BSDUNIX-MIB

All MIBs › BSDUNIX-MIB

Organization: Dover Beach Consulting, Inc.

Last Updated: 1993-12-15

Category: Device Management, Net-SNMP and Linux

Description: Monitors BSD Unix host system resources, processes, and network statistics via SNMP.

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 BSDUNIX-MIB?

BSDUNIX-MIB is a legacy MIB module for "4BSD/ISODE" entities, originating from early Unix-based SNMP agents built on the ISODE (ISO Development Environment) OSI protocol stack rather than being a general-purpose host-resource MIB. It exposes agent action controls, ISODE context and party test tables, generic test objects holding integer and string values, and low-level BSD kernel networking structures such as mbuf. Its monitoring value lies mainly in software/agent status — verifying SNMP agent test/response behavior via the ISODE test tables and agentAction, plus tracking kernel network buffer (mbuf) usage as an indicator of memory pressure or network buffer exhaustion on the host. It is tightly tied to the historical ISODE/OSI network management framework rather than modern IETF conventions, and has been effectively superseded by HOST-RESOURCES-MIB and UCD-SNMP-MIB-style modules for Unix host monitoring. It was historically deployed on early BSD Unix hosts running ISODE-based OSI/SNMP agents, and is now mainly of legacy/archival interest. Engineers can download the BSDUNIX-MIB file directly to load it into their MIB browser.

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

BSD Unix host running a legacy ISODE-based SNMP agent

Monitoring Examples

An administrator could poll mbuf to gauge kernel network buffer memory allocation and detect signs of buffer exhaustion on a BSD host, while entries in iSODETestTable/iSODETestEntry (iSODETestInteger, iSODETestString) are primarily used to validate the SNMP agent's own test/response behavior rather than represent live host telemetry. agentAction similarly reflects agent-internal control state rather than a monitorable hardware or application metric.

What Can Be Monitored

kernel network buffer (mbuf) usage
SNMP agent test/response behavior
ISODE context/party test configuration

Imported Objects

From CLNS-MIB

clnpRouteEntry

OBJECT-TYPE

From RFC1213-MIB

ipRouteEntry
tcpConnEntry
udpEntry

From SNMPv2-CONF

AGENT-CAPABILITIES

From SNMPv2-PARTY-MIB

contextEntry	OBJECT-TYPE
partyEntry	OBJECT-TYPE

From SNMPv2-SMI

Counter32
Gauge32
Integer32
IpAddress
MODULE-IDENTITY
OBJECT-TYPE
enterprises

From SNMPv2-TC

DisplayString

How to Use in IPNetwork Monitor

Example using mbufs OID:

