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IF-MIB DEFINITIONS ::= BEGIN IMPORTS MODULE-IDENTITY, OBJECT-TYPE, Counter32, Gauge32, Counter64, Integer32, TimeTicks, mib-2, NOTIFICATION-TYPE FROM SNMPv2-SMI TEXTUAL-CONVENTION, DisplayString, PhysAddress, TruthValue, RowStatus, TimeStamp, AutonomousType, TestAndIncr FROM SNMPv2-TC MODULE-COMPLIANCE, OBJECT-GROUP, NOTIFICATION-GROUP FROM SNMPv2-CONF snmpTraps FROM SNMPv2-MIB IANAifType FROM IANAifType-MIB; ifMIB MODULE-IDENTITY LAST-UPDATED "200006140000Z" ORGANIZATION "IETF Interfaces MIB Working Group" CONTACT-INFO " Keith McCloghrie Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 US 408-526-5260 kzm@cisco.com" DESCRIPTION "The MIB module to describe generic objects for network interface sub-layers. This MIB is an updated version of MIB-II's ifTable, and incorporates the extensions defined in RFC 1229." REVISION "200006140000Z" DESCRIPTION "Clarifications agreed upon by the Interfaces MIB WG, and published as RFC 2863." REVISION "199602282155Z" DESCRIPTION "Revisions made by the Interfaces MIB WG, and published in RFC 2233." REVISION "199311082155Z" DESCRIPTION "Initial revision, published as part of RFC 1573." ::= { mib-2 31 } ifMIBObjects OBJECT IDENTIFIER ::= { ifMIB 1 } interfaces OBJECT IDENTIFIER ::= { mib-2 2 } -- -- Textual Conventions -- -- OwnerString has the same semantics as used in RFC 1271 OwnerString ::= TEXTUAL-CONVENTION DISPLAY-HINT "255a" STATUS deprecated DESCRIPTION "This data type is used to model an administratively assigned name of the owner of a resource. This information is taken from the NVT ASCII character set. It is suggested that this name contain one or more of the following: ASCII form of the manager station's transport address, management station name (e.g., domain name), network management personnel's name, location, or phone number. In some cases the agent itself will be the owner of an entry. In these cases, this string shall be set to a string starting with 'agent'." SYNTAX OCTET STRING (SIZE(0..255)) -- InterfaceIndex contains the semantics of ifIndex and should be used -- for any objects defined in other MIB modules that need these semantics. InterfaceIndex ::= TEXTUAL-CONVENTION DISPLAY-HINT "d" STATUS current DESCRIPTION "A unique value, greater than zero, for each interface or interface sub-layer in the managed system. It is recommended that values are assigned contiguously starting from 1. The value for each interface sub-layer must remain constant at least from one re-initialization of the entity's network management system to the next re-initialization." SYNTAX Integer32 (1..2147483647) InterfaceIndexOrZero ::= TEXTUAL-CONVENTION DISPLAY-HINT "d" STATUS current DESCRIPTION "This textual convention is an extension of the InterfaceIndex convention. The latter defines a greater than zero value used to identify an interface or interface sub-layer in the managed system. This extension permits the additional value of zero. the value zero is object-specific and must therefore be defined as part of the description of any object which uses this syntax. Examples of the usage of zero might include situations where interface was unknown, or when none or all interfaces need to be referenced." SYNTAX Integer32 (0..2147483647) ifNumber OBJECT-TYPE SYNTAX Integer32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of network interfaces (regardless of their current state) present on this system." ::= { interfaces 1 } ifTableLastChange OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "The value of sysUpTime at the time of the last creation or deletion of an entry in the ifTable. If the number of entries has been unchanged since the last re-initialization of the local network management subsystem, then this object contains a zero value." ::= { ifMIBObjects 5 } -- the Interfaces table -- The Interfaces table contains information on the entity's -- interfaces. Each sub-layer below the internetwork-layer -- of a network interface is considered to be an interface. ifTable OBJECT-TYPE SYNTAX SEQUENCE OF IfEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A list of interface entries. The number of entries is given by the value of ifNumber." ::= { interfaces 2 } ifEntry OBJECT-TYPE SYNTAX IfEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry containing management information applicable to a particular interface." INDEX { ifIndex } ::= { ifTable 1 } IfEntry ::= SEQUENCE { ifIndex InterfaceIndex, ifDescr DisplayString, ifType IANAifType, ifMtu Integer32, ifSpeed Gauge32, ifPhysAddress PhysAddress, ifAdminStatus INTEGER, ifOperStatus INTEGER, ifLastChange TimeTicks, ifInOctets Counter32, ifInUcastPkts Counter32, ifInNUcastPkts Counter32, -- deprecated ifInDiscards Counter32, ifInErrors Counter32, ifInUnknownProtos Counter32, ifOutOctets Counter32, ifOutUcastPkts Counter32, ifOutNUcastPkts Counter32, -- deprecated ifOutDiscards Counter32, ifOutErrors Counter32, ifOutQLen Gauge32, -- deprecated ifSpecific OBJECT IDENTIFIER -- deprecated } ifIndex OBJECT-TYPE SYNTAX InterfaceIndex MAX-ACCESS read-only STATUS current DESCRIPTION "A unique value, greater than zero, for each interface. It is recommended that values are assigned contiguously starting from 1. The value for each interface sub-layer must remain constant at least from one re-initialization of the entity's network management system to the next re- initialization." ::= { ifEntry 1 } ifDescr OBJECT-TYPE SYNTAX DisplayString (SIZE (0..255)) MAX-ACCESS read-only STATUS current DESCRIPTION "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 interface hardware/software." ::= { ifEntry 2 } ifType OBJECT-TYPE SYNTAX IANAifType MAX-ACCESS read-only STATUS current DESCRIPTION "The type of interface. Additional values for ifType are assigned by the Internet Assigned Numbers Authority (IANA), through updating the syntax of the IANAifType textual convention." ::= { ifEntry 3 } ifMtu OBJECT-TYPE SYNTAX Integer32 MAX-ACCESS read-only STATUS current DESCRIPTION "The size of the largest packet 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." ::= { ifEntry 4 } ifSpeed OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "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. If the bandwidth of the interface is greater than the maximum value reportable by this object then this object should report its maximum value (4,294,967,295) and ifHighSpeed must be used to report the interace's speed. For a sub-layer which has no concept of bandwidth, this object should be zero." ::= { ifEntry 5 } ifPhysAddress OBJECT-TYPE SYNTAX PhysAddress MAX-ACCESS read-only STATUS current DESCRIPTION "The interface's address at its protocol sub-layer. For example, for an 802.x interface, this object normally contains a MAC address. The interface's media-specific MIB must define the bit and byte ordering and the format of the value of this object. For interfaces which do not have such an address (e.g., a serial line), this object should contain an octet string of zero length." ::= { ifEntry 6 } ifAdminStatus OBJECT-TYPE SYNTAX INTEGER { up(1), -- ready to pass packets down(2), testing(3) -- in some test mode } MAX-ACCESS read-write STATUS current DESCRIPTION "The desired state of the interface. The testing(3) state indicates that no operational packets can be passed. When a managed system initializes, all interfaces start with ifAdminStatus in the down(2) state. As a result of either explicit management action or per configuration information retained by the managed system, ifAdminStatus is then changed to either the up(1) or testing(3) states (or remains in the down(2) state)." ::= { ifEntry 7 } ifOperStatus OBJECT-TYPE SYNTAX INTEGER { up(1), -- ready to pass packets down(2), testing(3), -- in some test mode unknown(4), -- status can not be determined -- for some reason. dormant(5), notPresent(6), -- some component is missing lowerLayerDown(7) -- down due to state of -- lower-layer interface(s) } MAX-ACCESS read-only STATUS current DESCRIPTION "The current operational state of the interface. The testing(3) state indicates that no operational packets can be passed. If ifAdminStatus is down(2) then ifOperStatus should be down(2). If ifAdminStatus is changed to up(1) then ifOperStatus should change to up(1) if the interface is ready to transmit and receive network traffic; it should change to dormant(5) if the interface is waiting for external actions (such as a serial line waiting for an incoming connection); it should remain in the down(2) state if and only if there is a fault that prevents it from going to the up(1) state; it should remain in the notPresent(6) state if the interface has missing (typically, hardware) components." ::= { ifEntry 8 } ifLastChange OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "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." ::= { ifEntry 9 } ifInOctets OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The total number of octets received on the interface, including framing characters. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { ifEntry 10 } ifInUcastPkts OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of packets, delivered by this sub-layer to a higher (sub-)layer, which were not addressed to a multicast or broadcast address at this sub-layer. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { ifEntry 11 } ifInNUcastPkts OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS deprecated DESCRIPTION "The number of packets, delivered by this sub-layer to a higher (sub-)layer, which were addressed to a multicast or broadcast address at this sub-layer. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime. This object is deprecated in favour of ifInMulticastPkts and ifInBroadcastPkts." ::= { ifEntry 12 } ifInDiscards OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "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. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { ifEntry 13 } ifInErrors OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "For packet-oriented interfaces, the number of inbound packets that contained errors preventing them from being deliverable to a higher-layer protocol. For character- oriented or fixed-length interfaces, the number of inbound transmission units that contained errors preventing them from being deliverable to a higher-layer protocol. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { ifEntry 14 } ifInUnknownProtos OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "For packet-oriented interfaces, the number of packets received via the interface which were discarded because of an unknown or unsupported protocol. For character-oriented or fixed-length interfaces that support protocol multiplexing the number of transmission units received via the interface which were discarded because of an unknown or unsupported protocol. For any interface that does not support protocol multiplexing, this counter will always be 0. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { ifEntry 15 } ifOutOctets OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The total number of octets transmitted out of the interface, including framing characters. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { ifEntry 16 } ifOutUcastPkts OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The total number of packets that higher-level protocols requested be transmitted, and which were not addressed to a multicast or broadcast address at this sub-layer, including those that were discarded or not sent. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { ifEntry 17 } ifOutNUcastPkts OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS deprecated DESCRIPTION "The total number of packets that higher-level protocols requested be transmitted, and which were addressed to a multicast or broadcast address at this sub-layer, including those that were discarded or not sent. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime. This object is deprecated in favour of ifOutMulticastPkts and ifOutBroadcastPkts." ::= { ifEntry 18 } ifOutDiscards OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "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. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { ifEntry 19 } ifOutErrors OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "For packet-oriented interfaces, the number of outbound packets that could not be transmitted because of errors. For character-oriented or fixed-length interfaces, the number of outbound transmission units that could not be transmitted because of errors. