RFC1213-MIB Download

sysObjectID

The vendor's authoritative identification of the network management subsystem contained in the entity. This value is allocated within the SMI enterprises subtree (1.3.6.1.4.1) and provides an easy and unambiguous means for determining `what kind of box' ...

sysUpTime

The time (in hundredths of a second) since the network management portion of the system was last re-initialized.

sysContact

The textual identification of the contact person for this managed node, together with information on how to contact this person.

sysName

An administratively-assigned name for this managed node. By convention, this is the node's fully-qualified domain name.

sysLocation

The physical location of this node (e.g., `telephone closet, 3rd floor').

sysServices

A value which indicates the set of services that this entity primarily offers. The value is a sum. This sum initially takes the value zero, Then, for each layer, L, in the range 1 through 7, that this node performs transactions for, 2 raised to (L - 1) i ...

ifNumber

The number of network interfaces (regardless of their current state) present on this system.

ifTable

A list of interface entries. The number of entries is given by the value of ifNumber.

ifEntry

An interface entry containing objects at the subnetwork layer and below for a particular interface.

ifIndex

A unique value for each interface. Its value ranges between 1 and the value of ifNumber. The value for each interface must remain constant at least from one re-initialization of the entity's network management system to the next re- initialization.

ifDescr

A textual string containing information about the interface. This string should include the name of the manufacturer, the product name and the version of the hardware interface.

ifType

The type of interface, distinguished according to the physical/link protocol(s) immediately `below' the network layer in the protocol stack.

ifMtu

The size of the largest datagram which can be sent/received on the interface, specified in octets. For interfaces that are used for transmitting network datagrams, this is the size of the largest network datagram that can be sent on the interface.

ifSpeed

An estimate of the interface's current bandwidth in bits per second. For interfaces which do not vary in bandwidth or for those where no accurate estimation can be made, this object should contain the nominal bandwidth.

ifPhysAddress

The interface's address at the protocol layer immediately `below' the network layer in the protocol stack. For interfaces which do not have such an address (e.g., a serial line), this object should contain an octet string of zero length.

ifAdminStatus

The desired state of the interface. The testing(3) state indicates that no operational packets can be passed.

ifOperStatus

The current operational state of the interface. The testing(3) state indicates that no operational packets can be passed.

ifLastChange

The value of sysUpTime at the time the interface entered its current operational state. If the current state was entered prior to the last re- initialization of the local network management subsystem, then this object contains a zero value.

ifInOctets

The total number of octets received on the interface, including framing characters.

ifInUcastPkts

The number of subnetwork-unicast packets delivered to a higher-layer protocol.

ifInNUcastPkts

The number of non-unicast (i.e., subnetwork- broadcast or subnetwork-multicast) packets delivered to a higher-layer protocol.

ifInDiscards

The number of inbound packets which were chosen to be discarded even though no errors had been detected to prevent their being deliverable to a higher-layer protocol. One possible reason for discarding such a packet could be to free up buffer space.

ifInErrors

The number of inbound packets that contained errors preventing them from being deliverable to a higher-layer protocol.

ifInUnknownProtos

The number of packets received via the interface which were discarded because of an unknown or unsupported protocol.

ifOutOctets

The total number of octets transmitted out of the interface, including framing characters.

ifOutUcastPkts

The total number of packets that higher-level protocols requested be transmitted to a subnetwork-unicast address, including those that were discarded or not sent.

ifOutNUcastPkts

The total number of packets that higher-level protocols requested be transmitted to a non- unicast (i.e., a subnetwork-broadcast or subnetwork-multicast) address, including those that were discarded or not sent.

ifOutDiscards

The number of outbound packets which were chosen to be discarded even though no errors had been detected to prevent their being transmitted. One possible reason for discarding such a packet could be to free up buffer space.

ifOutErrors

The number of outbound packets that could not be transmitted because of errors.

ifOutQLen

The length of the output packet queue (in packets).

ifSpecific

A reference to MIB definitions specific to the particular media being used to realize the interface. For example, if the interface is realized by an ethernet, then the value of this object refers to a document defining objects specific to ethernet. If t ...