Select a BSD Unix host (legacy ISODE SNMP agent) 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 mbufs into the Find box to locate it in the OID tree, then select it and click OK. The number of mbufs allocated from the page pool. 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
INT agentAction	1.3.6.1.4.1.4.1.3	INTEGER	read-write	A control variable used to trigger an action by the agent. When read, this variable always returns the value other(1). When set, this variable causes the agent to undertake the indicated action: coldStart - initiate a coldStart (restart the agent) dumpPartyDB - force dump of party database terminate - terminate the agent warmStart - send a warmStart trap to all managers debugOn - turns on debugging in the agent debugOff - turns off debugging in the agent
agents	1.3.6.1.4.1.4.1
fourBSDisode	1.3.6.1.4.1.4.1.2
fourBSDisodeAgent	1.3.6.1.4.1.4.1.2.9.6			4BSD/ISODE SNMPv2
fourBSDsendmail	1.3.6.1.4.1.4.3.2
fourBSDsendmailPeer	1.3.6.1.4.1.4.3.2.1			sendmail
fourBSDunixd	1.3.6.1.4.1.4.3.1
fourBSDunixdPeer	1.3.6.1.4.1.4.3.1.4			unixd
fourSVR4unixd	1.3.6.1.4.1.4.3.3
INT fsBlockCount	1.3.6.1.4.1.4.8.1.1.7	INTEGER	read-only	Total number on blocks in file system.
INT fsBlocksAvailable	1.3.6.1.4.1.4.8.1.1.9	INTEGER	read-only	Number of blocks available to non-privileged users.
INT fsBlocksFree	1.3.6.1.4.1.4.8.1.1.8	INTEGER	read-only	Total number of blocks free in file system.
INT fsBlockSize	1.3.6.1.4.1.4.8.1.1.6	INTEGER	read-only	Block size for this file system.
I32 fsIdentifier	1.3.6.1.4.1.4.8.1.1.1	Integer32	read-only	A system-dependent unique identifier.
INT fsInodeCount	1.3.6.1.4.1.4.8.1.1.10	INTEGER	read-only	Total number of i-nodes on this file system.
INT fsInodesAvailable	1.3.6.1.4.1.4.8.1.1.11	INTEGER	read-only	Number of i-nodes available on file system.
STR fsMountOptions	1.3.6.1.4.1.4.8.1.1.5	DisplayString	read-only	File system specific options.
STR fsMountPoint	1.3.6.1.4.1.4.8.1.1.3	DisplayString	read-only	Mount point for the file system.
STR fsMountType	1.3.6.1.4.1.4.8.1.1.4	DisplayString	read-only	The type of the mounted file system.
STR fsName	1.3.6.1.4.1.4.8.1.1.2	DisplayString	read-only	The name of the file system (device).
fsTable	1.3.6.1.4.1.4.8.1		not-accessible	The file system table
fsTableEntry	1.3.6.1.4.1.4.8.1.1		not-accessible	A row in the file system table
grNewUserEntry	1.3.6.1.4.1.4.7.5.1		not-accessible	An entry in the group/user table.
INT grNewUserStatus	1.3.6.1.4.1.4.7.5.1.1	INTEGER	read-write	The type of relationship between a user and a group. Setting this object to the value invalid(2) has the effect of invaliding the corresponding entry in the grUserTable. It is an implementation-specific matter as to whether the agent removes an invalidated entry from the table. Accordingly, management stations must be prepared to receive tabular information from agents that correspond to entries not currently in use. Proper interpretation of such entries requires examination of the relative grUserStatus object.
grNewUserTable	1.3.6.1.4.1.4.7.5		not-accessible	The group/user table.
groupEntry	1.3.6.1.4.1.4.7.2.1		not-accessible	An entry in the group table.
I32 groupID	1.3.6.1.4.1.4.7.2.1.3	Integer32	read-write	The group's ID in the system.
STR groupName	1.3.6.1.4.1.4.7.2.1.1	DisplayString	not-accessible	The name of this group.
STR groupPasswd	1.3.6.1.4.1.4.7.2.1.2	DisplayString	read-write	The encrypted password string for this group. This variable is usually unavailable for reading.
INT groupStatus	1.3.6.1.4.1.4.7.2.1.4	INTEGER	read-write	The type of group. Setting this object to the value invalid(2) has the effect of invaliding the corresponding entry in the groupTable. It is an implementation-specific matter as to whether the agent removes an invalidated entry from the table. Accordingly, management stations must be prepared to receive tabular information from agents that correspond to entries not currently in use. Proper interpretation of such entries requires examination of the relative groupStatus object.