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { ifEntry 20 } ifOutQLen OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS deprecated DESCRIPTION "The length of the output packet queue (in packets)." ::= { ifEntry 21 } ifSpecific OBJECT-TYPE SYNTAX OBJECT IDENTIFIER MAX-ACCESS read-only STATUS deprecated DESCRIPTION "A reference to MIB definitions specific to the particular media being used to realize the interface. It is recommended that this value point to an instance of a MIB object in the media-specific MIB, i.e., that this object have the semantics associated with the InstancePointer textual convention defined in RFC 2579. In fact, it is recommended that the media-specific MIB specify what value ifSpecific should/can take for values of ifType. If no MIB definitions specific to the particular media are available, the value should be set to the OBJECT IDENTIFIER { 0 0 }." ::= { ifEntry 22 } -- -- Extension to the interface table -- -- This table replaces the ifExtnsTable table. -- ifXTable OBJECT-TYPE SYNTAX SEQUENCE OF IfXEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A list of interface entries. The number of entries is given by the value of ifNumber. This table contains additional objects for the interface table." ::= { ifMIBObjects 1 } ifXEntry OBJECT-TYPE SYNTAX IfXEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An entry containing additional management information applicable to a particular interface." AUGMENTS { ifEntry } ::= { ifXTable 1 } IfXEntry ::= SEQUENCE { ifName DisplayString, ifInMulticastPkts Counter32, ifInBroadcastPkts Counter32, ifOutMulticastPkts Counter32, ifOutBroadcastPkts Counter32, ifHCInOctets Counter64, ifHCInUcastPkts Counter64, ifHCInMulticastPkts Counter64, ifHCInBroadcastPkts Counter64, ifHCOutOctets Counter64, ifHCOutUcastPkts Counter64, ifHCOutMulticastPkts Counter64, ifHCOutBroadcastPkts Counter64, ifLinkUpDownTrapEnable INTEGER, ifHighSpeed Gauge32, ifPromiscuousMode TruthValue, ifConnectorPresent TruthValue, ifAlias DisplayString, ifCounterDiscontinuityTime TimeStamp } ifName OBJECT-TYPE SYNTAX DisplayString MAX-ACCESS read-only STATUS current DESCRIPTION "The textual name of the interface. The value of this object should be the name of the interface as assigned by the local device and should be suitable for use in commands entered at the device's `console'. This might be a text name, such as `le0' or a simple port number, such as `1', depending on the interface naming syntax of the device. If several entries in the ifTable together represent a single interface as named by the device, then each will have the same value of ifName. Note that for an agent which responds to SNMP queries concerning an interface on some other (proxied) device, then the value of ifName for such an interface is the proxied device's local name for it. If there is no local name, or this object is otherwise not applicable, then this object contains a zero-length string." ::= { ifXEntry 1 } ifInMulticastPkts OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of packets, delivered by this sub-layer to a higher (sub-)layer, which were addressed to a multicast address at this sub-layer. For a MAC layer protocol, this includes both Group and Functional addresses. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { ifXEntry 2 } ifInBroadcastPkts OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of packets, delivered by this sub-layer to a higher (sub-)layer, which were addressed to a broadcast address at this sub-layer. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { ifXEntry 3 } ifOutMulticastPkts OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The total number of packets that higher-level protocols requested be transmitted, and which were addressed to a multicast address at this sub-layer, including those that were discarded or not sent. For a MAC layer protocol, this includes both Group and Functional addresses. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { ifXEntry 4 } ifOutBroadcastPkts OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "The total number of packets that higher-level protocols requested be transmitted, and which were addressed to a broadcast address at this sub-layer, including those that were discarded or not sent. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { ifXEntry 5 } -- -- High Capacity Counter objects. These objects are all -- 64 bit versions of the "basic" ifTable counters. These -- objects all have the same basic semantics as their 32-bit -- counterparts, however, their syntax has been extended -- to 64 bits. -- ifHCInOctets OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The total number of octets received on the interface, including framing characters. This object is a 64-bit version of ifInOctets. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { ifXEntry 6 } ifHCInUcastPkts OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of packets, delivered by this sub-layer to a higher (sub-)layer, which were not addressed to a multicast or broadcast address at this sub-layer. This object is a 64-bit version of ifInUcastPkts. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { ifXEntry 7 } ifHCInMulticastPkts OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of packets, delivered by this sub-layer to a higher (sub-)layer, which were addressed to a multicast address at this sub-layer. For a MAC layer protocol, this includes both Group and Functional addresses. This object is a 64-bit version of ifInMulticastPkts. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { ifXEntry 8 } ifHCInBroadcastPkts OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The number of packets, delivered by this sub-layer to a higher (sub-)layer, which were addressed to a broadcast address at this sub-layer. This object is a 64-bit version of ifInBroadcastPkts. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { ifXEntry 9 } ifHCOutOctets OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The total number of octets transmitted out of the interface, including framing characters. This object is a 64-bit version of ifOutOctets. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { ifXEntry 10 } ifHCOutUcastPkts OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The total number of packets that higher-level protocols requested be transmitted, and which were not addressed to a multicast or broadcast address at this sub-layer, including those that were discarded or not sent. This object is a 64-bit version of ifOutUcastPkts. