CNT242-MIB

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Organization: Computer Network Technology Corporation

Last Updated: 2000-12-11

Description: Computer Network Technology (CNT) ESCON engine MIB for managing ESCON adapter slots in CNT Zeus channel extension systems

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What Is CNT242-MIB?

CNT242-MIB is a Computer Network Technology (CNT) MIB covering the ESCON engine used in CNT's Zeus channel-extension systems, which bridge IBM mainframe ESCON channels over a network/WAN link. Based on its brief module description it is intended to expose configuration and status data for ESCON adapter slots within the channel-extension chassis. Presumably this includes hardware status of individual ESCON adapters/engines, since channel-extension gear of this era typically reports per-slot link/adapter health, though the exact object categories cannot be confirmed from the material available. No dependency information is discernible beyond its being part of the CNT Zeus/UltraNet proprietary MIB family, alongside related modules such as CNT246-MIB. It would have been deployed in legacy mainframe environments using CNT hardware to extend ESCON channels across a WAN, where the CNT242-MIB MIB remains the reference for interpreting those legacy channel-extension deployments.

IPNetwork Monitor allows you to monitor SNMP objects defined in CNT242-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

CNT (Computer Network Technology) Zeus channel-extension systems
ESCON-to-WAN channel extension gateway

Monitoring Examples

The only sample object provided is a comment placeholder ("--cnt2Escon") rather than a concrete leaf or table name, so no specific object identifiers can be honestly cited for a monitoring scenario. Based on the module's stated purpose, an admin would be expected to poll per-slot ESCON engine/adapter status to detect a failed or degraded channel-extension link, but the precise object names needed to do so are not available in this excerpt.

What Can Be Monitored

ESCON adapter/engine slot status (specific objects not available in source excerpt)

Imported Objects

From CNT2-MIB

cnt2Subagent

OBJECT-IDENTITY

From RFC-1212

OBJECT-TYPE

From RFC1065-SMI

Counter
enterprises

From SNMPv2-SMI

Counter32
MODULE-IDENTITY

From SNMPv2-TC

DisplayString

How to Use in IPNetwork Monitor

Example using cnt2sctRxMsgs2 OID:

Select a CNT Zeus ESCON channel-extension system (legacy) 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 cnt2sctRxMsgs2 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. It reports the receive message count. 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
cnt2Escon	1.3.6.1.4.1.333.2.4.2			This defines the CNT Escon Engine MIB
INT cnt2esconCpuUtil	1.3.6.1.4.1.333.2.4.2.1.1.4	INTEGER	read-only	The utilization of the CPU represented as a percentage (1-100%).
cnt2esconEntry	1.3.6.1.4.1.333.2.4.2.1.1		not-accessible	An individual escon adapter entry.
INT cnt2esconFreeGlobalMem	1.3.6.1.4.1.333.2.4.2.1.1.8	INTEGER	read-only	The total amount of global memory available represented in bytes. Global memory is used for buffers.
INT cnt2esconFreeLocalMem	1.3.6.1.4.1.333.2.4.2.1.1.6	INTEGER	read-only	The total amount of local memory available represented in bytes. Local memory is used for tasks and stacks.
INT cnt2esconLuaCount	1.3.6.1.4.1.333.2.4.2.1.1.2	INTEGER	read-only	The number of LUAs supported by this escon adapter.
STR cnt2esconMdmQlist	1.3.6.1.4.1.333.2.4.2.1.1.9	DisplayString	read-only	The list of MDM (interprocess) queue names.
STR cnt2esconMibVersion	1.3.6.1.4.1.333.2.4.2.1.1.3	DisplayString	read-only	The version of the MIB supported by the adapter.
INT cnt2esconSlot	1.3.6.1.4.1.333.2.4.2.1.1.1	INTEGER	read-only	The slot index for this escon adapter. format of slot index = ((slot-1) * 10000 + adapter number)
cnt2EsconTable	1.3.6.1.4.1.333.2.4.2.1		not-accessible	A list of entries describing an individual Escon Adaptor. A specific escon object is terminated with the slot number.
INT cnt2esconTotalGlobalMem	1.3.6.1.4.1.333.2.4.2.1.1.7	INTEGER	read-only	The total amount of global memory represented in bytes. Global memory is used for buffers.
INT cnt2esconTotalLocalMem	1.3.6.1.4.1.333.2.4.2.1.1.5	INTEGER	read-only	The total amount of local memory represented in bytes. Local memory is used for tasks and stacks.
cnt2luaEntry	1.3.6.1.4.1.333.2.4.2.2.1		not-accessible	An individual LUA entry.
cnt2luaEntry2	1.3.6.1.4.1.333.2.4.2.4.1		not-accessible	An individual LUA entry.
INT cnt2luaIfIndex2	1.3.6.1.4.1.333.2.4.2.4.1.2	INTEGER	read-only	The relative index for this LUA. It corresponds to the ifIndex.
INT cnt2luaIndex	1.3.6.1.4.1.333.2.4.2.2.1.2	INTEGER	read-only	The relative index for this LUA. It corresponds to the ifIndex.
INT cnt2luaIndex2	1.3.6.1.4.1.333.2.4.2.4.1.3	INTEGER	read-only	The relative index for the LUA on this interface.
INT cnt2luaNumber	1.3.6.1.4.1.333.2.4.2.2.1.3	INTEGER	read-only	The LUA number (0-255).
INT cnt2luaNumber2	1.3.6.1.4.1.333.2.4.2.4.1.4	INTEGER	read-only	The LUA number (0-255).
INT cnt2luaSlot	1.3.6.1.4.1.333.2.4.2.2.1.1	INTEGER	read-only	The slot index for this LUA. It corresponds to the slot on which this LUA is supported.
INT cnt2luaSlot2	1.3.6.1.4.1.333.2.4.2.4.1.1	INTEGER	read-only	The slot index for this LUA. It corresponds to the slot on which this LUA is supported.
cnt2LuaTable	1.3.6.1.4.1.333.2.4.2.2		not-accessible	A list of entries describing an individual Logical Unit Adaptor (LUA). A specific lua object is terminated with the channel number.
cnt2LuaTable2	1.3.6.1.4.1.333.2.4.2.4		not-accessible	A list of entries describing an individual Logical Unit Adaptor (LUA). A specific lua object is terminated with the channel number.
STR cnt2sctDrecPid	1.3.6.1.4.1.333.2.4.2.3.1.18	DisplayString	read-only	Channel PID name.
STR cnt2sctDrecPid2	1.3.6.1.4.1.333.2.4.2.5.1.19	DisplayString	read-only	Channel PID name.
STR cnt2sctDrecTask	1.3.6.1.4.1.333.2.4.2.3.1.19	DisplayString	read-only	Device specific driver task name.
STR cnt2sctDrecTask2	1.3.6.1.4.1.333.2.4.2.5.1.20	DisplayString	read-only	Device specific driver task name.