atTable

The Address Translation tables contain the NetworkAddress to `physical' address equivalences. Some interfaces do not use translation tables for determining address equivalences (e.g., DDN-X.25 has an algorithmic method); if all interfaces are of this type ...

atEntry

Each entry contains one NetworkAddress to `physical' address equivalence.

atIfIndex

The interface on which this entry's equivalence is effective. The interface identified by a particular value of this index is the same interface as identified by the same value of ifIndex.

atPhysAddress

The media-dependent `physical' address. Setting this object to a null string (one of zero length) has the effect of invaliding the corresponding entry in the atTable object. That is, it effectively dissasociates the interface identified with said entry f ...

atNetAddress

The NetworkAddress (e.g., the IP address) corresponding to the media-dependent `physical' address.

ipForwarding

The indication of whether this entity is acting as an IP gateway in respect to the forwarding of datagrams received by, but not addressed to, this entity. IP gateways forward datagrams. IP hosts do not (except those source-routed via the host). Note tha ...

ipDefaultTTL

The default value inserted into the Time-To-Live field of the IP header of datagrams originated at this entity, whenever a TTL value is not supplied by the transport layer protocol.

ipInReceives

The total number of input datagrams received from interfaces, including those received in error.

ipInHdrErrors

The number of input datagrams discarded due to errors in their IP headers, including bad checksums, version number mismatch, other format errors, time-to-live exceeded, errors discovered in processing their IP options, etc.

ipInAddrErrors

The number of input datagrams discarded because the IP address in their IP header's destination field was not a valid address to be received at this entity. This count includes invalid addresses (e.g., 0.0.0.0) and addresses of unsupported Classes (e.g., ...

ipForwDatagrams

The number of input datagrams for which this entity was not their final IP destination, as a result of which an attempt was made to find a route to forward them to that final destination. In entities which do not act as IP Gateways, this counter will incl ...

ipInUnknownProtos

The number of locally-addressed datagrams received successfully but discarded because of an unknown or unsupported protocol.

ipInDiscards

The number of input IP datagrams for which no problems were encountered to prevent their continued processing, but which were discarded (e.g., for lack of buffer space). Note that this counter does not include any datagrams discarded while awaiting re-as ...

ipInDelivers

The total number of input datagrams successfully delivered to IP user-protocols (including ICMP).

ipOutRequests

The total number of IP datagrams which local IP user-protocols (including ICMP) supplied to IP in requests for transmission. Note that this counter does not include any datagrams counted in ipForwDatagrams.

ipOutDiscards

The number of output IP datagrams for which no problem was encountered to prevent their transmission to their destination, but which were discarded (e.g., for lack of buffer space). Note that this counter would include datagrams counted in ipForwDatagram ...

ipOutNoRoutes

The number of IP datagrams discarded because no route could be found to transmit them to their destination. Note that this counter includes any packets counted in ipForwDatagrams which meet this `no-route' criterion. Note that this includes any datagarm ...

ipReasmTimeout

The maximum number of seconds which received fragments are held while they are awaiting reassembly at this entity.

ipReasmReqds

The number of IP fragments received which needed to be reassembled at this entity.

ipReasmOKs

The number of IP datagrams successfully re- assembled.

ipReasmFails

The number of failures detected by the IP re- assembly algorithm (for whatever reason: timed out, errors, etc). Note that this is not necessarily a count of discarded IP fragments since some algorithms (notably the algorithm in RFC 815) can lose track of ...

ipFragOKs

The number of IP datagrams that have been successfully fragmented at this entity.

ipFragFails

The number of IP datagrams that have been discarded because they needed to be fragmented at this entity but could not be, e.g., because their Don't Fragment flag was set.

ipFragCreates

The number of IP datagram fragments that have been generated as a result of fragmentation at this entity.

ipAddrTable

The table of addressing information relevant to this entity's IP addresses.

ipAddrEntry

The addressing information for one of this entity's IP addresses.

ipAdEntAddr

The IP address to which this entry's addressing information pertains.

