IBM3172-MIB

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Organization: OS/390 TCP/IP OpenEdition Development

Last Updated: 1997-04-07

Category: Domain: SNA/Legacy, SNA and Legacy Protocols, Vendor: IBM

Description: IBM MIB for the IBM 3172 Interconnect Controller providing OS/390 TCP/IP host-to-LAN connectivity management.

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What Is IBM3172-MIB?

IBM3172-MIB manages the IBM 3172 Interconnect Controller, a legacy device used to bridge OS/390 mainframe hosts to LAN networks running IBM's ICP (Interconnect Communication Program) software, providing host-to-LAN TCP/IP connectivity. It exposes an ibm3172SystemTable with standard system identity fields (description, contact, location, interface count) alongside per-interface trap-enable settings and channel-level traffic counters. Its monitoring value spans both software configuration and traffic/fault visibility: the ibm3172ifTrapTable lets an operator control and verify which interface events generate traps, while ibm3172ifChanCountersTable objects like ibm3172ifInChanOctets track channel-level data volume, revealing whether the host channel connection is passing traffic as expected or has gone silent. The core system table's descr/contact/location fields support basic asset and status identification of the controller itself. This MIB depends on standard MIB-II-style system conventions for its base system group and is deployed specifically on IBM 3172 controllers bridging OS/390 mainframes to Ethernet/Token Ring LANs in legacy IBM mainframe networking environments. Engineers can download the IBM3172-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in IBM3172-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

IBM 3172 Interconnect Controller

Monitoring Examples

An admin would poll ibm3172SystemTable/ibm3172SystemTableEntry to read ibm3172Descr, ibm3172Contact, ibm3172Location, and ibm3172ifNumber for basic device identification and interface count. Checking ibm3172ifChanCountersTable/ibm3172ifChanCountersTableEntry for ibm3172ifInChanOctets over time would reveal whether the mainframe channel connection is actively passing data or has stalled, indicating a channel-path problem. ibm3172ifTrapTable/ibm3172ifTrapTableEntry with ibm3172ifTrapEnable would be checked to confirm the controller is configured to notify the NMS of interface state changes on the affected channel.

What Can Be Monitored

system identity (description/contact/location)
interface count
per-channel inbound octet counters
interface trap-enable configuration

Imported Objects

From IF-MIB

ifIndex

OBJECT-TYPE

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Counter32
Integer32
MODULE-IDENTITY
OBJECT-TYPE
enterprises

From SNMPv2-TC

DisplayString

How to Use in IPNetwork Monitor

Example using ibm3172ifInChanOctets OID:

Select an IBM 3172 Interconnect Controller 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 ibm3172ifInChanOctets 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 number of inbound octets which were transmitted to the host by the 3172, including all headers. 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
ibm	1.3.6.1.4.1.2
ibmProd	1.3.6.1.4.1.2.6
ibm3172	1.3.6.1.4.1.2.6.1
ibm3172SystemTable	1.3.6.1.4.1.2.6.1.1		not-accessible	Descriptive information about units of 3172s.
ibm3172SystemTableEntry	1.3.6.1.4.1.2.6.1.1.1		not-accessible	Descriptive information about a 3172.
STR ibm3172Descr	1.3.6.1.4.1.2.6.1.1.1.1	DisplayString	read-only	Text Description of the 3172. Contains information on the hardware and software of the 3172. The format of the ibm3172Descr variable is : ttttxMODELxmmm,xSERIALxNUMBERxsssssssss,xiiiiiiiiiix 111111,xPROGRAMxNUMBERxpppppp where : x represents a blank character upper case letters are hardcoded characters , represents a comma the remaining lower case letters represent variable data as follows: t - machine type m - model number s - serial number i - software program name l - software level numbers p - software program product number. An example of the information sent with this attribute would be : '3172 MODEL 001, SERIAL NUMBER 000001234, 3172 Interconnect Ctlr Program 020100, 5601433'
STR ibm3172Contact	1.3.6.1.4.1.2.6.1.1.1.2	DisplayString	read-only	The textual identification of the contact person for this 3172, together with information on how to contact this person. This information is provided by the 3172 Operator Facility.
STR ibm3172Location	1.3.6.1.4.1.2.6.1.1.1.3	DisplayString	read-only	The physical location of this node. This information is provided by the 3172 Operator Facility.
I32 ibm3172ifNumber	1.3.6.1.4.1.2.6.1.1.1.4	Integer32	read-only	The number of interfaces (regardless of their current state) on which this 3172 can send data.
ibm3172ifTrapTable	1.3.6.1.4.1.2.6.1.2		not-accessible	Table of objects at the interface level pertaining to the trap function.
ibm3172ifTrapTableEntry	1.3.6.1.4.1.2.6.1.2.1		not-accessible	Objects at the interface level pertaining to the trap function.
INT ibm3172ifTrapEnable	1.3.6.1.4.1.2.6.1.2.1.1	INTEGER	read-only	Flag to indicate whether the 3172 should send traps for this interface to the SNMP proxy agent. '0' indicates the trap function of the 3172 is disabled, '1' indicates that it is enabled.
ibm3172ifChanCountersTable	1.3.6.1.4.1.2.6.1.3		not-accessible	Table of objects at the subnetwork layer and below pertaining to a particular subchannel of the 3172.
ibm3172ifChanCountersTableEntry	1.3.6.1.4.1.2.6.1.3.1		not-accessible	Objects at the subnetwork layer and below pertaining to a particular subchannel of the 3172.
C32 ibm3172ifInChanOctetsEx	1.3.6.1.4.1.2.6.1.3.1.1	Counter32	read-only	The number of inbound octets which were transmitted to the host by the 3172, including all headers.
C32 ibm3172ifOutChanOctets	1.3.6.1.4.1.2.6.1.3.1.2	Counter32	read-only	The number of outbound octets which were received from the host by the 3172, including all headers.
C32 ibm3172ifInChanBlocks	1.3.6.1.4.1.2.6.1.3.1.3	Counter32	read-only	The number of inbound blocks which were transmitted to the host by the 3172.
C32 ibm3172ifOutChanBlocks	1.3.6.1.4.1.2.6.1.3.1.4	Counter32	read-only	The number of outbound blocks which were received from the host by the 3172.
ibm3172ifLANCountersTable	1.3.6.1.4.1.2.6.1.4		not-accessible	Table of objects at the subnetwork layer and below pertaining to a particular LAN of the 3172.
ibm3172ifLANCountersTableEntry	1.3.6.1.4.1.2.6.1.4.1		not-accessible	Objects at the subnetwork layer and below pertaining to a particular LAN of the 3172.
C32 ibm3172ifInLANOctets	1.3.6.1.4.1.2.6.1.4.1.1	Counter32	read-only	The number of inbound octets which were received from the LAN by the 3172, including all headers.
C32 ibm3172ifOutLANOctets	1.3.6.1.4.1.2.6.1.4.1.2	Counter32	read-only	The number of outbound octets which were transmitted to the LAN by the 3172, including all headers.
C32 ibm3172ifInLANFrames	1.3.6.1.4.1.2.6.1.4.1.3	Counter32	read-only	The number of inbound frames which were received from the LAN by the 3172.
C32 ibm3172ifOutLANFrames	1.3.6.1.4.1.2.6.1.4.1.4	Counter32	read-only	The number of outbound frames which were transmitted to the LAN by the 3172.
C32 ibm3172ifInLANErrors	1.3.6.1.4.1.2.6.1.4.1.5	Counter32	read-only	The number of inbound frames received from the LAN by the 3172 that contained errors preventing them from being deliverable to a higher layer protocol. This variable, when combined with ibm3172ifInBlkErrors, reflects the total number of inbound frames not forwarded from the LAN to the host because of errors.
C32 ibm3172ifOutLANErrors	1.3.6.1.4.1.2.6.1.4.1.6	Counter32	read-only	The number of outbound frames that could not be transmitted to the LAN because of transmission failures. This variable, when combined with ibm3172ifOutDblkErrors, reflects the total number of outbound frames not transmitted to the LAN because of transmission errors.