INT cnt2sctIfIndex2	1.3.6.1.4.1.333.2.4.2.5.1.2	INTEGER	read-only	The I/F index for this subchannel. This value corresponds with cnt2luaIfIndex.
INT cnt2sctIndex	1.3.6.1.4.1.333.2.4.2.3.1.3	INTEGER	read-only	The relative subchannel index for this lua.
INT cnt2sctIndex2	1.3.6.1.4.1.333.2.4.2.5.1.4	INTEGER	read-only	The relative subchannel index for this lua.
INT cnt2sctLuaIndex	1.3.6.1.4.1.333.2.4.2.3.1.2	INTEGER	read-only	The relative Lua index for this subchannel. This value corresponds with cnt2luaIndex.
INT cnt2sctLuaIndex2	1.3.6.1.4.1.333.2.4.2.5.1.3	INTEGER	read-only	The relative Lua index for this subchannel. This value corresponds with cnt2luaIndex2.
INT cnt2sctNumber	1.3.6.1.4.1.333.2.4.2.3.1.4	INTEGER	read-only	The sub-channel number (0-255).
INT cnt2sctNumber2	1.3.6.1.4.1.333.2.4.2.5.1.5	INTEGER	read-only	The sub-channel number (0-255).
INT cnt2sctRxCredit	1.3.6.1.4.1.333.2.4.2.3.1.9	INTEGER	read-only	Current receive buffer credit.
INT cnt2sctRxCredit2	1.3.6.1.4.1.333.2.4.2.5.1.10	INTEGER	read-only	Current receive buffer credit.
C32 cnt2sctRxDataBytes	1.3.6.1.4.1.333.2.4.2.3.1.12	Counter32	read-only	Receive data byte count.
C32 cnt2sctRxDataBytes2	1.3.6.1.4.1.333.2.4.2.5.1.13	Counter32	read-only	Receive data byte count.
C32 cnt2sctRxMsgBytes	1.3.6.1.4.1.333.2.4.2.3.1.11	Counter32	read-only	Receive message byte count.
C32 cnt2sctRxMsgBytes2	1.3.6.1.4.1.333.2.4.2.5.1.12	Counter32	read-only	Receive message byte count.
C32 cnt2sctRxMsgs	1.3.6.1.4.1.333.2.4.2.3.1.10	Counter32	read-only	Receive message count.
C32 cnt2sctRxMsgs2Ex	1.3.6.1.4.1.333.2.4.2.5.1.11	Counter32	read-only	Receive message count.
INT cnt2sctRxStatus	1.3.6.1.4.1.333.2.4.2.3.1.6	INTEGER	read-only	Bit value for the receive status. Bit Definition 0 Receive operation begun from host 1 Receive enabled/disabled 2 Cancel current receive message sequence 3 Pending associated data sequence 4 Request transport error notification
INT cnt2sctRxStatus2	1.3.6.1.4.1.333.2.4.2.5.1.7	INTEGER	read-only	Bit value for the receive status. Bit Definition 0 Receive operation begun from host 1 Receive enabled/disabled 2 Cancel current receive message sequence 3 Pending associated data sequence 4 Request transport error notification
INT cnt2sctSlotIndex	1.3.6.1.4.1.333.2.4.2.3.1.1	INTEGER	read-only	The slot index for this subchannel. It corresponds to the slot on which this subchannel is supported.
INT cnt2sctSlotIndex2	1.3.6.1.4.1.333.2.4.2.5.1.1	INTEGER	read-only	The slot index for this subchannel. It corresponds to the slot on which this subchannel is supported.
INT cnt2sctState	1.3.6.1.4.1.333.2.4.2.3.1.8	INTEGER	read-only	Bit value for the subchannel state. Bit Definition 0 Wait flag 1 Subchannel busy 2 Pending command retry 3 Pending completion status 4 Pending unsolicited status 6 Status stacked 7 Damage control active flag
INT cnt2sctState2	1.3.6.1.4.1.333.2.4.2.5.1.9	INTEGER	read-only	Bit value for the subchannel state. Bit Definition 0 Wait flag 1 Subchannel busy 2 Pending command retry 3 Pending completion status 4 Pending unsolicited status 6 Status stacked 7 Damage control active flag
INT cnt2sctSubChanStatus	1.3.6.1.4.1.333.2.4.2.3.1.7	INTEGER	read-only	Bit value for the device subchannel status. Bit Definition 0 Subchannel is allocated 1 Subchannel is established 2 Subchannel is sharable 3 Subchannel has dedicated buffers 4 Subchannel has pending completion 5 Subchannel has xmit multiple from user 6 Subchannel has receive multiple from user 7 Subchannel has buffer not available condition 8 Subchannel reason for no buffer (0=no credit; 1=no buffers) 9 Subchannel has network level doing flow control 10 Subchannel has pending connect 11 Subchannel has transmitted disconnect 12 Subchannel ignores buffer not available condition 13 Subchannel support Bus0 if not set, Bus1 if set 14 Subchannel has possible error during data transfer 15 Subchannel is allocated
