OLD-CISCO-SYS-MIB

All MIBs › OLD-CISCO-SYS-MIB

Category: Legacy Cisco IOS

Description: Provides legacy Cisco IOS system description and configuration objects from early Cisco IOS versions.

Start monitoring vendor-neutral, standards-based MIB, any SNMPv3-capable network device (SNMP engine identity/boot/clock status) 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.

What Is OLD-CISCO-SYS-MIB?

OLD-CISCO-SYS-MIB is a legacy Cisco enterprise MIB exposing basic system description and configuration objects from early Cisco IOS software releases, predating the more complete modern Cisco system MIBs. No object names were supplied in this batch, but MIBs of this vintage typically expose the running configuration register, software version/description, bootstrap information, and basic chassis identity. Its role in monitoring is primarily software status: tracking the IOS software version/description string helps confirm what code a device is running, which is important for spotting devices that haven't been upgraded or that are running a version known to have bugs or vulnerabilities. It has no dependency on later standard MIBs, existing purely as Cisco's earliest proprietary system-identification objects. It is deployed on older Cisco IOS routers/switches to provide basic system version and configuration visibility to management stations. Network engineers evaluating or troubleshooting this functionality can download the OLD-CISCO-SYS-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in OLD-CISCO-SYS-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

legacy Cisco IOS router/switch (early platforms)

Monitoring Examples

An operator would poll the system description/version object to confirm which IOS release a given legacy router is running, cross-referencing it against a list of devices due for a software upgrade. The configuration register object would be checked when troubleshooting unexpected boot behavior, since it controls boot source and console settings on Cisco IOS devices. Because no object names were available in this batch, exact object names cannot be confirmed and this description reflects the module's known general purpose.

