H3C-E1-MIB

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Organization: Hangzhou H3C Technologies Co., Ltd.

Last Updated: 2010-04-08

Category: Network Interfaces, Vendor: H3C/HH3C

Description: H3C MIB for E1 interface configuration and monitoring including framing, line coding, and performance counters.

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What Is H3C-E1-MIB?

H3C-E1-MIB is an H3C private-enterprise MIB providing E1 (2.048 Mbit/s digital telecom) interface information not covered by the standard RFC 1213 and RFC 2233 interface MIBs, targeting WAN/telecom interface modules on H3C routers. It exposes detailed per-interface physical-layer error and quality counters: CRC errors, framing errors, alignment errors, runt and giant frame errors, overruns, dribble errors, aborted sequence errors, and buffer-allocation failures. Its monitoring emphasis is squarely on hardware health: these counters let an operator detect a degrading E1 line, cabling fault, clocking mismatch, or framing misconfiguration well before the circuit fails outright. It explicitly states a complementary dependency on the standard IF-MIB (RFC 2233) and legacy MIB-II interfaces group (RFC 1213), which lack this E1-specific error detail. Deployment context is H3C routers with E1 WAN interface modules used for leased-line or telecom trunk connectivity in enterprise and carrier access networks, where operators typically use an H3C-E1-MIB MIB Browser to inspect these E1 error counters directly.

IPNetwork Monitor allows you to monitor SNMP objects defined in H3C-E1-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 router/switch with E1 WAN interface module

Monitoring Examples

An administrator polls e1InterfaceStatusTable/e1InterfaceStatusEntry to retrieve e1InterfaceInCrcErrs, e1InterfaceInFramingErrs, and e1InterfaceInAlignErrs for each E1 port. A steadily rising e1InterfaceInCrcErrs or e1InterfaceInFramingErrs count across successive polls signals a degrading physical E1 circuit or a clock-source mismatch, while a growing e1InterfaceInNoBufferErrs or e1InterfaceInOverRunsErrs count suggests the router is dropping frames due to buffer exhaustion under load.

What Can Be Monitored

E1 CRC errors
E1 framing errors
E1 alignment errors
runt/giant frame errors
buffer overrun / no-buffer errors
aborted sequence errors

Imported Objects

From HUAWEI-3COM-OID-MIB

h3cCommon

OBJECT-IDENTITY

From RFC1213-MIB

ifIndex

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Counter32
Integer32
MODULE-IDENTITY
OBJECT-TYPE

From SNMPv2-TC

RowStatus
TEXTUAL-CONVENTION

How to Use in IPNetwork Monitor

Example using e1InterfaceInErrs OID:

Select an H3C router/switch with E1 WAN interface module 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 e1InterfaceInErrs 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. The total number of error received on this interface. 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 between polls, since a rising count of errors, failures, or discards often points to a real underlying problem. Click Finish to create the monitor; you can adjust any parameter later.

