HUAWEI-ISDN-MIB

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Organization: Huawei Technologies Co., Ltd

Last Updated: 2001-12-20

Category: Domain: WAN, Vendor: Huawei

Description: Huawei ISDN MIB for managing BRI and PRI ISDN interfaces, bearer channel configuration, and ISDN call statistics on Huawei routers.

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What Is HUAWEI-ISDN-MIB?

HUAWEI-ISDN-MIB manages BRI and PRI ISDN interfaces on Huawei routers, covering bearer-channel configuration and ISDN call statistics. It exposes interface/channel configuration alongside operational and call-level statistics, placing it in the WAN interface status and performance-monitoring category. Monitoring it is about hardware and call-service health: checking B-channel operational status, active call counts, and call setup failure statistics, which reveal whether an ISDN backup or primary link is functioning and whether repeated call failures point to a line or provisioning problem. It builds on the general ISDN MIB concepts established in RFC 2127 with Huawei-specific extensions. It is deployed on Huawei routers using ISDN BRI/PRI interfaces, commonly as dial backup links or for voice/data access in branch-office WAN deployments. Network engineers evaluating or troubleshooting this functionality can download the HUAWEI-ISDN-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in HUAWEI-ISDN-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

Huawei routers with ISDN BRI/PRI interfaces

Monitoring Examples

An operator polling the ISDN interface and channel tables can check B-channel status and call statistics such as active call count and call setup failure counts, confirming an ISDN backup link is functioning and catching repeated call failures that indicate a line or provisioning issue.

What Can Be Monitored

ISDN interface/B-channel status
active call count
call setup failure statistics
bearer channel configuration

Imported Objects

From HUAWEI-3COM-OID-MIB

mlsr	OBJECT-IDENTITY

From SNMPv2-SMI

Counter32
Integer32
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE

From SNMPv2-TC

DateAndTime
DisplayString
RowStatus
TimeStamp

How to Use in IPNetwork Monitor

Example using hwChanbIsdnCallAccept OID:

