A3COM-HUAWEI-PPPOE-SERVER-MIB

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Organization: Hangzhou H3C Technologies Co., Ltd.

Last Updated: 2009-05-06

Category: Vendor: H3C/HH3C

Description: Manages PPPoE server functionality on H3C/3Com access routers, including subscriber session management, IP address assignment, and session statistics.

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What Is A3COM-HUAWEI-PPPOE-SERVER-MIB?

A3COM-HUAWEI-PPPOE-SERVER-MIB is an H3C/3Com vendor MIB for managing the PPPoE (PPP over Ethernet) server feature on H3C/3Com broadband access routers, as stated in its module description. It exposes configuration and session-management objects for PPPoE subscriber sessions, including maximum/current session counts, authentication statistics, and thresholds for abnormal session-offline rates. In monitoring terms it is a service/software-status MIB for the PPPoE access service: it lets an operator track how many subscriber sessions are active versus the configured maximum, how many authentication attempts are succeeding or failing, and whether sessions are being torn down abnormally at a rate exceeding configured thresholds, all indicators of broadband access-service health. It's a self-contained vendor extension for the router's embedded PPPoE server, not shown to depend on other standards MIBs. It's deployed on H3C/3Com broadband access routers or BRAS-type devices terminating residential/business PPPoE subscriber connections, where administrators can download the A3COM-HUAWEI-PPPOE-SERVER-MIB file to load it into their monitoring systems.

IPNetwork Monitor allows you to monitor SNMP objects defined in A3COM-HUAWEI-PPPOE-SERVER-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

H3C/3Com PPPoE-capable broadband access router / BRAS

Monitoring Examples

Polling h3cPPPoEServerCurrSessions against h3cPPPoEServerMaxSessions shows how close the access device is to running out of session capacity, while h3cPPPoEServerAuthRequests, h3cPPPoEServerAuthSuccesses, and h3cPPPoEServerAuthFailures reveal an authentication problem if failures spike relative to requests. The h3cPPPoESAbnormOffsThreshold and h3cPPPoESAbnormOffPerThreshold objects let an admin set alert thresholds for abnormal session-offline counts/percentages, catching a scenario where subscriber sessions are dropping at an unusually high rate, such as during an uplink flap.

What Can Be Monitored

current vs max PPPoE sessions
authentication requests/successes/failures
abnormal session offline count threshold
abnormal/normal session offline percentage thresholds

Imported Objects

From A3COM-HUAWEI-OID-MIB

h3cCommon

OBJECT-IDENTITY

From SNMPv2-SMI

Counter32
Integer32
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE

How to Use in IPNetwork Monitor

Example using h3cPPPoEServerAuthRequests OID:

Select an H3C/3Com broadband access router (BRAS) 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 h3cPPPoEServerAuthRequests into the Find box to locate it in the OID tree, then select it and click OK. The number of authentication requests. 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
h3cPPPoEServer	1.3.6.1.4.1.43.45.1.10.2.102			The MIB module is used for PPPoE server.
h3cPPPoEServerObject	1.3.6.1.4.1.43.45.1.10.2.102.1
I32 h3cPPPoEServerMaxSessions	1.3.6.1.4.1.43.45.1.10.2.102.1.1	Integer32	read-only	The maximum sessions supported by PPPoE server.
I32 h3cPPPoEServerCurrSessions	1.3.6.1.4.1.43.45.1.10.2.102.1.2	Integer32	read-only	The number of current sessions on the PPPoE server.
C32 h3cPPPoEServerAuthRequestsEx	1.3.6.1.4.1.43.45.1.10.2.102.1.3	Counter32	read-only	The number of authentication requests.
C32 h3cPPPoEServerAuthSuccesses	1.3.6.1.4.1.43.45.1.10.2.102.1.4	Counter32	read-only	The number of authentication succeses.
C32 h3cPPPoEServerAuthFailures	1.3.6.1.4.1.43.45.1.10.2.102.1.5	Counter32	read-only	The number of authentication failure.
I32 h3cPPPoESAbnormOffsThreshold	1.3.6.1.4.1.43.45.1.10.2.102.1.6	Integer32	read-write	The threshold of abnormal offline count.
I32 h3cPPPoESAbnormOffPerThreshold	1.3.6.1.4.1.43.45.1.10.2.102.1.7	Integer32	read-write	The threshold of abnormal offline percent.
I32 h3cPPPoESNormOffPerThreshold	1.3.6.1.4.1.43.45.1.10.2.102.1.8	Integer32	read-write	The threshold of normal offline percent.
h3cPPPoEServerTraps	1.3.6.1.4.1.43.45.1.10.2.102.2
h3cPPPoeServerTrapPrefix	1.3.6.1.4.1.43.45.1.10.2.102.2.0
NTF h3cPPPoESAbnormOffsAlarm	1.3.6.1.4.1.43.45.1.10.2.102.2.0.1			This trap is generated when the PPPoE server abnormal offline counts over threshold in five minutes.
NTF h3cPPPoESAbnormOffPerAlarm	1.3.6.1.4.1.43.45.1.10.2.102.2.0.2			This trap is generated when the PPPoE server abnormal offline percent over threshold in five minutes.
NTF h3cPPPoESNormOffPerAlarm	1.3.6.1.4.1.43.45.1.10.2.102.2.0.3			This trap is generated when the PPPoE server normal offline percent under threshold in five minutes.

RFC description

H3C/Huawei MIB for monitoring and managing PPPoE (Point-to-Point Protocol over Ethernet) server functionality with trap support for notifications.

Start monitoring H3C/3Com broadband access routers (BRAS) 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 A3COM-HUAWEI-PPPOE-SERVER-MIB