C32 ibm3172ifInLANDiscards	1.3.6.1.4.1.2.6.1.4.1.7	Counter32	read-only	The number of inbound frames received from the LAN that were discarded by the 3172, even though no errors had been detected to prevent their being deliverable to a higher layer protocol. One possible reason for discarding such a frame could be because of insufficient buffer space. This variable, when combined with ibm3172ifInBlkDiscards, reflects the total number of inbound frames not forwarded from the LAN when no error was detected.
C32 ibm3172ifOutLANDiscards	1.3.6.1.4.1.2.6.1.4.1.8	Counter32	read-only	The number of outbound frames that are discarded.
ibm3172ifBlkCountersTable	1.3.6.1.4.1.2.6.1.5		not-accessible	Table of objects at the Subnetwork layer and below pertaining to a particular Blocker Task of the 3172.
ibm3172ifBlkCountersTableEntry	1.3.6.1.4.1.2.6.1.5.1		not-accessible	Objects at the Subnetwork layer and below pertaining to a particular Blocker Task of the 3172.
C32 ibm3172ifBlkRcvOctets	1.3.6.1.4.1.2.6.1.5.1.1	Counter32	read-only	The number of inbound octets which were received by the Blocker from the LAN, including all headers.
C32 ibm3172ifBlkXmitOctets	1.3.6.1.4.1.2.6.1.5.1.2	Counter32	read-only	The number of inbound octets which were transmitted to the channel adapter by the Blocker, including all headers.
C32 ibm3172ifBlkRcvFrames	1.3.6.1.4.1.2.6.1.5.1.3	Counter32	read-only	The number of inbound frames which were received from the LAN adapter by the Blocker Task.
C32 ibm3172ifBlkXmitBlocks	1.3.6.1.4.1.2.6.1.5.1.4	Counter32	read-only	The number of inbound blocks which were transmitted to the channel adapter by the blocker task.
C32 ibm3172ifInBlkErrors	1.3.6.1.4.1.2.6.1.5.1.5	Counter32	read-only	The number of inbound frames transmitted by the LAN adapter to the Blocker Task which contained errors preventing them from being deliverable to a higher layer protocol. This variable, when combined with ibm3172ifInLANErrors, reflects the total number of inbound frames discarded by the 3172 because of errors.
C32 ibm3172ifInBlkDiscards	1.3.6.1.4.1.2.6.1.5.1.6	Counter32	read-only	The number of inbound frames transmitted by the LAN adapter to the Blocker Task which were discarded by the 3172, even though no errors had been detected to prevent their being deliverable to a higher layer protocol. One possible reason for discarding such a frame could be because of insufficient buffer space. This variable, when combined with ibm3172ifInLANDiscards, reflects the total number of inbound frames discarded by the 3172 when no error was detected.
ibm3172ifDblkCountersTable	1.3.6.1.4.1.2.6.1.6		not-accessible	Table of objects at the subnetwork layer and below pertaining to a particular Deblocker Task of the 3172.
ibm3172ifDblkCountersTableEntry	1.3.6.1.4.1.2.6.1.6.1		not-accessible	Objects at the subnetwork layer and below pertaining to a particular Deblocker Task of the 3172.
C32 ibm3172ifDblkRcvOctets	1.3.6.1.4.1.2.6.1.6.1.1	Counter32	read-only	The number of outbound octets which were received by the Deblocker from the channel adapter, including all headers.
C32 ibm3172ifDblkXmitOctets	1.3.6.1.4.1.2.6.1.6.1.2	Counter32	read-only	The number of outbound octets which were transmitted to the LAN adapter by the Deblocker, including all headers.
C32 ibm3172ifDblkRcvBlocks	1.3.6.1.4.1.2.6.1.6.1.3	Counter32	read-only	The number of outbound blocks which were received from the channel adapter by the deblocker task.
C32 ibm3172ifDblkXmitFrames	1.3.6.1.4.1.2.6.1.6.1.4	Counter32	read-only	The number of outbound frames which were transmitted to the LAN adapter by the Deblocker Task.
C32 ibm3172ifOutDblkErrors	1.3.6.1.4.1.2.6.1.6.1.5	Counter32	read-only	The number of outbound frames transmitted by the channel adapter to the Deblocker Task which contained errors preventing them from being deliverable to a higher layer protocol. This variable, when combined with ibm3172ifOutLANErrors, reflects the total number of outbound frames discarded by the 3172 because of errors.
C32 ibm3172ifOutDblkDiscards	1.3.6.1.4.1.2.6.1.6.1.6	Counter32	read-only	The number of outbound frames transmitted by the channel adapter to the Deblocker Task which were discarded by the 3172, even though no errors had been detected to prevent their being deliverable to a higher layer protocol . One possible reason for discarding such a frame could be because of insufficient buffer space. This variable reflects the total number of outbound frames discarded by the 3172 when no error was detected.
ibm3172ifDeviceTable	1.3.6.1.4.1.2.6.1.7		not-accessible
ibm3172ifDeviceTableEntry	1.3.6.1.4.1.2.6.1.7.1		not-accessible
I32 ibm3172ifDeviceNumber	1.3.6.1.4.1.2.6.1.7.1.1	Integer32	read-only	The instance number, used to reference the ibm3172SystemTable, for the device associated with this interface.
ibm3172MIB	1.3.6.1.4.1.2.6.1.8			The MIB module for managing an IBM 3172 Device that has is running ICP.
ibm3172MIBConformance	1.3.6.1.4.1.2.6.1.8.2
ibm3172MIBCompliances	1.3.6.1.4.1.2.6.1.8.2.1
ibm3172MIBCompliance	1.3.6.1.4.1.2.6.1.8.2.1.1			The compliance statement for SNMPv2 entities which implement the IBM3172 MIB.
ibm3172MIBGroups	1.3.6.1.4.1.2.6.1.8.2.2
ibm3172Group	1.3.6.1.4.1.2.6.1.8.2.2.1			The ibm3172 group of objects providing for basic management of of an IBM 3172 device running ICP.

RFC description

IBM 3172 device management running ICP protocol with system identification and interface tables.

Start monitoring IBM 3172 Interconnect Controller 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 IBM3172-MIB