What Can Be Monitored

IOS software version/description
configuration register
system identity

Imported Objects

From CISCO-SMI

local

OBJECT-IDENTITY

From RFC-1212

OBJECT-TYPE

From RFC1155-SMI

IpAddress

From RFC1213-MIB

DisplayString

OIDs

OID symbolic	OID numeric	Type	Access	Description
IP authAddr	1.3.6.1.4.1.9.2.1.5	IpAddress	read-only	This variable contains the last SNMP authorization failure IP address.
INT avgBusy1	1.3.6.1.4.1.9.2.1.57	INTEGER	read-only	1 minute exponentially-decayed moving average of the CPU busy percentage.
INT avgBusy5	1.3.6.1.4.1.9.2.1.58	INTEGER	read-only	5 minute exponentially-decayed moving average of the CPU busy percentage.
IP bootHost	1.3.6.1.4.1.9.2.1.6	IpAddress	read-only	Contains the IP address of the host that supplied the currently running software.
INT bufferBgCreate	1.3.6.1.4.1.9.2.1.37	INTEGER	read-only	Contains the number of big buffer creates.
INT bufferBgFree	1.3.6.1.4.1.9.2.1.32	INTEGER	read-only	Contains the number of free big buffers.
INT bufferBgHit	1.3.6.1.4.1.9.2.1.34	INTEGER	read-only	Contains the number of big buffer hits.
INT bufferBgMax	1.3.6.1.4.1.9.2.1.33	INTEGER	read-only	Contains the maximum number of big buffers.
INT bufferBgMiss	1.3.6.1.4.1.9.2.1.35	INTEGER	read-only	Contains the number of big buffer misses.
INT bufferBgSize	1.3.6.1.4.1.9.2.1.30	INTEGER	read-only	Contains the size of big buffers.
INT bufferBgTotal	1.3.6.1.4.1.9.2.1.31	INTEGER	read-only	Contains the total number of big buffers.
INT bufferBgTrim	1.3.6.1.4.1.9.2.1.36	INTEGER	read-only	Contains the number of big buffer trims.
INT bufferElCreate	1.3.6.1.4.1.9.2.1.13	INTEGER	read-only	Contains the number of buffer element creates.
INT bufferElFree	1.3.6.1.4.1.9.2.1.9	INTEGER	read-only	Contains the number of free buffer elements.
INT bufferElHit	1.3.6.1.4.1.9.2.1.11	INTEGER	read-only	Contains the number of buffer element hits.
INT bufferElMax	1.3.6.1.4.1.9.2.1.10	INTEGER	read-only	Contains the maximum number of buffer elements.
INT bufferElMiss	1.3.6.1.4.1.9.2.1.12	INTEGER	read-only	Contains the number of buffer element misses.
INT bufferFail	1.3.6.1.4.1.9.2.1.46	INTEGER	read-only	Count of the number of buffer allocation failures.
INT bufferHgCreate	1.3.6.1.4.1.9.2.1.69	INTEGER	read-only	Contains the number of huge buffer creates.
INT bufferHgFree	1.3.6.1.4.1.9.2.1.64	INTEGER	read-only	Contains the number of free huge buffers.
INT bufferHgHit	1.3.6.1.4.1.9.2.1.66	INTEGER	read-only	Contains the number of huge buffer hits.
INT bufferHgMax	1.3.6.1.4.1.9.2.1.65	INTEGER	read-only	Contains the maximum number of huge buffers.
INT bufferHgMiss	1.3.6.1.4.1.9.2.1.67	INTEGER	read-only	Contains the number of huge buffer misses.
INT bufferHgSize	1.3.6.1.4.1.9.2.1.62	INTEGER	read-only	Contains the size of huge buffers.
INT bufferHgTotal	1.3.6.1.4.1.9.2.1.63	INTEGER	read-only	Contains the total number of huge buffers.
INT bufferHgTrim	1.3.6.1.4.1.9.2.1.68	INTEGER	read-only	Contains the number of huge buffer trims.
INT bufferLgCreate	1.3.6.1.4.1.9.2.1.45	INTEGER	read-only	Contains the number of large buffer creates.
INT bufferLgFree	1.3.6.1.4.1.9.2.1.40	INTEGER	read-only	Contains the number of free large buffers.
INT bufferLgHit	1.3.6.1.4.1.9.2.1.42	INTEGER	read-only	Contains the number of large buffer hits.
INT bufferLgMax	1.3.6.1.4.1.9.2.1.41	INTEGER	read-only	Contains the maximum number of large buffers.
INT bufferLgMiss	1.3.6.1.4.1.9.2.1.43	INTEGER	read-only	Contains the number of large buffer misses.
INT bufferLgSize	1.3.6.1.4.1.9.2.1.38	INTEGER	read-only	Contains the size of large buffers.
INT bufferLgTotal	1.3.6.1.4.1.9.2.1.39	INTEGER	read-only	Contains the total number of large buffers.
INT bufferLgTrim	1.3.6.1.4.1.9.2.1.44	INTEGER	read-only	Contains the number of large buffer trims.
INT bufferMdCreate	1.3.6.1.4.1.9.2.1.29	INTEGER	read-only	Contains the number of medium buffer creates.
INT bufferMdFree	1.3.6.1.4.1.9.2.1.24	INTEGER	read-only	Contains the number of free medium buffers.
INT bufferMdHit	1.3.6.1.4.1.9.2.1.26	INTEGER	read-only	Contains the number of medium buffer hits.
INT bufferMdMax	1.3.6.1.4.1.9.2.1.25	INTEGER	read-only	Contains the maximum number of medium buffers.
INT bufferMdMiss	1.3.6.1.4.1.9.2.1.27	INTEGER	read-only	Contains the number of medium buffer misses.
INT bufferMdSize	1.3.6.1.4.1.9.2.1.22	INTEGER	read-only	Contains the size of medium buffers.
INT bufferMdTotal	1.3.6.1.4.1.9.2.1.23	INTEGER	read-only	Contains the total number of medium buffers.
