ECHN-MIB

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Category: Network Interfaces

Description: Enterprise channel management MIB defining objects for configuring and monitoring network channel interfaces and their status.

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What Is ECHN-MIB?

This enterprise MIB (using the "nbs"/"nbSwitch" object prefix) manages Ethernet channel (link aggregation/trunk) configuration and status on managed switches. It exposes configuration limits and counts for channel groups (possible, maximum, running, and permanent channel counts) along with a running-channel table detailing each channel's index, operational status, and the list of member/linked ports. Its monitoring relevance is primarily link-aggregation health and configuration status: confirming how many trunk groups are configured versus the hardware maximum, which channels are currently running, and their member port composition, which helps detect a failed or partially-formed aggregation link. It has no strong dependency on external standard MIBs, appearing to be a self-contained private enterprise extension, though it parallels concepts in the standard IEEE 802.3ad/LACP MIB. It is deployed on enterprise managed switches that support Ethernet link aggregation/trunking for uplink redundancy and bandwidth aggregation. Engineers can download the ECHN-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in ECHN-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

nBase Communications managed Ethernet switch (link aggregation/trunk) — Identified as nBase Communications via enterprise OID 629 (token 'nbase'), not a generic unattributed switch as previously described.

Monitoring Examples

An admin can compare nbsEthChnRunNum against nbsEthChnMaxNum to see how many aggregated channels are active relative to hardware capacity, then walk nbsEthChnRunTable/nbsEthChnRunEntry to check each nbsEthChnRunIndex's nbsEthChnRunStatus and its nbsEthChnRunLinkList of member ports. A channel showing a down status, or a link list missing an expected port, would reveal a failed member link degrading the aggregate bandwidth.

What Can Be Monitored

possible/maximum/running/permanent channel counts
per-channel operational status
channel member port list
channel link list