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { ifXEntry 11 } ifHCOutMulticastPkts OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The total number of packets that higher-level protocols requested be transmitted, and which were addressed to a multicast address at this sub-layer, including those that were discarded or not sent. For a MAC layer protocol, this includes both Group and Functional addresses. This object is a 64-bit version of ifOutMulticastPkts. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { ifXEntry 12 } ifHCOutBroadcastPkts OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "The total number of packets that higher-level protocols requested be transmitted, and which were addressed to a broadcast address at this sub-layer, including those that were discarded or not sent. This object is a 64-bit version of ifOutBroadcastPkts. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime." ::= { ifXEntry 13 } ifLinkUpDownTrapEnable OBJECT-TYPE SYNTAX INTEGER { enabled(1), disabled(2) } MAX-ACCESS read-write STATUS current DESCRIPTION "Indicates whether linkUp/linkDown traps should be generated for this interface. By default, this object should have the value enabled(1) for interfaces which do not operate on 'top' of any other interface (as defined in the ifStackTable), and disabled(2) otherwise." ::= { ifXEntry 14 } ifHighSpeed OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "An estimate of the interface's current bandwidth in units of 1,000,000 bits per second. If this object reports a value of `n' then the speed of the interface is somewhere in the range of `n-500,000' to `n+499,999'. 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. For a sub-layer which has no concept of bandwidth, this object should be zero." ::= { ifXEntry 15 } ifPromiscuousMode OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-write STATUS current DESCRIPTION "This object has a value of false(2) if this interface only accepts packets/frames that are addressed to this station. This object has a value of true(1) when the station accepts all packets/frames transmitted on the media. The value true(1) is only legal on certain types of media. If legal, setting this object to a value of true(1) may require the interface to be reset before becoming effective. The value of ifPromiscuousMode does not affect the reception of broadcast and multicast packets/frames by the interface." ::= { ifXEntry 16 } ifConnectorPresent OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-only STATUS current DESCRIPTION "This object has the value 'true(1)' if the interface sublayer has a physical connector and the value 'false(2)' otherwise." ::= { ifXEntry 17 } ifAlias OBJECT-TYPE SYNTAX DisplayString (SIZE(0..64)) MAX-ACCESS read-write STATUS current DESCRIPTION "This object is an 'alias' name for the interface as specified by a network manager, and provides a non-volatile 'handle' for the interface. On the first instantiation of an interface, the value of ifAlias associated with that interface is the zero-length string. As and when a value is written into an instance of ifAlias through a network management set operation, then the agent must retain the supplied value in the ifAlias instance associated with the same interface for as long as that interface remains instantiated, including across all re- initializations/reboots of the network management system, including those which result in a change of the interface's ifIndex value. An example of the value which a network manager might store in this object for a WAN interface is the (Telco's) circuit number/identifier of the interface. Some agents may support write-access only for interfaces having particular values of ifType. An agent which supports write access to this object is required to keep the value in non-volatile storage, but it may limit the length of new values depending on how much storage is already occupied by the current values for other interfaces." ::= { ifXEntry 18 } ifCounterDiscontinuityTime OBJECT-TYPE SYNTAX TimeStamp MAX-ACCESS read-only STATUS current DESCRIPTION "The value of sysUpTime on the most recent occasion at which any one or more of this interface's counters suffered a discontinuity. The relevant counters are the specific instances associated with this interface of any Counter32 or Counter64 object contained in the ifTable or ifXTable. If no such discontinuities have occurred since the last re- initialization of the local management subsystem, then this object contains a zero value." ::= { ifXEntry 19 } -- The Interface Stack Group -- -- Implementation of this group is optional, but strongly recommended -- for all systems -- ifStackTable OBJECT-TYPE SYNTAX SEQUENCE OF IfStackEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The table containing information on the relationships between the multiple sub-layers of network interfaces. In particular, it contains information on which sub-layers run 'on top of' which other sub-layers, where each sub-layer corresponds to a conceptual row in the ifTable. For example, when the sub-layer with ifIndex value x runs over the sub-layer with ifIndex value y, then this table contains: ifStackStatus.x.y=active For each ifIndex value, I, which identifies an active interface, there are always at least two instantiated rows in this table associated with I. For one of these rows, I is the value of ifStackHigherLayer; for the other, I is the value of ifStackLowerLayer. (If I is not involved in multiplexing, then these are the only two rows associated with I.) For example, two rows exist even for an interface which has no others stacked on top or below it: ifStackStatus.0.x=active ifStackStatus.x.0=active " ::= { ifMIBObjects 2 } ifStackEntry OBJECT-TYPE SYNTAX IfStackEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "Information on a particular relationship between two sub- layers, specifying that one sub-layer runs on 'top' of the other sub-layer. Each sub-layer corresponds to a conceptual row in the ifTable." INDEX { ifStackHigherLayer, ifStackLowerLayer } ::= { ifStackTable 1 } IfStackEntry ::= SEQUENCE { ifStackHigherLayer InterfaceIndexOrZero, ifStackLowerLayer InterfaceIndexOrZero, ifStackStatus RowStatus } ifStackHigherLayer OBJECT-TYPE SYNTAX InterfaceIndexOrZero MAX-ACCESS not-accessible STATUS current DESCRIPTION "The value of ifIndex corresponding to the higher sub-layer of the