INT bufferMdTrim	1.3.6.1.4.1.9.2.1.28	INTEGER	read-only	Contains the number of medium buffer trims.
INT bufferNoMem	1.3.6.1.4.1.9.2.1.47	INTEGER	read-only	Count of the number of buffer create failures due to no free memory.
INT bufferSmCreate	1.3.6.1.4.1.9.2.1.21	INTEGER	read-only	Contains the number of small buffer creates.
INT bufferSmFree	1.3.6.1.4.1.9.2.1.16	INTEGER	read-only	Contains the number of free small buffers.
INT bufferSmHit	1.3.6.1.4.1.9.2.1.18	INTEGER	read-only	Contains the number of small buffer hits.
INT bufferSmMax	1.3.6.1.4.1.9.2.1.17	INTEGER	read-only	Contains the maximum number of small buffers.
INT bufferSmMiss	1.3.6.1.4.1.9.2.1.19	INTEGER	read-only	Contains the number of small buffer misses.
INT bufferSmSize	1.3.6.1.4.1.9.2.1.14	INTEGER	read-only	Contains the size of small buffers.
INT bufferSmTotal	1.3.6.1.4.1.9.2.1.15	INTEGER	read-only	Contains the total number of small buffers.
INT bufferSmTrim	1.3.6.1.4.1.9.2.1.20	INTEGER	read-only	Contains the number of small buffer trims.
INT busyPer	1.3.6.1.4.1.9.2.1.56	INTEGER	read-only	CPU busy percentage in the last 5 second period. Not the last 5 realtime seconds but the last 5 second period in the scheduler.
STR ciscoContactInfo	1.3.6.1.4.1.9.2.1.61	DisplayString	read-only	cisco's name and address
STR domainName	1.3.6.1.4.1.9.2.1.4	DisplayString	read-only	This variable is the domain portion of the domain name of the host.
STR envBurnDate	1.3.6.1.4.1.9.2.1.111	DisplayString	read-only	The calibration / burn in date
STR envFirmVersion	1.3.6.1.4.1.9.2.1.108	DisplayString	read-only	Description of Environmental Card firmware
INT envPresent	1.3.6.1.4.1.9.2.1.77	INTEGER	read-only	Is there an environmental monitor card in this box?, 0 - No, 1-AGS card present, wrong firmware, 2-AGS CARD present, firmware ok, 3-7000 support
STR envSerialNumber	1.3.6.1.4.1.9.2.1.112	DisplayString	read-only	Serial Number of environmental monitor card
STR envTechnicianID	1.3.6.1.4.1.9.2.1.109	DisplayString	read-only	Technician ID
STR envTestPt1Descr	1.3.6.1.4.1.9.2.1.78	DisplayString	read-only	Description of the test point 1. Typically ambient air or the temperature of air entering the router
INT envTestPt1last	1.3.6.1.4.1.9.2.1.96	INTEGER	read-only	Value of TestPt1 when last shutdown occurred.
INT envTestPt1MarginVal	1.3.6.1.4.1.9.2.1.90	INTEGER	read-only	Value at which the router will shutdown. Typically the ambient air temperature that will shut the router down. (e.g. 43)
INT envTestPt1Measure	1.3.6.1.4.1.9.2.1.79	INTEGER	read-only	Current value of test point 1. Typically a temperature in centigrade.
INT envTestPt1warn	1.3.6.1.4.1.9.2.1.102	INTEGER	read-only	Is this test point at a warning level?
STR envTestPt2Descr	1.3.6.1.4.1.9.2.1.80	DisplayString	read-only	Description of the test point 2. Typically airflow or the temperature of air leaving the router
INT envTestPt2last	1.3.6.1.4.1.9.2.1.97	INTEGER	read-only	Value of TestPt2 when last shutdown occurred.
INT envTestPt2MarginVal	1.3.6.1.4.1.9.2.1.91	INTEGER	read-only	Value at which the router will shutdown. Typically the airflow air temperature that will shut the router down. (e.g. 58)
INT envTestPt2Measure	1.3.6.1.4.1.9.2.1.81	INTEGER	read-only	Current value of test point 2. Typically a temperature in centigrade.
INT envTestPt2warn	1.3.6.1.4.1.9.2.1.103	INTEGER	read-only	Is this test point at a warning level?
STR envTestPt3Descr	1.3.6.1.4.1.9.2.1.82	DisplayString	read-only	Description of the test point 3. Typically +5 volt
INT envTestPt3last	1.3.6.1.4.1.9.2.1.98	INTEGER	read-only	Value of TestPt3 when last shutdown occurred.
INT envTestPt3MarginPercent	1.3.6.1.4.1.9.2.1.92	INTEGER	read-only	+/- Percentage that will shut the router down, (e.g. 10%) typically +5 volt
INT envTestPt3Measure	1.3.6.1.4.1.9.2.1.83	INTEGER	read-only	Current value of test point 3. Typically the value in millivolts of the +5v supply
INT envTestPt3warn	1.3.6.1.4.1.9.2.1.104	INTEGER	read-only	Is this test point at a warning level?
STR envTestPt4Descr	1.3.6.1.4.1.9.2.1.84	DisplayString	read-only	Description of the test point 4. Typically +12 volt
INT envTestPt4last	1.3.6.1.4.1.9.2.1.99	INTEGER	read-only	Value of TestPt4 when last shutdown occurred.
INT envTestPt4MarginPercent	1.3.6.1.4.1.9.2.1.93	INTEGER	read-only	+/- Percentage that will shut the router down, (e.g. 15%) typically +12 volt
INT envTestPt4Measure	1.3.6.1.4.1.9.2.1.85	INTEGER	read-only	Current value of test point 4. Typically the value in millivolts of the +12v supply