OIDs

OID symbolic	OID numeric	Type	Access	Description
h3cE1	1.3.6.1.4.1.2011.10.2.28			This MIB provides E1 interface information that are excluded by RFC 1213 and RFC 2233
e1InterfaceStatusTable	1.3.6.1.4.1.2011.10.2.28.1		not-accessible	This table contains E1 interface packet statistics
e1InterfaceStatusEntry	1.3.6.1.4.1.2011.10.2.28.1.1		not-accessible	This entry contains E1 interface packet statistics. The index of this Entry is ifIndex defined in ifTable of RFC1213-MIB
C32 e1InterfaceInErrsEx	1.3.6.1.4.1.2011.10.2.28.1.1.1	Counter32	read-only	The total number of error received on this interface
C32 e1InterfaceInRuntsErrs	1.3.6.1.4.1.2011.10.2.28.1.1.2	Counter32	read-only	The number of Runts Error(too short packet) received on this interface
C32 e1InterfaceInGiantsErrs	1.3.6.1.4.1.2011.10.2.28.1.1.3	Counter32	read-only	The number of Giants Error(too long packet) received on this interface
C32 e1InterfaceInCrcErrs	1.3.6.1.4.1.2011.10.2.28.1.1.4	Counter32	read-only	The number of CRC Error received on this interface
C32 e1InterfaceInAlignErrs	1.3.6.1.4.1.2011.10.2.28.1.1.5	Counter32	read-only	The number of Align Error received on this interface
C32 e1InterfaceInOverRunsErrs	1.3.6.1.4.1.2011.10.2.28.1.1.6	Counter32	read-only	The number of Over Runs Error received on this interface
C32 e1InterfaceInDribblesErrs	1.3.6.1.4.1.2011.10.2.28.1.1.7	Counter32	read-only	The number of dribble packets received
C32 e1InterfaceInAbortedSeqErrs	1.3.6.1.4.1.2011.10.2.28.1.1.8	Counter32	read-only	The number of AbortedSeq Error received on this interface
C32 e1InterfaceInNoBufferErrs	1.3.6.1.4.1.2011.10.2.28.1.1.9	Counter32	read-only	The number of Error (no buffer available)
C32 e1InterfaceInFramingErrs	1.3.6.1.4.1.2011.10.2.28.1.1.10	Counter32	read-only	The number of framing Errors
C32 e1InterfaceOutputErrs	1.3.6.1.4.1.2011.10.2.28.1.1.11	Counter32	read-only	The number of total Error transmited on this interface
C32 e1InterfaceOutUnderRunErrs	1.3.6.1.4.1.2011.10.2.28.1.1.12	Counter32	read-only	The number of UnderRun Error transmited on this interface
C32 e1InterfaceOutCollisonsErrs	1.3.6.1.4.1.2011.10.2.28.1.1.13	Counter32	read-only	The number of Collisions Error transmited on this interface
C32 e1InterfaceOutDeferedErrs	1.3.6.1.4.1.2011.10.2.28.1.1.14	Counter32	read-only	The number of Deferred Error transmited on this interface
h3ce1Table	1.3.6.1.4.1.2011.10.2.28.2		not-accessible	A list of E1 interface entries.
h3ce1Entry	1.3.6.1.4.1.2011.10.2.28.2.1		not-accessible	This entry contains E1 interface management information.
BIT h3ce1Type	1.3.6.1.4.1.2011.10.2.28.2.1.1	Bits	read-only	Specifies the type of the E1 interface. Now it supports types as follow: voice voice type pos POS type
INT h3ce1Clock	1.3.6.1.4.1.2011.10.2.28.2.1.2	INTEGER	read-write	Specifies the clock type used on the E1 interface.
INT h3ce1FrameFormat	1.3.6.1.4.1.2011.10.2.28.2.1.3	INTEGER	read-write	Specifies the frame format used on the E1 interface.
INT h3ce1LineCode	1.3.6.1.4.1.2011.10.2.28.2.1.4	INTEGER	read-write	Specifies the line code type used on the E1 interface.
H3C h3ce1PriSetTimeSlot	1.3.6.1.4.1.2011.10.2.28.2.1.5	H3cE1TimeSlot	read-write	This is a bit-map of PRI time slots used on the E1 interface. It needs to administratively shut down the D channel of the E1 interface before cancelling PRI time slots.
I32 h3ce1DChannelIndex	1.3.6.1.4.1.2011.10.2.28.2.1.6	Integer32	read-only	This is the ifIndex of the D channel of the E1 interface.
I32 h3ce1SubScribLineChannelIndex	1.3.6.1.4.1.2011.10.2.28.2.1.7	Integer32	read-only	This is the ifIndex of the subscriber-line channel of the E1 interface.
I32 h3ce1FcmChannelIndex	1.3.6.1.4.1.2011.10.2.28.2.1.8	Integer32	read-only	This is the ifIndex of the FCM (Fast Connection Modem) channel of the E1 interface.
h3ce1InterfaceTable	1.3.6.1.4.1.2011.10.2.28.3		not-accessible	A list of channels of E1 interface entries. Including D channels and subscriber-line channels.
h3ce1InterfaceEntry	1.3.6.1.4.1.2011.10.2.28.3.1		not-accessible	This entry contains channels of E1 interface management information. Including D channels and subscriber-line channels.
I32 h3ce1ControllerIndex	1.3.6.1.4.1.2011.10.2.28.3.1.1	Integer32	read-only	Which E1 interface is this channel belonged to.
h3ce1TimeSlotSetTable	1.3.6.1.4.1.2011.10.2.28.4		not-accessible	A list of time slot set information of E1 interface entries.
h3ce1TimeSlotSetEntry	1.3.6.1.4.1.2011.10.2.28.4.1		not-accessible	This entry contains time slot set information of E1 interface.
I32 h3ce1TimeSlotSetGroupId	1.3.6.1.4.1.2011.10.2.28.4.1.1	Integer32	read-create	Group ID.
INT h3ce1TimeSlotSetSignalType	1.3.6.1.4.1.2011.10.2.28.4.1.2	INTEGER	read-create	Signal type. Now it supports types as follow: unkown, unkown em-delay E&M Delay Dial em-immediate E&M Immediate Start em-wink E&M Wink Start fxo-ground FXO Ground Start fxo-loop FXO Loop Start fxs-ground FXS Ground Start fxs-loop FXS Loop Start r2 R2 ITU Q421
H3C h3ce1TimeSlotSetList	1.3.6.1.4.1.2011.10.2.28.4.1.3	H3cE1TimeSlot	read-create	Time slot bit map.
ROW h3ce1TimeSlotSetRowStatus	1.3.6.1.4.1.2011.10.2.28.4.1.4	RowStatus	read-create	Operation status.

RFC description

H3C E1 interface MIB providing E1 circuit statistics, error counters, and time slot management for serial communication.

Start monitoring H3C router/switch with E1 WAN interface module 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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