Select a Huawei router with ISDN BRI/PRI interface 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 hwChanbIsdnCallAccept 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. This object is used to describe the accepted call number from the B channels. 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
hwIsdnMib	1.3.6.1.4.1.2011.2.33.9			This file describes the huawei mib implementation of ISDN
hwIsdnMibObjects	1.3.6.1.4.1.2011.2.33.9.1
isdnChannelB	1.3.6.1.4.1.2011.2.33.9.1.1
hwChanbIsdnTable	1.3.6.1.4.1.2011.2.33.9.1.1.1		not-accessible	This table is used to describe the router's B Channels infomation
hwChanbIsdnEntry	1.3.6.1.4.1.2011.2.33.9.1.1.1.1		not-accessible	A single B channels
INT hwChanbIsdnIf	1.3.6.1.4.1.2011.2.33.9.1.1.1.1.1	INTEGER	read-only	this object is used to describe the virtual interface value associated with one neighbor.
INT hwChanbIsdnPermit	1.3.6.1.4.1.2011.2.33.9.1.1.1.1.2	INTEGER	read-only	this object is used to describe the call permissions.
STR hwChanbIsdnAddr	1.3.6.1.4.1.2011.2.33.9.1.1.1.1.3	DisplayString	read-only	this object is used to descirbe the call address by which we call one nieghbor.
STR hwChanbIsdnCallerAddr	1.3.6.1.4.1.2011.2.33.9.1.1.1.1.4	DisplayString	read-only	this object is used to describe the callser address which will be known by B channels.
INT hwChanbIsdnCallType	1.3.6.1.4.1.2011.2.33.9.1.1.1.1.5	INTEGER	read-only	this object is used to describe that whether it is an incoming call or an outging call.
INT hwChanbIsdnInfoType	1.3.6.1.4.1.2011.2.33.9.1.1.1.1.6	INTEGER	read-only	this object is used to describe the information type on the call
INT hwChanbIsdnState	1.3.6.1.4.1.2011.2.33.9.1.1.1.1.7	INTEGER	read-only	this object is used to manage the call by NMS
STR hwChanbIsdnCallFreeReason	1.3.6.1.4.1.2011.2.33.9.1.1.1.1.8	DisplayString	read-only	this object is used to describe the reason why last call is cleard
INT hwChanbIsdnCallFreeCode	1.3.6.1.4.1.2011.2.33.9.1.1.1.1.9	INTEGER	read-only	this object is used to describe the reason code for the last call down.
C32 hwChanbIsdnCallAcceptEx	1.3.6.1.4.1.2011.2.33.9.1.1.1.1.10	Counter32	read-only	this object is used to describe the accepted call number from the B channels
C32 hwChanbIsdnCallReject	1.3.6.1.4.1.2011.2.33.9.1.1.1.1.11	Counter32	read-only	this object is used to describe the refused call number from B channels .
C32 hwChanbIsdnCallSuccess	1.3.6.1.4.1.2011.2.33.9.1.1.1.1.12	Counter32	read-only	this object is used to describe the successful call number to B channels after system restart.
C32 hwChanbIsdnCallFailure	1.3.6.1.4.1.2011.2.33.9.1.1.1.1.13	Counter32	read-only	this object is used to describe the failing call number to B channels after system restart
I32 hwChanbIsdnMaxKeepTime	1.3.6.1.4.1.2011.2.33.9.1.1.1.1.14	Integer32	read-only	This object is used to descirbe the maximum duration time in milliseconds.
I32 hwChanbIsdnLastKeepTime	1.3.6.1.4.1.2011.2.33.9.1.1.1.1.15	Integer32	read-only	this object is used to describe the last call duration time in milliseconds
TIM hwChanbIsdnLastCallTime	1.3.6.1.4.1.2011.2.33.9.1.1.1.1.16	TimeStamp	read-only	this object is used to describe the sysUpTime after last call attempt was made.
INT hwChanbTrapEnable	1.3.6.1.4.1.2011.2.33.9.1.1.2	INTEGER	read-write	This object is used to control sending trap
isdnQ931	1.3.6.1.4.1.2011.2.33.9.1.2
hwQ931IsdnControl	1.3.6.1.4.1.2011.2.33.9.1.2.1
INT hwQ931CallSetupTrapEnable	1.3.6.1.4.1.2011.2.33.9.1.2.1.1	INTEGER	read-write	This object is used to control sending callsetup trap.
INT hwQ931CallClearTrapEnable	1.3.6.1.4.1.2011.2.33.9.1.2.1.2	INTEGER	read-write	This object is used to control sending callclear trap
hwQ931IsdnTable	1.3.6.1.4.1.2011.2.33.9.1.2.2		not-accessible	This table describes B channel information for the use of Q931
hwQ931IsdnEntry	1.3.6.1.4.1.2011.2.33.9.1.2.2.1		not-accessible	A B channel entry in the Q931.
I32 hwQ931IsdnOpIndex	1.3.6.1.4.1.2011.2.33.9.1.2.2.1.1	Integer32	accessible-for-notify	Index of the B ISDN channel interface managed by Q93
STR hwQ931IsdnLastCalled	1.3.6.1.4.1.2011.2.33.9.1.2.2.1.2	DisplayString	read-only	This object describes the called ISDN number. When an outgoing call is established successfully, the value of this node is the call number of this device, otherwise the value is null string