groupTable	1.3.6.1.4.1.4.7.2		not-accessible	The group table.
grUserEntry	1.3.6.1.4.1.4.7.3.1		not-accessible	An entry in the group/user table.
INT grUserStatus	1.3.6.1.4.1.4.7.3.1.1	INTEGER	not-accessible	The type of relationship between a user and a group.
grUserTable	1.3.6.1.4.1.4.7.3		not-accessible	(former) group/user table.
INT grUserZero	1.3.6.1.4.1.4.7.4	INTEGER	not-accessible	(former) moby hack.
iSODEContextEntry	1.3.6.1.4.1.4.1.4.1		not-accessible	Extensions held about a particular SNMPv2 context.
STR iSODEContextName	1.3.6.1.4.1.4.1.4.1.1	DisplayString	read-create	A locally-assigned, textual name, for the context.
iSODEContextTable	1.3.6.1.4.1.4.1.4		not-accessible	Extensions to the ContextTable.
iSODEPartyTestEntry	1.3.6.1.4.1.4.1.5.1		not-accessible	Extensions held about a particular SNMPv2 Party.
INT iSODEPartyTestMode	1.3.6.1.4.1.4.1.5.1.1	INTEGER	read-create	The test-mode for a party.
iSODEPartyTestTable	1.3.6.1.4.1.4.1.5		not-accessible	Extensions to the PartyTable.
iSODETestEntry	1.3.6.1.4.1.4.1.6.1		not-accessible	Used for testing management stations.
OCT iSODETestIndex	1.3.6.1.4.1.4.1.6.1.1	OCTET STRING	read-only	Used for testing management stations.
INT iSODETestInteger	1.3.6.1.4.1.4.1.6.1.2	INTEGER	read-only	Used for testing management stations.
STR iSODETestString	1.3.6.1.4.1.4.1.6.1.3	DisplayString	read-only	Used for testing management stations.
iSODETestTable	1.3.6.1.4.1.4.1.6		not-accessible	Used for testing management stations.
mbuf	1.3.6.1.4.1.4.2
C32 mbufAllocates	1.3.6.1.4.1.4.2.8.1.2	Counter32	not-accessible	The number of mbufs of this type in use.
C32 mbufClusters	1.3.6.1.4.1.4.2.2	Counter32	not-accessible	The number of clusters allocated from the page pool.
C32 mbufDrains	1.3.6.1.4.1.4.2.6	Counter32	read-only	The number of times protocols were drained for space.
C32 mbufDrops	1.3.6.1.4.1.4.2.4	Counter32	read-only	The number of requests for mbufs which failed due to lack of space.
mbufEntry	1.3.6.1.4.1.4.2.8.1		not-accessible	An entry in the mbuf type table.
C32 mbufFreeClusters	1.3.6.1.4.1.4.2.3	Counter32	not-accessible	The number of clusters allocated but not in use.
C32 mbufFrees	1.3.6.1.4.1.4.2.7	Counter32	read-only	The number of mbufs allocated but not in use.
G32 mbufNewAllocates	1.3.6.1.4.1.4.2.8.1.3	Gauge32	read-only	The number of mbufs of this type in use.
G32 mbufNewClusters	1.3.6.1.4.1.4.2.10	Gauge32	read-only	The number of clusters allocated from the page pool.
G32 mbufNewFreeClusters	1.3.6.1.4.1.4.2.11	Gauge32	read-only	The number of clusters allocated but not in use.
G32 mbufNewSpaces	1.3.6.1.4.1.4.2.12	Gauge32	read-only	The number of interface pages obtained from the page pool.
C32 mbufsEx	1.3.6.1.4.1.4.2.1	Counter32	read-only	The number of mbufs allocated from the page pool.
C32 mbufSpaces	1.3.6.1.4.1.4.2.9	Counter32	not-accessible	The number of interface pages obtained from the page pool.
mbufTable	1.3.6.1.4.1.4.2.8		not-accessible	The mbuf type table.
INT mbufType	1.3.6.1.4.1.4.2.8.1.1	INTEGER	read-only	The type of mbuf in use.
C32 mbufWaits	1.3.6.1.4.1.4.2.5	Counter32	read-only	The number of requests for mbufs which resulted in a wait.
netstat	1.3.6.1.4.1.4.5
peers	1.3.6.1.4.1.4.3
print	1.3.6.1.4.1.4.6
INT printJAction	1.3.6.1.4.1.4.6.2.1.6	INTEGER	read-write	A control variable used to trigger an action on a job in a printer queue. When read, this variable always returns the most recent value that it was previously set to. If it has not been set since the last initialization of the network management subsystem on the node, it returns a value of `other'. When set, this variable causes the queue to undertake the indicated action: topq - place this job at the front of the queue, after any job which is currently printing remove - remove this job from the queue
STR printJDescription	1.3.6.1.4.1.4.6.2.1.4	DisplayString	read-only	A string describing the contents of this job.
printJEntry	1.3.6.1.4.1.4.6.2.1		not-accessible	An entry for a job in a printer queue.