relationship, i.e., the sub-layer which runs on 'top' of the sub-layer identified by the corresponding instance of ifStackLowerLayer. If there is no higher sub-layer (below the internetwork layer), then this object has the value 0." ::= { ifStackEntry 1 } ifStackLowerLayer OBJECT-TYPE SYNTAX InterfaceIndexOrZero MAX-ACCESS not-accessible STATUS current DESCRIPTION "The value of ifIndex corresponding to the lower sub-layer of the relationship, i.e., the sub-layer which runs 'below' the sub-layer identified by the corresponding instance of ifStackHigherLayer. If there is no lower sub-layer, then this object has the value 0." ::= { ifStackEntry 2 } ifStackStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "The status of the relationship between two sub-layers. Changing the value of this object from 'active' to 'notInService' or 'destroy' will likely have consequences up and down the interface stack. Thus, write access to this object is likely to be inappropriate for some types of interfaces, and many implementations will choose not to support write-access for any type of interface." ::= { ifStackEntry 3 } ifStackLastChange OBJECT-TYPE SYNTAX TimeTicks MAX-ACCESS read-only STATUS current DESCRIPTION "The value of sysUpTime at the time of the last change of the (whole) interface stack. A change of the interface stack is defined to be any creation, deletion, or change in value of any instance of ifStackStatus. If the interface stack has been unchanged since the last re-initialization of the local network management subsystem, then this object contains a zero value." ::= { ifMIBObjects 6 } -- Generic Receive Address Table -- -- This group of objects is mandatory for all types of -- interfaces which can receive packets/frames addressed to -- more than one address. -- -- This table replaces the ifExtnsRcvAddr table. The main -- difference is that this table makes use of the RowStatus -- textual convention, while ifExtnsRcvAddr did not. ifRcvAddressTable OBJECT-TYPE SYNTAX SEQUENCE OF IfRcvAddressEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "This table contains an entry for each address (broadcast, multicast, or uni-cast) for which the system will receive packets/frames on a particular interface, except as follows: - for an interface operating in promiscuous mode, entries are only required for those addresses for which the system would receive frames were it not operating in promiscuous mode. - for 802.5 functional addresses, only one entry is required, for the address which has the functional address bit ANDed with the bit mask of all functional addresses for which the interface will accept frames. A system is normally able to use any unicast address which corresponds to an entry in this table as a source address." ::= { ifMIBObjects 4 } ifRcvAddressEntry OBJECT-TYPE SYNTAX IfRcvAddressEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "A list of objects identifying an address for which the system will accept packets/frames on the particular interface identified by the index value ifIndex." INDEX { ifIndex, ifRcvAddressAddress } ::= { ifRcvAddressTable 1 } IfRcvAddressEntry ::= SEQUENCE { ifRcvAddressAddress PhysAddress, ifRcvAddressStatus RowStatus, ifRcvAddressType INTEGER } ifRcvAddressAddress OBJECT-TYPE SYNTAX PhysAddress MAX-ACCESS not-accessible STATUS current DESCRIPTION "An address for which the system will accept packets/frames on this entry's interface." ::= { ifRcvAddressEntry 1 } ifRcvAddressStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "This object is used to create and delete rows in the ifRcvAddressTable." ::= { ifRcvAddressEntry 2 } ifRcvAddressType OBJECT-TYPE SYNTAX INTEGER { other(1), volatile(2), nonVolatile(3) } MAX-ACCESS read-create STATUS current DESCRIPTION "This object has the value nonVolatile(3) for those entries in the table which are valid and will not be deleted by the next restart of the managed system. Entries having the value volatile(2) are valid and exist, but have not been saved, so that will not exist after the next restart of the managed system. Entries having the value other(1) are valid and exist but are not classified as to whether they will continue to exist after the next restart." DEFVAL { volatile } ::= { ifRcvAddressEntry 3 } -- definition of interface-related traps. linkDown NOTIFICATION-TYPE OBJECTS { ifIndex, ifAdminStatus, ifOperStatus } STATUS current DESCRIPTION "A linkDown trap signifies that the SNMP entity, acting in an agent role, has detected that the ifOperStatus object for one of its communication links is about to enter the down state from some other state (but not from the notPresent state). This other state is indicated by the included value of ifOperStatus." ::= { snmpTraps 3 } linkUp NOTIFICATION-TYPE OBJECTS { ifIndex, ifAdminStatus, ifOperStatus } STATUS current DESCRIPTION "A linkUp trap signifies that the SNMP entity, acting in an agent role, has detected that the ifOperStatus object for one of its communication links left the down state and transitioned into some other state (but not into the notPresent state). This other state is indicated by the included value of ifOperStatus." ::= { snmpTraps 4 } -- conformance information ifConformance OBJECT IDENTIFIER ::= { ifMIB 2 } ifGroups OBJECT IDENTIFIER ::= { ifConformance 1 } ifCompliances OBJECT IDENTIFIER ::= { ifConformance 2 } -- compliance statements ifCompliance3 MODULE-COMPLIANCE STATUS current DESCRIPTION "The compliance statement for SNMP entities which have network interfaces." MODULE -- this module MANDATORY-GROUPS { ifGeneralInformationGroup, linkUpDownNotificationsGroup } -- The groups: -- ifFixedLengthGroup -- ifHCFixedLengthGroup -- ifPacketGroup -- ifHCPacketGroup -- ifVHCPacketGroup -- are mutually exclusive; at most one of these groups is implemented -- for a particular interface. When any of these groups is implemented -- for a particular interface, then ifCounterDiscontinuityGroup must -- also be implemented for that interface. GROUP ifFixedLengthGroup DESCRIPTION "This group is mandatory for those network interfaces which are character-oriented or transmit data in fixed-length transmission units, and for which the value of the corresponding instance of ifSpeed is less than or equal to 20,000,000 bits/second." GROUP ifHCFixedLengthGroup DESCRIPTION "This group is mandatory for those network interfaces which are