ipAdEntIfIndex

The index value which uniquely identifies the interface to which this entry is applicable. The interface identified by a particular value of this index is the same interface as identified by the same value of ifIndex.

ipAdEntNetMask

The subnet mask associated with the IP address of this entry. The value of the mask is an IP address with all the network bits set to 1 and all the hosts bits set to 0.

ipAdEntBcastAddr

The value of the least-significant bit in the IP broadcast address used for sending datagrams on the (logical) interface associated with the IP address of this entry. For example, when the Internet standard all-ones broadcast address is used, the value w ...

ipAdEntReasmMaxSize

The size of the largest IP datagram which this entity can re-assemble from incoming IP fragmented datagrams received on this interface.

ipRouteTable

This entity's IP Routing table.

ipRouteEntry

A route to a particular destination.

ipRouteDest

The destination IP address of this route. An entry with a value of 0.0.0.0 is considered a default route. Multiple routes to a single destination can appear in the table, but access to such multiple entries is dependent on the table- access mechanisms d ...

ipRouteIfIndex

The index value which uniquely identifies the local interface through which the next hop of this route should be reached. The interface identified by a particular value of this index is the same interface as identified by the same value of ifIndex.

ipRouteMetric1

The primary routing metric for this route. The semantics of this metric are determined by the routing-protocol specified in the route's ipRouteProto value. If this metric is not used, its value should be set to -1.

ipRouteMetric2

An alternate routing metric for this route. The semantics of this metric are determined by the routing-protocol specified in the route's ipRouteProto value. If this metric is not used, its value should be set to -1.

ipRouteMetric3

An alternate routing metric for this route. The semantics of this metric are determined by the routing-protocol specified in the route's ipRouteProto value. If this metric is not used, its value should be set to -1.

ipRouteMetric4

An alternate routing metric for this route. The semantics of this metric are determined by the routing-protocol specified in the route's ipRouteProto value. If this metric is not used, its value should be set to -1.

ipRouteNextHop

The IP address of the next hop of this route. (In the case of a route bound to an interface which is realized via a broadcast media, the value of this field is the agent's IP address on that interface.)

ipRouteType

The type of route. Note that the values direct(3) and indirect(4) refer to the notion of direct and indirect routing in the IP architecture. Setting this object to the value invalid(2) has the effect of invalidating the corresponding entry in the ipRoute ...

ipRouteProto

The routing mechanism via which this route was learned. Inclusion of values for gateway routing protocols is not intended to imply that hosts should support those protocols.

ipRouteAge

The number of seconds since this route was last updated or otherwise determined to be correct. Note that no semantics of `too old' can be implied except through knowledge of the routing protocol by which the route was learned.

ipRouteMask

Indicate the mask to be logical-ANDed with the destination address before being compared to the value in the ipRouteDest field. For those systems that do not support arbitrary subnet masks, an agent constructs the value of the ipRouteMask by determining ...

ipRouteMetric5

An alternate routing metric for this route. The semantics of this metric are determined by the routing-protocol specified in the route's ipRouteProto value. If this metric is not used, its value should be set to -1.

ipRouteInfo

A reference to MIB definitions specific to the particular routing protocol which is responsible for this route, as determined by the value specified in the route's ipRouteProto value. If this information is not present, its value should be set to the OBJ ...

ipNetToMediaTable

The IP Address Translation table used for mapping from IP addresses to physical addresses.

ipNetToMediaEntry

Each entry contains one IpAddress to `physical' address equivalence.

ipNetToMediaIfIndex

The interface on which this entry's equivalence is effective. The interface identified by a particular value of this index is the same interface as identified by the same value of ifIndex.

ipNetToMediaPhysAddress

The media-dependent `physical' address.

ipNetToMediaNetAddress

The IpAddress corresponding to the media- dependent `physical' address.

ipNetToMediaType

The type of mapping. Setting this object to the value invalid(2) has the effect of invalidating the corresponding entry in the ipNetToMediaTable. That is, it effectively dissasociates the interface identified with said entry from the mapping identified w ...

