BENU-SUB-TUNNEL-MIB

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Organization: Benu Networks,Inc

Last Updated: 2015-11-13

Category: Pseudowire, Vendor: Benu Networks

Description: Manages subscriber tunnel configuration and session statistics for GRE/L2TP tunnels on Benu Networks gateways.

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What Is BENU-SUB-TUNNEL-MIB?

BENU-SUB-TUNNEL-MIB is a Benu Networks enterprise MIB covering subscriber and tunnel management on Benu broadband gateway platforms, tracking capacity and utilization of GRE/L2TP tunnels used to carry subscriber sessions. It exposes configuration/threshold objects — maximum subscriber and tunnel counts (bWagSubMaxNumOfSubscribers, bWagTunMaxNumOfTunnels) and high/low threshold pairs for both subscribers and tunnels. Rather than hardware, this MIB monitors software/service capacity status: how close the gateway is to its subscriber or tunnel session limits, which is critical for catching resource exhaustion before it causes service outages. It is a vendor-specific extension used alongside Benu's other gateway MIBs (such as BENU-CHASSIS-MIB) rather than a standard IETF tunnel MIB. Typical deployment is on a Benu Networks BNG/wireless gateway terminating large numbers of subscriber tunnels for broadband or Wi-Fi offload services, where BENU-SUB-TUNNEL-MIB SNMP monitoring gives early warning before subscriber or tunnel capacity limits are reached.

IPNetwork Monitor allows you to monitor SNMP objects defined in BENU-SUB-TUNNEL-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

Benu Networks broadband/wireless gateway (BNG)

Monitoring Examples

An operator would poll bWagSubMaxNumOfSubscribers against the current subscriber count and compare it to bWagSubHighThreshold/bWagSubLowThreshold to get early warning before hitting the subscriber ceiling. Similarly, bWagTunMaxNumOfTunnels versus bWagTunHighThreshold/bWagTunLowThreshold flags when active GRE/L2TP tunnel counts approach capacity. Crossing a high threshold would typically trigger a trap so operators can provision additional gateway capacity before new subscriber sessions are rejected.

What Can Be Monitored

subscriber count vs. maximum
subscriber high/low threshold status
tunnel count vs. maximum
tunnel high/low threshold status

Imported Objects

From BENU-WAG-MIB

benuWAG

MODULE-IDENTITY

From SNMPv2-SMI

MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-IDENTITY
OBJECT-TYPE
Unsigned32

OIDs

OID symbolic	OID numeric	Type	Access	Description
benuWagSubTunMIB	1.3.6.1.4.1.39406.2.1.2			The MIB module defines subscriber and tunnel information Copyright (C) 2012 by Benu Networks, Inc. All rights reserved.
bWagSubTunnelMIBNotifications	1.3.6.1.4.1.39406.2.1.2.0			Subscriber and Tunnel MIB Notifications are defined in this branch.
NTF bWagSubHighThresholdReached	1.3.6.1.4.1.39406.2.1.2.0.1			This notification signifies that the current number of subscribers has risen above the value of bWagSubHighThreshold.
NTF bWagSubLowThresholdReached	1.3.6.1.4.1.39406.2.1.2.0.2			This notification signifies that the current number of subscribers has fallen below the value of bWagSubLowThreshold.
NTF bWagTunHighThresholdReached	1.3.6.1.4.1.39406.2.1.2.0.3			This notification signifies that the current number of tunnels has risen above the value of bWagTunHighThreshold.
NTF bWagTunLowThresholdReached	1.3.6.1.4.1.39406.2.1.2.0.4			This notification signifies that the current number of tunnels has fallen below the value of bWagTunLowThreshold.
bWagSubMIBObjects	1.3.6.1.4.1.39406.2.1.2.1			Subscriber MIB objects are defined in this branch.
U32 bWagSubMaxNumOfSubscribers	1.3.6.1.4.1.39406.2.1.2.1.1	Unsigned32	read-only	Max Number of subscribers that can exist at a given time. Any new subscribers beyond this number will be rejected
bWagSubMIBNotifObjects	1.3.6.1.4.1.39406.2.1.2.2			Subscriber MIB Notification objects are defined in this branch.
U32 bWagSubHighThreshold	1.3.6.1.4.1.39406.2.1.2.2.1	Unsigned32	accessible-for-notify	The high threshold for number of subscribers . If a bWagSubLowThresholdReached event has been generated , and the value number of subscribers has exceeded the value of bWagSubHighThreshold, then a bWagSubHighThresholdReached event will be generated. No more bWagSubHighThresholdReached events will be generated until the value for number of subscribers becomes equal to or less than the value of bWagSubLowThreshold.
U32 bWagSubLowThreshold	1.3.6.1.4.1.39406.2.1.2.2.2	Unsigned32	accessible-for-notify	The Lower threshold for number of subscribers . If a bWagSubHighThresholdReached event has been generated , and the value number of subscribers falls below the value of bWagSubLowThreshold, then a bWagSubLowThresholdReached event will be generated. No more bWagSubLowThresholdReached events will be generated until the value for number of subscribers becomes equal to or greater than the value of bWagSubHighThreshold.
bWagTunnelMIBObjects	1.3.6.1.4.1.39406.2.1.2.3			Subscriber MIB objects are defined in this branch.
U32 bWagTunMaxNumOfTunnels	1.3.6.1.4.1.39406.2.1.2.3.1	Unsigned32	read-only	Max Number of tunnels that can exist at a given time. Any new tunnel request beyond this number will be rejected
bWagTunnelMIBNotifObjects	1.3.6.1.4.1.39406.2.1.2.4			Subscriber MIB Notification objects are defined in this branch.
U32 bWagTunHighThreshold	1.3.6.1.4.1.39406.2.1.2.4.1	Unsigned32	accessible-for-notify	The high threshold for number of tunnels. If a bWagTunLowThresholdReached event has been generated , and the value number of tunnels in use has exceeded the value of bWagTunHighThreshold, then a bWagTunHighThresholdReached event will be generated. No more bWagTunHighThresholdReached events will be generated until the value for number of tunnels in use becomes equal to or less than the value of bWagTunLowThreshold.
U32 bWagTunLowThreshold	1.3.6.1.4.1.39406.2.1.2.4.2	Unsigned32	accessible-for-notify	The Lower threshold for number of tunnels . If a bWagTunHighThresholdReached event has been generated , and the value number of tunnels in use falls below the value of bWagTunLowThreshold, then a bWagTunLowThresholdReached event will be generated. No more bWagTunLowThresholdReached events will be generated until the value for number of tunnels in use becomes equal to or greater than the value of bWagTunHighThreshold.

RFC description

Subscriber and tunnel management information for Benu WAG including session limits and tunnel statistics.

Start monitoring Benu Networks (Ciena) broadband/WiFi Access Gateway (WAG) platforms 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 BENU-SUB-TUNNEL-MIB

What Is BENU-SUB-TUNNEL-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description