STR hwQ931IsdnLastCalling	1.3.6.1.4.1.2011.2.33.9.1.2.2.1.3	DisplayString	read-only	This object describes the calling ISDN number. When an incoming call is established successfully, the value of this node is the call number of peer device, otherwise the value is null string.
INT hwQ931IsdnLastCauseDisc	1.3.6.1.4.1.2011.2.33.9.1.2.2.1.4	INTEGER	read-only	This object describes last cause of disconnection. In hwQ931IsdnCallClear trap, the value of this node is the reason of disconnection, this node is only valid for hwQ931IsdnCallClear trap, the value of this node is unknown in other situation. unknown: unknown error. normCallClr: normal call clearing. noRouteToTransNet: no route to specified transit network. noRouteToDest: no route to destination. switchEquCongest: switching equipment congestion. netOutofOrder: network out of order.
INT hwQ931IsdnCallDirection	1.3.6.1.4.1.2011.2.33.9.1.2.2.1.5	INTEGER	read-only	This object describes the direction of the current call.
DAT hwQ931IsdnCallTimeOpen	1.3.6.1.4.1.2011.2.33.9.1.2.2.1.6	DateAndTime	read-only	This object describes the start time of this call. start time is the time of an existent call that has just been established.
DAT hwQ931IsdnCallTimeClose	1.3.6.1.4.1.2011.2.33.9.1.2.2.1.7	DateAndTime	read-only	This object describes the close time of this call. This node is only vaild for hwQ931IsdnCallClear trap. In other situation the value of this node is zero. In hwQ931IsdnCallClear trap, this node provides the time of an existent call that the call has just been cleared.
hwIsdnLapd	1.3.6.1.4.1.2011.2.33.9.1.3
hwLapdIsdnTable	1.3.6.1.4.1.2011.2.33.9.1.3.1		not-accessible	This table is used to describe the config of ISDN D channel.
hwLapdIsdnEntry	1.3.6.1.4.1.2011.2.33.9.1.3.1.1		not-accessible	ISDN D channel config
I32 hwLapdIsdnIf	1.3.6.1.4.1.2011.2.33.9.1.3.1.1.1	Integer32	accessible-for-notify	This object is used to describe the D channel interface value associated with one neighbor.
INT hwLapdIsdnProtocol	1.3.6.1.4.1.2011.2.33.9.1.3.1.1.2	INTEGER	read-write	This object is used to describe the protocol D channel applied. For E1, the protocol may be dss1, qsig, etsi. For T1, the protocol may be ess5, ansi, att, dss1, etsi, ni2, ntt, qsig. For BRI, the protocol may be ansi, dss1, etsi, ni, ntt.
INT hwLapdIsdnIfMode	1.3.6.1.4.1.2011.2.33.9.1.3.1.1.3	INTEGER	read-write	The physical interface mode. For TE mode, the value of this object is userSide. For NT mode, the value of this object is networkSide.
INT hwLapdIsdnLinkStatus	1.3.6.1.4.1.2011.2.33.9.1.3.1.1.4	INTEGER	read-only	The operational status of this interface: inactive all layers are inactive. l1Active layer 1 is activated, layer 2 datalink not established. l2Active layer 1 is activated, layer 2 datalink established.
hwLapdIsdnControl	1.3.6.1.4.1.2011.2.33.9.1.3.2
INT hwLapdStatusTrapEnable	1.3.6.1.4.1.2011.2.33.9.1.3.2.1	INTEGER	read-write	This object is used to control sending hwLapdIsdnStatusChange trap.
hwIsdnMibTraps	1.3.6.1.4.1.2011.2.33.9.2
NTF hwChanbIsdnCall	1.3.6.1.4.1.2011.2.33.9.2.1			When one call is setup ,cleard or determined , the trap is sent to NMS
NTF hwQ931IsdnCallSetup	1.3.6.1.4.1.2011.2.33.9.2.2			This trap/inform is sent to the manager whenever a call is established successfully.
NTF hwQ931IsdnCallClear	1.3.6.1.4.1.2011.2.33.9.2.3			This trap/inform is sent to the manager under the following conditions: - an existent call is normally cleared. - an existent call is determined to have ultimately failed, and has been cleared. - the existent call is cleared when the BRI/PRI port is down. - the existent call is cleared when the dialer rule is down.
NTF hwLapdIsdnStatusChange	1.3.6.1.4.1.2011.2.33.9.2.4			This trap/inform is sent to the manager whenever the D-channel of an interface changes state.

RFC description

Huawei ISDN (Integrated Services Digital Network) MIB for managing ISDN line configurations, status, and performance on Huawei routers and access devices.

Start monitoring Huawei router with ISDN BRI/PRI interfaces 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 HUAWEI-ISDN-MIB