INT envTestPt4warn	1.3.6.1.4.1.9.2.1.105	INTEGER	read-only	Is this test point at a warning level?
STR envTestPt5Descr	1.3.6.1.4.1.9.2.1.86	DisplayString	read-only	Description of the test point 5. Typically -12 volt
INT envTestPt5last	1.3.6.1.4.1.9.2.1.100	INTEGER	read-only	Value of TestPt5 when last shutdown occurred.
INT envTestPt5MarginPercent	1.3.6.1.4.1.9.2.1.94	INTEGER	read-only	+/- Percentage that will shut the router down, (e.g. 15%) typically -12 volt
INT envTestPt5Measure	1.3.6.1.4.1.9.2.1.87	INTEGER	read-only	Current value of test point 5. Typically the value in millivolts of the -12v supply
INT envTestPt5warn	1.3.6.1.4.1.9.2.1.106	INTEGER	read-only	Is this test point at a warning level?
STR envTestPt6Descr	1.3.6.1.4.1.9.2.1.88	DisplayString	read-only	Description of the test point 6. Typically -5 volt
INT envTestPt6last	1.3.6.1.4.1.9.2.1.101	INTEGER	read-only	Value of TestPt6 when last shutdown occurred.
INT envTestPt6MarginPercent	1.3.6.1.4.1.9.2.1.95	INTEGER	read-only	+/- Percentage that will shut the router down, (e.g. 10%) typically -5 volt
INT envTestPt6Measure	1.3.6.1.4.1.9.2.1.89	INTEGER	read-only	Current value of test point 6. Typically the value in millivolts of the -5v supply
INT envTestPt6warn	1.3.6.1.4.1.9.2.1.107	INTEGER	read-only	Is this test point at a warning level?
STR envType	1.3.6.1.4.1.9.2.1.110	DisplayString	read-only	The type of environmental card
INT freeMem	1.3.6.1.4.1.9.2.1.8	INTEGER	read-only	The freeMem mib object is obsolete as of IOS 11.1 It has been replaced with the cisco memory pool mib
IP hostConfigAddr	1.3.6.1.4.1.9.2.1.51	IpAddress	read-only	Contains the address of the host that provided the host-config file.
STR hostConfigName	1.3.6.1.4.1.9.2.1.52	DisplayString	read-only	Contains the name of the last configured host-confg file.
INT hostConfigProto	1.3.6.1.4.1.9.2.1.71	INTEGER	read-only	Holds the protocol that supplied the host- confg file.
STR hostConfigSet	1.3.6.1.4.1.9.2.1.53	DisplayString	write-only	Cause the loading of a new host-confg file using TFTP.
STR hostName	1.3.6.1.4.1.9.2.1.3	DisplayString	read-only	This variable represents the name of the host in printable ascii characters.
INT idleCount	1.3.6.1.4.1.9.2.1.59	INTEGER	read-write	cisco internal variable. not to be used
INT idleWired	1.3.6.1.4.1.9.2.1.60	INTEGER	read-write	cisco internal variable. not to be used
lsystem	1.3.6.1.4.1.9.2.1
IP netConfigAddr	1.3.6.1.4.1.9.2.1.48	IpAddress	read-only	Holds the address of the host that supplied the network-confg file.
STR netConfigName	1.3.6.1.4.1.9.2.1.49	DisplayString	read-only	Holds the name of the network configuration file.
INT netConfigProto	1.3.6.1.4.1.9.2.1.70	INTEGER	read-only	Holds the protocol that supplied the network-confg file.
STR netConfigSet	1.3.6.1.4.1.9.2.1.50	DisplayString	write-only	Cause the loading of a new network-confg file using TFTP.
INT ping	1.3.6.1.4.1.9.2.1.7	INTEGER	read-write	The ping mib object is obsolete as of IOS 10.2 It has been superseded by the Cisco Ping MIB
STR romId	1.3.6.1.4.1.9.2.1.1	DisplayString	read-only	This variable contains a printable octet string which contains the System Bootstrap description and version identification.
INT sysClearARP	1.3.6.1.4.1.9.2.1.75	INTEGER	write-only	Perform a clearing of the entire ARP cache and invalidation of route caches.
INT sysClearInt	1.3.6.1.4.1.9.2.1.76	INTEGER	write-only	Clear interface given IfIndex as value.
IP sysConfigAddr	1.3.6.1.4.1.9.2.1.72	IpAddress	read-only	Holds the address of the host that supplied the system boot image.
STR sysConfigName	1.3.6.1.4.1.9.2.1.73	DisplayString	read-only	Holds the name of the system boot image.
INT sysConfigProto	1.3.6.1.4.1.9.2.1.74	INTEGER	read-only	Holds the protocol that supplied the system boot image.
STR whyReload	1.3.6.1.4.1.9.2.1.2	DisplayString	read-only	This variable contains a printable octet string which contains the reason why the system was last restarted.
INT writeMem	1.3.6.1.4.1.9.2.1.54	INTEGER	write-only	Write configuration into non-volatile memory / erase config memory if 0.
STR writeNet	1.3.6.1.4.1.9.2.1.55	DisplayString	write-only	Write configuration to host using TFTP.

RFC description

Legacy Cisco vendor-private MIB for system information and basic device management; superseded by newer MIBs.

Start monitoring Legacy Cisco IOS router/switch, early platforms (system version/config identity) 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 OLD-CISCO-SYS-MIB

What Is OLD-CISCO-SYS-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description