INT cnt2sctSubChanStatus2	1.3.6.1.4.1.333.2.4.2.5.1.8	INTEGER	read-only	Bit value for the device subchannel status. Bit Definition 0 Subchannel is allocated 1 Subchannel is established 2 Subchannel is sharable 3 Subchannel has dedicated buffers 4 Subchannel has pending completion 5 Subchannel has xmit multiple from user 6 Subchannel has receive multiple from user 7 Subchannel has buffer not available condition 8 Subchannel reason for no buffer (0=no credit; 1=no buffers) 9 Subchannel has network level doing flow control 10 Subchannel has pending connect 11 Subchannel has transmitted disconnect 12 Subchannel ignores buffer not available condition 13 Subchannel support Bus0 if not set, Bus1 if set 14 Subchannel has possible error during data transfer 15 Subchannel is allocated
C32 cnt2sctTotalBytes	1.3.6.1.4.1.333.2.4.2.3.1.17	Counter32	read-only	Total number of bytes transmitted and received for this subchannel.
C32 cnt2sctTotalBytes2	1.3.6.1.4.1.333.2.4.2.5.1.18	Counter32	read-only	Total number of bytes transmitted and received for this subchannel.
C32 cnt2sctTxDataBytes	1.3.6.1.4.1.333.2.4.2.3.1.15	Counter32	read-only	Transmit data byte count.
C32 cnt2sctTxDataBytes2	1.3.6.1.4.1.333.2.4.2.5.1.16	Counter32	read-only	Transmit data byte count.
C32 cnt2sctTxErrMsgs	1.3.6.1.4.1.333.2.4.2.3.1.16	Counter32	read-only	Transmit error message count.
C32 cnt2sctTxErrMsgs2	1.3.6.1.4.1.333.2.4.2.5.1.17	Counter32	read-only	Transmit error message count.
C32 cnt2sctTxMsgBytes	1.3.6.1.4.1.333.2.4.2.3.1.14	Counter32	read-only	Transmit message byte count.
C32 cnt2sctTxMsgBytes2	1.3.6.1.4.1.333.2.4.2.5.1.15	Counter32	read-only	Transmit message byte count.
C32 cnt2sctTxMsgs	1.3.6.1.4.1.333.2.4.2.3.1.13	Counter32	read-only	Transmit message count.
C32 cnt2sctTxMsgs2	1.3.6.1.4.1.333.2.4.2.5.1.14	Counter32	read-only	Transmit message count.
INT cnt2sctTxStatus	1.3.6.1.4.1.333.2.4.2.3.1.5	INTEGER	read-only	Bit value for the transmit status. Bit Definition 0 Transmit to be cancelled 4 Transmit in operation 8 Buffer available to subchannel 9 Subchannel ready to accept POST-XMITs
INT cnt2sctTxStatus2	1.3.6.1.4.1.333.2.4.2.5.1.6	INTEGER	read-only	Bit value for the transmit status. Bit Definition 0 Transmit to be cancelled 4 Transmit in operation 8 Buffer available to subchannel 9 Subchannel ready to accept POST-XMITs
INT cnt2SubChanCount	1.3.6.1.4.1.333.2.4.2.2.1.4	INTEGER	read-only	The number of subchannels on the LUA (0-255).
INT cnt2SubChanCount2	1.3.6.1.4.1.333.2.4.2.4.1.5	INTEGER	read-only	The number of subchannels on the LUA (0-255).
cnt2subchanEntry	1.3.6.1.4.1.333.2.4.2.3.1		not-accessible	An individual subchannel entry.
cnt2subchanEntry2	1.3.6.1.4.1.333.2.4.2.5.1		not-accessible	An individual subchannel entry.
cnt2SubChanTable	1.3.6.1.4.1.333.2.4.2.3		not-accessible	A list of entries describing an individual subchannel. A specific subchannel object is referenced from the LUA table with instance object identifiers .lua.subchannel.
cnt2SubChanTable2	1.3.6.1.4.1.333.2.4.2.5		not-accessible	A list of entries describing an individual subchannel. A specific subchannel object is referenced from the LUA table with instance object identifiers .lua.subchannel.

RFC description

Computer Network Technology ESCON adapter MIB for mainframe connectivity with CPU utilization and memory monitoring.

Start monitoring CNT Zeus ESCON channel-extension system (legacy) 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 CNT242-MIB