STR printJName	1.3.6.1.4.1.4.6.2.1.2	DisplayString	read-only	The name of a job in the printer queue.
STR printJOwner	1.3.6.1.4.1.4.6.2.1.3	DisplayString	read-only	A string indicating the owner of this job.
INT printJRank	1.3.6.1.4.1.4.6.2.1.1	INTEGER	read-only	The rank of this job currently in the queue. A value of zero indicates that the job is currently printing, a value of one indicates that it is next to print, etc.
INT printJSize	1.3.6.1.4.1.4.6.2.1.5	INTEGER	read-only	The size of job in octets.
printJTable	1.3.6.1.4.1.4.6.2		not-accessible	The printer job table.
INT printQAction	1.3.6.1.4.1.4.6.1.1.5	INTEGER	read-write	A control variable used to trigger an action on a queue in the printer table. When read, this variable always returns the most recent value that it was previously set to. If it has not been set since the last initialization of the network management subsystem on the node, it returns a value of `other'. When set, this variable causes the queue to undertake the indicated action: abort - terminate the current job printing in the queue and disable printing other jobs clean - remove incomplete jobs from the queue enable - enable spooling on the queue disable - disable spooling on the queue restart - restart printing from the queue start - start printing from the queue stop - stop printing from the queue after the current job completes printing
STR printQDisplay	1.3.6.1.4.1.4.6.1.1.3	DisplayString	read-only	A string indicating the current status of the queue.
C32 printQEntries	1.3.6.1.4.1.4.6.1.1.6	Counter32	not-accessible	The number of jobs currently in the queue, including the current job printing (if any).
printQEntry	1.3.6.1.4.1.4.6.1.1		not-accessible	An entry for a queue in the printer table.
STR printQName	1.3.6.1.4.1.4.6.1.1.1	DisplayString	read-only	The name of a queue in the printer table.
G32 printQNewEntries	1.3.6.1.4.1.4.6.1.1.7	Gauge32	read-only	The number of jobs currently in the queue, including the current job printing (if any).
INT printQStatus	1.3.6.1.4.1.4.6.1.1.2	INTEGER	read-only	A value which indicates the current status of a queue in the printer table. The value is a sum. This sum initially takes the value zero. Then, for each flag, F, in the range 1 through N, that this queue has TRUE, 2 raised to (F - 1) is added to the sum. flag status ---- ------ 1 queuing is enabled 2 printing is enabled 3 daemon is present Other values of flag are reserved for future definition.
printQTable	1.3.6.1.4.1.4.6.1		not-accessible	The printer queue table.
unix	1.3.6.1.4.1.4			The MIB module for 4BSD/ISODE entities.
unixClnpRouteEntry	1.3.6.1.4.1.4.5.10.1		not-accessible	An entry in the additional CLNP routing table.
INT unixClnpRouteFlags	1.3.6.1.4.1.4.5.10.1.1	INTEGER	read-only	A value associated with the CLNP routing entry. The value is a sum. This sum initial takes the value zero. Then, for each flag, F, in the range 1 through N, that this CLNP routing entry has TRUE, 2 raised to (F - 1) is added to the sum. flag status ---- ------ 1 route useable 2 destination is a gateway 3 host entry 4 re-instate route after timeout 5 created dynamically (by redirect) Other values of flag are reserved for future definition.
INT unixClnpRouteRefCnt	1.3.6.1.4.1.4.5.10.1.2	INTEGER	read-only	The number of sockets using this IP routing entry.
C32 unixClnpRouteUses	1.3.6.1.4.1.4.5.10.1.3	Counter32	read-only	The number of times this IP routing entry has been used.
unixClnpRoutingTable	1.3.6.1.4.1.4.5.10		not-accessible	The additional CLNP routing table.
unixFs	1.3.6.1.4.1.4.8
unixIpRouteEntry	1.3.6.1.4.1.4.5.4.1		not-accessible	An entry in the additional IP routing table.
INT unixIpRouteFlags	1.3.6.1.4.1.4.5.4.1.1	INTEGER	read-only	A value associated with the IP routing entry. The value is a sum. This sum initial takes the value zero. Then, for each flag, F, in the range 1 through N, that this IP routing entry has TRUE, 2 raised to (F - 1) is added to the sum. flag status ---- ------ 1 route useable 2 destination is a gateway 3 host entry 4 re-instate route after timeout 5 created dynamically (by redirect) Other values of flag are reserved for future definition.