character-oriented or transmit data in fixed-length transmission units, and for which the value of the corresponding instance of ifSpeed is greater than 20,000,000 bits/second." GROUP ifPacketGroup DESCRIPTION "This group is mandatory for those network interfaces which are packet-oriented, and for which the value of the corresponding instance of ifSpeed is less than or equal to 20,000,000 bits/second." GROUP ifHCPacketGroup DESCRIPTION "This group is mandatory only for those network interfaces which are packet-oriented and for which the value of the corresponding instance of ifSpeed is greater than 20,000,000 bits/second but less than or equal to 650,000,000 bits/second." GROUP ifVHCPacketGroup DESCRIPTION "This group is mandatory only for those network interfaces which are packet-oriented and for which the value of the corresponding instance of ifSpeed is greater than 650,000,000 bits/second." GROUP ifCounterDiscontinuityGroup DESCRIPTION "This group is mandatory for those network interfaces that are required to maintain counters (i.e., those for which one of the ifFixedLengthGroup, ifHCFixedLengthGroup, ifPacketGroup, ifHCPacketGroup, or ifVHCPacketGroup is mandatory)." GROUP ifRcvAddressGroup DESCRIPTION "The applicability of this group MUST be defined by the media-specific MIBs. Media-specific MIBs must define the exact meaning, use, and semantics of the addresses in this group." OBJECT ifLinkUpDownTrapEnable MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT ifPromiscuousMode MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT ifAdminStatus SYNTAX INTEGER { up(1), down(2) } MIN-ACCESS read-only DESCRIPTION "Write access is not required, nor is support for the value testing(3)." OBJECT ifAlias MIN-ACCESS read-only DESCRIPTION "Write access is not required." ::= { ifCompliances 3 } -- units of conformance ifGeneralInformationGroup OBJECT-GROUP OBJECTS { ifIndex, ifDescr, ifType, ifSpeed, ifPhysAddress, ifAdminStatus, ifOperStatus, ifLastChange, ifLinkUpDownTrapEnable, ifConnectorPresent, ifHighSpeed, ifName, ifNumber, ifAlias, ifTableLastChange } STATUS current DESCRIPTION "A collection of objects providing information applicable to all network interfaces." ::= { ifGroups 10 } -- the following five groups are mutually exclusive; at most -- one of these groups is implemented for any interface ifFixedLengthGroup OBJECT-GROUP OBJECTS { ifInOctets, ifOutOctets, ifInUnknownProtos, ifInErrors, ifOutErrors } STATUS current DESCRIPTION "A collection of objects providing information specific to non-high speed (non-high speed interfaces transmit and receive at speeds less than or equal to 20,000,000 bits/second) character-oriented or fixed-length-transmission network interfaces." ::= { ifGroups 2 } ifHCFixedLengthGroup OBJECT-GROUP OBJECTS { ifHCInOctets, ifHCOutOctets, ifInOctets, ifOutOctets, ifInUnknownProtos, ifInErrors, ifOutErrors } STATUS current DESCRIPTION "A collection of objects providing information specific to high speed (greater than 20,000,000 bits/second) character- oriented or fixed-length-transmission network interfaces." ::= { ifGroups 3 } ifPacketGroup OBJECT-GROUP OBJECTS { ifInOctets, ifOutOctets, ifInUnknownProtos, ifInErrors, ifOutErrors, ifMtu, ifInUcastPkts, ifInMulticastPkts, ifInBroadcastPkts, ifInDiscards, ifOutUcastPkts, ifOutMulticastPkts, ifOutBroadcastPkts, ifOutDiscards, ifPromiscuousMode } STATUS current DESCRIPTION "A collection of objects providing information specific to non-high speed (non-high speed interfaces transmit and receive at speeds less than or equal to 20,000,000 bits/second) packet-oriented network interfaces." ::= { ifGroups 4 } ifHCPacketGroup OBJECT-GROUP OBJECTS { ifHCInOctets, ifHCOutOctets, ifInOctets, ifOutOctets, ifInUnknownProtos, ifInErrors, ifOutErrors, ifMtu, ifInUcastPkts, ifInMulticastPkts, ifInBroadcastPkts, ifInDiscards, ifOutUcastPkts, ifOutMulticastPkts, ifOutBroadcastPkts, ifOutDiscards, ifPromiscuousMode } STATUS current DESCRIPTION "A collection of objects providing information specific to high speed (greater than 20,000,000 bits/second but less than or equal to 650,000,000 bits/second) packet-oriented network interfaces." ::= { ifGroups 5 } ifVHCPacketGroup OBJECT-GROUP OBJECTS { ifHCInUcastPkts, ifHCInMulticastPkts, ifHCInBroadcastPkts, ifHCOutUcastPkts, ifHCOutMulticastPkts, ifHCOutBroadcastPkts, ifHCInOctets, ifHCOutOctets, ifInOctets, ifOutOctets, ifInUnknownProtos, ifInErrors, ifOutErrors, ifMtu, ifInUcastPkts, ifInMulticastPkts, ifInBroadcastPkts, ifInDiscards, ifOutUcastPkts, ifOutMulticastPkts, ifOutBroadcastPkts, ifOutDiscards, ifPromiscuousMode } STATUS current DESCRIPTION "A collection of objects providing information specific to higher speed (greater than 650,000,000 bits/second) packet- oriented network interfaces." ::= { ifGroups 6 } ifRcvAddressGroup OBJECT-GROUP OBJECTS { ifRcvAddressStatus, ifRcvAddressType } STATUS current DESCRIPTION "A collection of objects providing information on the multiple addresses which an interface receives." ::= { ifGroups 7 } ifStackGroup2 OBJECT-GROUP OBJECTS { ifStackStatus, ifStackLastChange } STATUS current DESCRIPTION "A collection of objects providing information on the layering of MIB-II interfaces." ::= { ifGroups 11 } ifCounterDiscontinuityGroup OBJECT-GROUP OBJECTS { ifCounterDiscontinuityTime } STATUS current DESCRIPTION "A collection of objects providing information specific to interface counter discontinuities." ::= { ifGroups 13 } linkUpDownNotificationsGroup NOTIFICATION-GROUP NOTIFICATIONS { linkUp, linkDown } STATUS current DESCRIPTION "The notifications which indicate specific changes in the value of ifOperStatus." ::= { ifGroups 14 } -- Deprecated Definitions - Objects -- -- The Interface Test Table -- -- This group of objects is optional. However, a media-specific -- MIB may make implementation of this group mandatory. -- -- This table replaces the ifExtnsTestTable -- ifTestTable OBJECT-TYPE SYNTAX SEQUENCE OF IfTestEntry MAX-ACCESS not-accessible STATUS deprecated DESCRIPTION "This table contains one entry per interface. It defines objects which allow a network manager to instruct an agent to test an interface for various faults. Tests for an interface are defined in the media-specific MIB for that interface. After invoking a test, the object ifTestResult can be read to determine the outcome. If an agent can not perform the