ipRoutingDiscards

The number of routing entries which were chosen to be discarded even though they are valid. One possible reason for discarding such an entry could be to free-up buffer space for other routing entries.

icmpInMsgs

The total number of ICMP messages which the entity received. Note that this counter includes all those counted by icmpInErrors.

icmpInErrors

The number of ICMP messages which the entity received but determined as having ICMP-specific errors (bad ICMP checksums, bad length, etc.).

icmpInDestUnreachs

The number of ICMP Destination Unreachable messages received.

icmpInTimeExcds

The number of ICMP Time Exceeded messages received.

icmpInParmProbs

The number of ICMP Parameter Problem messages received.

icmpInSrcQuenchs

The number of ICMP Source Quench messages received.

icmpInRedirects

The number of ICMP Redirect messages received.

icmpInEchos

The number of ICMP Echo (request) messages received.

icmpInEchoReps

The number of ICMP Echo Reply messages received.

icmpInTimestamps

The number of ICMP Timestamp (request) messages received.

icmpInTimestampReps

The number of ICMP Timestamp Reply messages received.

icmpInAddrMasks

The number of ICMP Address Mask Request messages received.

icmpInAddrMaskReps

The number of ICMP Address Mask Reply messages received.

icmpOutMsgs

The total number of ICMP messages which this entity attempted to send. Note that this counter includes all those counted by icmpOutErrors.

icmpOutErrors

The number of ICMP messages which this entity did not send due to problems discovered within ICMP such as a lack of buffers. This value should not include errors discovered outside the ICMP layer such as the inability of IP to route the resultant datagra ...

icmpOutDestUnreachs

The number of ICMP Destination Unreachable messages sent.

icmpOutTimeExcds

The number of ICMP Time Exceeded messages sent.

icmpOutParmProbs

The number of ICMP Parameter Problem messages sent.

icmpOutSrcQuenchs

The number of ICMP Source Quench messages sent.

icmpOutRedirects

The number of ICMP Redirect messages sent. For a host, this object will always be zero, since hosts do not send redirects.

icmpOutEchos

The number of ICMP Echo (request) messages sent.

icmpOutEchoReps

The number of ICMP Echo Reply messages sent.

icmpOutTimestamps

The number of ICMP Timestamp (request) messages sent.

icmpOutTimestampReps

The number of ICMP Timestamp Reply messages sent.

icmpOutAddrMasks

The number of ICMP Address Mask Request messages sent.

icmpOutAddrMaskReps

The number of ICMP Address Mask Reply messages sent.

tcpRtoAlgorithm

The algorithm used to determine the timeout value used for retransmitting unacknowledged octets.

tcpRtoMin

The minimum value permitted by a TCP implementation for the retransmission timeout, measured in milliseconds. More refined semantics for objects of this type depend upon the algorithm used to determine the retransmission timeout. In particular, when the ...

tcpRtoMax

The maximum value permitted by a TCP implementation for the retransmission timeout, measured in milliseconds. More refined semantics for objects of this type depend upon the algorithm used to determine the retransmission timeout. In particular, when the ...

tcpMaxConn

The limit on the total number of TCP connections the entity can support. In entities where the maximum number of connections is dynamic, this object should contain the value -1.

tcpActiveOpens

The number of times TCP connections have made a direct transition to the SYN-SENT state from the CLOSED state.

tcpPassiveOpens

The number of times TCP connections have made a direct transition to the SYN-RCVD state from the LISTEN state.

tcpAttemptFails

The number of times TCP connections have made a direct transition to the CLOSED state from either the SYN-SENT state or the SYN-RCVD state, plus the number of times TCP connections have made a direct transition to the LISTEN state from the SYN-RCVD state.

tcpEstabResets

The number of times TCP connections have made a direct transition to the CLOSED state from either the ESTABLISHED state or the CLOSE-WAIT state.

tcpCurrEstab

The number of TCP connections for which the current state is either ESTABLISHED or CLOSE- WAIT.

tcpInSegs

The total number of segments received, including those received in error. This count includes segments received on currently established connections.

