Counter64	read-only	Indicates the total number of bytes received by the user. When this counter reaches its maximum value, it wraps around and starts increasing again from zero.
ALV publicAccessRetentionSessionSSID	1.3.6.1.4.1.12394.1.10.5.15.1.1.3.1.11	AlvarionSSIDOrNone	read-only	Indicates the user's Access Point SSID (ONLY when Location-aware is enabled and properly configured). If this information is not available, a zero-length string will be returned.
publicAccessRetentionPeriodicStatsGroup	1.3.6.1.4.1.12394.1.10.5.15.1.2
I32 publicAccessRetentionPeriodicStatsMaxCount	1.3.6.1.4.1.12394.1.10.5.15.1.2.1	Integer32	read-write	Specifies the maximum number of periods to keep inside the table.
I32 publicAccessRetentionPeriodicStatsDuration	1.3.6.1.4.1.12394.1.10.5.15.1.2.2	Integer32	read-write	Specifies the amount of time for a period of an entry inside the table. Changing the value will erase the table contents.
publicAccessRetentionPeriodTable	1.3.6.1.4.1.12394.1.10.5.15.1.2.3		not-accessible	A table containing statistics information about number of authentication user's sessions pending and terminated.
publicAccessRetentionPeriodEntry	1.3.6.1.4.1.12394.1.10.5.15.1.2.3.1		not-accessible	Statistics information about the number of authenticated user sessions in a given period of time.
I32 publicAccessRetentionPeriodIndex	1.3.6.1.4.1.12394.1.10.5.15.1.2.3.1.1	Integer32	not-accessible	Index of a statistics period.
DAT publicAccessRetentionPeriodStartTime	1.3.6.1.4.1.12394.1.10.5.15.1.2.3.1.2	DateAndTime	read-only	Indicates the start time for the statistical period. If zero, then the period doesn't contains valid information.
DAT publicAccessRetentionPeriodStopTime	1.3.6.1.4.1.12394.1.10.5.15.1.2.3.1.3	DateAndTime	read-only	Indicates the stop time for the statistical period. If zero, the period is not terminated yet.
C32 publicAccessRetentionPeriodHighestSessionCount	1.3.6.1.4.1.12394.1.10.5.15.1.2.3.1.4	Counter32	read-only	Indicates the highest number of simultaneous authenticated user sessions within this time period.
C32 publicAccessRetentionPeriodTotalSessionCount	1.3.6.1.4.1.12394.1.10.5.15.1.2.3.1.5	Counter32	read-only	Indicates the total number of authenticated user's session within this time period.
publicAccessRetentionMIBNotificationPrefix	1.3.6.1.4.1.12394.1.10.5.15.2
publicAccessRetentionMIBNotifications	1.3.6.1.4.1.12394.1.10.5.15.2.0
NTF publicAccessRetentionSessionMaxCountReachedTrap	1.3.6.1.4.1.12394.1.10.5.15.2.0.1			This notification is sent whenever the number of session exceed the value of publicAccessRetentionSessionsMaxCount.
alvarionPublicAccessRetentionMIBConformance	1.3.6.1.4.1.12394.1.10.5.15.3
alvarionPublicAccessRetentionMIBCompliances	1.3.6.1.4.1.12394.1.10.5.15.3.1
alvarionPublicAccessRetentionMIBCompliance	1.3.6.1.4.1.12394.1.10.5.15.3.1.1			The compliance statement for entities which implement the Alvarion Public Access Retention MIB.
alvarionPublicAccessRetentionMIBGroups	1.3.6.1.4.1.12394.1.10.5.15.3.2
alvarionPublicAccessRetentionSessionsMIBGroup	1.3.6.1.4.1.12394.1.10.5.15.3.2.1			A collection of objects providing the Public Access Retention Sessions MIB capability.
alvarionPublicAccessRetentionPeriodicStatsMIBGroup	1.3.6.1.4.1.12394.1.10.5.15.3.2.2			A collection of objects providing the Public Access Retention PeriodicStats MIB capability.
alvarionPublicAccessRetentionNotificationGroup	1.3.6.1.4.1.12394.1.10.5.15.3.2.3			A collection of supported notifications.

RFC description

Tracks authenticated user sessions and retention statistics for Alvarion wireless access points.

Start monitoring Alvarion (Cambium) wireless broadband access points/base stations (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 ALVARION-PUBLIC-ACCESS-RETENTION-MIB