test, ifTestResult is set to so indicate. The object ifTestCode can be used to provide further test- specific or interface-specific (or even enterprise-specific) information concerning the outcome of the test. Only one test can be in progress on each interface at any one time. If one test is in progress when another test is invoked, the second test is rejected. Some agents may reject a test when a prior test is active on another interface. Before starting a test, a manager-station must first obtain 'ownership' of the entry in the ifTestTable for the interface to be tested. This is accomplished with the ifTestId and ifTestStatus objects as follows: try_again: get (ifTestId, ifTestStatus) while (ifTestStatus != notInUse) /* * Loop while a test is running or some other * manager is configuring a test. / short delay get (ifTestId, ifTestStatus) } / * Is not being used right now -- let's compete * to see who gets it. / lock_value = ifTestId if ( set(ifTestId = lock_value, ifTestStatus = inUse, ifTestOwner = 'my-IP-address') == FAILURE) / * Another manager got the ifTestEntry -- go * try again / goto try_again; / * I have the lock / set up any test parameters. / * This starts the test */ set(ifTestType = test_to_run); wait for test completion by polling ifTestResult when test completes, agent sets ifTestResult agent also sets ifTestStatus = 'notInUse' retrieve any additional test results, and ifTestId if (ifTestId == lock_value+1) results are valid A manager station first retrieves the value of the appropriate ifTestId and ifTestStatus objects, periodically repeating the retrieval if necessary, until the value of ifTestStatus is 'notInUse'. The manager station then tries to set the same ifTestId object to the value it just retrieved, the same ifTestStatus object to 'inUse', and the corresponding ifTestOwner object to a value indicating itself. If the set operation succeeds then the manager has obtained ownership of the ifTestEntry, and the value of the ifTestId object is incremented by the agent (per the semantics of TestAndIncr). Failure of the set operation indicates that some other manager has obtained ownership of the ifTestEntry. Once ownership is obtained, any test parameters can be setup, and then the test is initiated by setting ifTestType. On completion of the test, the agent sets ifTestStatus to 'notInUse'. Once this occurs, the manager can retrieve the results. In the (rare) event that the invocation of tests by two network managers were to overlap, then there would be a possibility that the first test's results might be overwritten by the second test's results prior to the first results being read. This unlikely circumstance can be detected by a network manager retrieving ifTestId at the same time as retrieving the test results, and ensuring that the results are for the desired request. If ifTestType is not set within an abnormally long period of time after ownership is obtained, the agent should time-out the manager, and reset the value of the ifTestStatus object back to 'notInUse'. It is suggested that this time-out period be 5 minutes. In general, a management station must not retransmit a request to invoke a test for which it does not receive a response; instead, it properly inspects an agent's MIB to determine if the invocation was successful. Only if the invocation was unsuccessful, is the invocation request retransmitted. Some tests may require the interface to be taken off-line in order to execute them, or may even require the agent to reboot after completion of the test. In these circumstances, communication with the management station invoking the test may be lost until after completion of the test. An agent is not required to support such tests. However, if such tests are supported, then the agent should make every effort to transmit a response to the request which invoked the test prior to losing communication. When the agent is restored to normal service, the results of the test are properly made available in the appropriate objects. Note that this requires that the ifIndex value assigned to an interface must be unchanged even if the test causes a reboot. An agent must reject any test for which it cannot, perhaps due to resource constraints, make available at least the minimum amount of information after that test completes." ::= { ifMIBObjects 3 } ifTestEntry OBJECT-TYPE SYNTAX IfTestEntry MAX-ACCESS not-accessible STATUS deprecated DESCRIPTION "An entry containing objects for invoking tests on an interface." AUGMENTS { ifEntry } ::= { ifTestTable 1 } IfTestEntry ::= SEQUENCE { ifTestId TestAndIncr, ifTestStatus INTEGER, ifTestType AutonomousType, ifTestResult INTEGER, ifTestCode OBJECT IDENTIFIER, ifTestOwner OwnerString } ifTestId OBJECT-TYPE SYNTAX TestAndIncr MAX-ACCESS read-write STATUS deprecated DESCRIPTION "This object identifies the current invocation of the interface's test." ::= { ifTestEntry 1 } ifTestStatus OBJECT-TYPE SYNTAX INTEGER { notInUse(1), inUse(2) } MAX-ACCESS read-write STATUS deprecated DESCRIPTION "This object indicates whether or not some manager currently has the necessary 'ownership' required to invoke a test on this interface. A write to this object is only successful when it changes its value from 'notInUse(1)' to 'inUse(2)'. After completion of a test, the agent resets the value back to 'notInUse(1)'." ::= { ifTestEntry 2 } ifTestType OBJECT-TYPE SYNTAX AutonomousType MAX-ACCESS read-write STATUS deprecated DESCRIPTION "A control variable used to start and stop operator- initiated interface tests. Most OBJECT IDENTIFIER values assigned to tests are defined elsewhere, in association with specific types of interface. However, this document assigns a value for a full-duplex loopback test, and defines the special meanings of the subject identifier: noTest OBJECT IDENTIFIER ::= { 0 0 } When the value noTest is written to this object, no action is taken unless a test is in progress, in which case the test is aborted. Writing any other value to this object is only valid when no test is currently in progress, in which case the indicated test is initiated. When read, this object always returns the most recent value that ifTestType was set to. If it has not been set since the last initialization of the network management subsystem on the agent, a value of noTest is returned." ::= { ifTestEntry 3 } ifTestResult OBJECT-TYPE