tcpOutSegs

The total number of segments sent, including those on current connections but excluding those containing only retransmitted octets.

tcpRetransSegs

The total number of segments retransmitted - that is, the number of TCP segments transmitted containing one or more previously transmitted octets.

tcpConnTable

A table containing TCP connection-specific information.

tcpConnEntry

Information about a particular current TCP connection. An object of this type is transient, in that it ceases to exist when (or soon after) the connection makes the transition to the CLOSED state.

tcpConnState

The state of this TCP connection. The only value which may be set by a management station is deleteTCB(12). Accordingly, it is appropriate for an agent to return a `badValue' response if a management station attempts to set this object to any other value ...

tcpConnLocalAddress

The local IP address for this TCP connection. In the case of a connection in the listen state which is willing to accept connections for any IP interface associated with the node, the value 0.0.0.0 is used.

tcpConnLocalPort

The local port number for this TCP connection.

tcpConnRemAddress

The remote IP address for this TCP connection.

tcpConnRemPort

The remote port number for this TCP connection.

tcpInErrs

The total number of segments received in error (e.g., bad TCP checksums).

tcpOutRsts

The number of TCP segments sent containing the RST flag.

udpInDatagrams

The total number of UDP datagrams delivered to UDP users.

udpNoPorts

The total number of received UDP datagrams for which there was no application at the destination port.

udpInErrors

The number of received UDP datagrams that could not be delivered for reasons other than the lack of an application at the destination port.

udpOutDatagrams

The total number of UDP datagrams sent from this entity.

udpTable

A table containing UDP listener information.

udpEntry

Information about a particular current UDP listener.

udpLocalAddress

The local IP address for this UDP listener. In the case of a UDP listener which is willing to accept datagrams for any IP interface associated with the node, the value 0.0.0.0 is used.

udpLocalPort

The local port number for this UDP listener.

egpInMsgs

The number of EGP messages received without error.

egpInErrors

The number of EGP messages received that proved to be in error.

egpOutMsgs

The total number of locally generated EGP messages.

egpOutErrors

The number of locally generated EGP messages not sent due to resource limitations within an EGP entity.

egpNeighTable

The EGP neighbor table.

egpNeighEntry

Information about this entity's relationship with a particular EGP neighbor.

egpNeighState

The EGP state of the local system with respect to this entry's EGP neighbor. Each EGP state is represented by a value that is one greater than the numerical value associated with said state in RFC 904.

egpNeighAddr

The IP address of this entry's EGP neighbor.

egpNeighAs

The autonomous system of this EGP peer. Zero should be specified if the autonomous system number of the neighbor is not yet known.

egpNeighInMsgs

The number of EGP messages received without error from this EGP peer.

egpNeighInErrs

The number of EGP messages received from this EGP peer that proved to be in error (e.g., bad EGP checksum).

egpNeighOutMsgs

The number of locally generated EGP messages to this EGP peer.

egpNeighOutErrs

The number of locally generated EGP messages not sent to this EGP peer due to resource limitations within an EGP entity.

egpNeighInErrMsgs

The number of EGP-defined error messages received from this EGP peer.

egpNeighOutErrMsgs

The number of EGP-defined error messages sent to this EGP peer.

egpNeighStateUps

The number of EGP state transitions to the UP state with this EGP peer.

egpNeighStateDowns

The number of EGP state transitions from the UP state to any other state with this EGP peer.

egpNeighIntervalHello

The interval between EGP Hello command retransmissions (in hundredths of a second). This represents the t1 timer as defined in RFC 904.

egpNeighIntervalPoll

The interval between EGP poll command retransmissions (in hundredths of a second). This represents the t3 timer as defined in RFC 904.

egpNeighMode

The polling mode of this EGP entity, either passive or active.

egpNeighEventTrigger

A control variable used to trigger operator- initiated Start and Stop events. When read, this variable always returns the most recent value that egpNeighEventTrigger was set to. If it has not been set since the last initialization of the network managem ...

egpAs

The autonomous system number of this EGP entity.