INT unixIpRouteRefCnt	1.3.6.1.4.1.4.5.4.1.2	INTEGER	read-only	The number of sockets using this IP routing entry.
C32 unixIpRouteUses	1.3.6.1.4.1.4.5.4.1.3	Counter32	read-only	The number of times this IP routing entry has been used.
unixIpRoutingTable	1.3.6.1.4.1.4.5.4		not-accessible	The additional IP routing table.
INT unixNetstat	1.3.6.1.4.1.4.5.1	INTEGER	read-only	Indicates whether the agent supports a UNIX-like network MIB.
C32 unixRouteBadRedirects	1.3.6.1.4.1.4.5.5	Counter32	read-only	The number of bogus routing redirects.
C32 unixRouteCreatedByRedirects	1.3.6.1.4.1.4.5.6	Counter32	read-only	The number of routing entries created by redirects.
C32 unixRouteLookupFails	1.3.6.1.4.1.4.5.8	Counter32	read-only	The number of times a routing entry couldn't be found for a destination.
C32 unixRouteModifiedByRedirects	1.3.6.1.4.1.4.5.7	Counter32	read-only	The number of routing entries modified by redirects.
C32 unixRouteWildcardUses	1.3.6.1.4.1.4.5.9	Counter32	read-only	The number of times the `wildcard' routing entry was used.
unixTcpConnEntry	1.3.6.1.4.1.4.5.2.1		not-accessible	An entry in the TCP socket table.
INT unixTcpConnRecvQ	1.3.6.1.4.1.4.5.2.1.2	INTEGER	read-only	The number of octets queued for reading from this TCP socket.
INT unixTcpConnSendQ	1.3.6.1.4.1.4.5.2.1.1	INTEGER	read-only	The number of octets queued for sending on this TCP socket.
unixTcpConnTable	1.3.6.1.4.1.4.5.2		not-accessible	The TCP socket table.
unixUdpEntry	1.3.6.1.4.1.4.5.3.1		not-accessible	An entry in the UDP socket table.
INT unixUdpRecvQ	1.3.6.1.4.1.4.5.3.1.4	INTEGER	read-only	The number of octets queued for reading from this UDP socket.
IP unixUdpRemAddress	1.3.6.1.4.1.4.5.3.1.1	IpAddress	read-only	The remote IP address bound to this UDP socket. If no binding has occurred, the value 0.0.0.0 is used.
INT unixUdpRemPort	1.3.6.1.4.1.4.5.3.1.2	INTEGER	read-only	The remote UDP port bound to this UDP socket. If no binding has occurred, the value 0 is used.
INT unixUdpSendQ	1.3.6.1.4.1.4.5.3.1.3	INTEGER	read-only	The number of octets queued for writing to this UDP socket.
unixUdpTable	1.3.6.1.4.1.4.5.3		not-accessible	The UDP socket table.
STR userComment	1.3.6.1.4.1.4.7.1.1.6	DisplayString	read-write	A string describing the user.
userEntry	1.3.6.1.4.1.4.7.1.1		not-accessible	An entry in the users table.
STR userFullName	1.3.6.1.4.1.4.7.1.1.7	DisplayString	read-write	A string giving the user's full name.
STR userGroup	1.3.6.1.4.1.4.7.1.1.4	DisplayString	read-write	The user's group ID in the system.
STR userHome	1.3.6.1.4.1.4.7.1.1.8	DisplayString	read-write	The user's home directory.
I32 userID	1.3.6.1.4.1.4.7.1.1.3	Integer32	read-write	The user's ID in the system.
STR userName	1.3.6.1.4.1.4.7.1.1.1	DisplayString	not-accessible	The name of this user.
STR userPasswd	1.3.6.1.4.1.4.7.1.1.2	DisplayString	read-write	The encrypted password string for this user. This variable is usually unavailable for reading.
I32 userQuota	1.3.6.1.4.1.4.7.1.1.5	Integer32	read-write	The user's quota.
users	1.3.6.1.4.1.4.7
STR userShell	1.3.6.1.4.1.4.7.1.1.9	DisplayString	read-write	The user's shell.
INT userStatus	1.3.6.1.4.1.4.7.1.1.10	INTEGER	read-write	The type of user. Setting this object to the value invalid(2) has the effect of invaliding the corresponding entry in the userTable. It is an implementation-specific matter as to whether the agent removes an invalidated entry from the table. Accordingly, management stations must be prepared to receive tabular information from agents that correspond to entries not currently in use. Proper interpretation of such entries requires examination of the relative userStatus object.
userTable	1.3.6.1.4.1.4.7.1		not-accessible	The users table.

RFC description

Manages network and system objects for BSD UNIX systems running SNMP agents.

Start monitoring BSD Unix hosts (legacy ISODE SNMP agent) 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 BSDUNIX-MIB