RADIUS-STAT-MIB

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Organization: IETF RADIUS Working Group.

Last Updated: 2000-01-02

Category: RADIUS and AAA

Description: Tracks RADIUS authentication and accounting statistics including packet counts and response times.

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What Is RADIUS-STAT-MIB?

RADIUS-STAT-MIB is an IETF RADIUS Working Group specification (authored by Sergey Poznyakoff, marked Experimental rather than a full Standards-Track RFC) that models the statistics side of a RADIUS authentication/dial server, complementing the IANA-assigned radiusMIB branch under mib-2 67. It exposes server-level identification and uptime (radiusStatIdent, radiusStatUpTime), aggregate dial-line counts (radiusStatTotalLines, radiusStatTotalLinesInUse, radiusStatTotalLinesIdle), a per-NAS table of line usage (radiusStatNASTable), and a detailed per-port table (radiusStatNASPortTable) tracking login counts, idle/in-use time totals and maxima, and last-login/logout timestamps. Because it is purely a statistics module, it depends on a companion RADIUS server implementation to populate the underlying dial-line/port data and is typically deployed alongside NAS (Network Access Server) equipment rather than on the RADIUS server itself. Administrators can consult the RADIUS-STAT-MIB RFC draft when instrumenting SNMP-based visibility into RADIUS-authenticated dial-up capacity.

IPNetwork Monitor allows you to monitor SNMP objects defined in RADIUS-STAT-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

vendor-neutral, IETF RADIUS Working Group MIB (Experimental, mib-2 67), not tied to a specific manufacturer -- applies to RADIUS servers and Network Access Servers

Monitoring Examples

An operator polls radiusStatTotalLinesInUse against radiusStatTotalLines to gauge dial capacity utilization, then drills into radiusStatNASPortTable's radiusStatPortStatus and radiusStatPortIdleMaxTime for a specific port; a port stuck in inUse status with an abnormally long radiusStatPortInUseTotalTime would flag a hung or leaked session.

What Can Be Monitored

total/in-use/idle dial-line counts
per-NAS line utilization table
per-port login and status history
port idle and in-use time statistics
server implementation identity and uptime

Imported Objects

From SNMP-FRAMEWORK-MIB

SnmpAdminString

From SNMPv2-SMI

Counter32
Integer32
IpAddress
MODULE-IDENTITY
OBJECT-IDENTITY
OBJECT-TYPE
TimeTicks
mib-2

How to Use in IPNetwork Monitor

Example using radiusStatTotalLines OID:

Select a device implementing RADIUS-STAT-MIB 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 radiusStatTotalLines into the Find box to locate it in the OID tree, then select it and click OK. The number of dialup lines registered by the statistics module. 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, 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
radiusMIB	1.3.6.1.2.1.67			The OID assigned to RADIUS MIB work by the IANA.
radiusStatistics	1.3.6.1.2.1.67.3
radiusStatMIB	1.3.6.1.2.1.67.3.1			The MIB module for entities implementing the statistics side of the Remote Access Dialin User Service (RADIUS) authentication protocol.
STR radiusStatIdent	1.3.6.1.2.1.67.3.1.1	SnmpAdminString	read-only	The implementation identification string for the RADIUS statistics server software in use on the system
TIK radiusStatUpTime	1.3.6.1.2.1.67.3.1.2	TimeTicks	read-only	Time (in hundredths of a second) since the statistics was started.
INT radiusStatConfigReset	1.3.6.1.2.1.67.3.1.3	INTEGER	read-write	Status/action object to reinitialize any persistent server state. When set to reset(2), any persistent server state (such as a process) is reinitialized as if the server had just been started. This value will never be returned by a read operation. When read, one of the following values will be returned: other(1) - server in some unknown state; initializing(3) - server (re)initializing; running(4) - server currently running.
C32 radiusStatTotalLinesEx	1.3.6.1.2.1.67.3.1.4	Counter32	read-only	The number of dialup lines registered by the statistics module
C32 radiusStatTotalLinesInUse	1.3.6.1.2.1.67.3.1.5	Counter32	read-only	The number dial-up lines currently in use
C32 radiusStatTotalLinesIdle	1.3.6.1.2.1.67.3.1.6	Counter32	read-only	The number dial-up lines currently idle
radiusStatNASTable	1.3.6.1.2.1.67.3.1.7		not-accessible	The (conceptual) table listing the available Network Access Servers
radiusStatNASEntry	1.3.6.1.2.1.67.3.1.7.1		not-accessible	An entry (conceptual row) representing a Network Access Server
I32 nASIndex	1.3.6.1.2.1.67.3.1.7.1.1	Integer32	not-accessible	A number uniquely identifying each NAS
IP nASAddress	1.3.6.1.2.1.67.3.1.7.1.2	IpAddress	read-only	The NAS-IP-Address
STR nASID	1.3.6.1.2.1.67.3.1.7.1.3	SnmpAdminString	read-only	The NAS-Identifier
C32 nASLines	1.3.6.1.2.1.67.3.1.7.1.4	Counter32	read-only	The number of lines served by the NAS
C32 nASLinesInUse	1.3.6.1.2.1.67.3.1.7.1.5	Counter32	read-only	The number of lines currently in use on this NAS
C32 nASLinesIdle	1.3.6.1.2.1.67.3.1.7.1.6	Counter32	read-only	The number of lines currently idle on this NAS
radiusStatNASPortTable	1.3.6.1.2.1.67.3.1.8		not-accessible	The (conceptual) table listing the available ports
radiusStatNASPortEntry	1.3.6.1.2.1.67.3.1.8.1		not-accessible	An entry (conceptual row) representing a port
I32 radiusStatPortIndex	1.3.6.1.2.1.67.3.1.8.1.1	Integer32	read-only	A number uniquely identifying each port
I32 radiusStatNASIndex	1.3.6.1.2.1.67.3.1.8.1.2	Integer32	read-only	A number uniquely identifying each port
I32 radiusStatPortID	1.3.6.1.2.1.67.3.1.8.1.3	Integer32	read-only	The Port-Identifier
IP radiusStatPortFramedAddress	1.3.6.1.2.1.67.3.1.8.1.4	IpAddress	read-only	The Port-Identifier
C32 radiusStatPortTotalLogins	1.3.6.1.2.1.67.3.1.8.1.5	Counter32	read-only	The number of logins registered so far
INT radiusStatPortStatus	1.3.6.1.2.1.67.3.1.8.1.6	INTEGER	read-only	The status of the port
STR radiusStatPortStatusDate	1.3.6.1.2.1.67.3.1.8.1.7	SnmpAdminString	read-only	Time of the last change in port status
TIK radiusStatPortUpTime	1.3.6.1.2.1.67.3.1.8.1.8	TimeTicks	read-only	Time in thousandths of a second since the port changed its status
STR radiusStatPortLastLoginName	1.3.6.1.2.1.67.3.1.8.1.9	SnmpAdminString	read-only	The username of the last user logged in on that port
STR radiusStatPortLastLoginDate	1.3.6.1.2.1.67.3.1.8.1.10	SnmpAdminString	read-only	Time of the last login
STR radiusStatPortLastLogoutDate	1.3.6.1.2.1.67.3.1.8.1.11	SnmpAdminString	read-only	Time of the last logout
TIK radiusStatPortIdleTotalTime	1.3.6.1.2.1.67.3.1.8.1.12	TimeTicks	read-only	Total time the port was idle
TIK radiusStatPortIdleMaxTime	1.3.6.1.2.1.67.3.1.8.1.13	TimeTicks	read-only	Maximum time the port was idle
STR radiusStatPortIdleMaxDate	1.3.6.1.2.1.67.3.1.8.1.14	SnmpAdminString	read-only	Date when the maximum idle time was registered
TIK radiusStatPortInUseTotalTime	1.3.6.1.2.1.67.3.1.8.1.15	TimeTicks	read-only	Total time the port was in use
TIK radiusStatPortInUseMaxTime	1.3.6.1.2.1.67.3.1.8.1.16	TimeTicks	read-only	Maximum time the port was in use
STR radiusStatPortInUseMaxDate	1.3.6.1.2.1.67.3.1.8.1.17	SnmpAdminString	read-only	Date when the maximum in use time was registered

RFC description

An SNMP MIB for monitoring RADIUS (Remote Authentication Dial-In User Service) server statistics, as defined in RFC standards for authentication and accounting server management.

Start monitoring vendor-neutral, IETF RADIUS Working Group MIB, RADIUS servers and Network Access Servers (dial-line statistics) 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.

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