snmpInPkts

The total number of Messages delivered to the SNMP entity from the transport service.

snmpOutPkts

The total number of SNMP Messages which were passed from the SNMP protocol entity to the transport service.

snmpInBadVersions

The total number of SNMP Messages which were delivered to the SNMP protocol entity and were for an unsupported SNMP version.

snmpInBadCommunityNames

The total number of SNMP Messages delivered to the SNMP protocol entity which used a SNMP community name not known to said entity.

snmpInBadCommunityUses

The total number of SNMP Messages delivered to the SNMP protocol entity which represented an SNMP operation which was not allowed by the SNMP community named in the Message.

snmpInASNParseErrs

The total number of ASN.1 or BER errors encountered by the SNMP protocol entity when decoding received SNMP Messages.

snmpInTooBigs

The total number of SNMP PDUs which were delivered to the SNMP protocol entity and for which the value of the error-status field is `tooBig'.

snmpInNoSuchNames

The total number of SNMP PDUs which were delivered to the SNMP protocol entity and for which the value of the error-status field is `noSuchName'.

snmpInBadValues

The total number of SNMP PDUs which were delivered to the SNMP protocol entity and for which the value of the error-status field is `badValue'.

snmpInReadOnlys

The total number valid SNMP PDUs which were delivered to the SNMP protocol entity and for which the value of the error-status field is `readOnly'. It should be noted that it is a protocol error to generate an SNMP PDU which contains the value `readOnly' ...

snmpInGenErrs

The total number of SNMP PDUs which were delivered to the SNMP protocol entity and for which the value of the error-status field is `genErr'.

snmpInTotalReqVars

The total number of MIB objects which have been retrieved successfully by the SNMP protocol entity as the result of receiving valid SNMP Get-Request and Get-Next PDUs.

snmpInTotalSetVars

The total number of MIB objects which have been altered successfully by the SNMP protocol entity as the result of receiving valid SNMP Set-Request PDUs.

snmpInGetRequests

The total number of SNMP Get-Request PDUs which have been accepted and processed by the SNMP protocol entity.

snmpInGetNexts

The total number of SNMP Get-Next PDUs which have been accepted and processed by the SNMP protocol entity.

snmpInSetRequests

The total number of SNMP Set-Request PDUs which have been accepted and processed by the SNMP protocol entity.

snmpInGetResponses

The total number of SNMP Get-Response PDUs which have been accepted and processed by the SNMP protocol entity.

snmpInTraps

The total number of SNMP Trap PDUs which have been accepted and processed by the SNMP protocol entity.

snmpOutTooBigs

The total number of SNMP PDUs which were generated by the SNMP protocol entity and for which the value of the error-status field is `tooBig.'

snmpOutNoSuchNames

The total number of SNMP PDUs which were generated by the SNMP protocol entity and for which the value of the error-status is `noSuchName'.

snmpOutBadValues

The total number of SNMP PDUs which were generated by the SNMP protocol entity and for which the value of the error-status field is `badValue'.

snmpOutGenErrs

The total number of SNMP PDUs which were generated by the SNMP protocol entity and for which the value of the error-status field is `genErr'.

snmpOutGetRequests

The total number of SNMP Get-Request PDUs which have been generated by the SNMP protocol entity.

snmpOutGetNexts

The total number of SNMP Get-Next PDUs which have been generated by the SNMP protocol entity.

snmpOutSetRequests

The total number of SNMP Set-Request PDUs which have been generated by the SNMP protocol entity.

snmpOutGetResponses

The total number of SNMP Get-Response PDUs which have been generated by the SNMP protocol entity.

snmpOutTraps

The total number of SNMP Trap PDUs which have been generated by the SNMP protocol entity.

snmpEnableAuthenTraps

Indicates whether the SNMP agent process is permitted to generate authentication-failure traps. The value of this object overrides any configuration information; as such, it provides a means whereby all authentication-failure traps may be disabled. Note ...

extended

A textual description of the entity. This value should include the full name and version identification of the system's hardware type, software operating-system, and networking software. It is mandatory that this only contain printable ASCII characters.