Imported Objects

From RFC-1212

OBJECT-TYPE

From RFC1155-SMI

enterprises

OIDs

OID symbolic	OID numeric	Type	Access	Description
nbase	1.3.6.1.4.1.629
nbSwitchG1	1.3.6.1.4.1.629.1
nbSwitchG1Il	1.3.6.1.4.1.629.1.50
nbsEthChn	1.3.6.1.4.1.629.1.50.5
nbsEthChnRun	1.3.6.1.4.1.629.1.50.5.1
nbsEthChnRunTable	1.3.6.1.4.1.629.1.50.5.1.1		not-accessible	A list of the current Ethernet Channels defined. Number of entries is given by nbsEthChnMaxNum
nbsEthChnRunEntry	1.3.6.1.4.1.629.1.50.5.1.1.1		not-accessible	Contains the descriptor of a Ethernet Channel.
INT nbsEthChnRunIndex	1.3.6.1.4.1.629.1.50.5.1.1.1.1	INTEGER	read-only	The serial number of this entry in the nbsEthChnRunTbl. It may range from 1 to the value of nbsEthChnsRunMaxNum.
INT nbsEthChnRunStatus	1.3.6.1.4.1.629.1.50.5.1.1.1.2	INTEGER	read-write	The object is used to create/delete entries in the nbsEthChnRunTable table. Setting this value to invalid(2) for a certain nbsEthChnRunIndex, deletes this entry. To create a new entry a SET PDU with the nbsEthChnRunList and nbsEthChnRunStatus=valid(1) objects is required.
OCT nbsEthChnRunList	1.3.6.1.4.1.629.1.50.5.1.1.1.3	OCTET STRING	read-write	Bitmap of ports forming the Ethernet Channel in the Run Data Base. Each octet within the value of this object specifies a set of eight ports, with the first octet specifying ports 1 through 8, the second octet specifying ports 9 through 16, etc. Within each octet, the most significant bit represents the lowest numbered port, and the least significant bit represents the highest numbered port. Thus, each port of the switch is represented by a single bit within the value of this object. If that bit has a value of then that port is included in the set of ports. The port is not included if its bit has a value of .
OCT nbsEthChnRunLinkList	1.3.6.1.4.1.629.1.50.5.1.1.1.4	OCTET STRING	read-only	Bitmap of only Linked ports forming the Ethernet Channel in the Run Data Base. Each octet within the value of this object specifies a set of eight ports, with the first octet specifying ports 1 through 8, the second octet specifying ports 9 through 16, etc. Within each octet, the most significant bit represents the lowest numbered port, and the least significant bit represents the highest numbered port. Thus, each port of the switch is represented by a single bit within the value of this object. If that bit has a value of then that port is included in the set of ports. The port is not included if its bit has a value of .
nbsEthChnPerm	1.3.6.1.4.1.629.1.50.5.2
nbsEthChnPermTable	1.3.6.1.4.1.629.1.50.5.2.1		not-accessible	A list of the current Ethernet Channels defined. Number of entries is given by nbsEthChnMaxNum
nbsEthChnPermEntry	1.3.6.1.4.1.629.1.50.5.2.1.1		not-accessible	Contains the descriptor of a Ethernet Channel.
INT nbsEthChnPermIndex	1.3.6.1.4.1.629.1.50.5.2.1.1.1	INTEGER	read-only	The serial number of this entry in the nbsEthChnPermTbl. It may range from 1 to the value of nbsEthChnsPermMaxNum.
INT nbsEthChnPermStatus	1.3.6.1.4.1.629.1.50.5.2.1.1.2	INTEGER	read-write	The object is used to create/delete entries in the nbsEthChnPermTable table. Setting this value to invalid(2) for a certain nbsEthChnPermIndex, deletes this entry. To create a new entry a SET PDU with the nbsEthChnPermList and nbsEthChnPermStatus=valid(1) objects is required.
OCT nbsEthChnPermList	1.3.6.1.4.1.629.1.50.5.2.1.1.3	OCTET STRING	read-write	Bitmap of ports forming the Ethernet Channel in the Permanent Data Base. Each octet within the value of this object specifies a set of eight ports, with the first octet specifying ports 1 through 8, the second octet specifying ports 9 through 16, etc. Within each octet, the most significant bit represents the lowest numbered port, and the least significant bit represents the highest numbered port. Thus, each port of the switch is represented by a single bit within the value of this object. If that bit has a value of then that port is included in the set of ports. The port is not included if its bit has a value of .
nbsEthChnPoss	1.3.6.1.4.1.629.1.50.5.3
nbsEthChnPossTable	1.3.6.1.4.1.629.1.50.5.3.1		not-accessible	A list of the possible ports for the Ethernet Channels. Number of entries is given by nbsEthChnPossNum
nbsEthChnPossEntry	1.3.6.1.4.1.629.1.50.5.3.1.1		not-accessible	Contains the descriptor of a Ethernet Channel.
INT nbsEthChnPossIndex	1.3.6.1.4.1.629.1.50.5.3.1.1.1	INTEGER	read-only	The serial number of this entry in the nbsEthChnPossTable. It may range from 1 to the value of nbsEthChnPossNum.
INT nbsEthChnPossRunStatus	1.3.6.1.4.1.629.1.50.5.3.1.1.2	INTEGER	read-only	The object is used to know if the current possible port list is used in the RUN Ethernet Channel data base.
INT nbsEthChnPossPermStatus	1.3.6.1.4.1.629.1.50.5.3.1.1.3	INTEGER	read-only	The object is used to know if the current possible port list is used in the PERM Ethernet Channel data base.
INT nbsEthChnPossPortMaxNum	1.3.6.1.4.1.629.1.50.5.3.1.1.4	INTEGER	read-only	The max number of ports in the this EtherChannel.
OCT nbsEthChnPossList	1.3.6.1.4.1.629.1.50.5.3.1.1.5	OCTET STRING	read-only	Bitmap of ports that are possible for each Ethernet Channel. Each octet within the value of this object specifies a set of eight ports, with the first octet specifying ports 1 through 8, the second octet specifying ports 9 through 16, etc. Within each octet, the most significant bit represents the lowest numbered port, and the least significant bit represents the highest numbered port. Thus, each port of the switch is represented by a single bit within the value of this object. If that bit has a value of then that port is included in the set of ports. The port is not included if its bit has a value of .
INT nbsEthChnEnable	1.3.6.1.4.1.629.1.50.5.4	INTEGER	read-only	Ethernet Channel enable/disable mode of device
INT nbsEthChnPossNum	1.3.6.1.4.1.629.1.50.5.5	INTEGER	read-only	Maximum Possible number of the Groups for Ethernet Channels constructing.
INT nbsEthChnMaxNum	1.3.6.1.4.1.629.1.50.5.6	INTEGER	read-only	Maximum Real number of Ethernet Channels that may be constructed.
INT nbsEthChnRunNum	1.3.6.1.4.1.629.1.50.5.7	INTEGER	read-only	Real number of the Ethernet Channels in the RUN Data Base.
INT nbsEthChnPermNum	1.3.6.1.4.1.629.1.50.5.8	INTEGER	read-only	Real number of the Ethernet Channels in the PERM Data Base.

RFC description

Manages Ethernet Channel (port trunking) functionality on NBase switch communications ethernet switches.

Start monitoring nBase Communications managed Ethernet switch (link aggregation/trunk) 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 ECHN-MIB

What Is ECHN-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description