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.
Imported Objects
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.
What Can Be Monitored
- IOS software version/description
- configuration register
- system identity
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.
OIDs
| OID symbolic | OID numeric | Type | Access | Description |
|---|---|---|---|---|
| lsystem | 1.3.6.1.4.1.9.2.1 | |||
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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 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 |
| 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 |
| INT bufferElFree | 1.3.6.1.4.1.9.2.1.9 | INTEGER | read-only | Contains the number of free buffer elements. |
| INT bufferElMax | 1.3.6.1.4.1.9.2.1.10 | INTEGER | read-only | Contains the maximum number of 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 bufferElMiss | 1.3.6.1.4.1.9.2.1.12 | INTEGER | read-only | Contains the number of buffer element misses. |
| INT bufferElCreate | 1.3.6.1.4.1.9.2.1.13 | INTEGER | read-only | Contains the number of buffer element creates. |
| 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 bufferSmFree | 1.3.6.1.4.1.9.2.1.16 | INTEGER | read-only | Contains the number of free small buffers. |
| INT bufferSmMax | 1.3.6.1.4.1.9.2.1.17 | INTEGER | read-only | Contains the maximum number of 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 bufferSmMiss | 1.3.6.1.4.1.9.2.1.19 | INTEGER | read-only | Contains the number of small buffer misses. |
| INT bufferSmTrim | 1.3.6.1.4.1.9.2.1.20 | INTEGER | read-only | Contains the number of small buffer trims. |
| INT bufferSmCreate | 1.3.6.1.4.1.9.2.1.21 | INTEGER | read-only | Contains the number of small buffer creates. |
| 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 bufferMdFree | 1.3.6.1.4.1.9.2.1.24 | INTEGER | read-only | Contains the number of free medium buffers. |
| INT bufferMdMax | 1.3.6.1.4.1.9.2.1.25 | INTEGER | read-only | Contains the maximum number of 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 bufferMdMiss | 1.3.6.1.4.1.9.2.1.27 | INTEGER | read-only | Contains the number of medium buffer misses. |
| INT bufferMdTrim | 1.3.6.1.4.1.9.2.1.28 | INTEGER | read-only | Contains the number of medium 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 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 bufferBgFree | 1.3.6.1.4.1.9.2.1.32 | INTEGER | read-only | Contains the number of free big buffers. |
| INT bufferBgMax | 1.3.6.1.4.1.9.2.1.33 | INTEGER | read-only | Contains the maximum number of 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 bufferBgMiss | 1.3.6.1.4.1.9.2.1.35 | INTEGER | read-only | Contains the number of big buffer misses. |
| INT bufferBgTrim | 1.3.6.1.4.1.9.2.1.36 | INTEGER | read-only | Contains the number of big buffer trims. |
| INT bufferBgCreate | 1.3.6.1.4.1.9.2.1.37 | INTEGER | read-only | Contains the number of big buffer creates. |
| 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 bufferLgFree | 1.3.6.1.4.1.9.2.1.40 | INTEGER | read-only | Contains the number of free large buffers. |
| INT bufferLgMax | 1.3.6.1.4.1.9.2.1.41 | INTEGER | read-only | Contains the maximum number of 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 bufferLgMiss | 1.3.6.1.4.1.9.2.1.43 | INTEGER | read-only | Contains the number of large buffer misses. |
| INT bufferLgTrim | 1.3.6.1.4.1.9.2.1.44 | INTEGER | read-only | Contains the number of large 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 bufferFail | 1.3.6.1.4.1.9.2.1.46 | INTEGER | read-only | Count of the number of buffer allocation failures. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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 |
| STR ciscoContactInfo | 1.3.6.1.4.1.9.2.1.61 | DisplayString | read-only | cisco's name and address |
| 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 bufferHgFree | 1.3.6.1.4.1.9.2.1.64 | INTEGER | read-only | Contains the number of free huge buffers. |
| INT bufferHgMax | 1.3.6.1.4.1.9.2.1.65 | INTEGER | read-only | Contains the maximum number of 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 bufferHgMiss | 1.3.6.1.4.1.9.2.1.67 | INTEGER | read-only | Contains the number of huge buffer misses. |
| INT bufferHgTrim | 1.3.6.1.4.1.9.2.1.68 | INTEGER | read-only | Contains the number of huge buffer trims. |
| INT bufferHgCreate | 1.3.6.1.4.1.9.2.1.69 | INTEGER | read-only | Contains the number of huge buffer creates. |
| INT netConfigProto | 1.3.6.1.4.1.9.2.1.70 | INTEGER | read-only | Holds the protocol that supplied the network-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. |
| 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. |
| 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. |
| 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 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 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. |
| 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 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. |
| 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 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 |
| 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 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 |
| 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 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 |
| 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 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 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 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 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 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 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 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 envTestPt1last | 1.3.6.1.4.1.9.2.1.96 | INTEGER | read-only | Value of TestPt1 when last shutdown occurred. |
| INT envTestPt2last | 1.3.6.1.4.1.9.2.1.97 | INTEGER | read-only | Value of TestPt2 when last shutdown occurred. |
| INT envTestPt3last | 1.3.6.1.4.1.9.2.1.98 | INTEGER | read-only | Value of TestPt3 when last shutdown occurred. |
| INT envTestPt4last | 1.3.6.1.4.1.9.2.1.99 | INTEGER | read-only | Value of TestPt4 when last shutdown occurred. |
| INT envTestPt5last | 1.3.6.1.4.1.9.2.1.100 | INTEGER | read-only | Value of TestPt5 when last shutdown occurred. |
| INT envTestPt6last | 1.3.6.1.4.1.9.2.1.101 | INTEGER | read-only | Value of TestPt6 when last shutdown occurred. |
| INT envTestPt1warn | 1.3.6.1.4.1.9.2.1.102 | INTEGER | read-only | Is this test point at a warning level? |
| INT envTestPt2warn | 1.3.6.1.4.1.9.2.1.103 | INTEGER | read-only | Is this test point at a warning level? |
| INT envTestPt3warn | 1.3.6.1.4.1.9.2.1.104 | INTEGER | read-only | Is this test point at a warning level? |
| INT envTestPt4warn | 1.3.6.1.4.1.9.2.1.105 | INTEGER | read-only | Is this test point at a warning level? |
| INT envTestPt5warn | 1.3.6.1.4.1.9.2.1.106 | INTEGER | read-only | Is this test point at a warning level? |
| INT envTestPt6warn | 1.3.6.1.4.1.9.2.1.107 | INTEGER | read-only | Is this test point at a warning level? |
| STR envFirmVersion | 1.3.6.1.4.1.9.2.1.108 | DisplayString | read-only | Description of Environmental Card firmware |
| STR envTechnicianID | 1.3.6.1.4.1.9.2.1.109 | DisplayString | read-only | Technician ID |
| STR envType | 1.3.6.1.4.1.9.2.1.110 | DisplayString | read-only | The type of environmental card |
| STR envBurnDate | 1.3.6.1.4.1.9.2.1.111 | DisplayString | read-only | The calibration / burn in date |
| STR envSerialNumber | 1.3.6.1.4.1.9.2.1.112 | DisplayString | read-only | Serial Number of environmental monitor card |
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.