SYNTAX INTEGER { none(1), -- no test yet requested success(2), inProgress(3), notSupported(4), unAbleToRun(5), -- due to state of system aborted(6), failed(7) } MAX-ACCESS read-only STATUS deprecated DESCRIPTION "This object contains the result of the most recently requested test, or the value none(1) if no tests have been requested since the last reset. Note that this facility provides no provision for saving the results of one test when starting another, as could be required if used by multiple managers concurrently." ::= { ifTestEntry 4 } ifTestCode OBJECT-TYPE SYNTAX OBJECT IDENTIFIER MAX-ACCESS read-only STATUS deprecated DESCRIPTION "This object contains a code which contains more specific information on the test result, for example an error-code after a failed test. Error codes and other values this object may take are specific to the type of interface and/or test. The value may have the semantics of either the AutonomousType or InstancePointer textual conventions as defined in RFC 2579. The identifier: testCodeUnknown OBJECT IDENTIFIER ::= { 0 0 } is defined for use if no additional result code is available." ::= { ifTestEntry 5 } ifTestOwner OBJECT-TYPE SYNTAX OwnerString MAX-ACCESS read-write STATUS deprecated DESCRIPTION "The entity which currently has the 'ownership' required to invoke a test on this interface." ::= { ifTestEntry 6 } -- Deprecated Definitions - Groups ifGeneralGroup OBJECT-GROUP OBJECTS { ifDescr, ifType, ifSpeed, ifPhysAddress, ifAdminStatus, ifOperStatus, ifLastChange, ifLinkUpDownTrapEnable, ifConnectorPresent, ifHighSpeed, ifName } STATUS deprecated DESCRIPTION "A collection of objects deprecated in favour of ifGeneralInformationGroup." ::= { ifGroups 1 } ifTestGroup OBJECT-GROUP OBJECTS { ifTestId, ifTestStatus, ifTestType, ifTestResult, ifTestCode, ifTestOwner } STATUS deprecated DESCRIPTION "A collection of objects providing the ability to invoke tests on an interface." ::= { ifGroups 8 } ifStackGroup OBJECT-GROUP OBJECTS { ifStackStatus } STATUS deprecated DESCRIPTION "The previous collection of objects providing information on the layering of MIB-II interfaces." ::= { ifGroups 9 } ifOldObjectsGroup OBJECT-GROUP OBJECTS { ifInNUcastPkts, ifOutNUcastPkts, ifOutQLen, ifSpecific } STATUS deprecated DESCRIPTION "The collection of objects deprecated from the original MIB- II interfaces group." ::= { ifGroups 12 } -- Deprecated Definitions - Compliance ifCompliance MODULE-COMPLIANCE STATUS deprecated DESCRIPTION "A compliance statement defined in a previous version of this MIB module, for SNMP entities which have network interfaces." MODULE -- this module MANDATORY-GROUPS { ifGeneralGroup, ifStackGroup } GROUP ifFixedLengthGroup DESCRIPTION "This group is mandatory for all network interfaces which are character-oriented or transmit data in fixed-length transmission units." GROUP ifHCFixedLengthGroup DESCRIPTION "This group is mandatory only for those network interfaces which are character-oriented or transmit data in fixed- length transmission units, and for which the value of the corresponding instance of ifSpeed is greater than 20,000,000 bits/second." GROUP ifPacketGroup DESCRIPTION "This group is mandatory for all network interfaces which are packet-oriented." GROUP ifHCPacketGroup DESCRIPTION "This group is mandatory only for those network interfaces which are packet-oriented and for which the value of the corresponding instance of ifSpeed is greater than 650,000,000 bits/second." GROUP ifTestGroup DESCRIPTION "This group is optional. Media-specific MIBs which require interface tests are strongly encouraged to use this group for invoking tests and reporting results. A medium specific MIB which has mandatory tests may make implementation of this group mandatory." GROUP ifRcvAddressGroup DESCRIPTION "The applicability of this group MUST be defined by the media-specific MIBs. Media-specific MIBs must define the exact meaning, use, and semantics of the addresses in this group." OBJECT ifLinkUpDownTrapEnable MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT ifPromiscuousMode MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT ifStackStatus SYNTAX INTEGER { active(1) } -- subset of RowStatus MIN-ACCESS read-only DESCRIPTION "Write access is not required, and only one of the six enumerated values for the RowStatus textual convention need be supported, specifically: active(1)." OBJECT ifAdminStatus SYNTAX INTEGER { up(1), down(2) } MIN-ACCESS read-only DESCRIPTION "Write access is not required, nor is support for the value testing(3)." ::= { ifCompliances 1 } ifCompliance2 MODULE-COMPLIANCE STATUS deprecated DESCRIPTION "A compliance statement defined in a previous version of this MIB module, for SNMP entities which have network interfaces." MODULE -- this module MANDATORY-GROUPS { ifGeneralInformationGroup, ifStackGroup2, ifCounterDiscontinuityGroup } GROUP ifFixedLengthGroup DESCRIPTION "This group is mandatory for all network interfaces which are character-oriented or transmit data in fixed-length transmission units." GROUP ifHCFixedLengthGroup DESCRIPTION "This group is mandatory only for those network interfaces which are character-oriented or transmit data in fixed- length transmission units, and for which the value of the corresponding instance of ifSpeed is greater than 20,000,000 bits/second." GROUP ifPacketGroup DESCRIPTION "This group is mandatory for all network interfaces which are packet-oriented." GROUP ifHCPacketGroup DESCRIPTION "This group is mandatory only for those network interfaces which are packet-oriented and for which the value of the corresponding instance of ifSpeed is greater than 650,000,000 bits/second." GROUP ifRcvAddressGroup DESCRIPTION "The applicability of this group MUST be defined by the media-specific MIBs. Media-specific MIBs must define the exact meaning, use, and semantics of the addresses in this group." OBJECT ifLinkUpDownTrapEnable MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT ifPromiscuousMode MIN-ACCESS read-only DESCRIPTION "Write access is not required." OBJECT ifStackStatus SYNTAX INTEGER { active(1) } -- subset of RowStatus MIN-ACCESS read-only DESCRIPTION "Write access is not required, and only one of the six enumerated values for the RowStatus textual convention need be supported, specifically: active(1)." OBJECT ifAdminStatus SYNTAX INTEGER { up(1), down(2) } MIN-ACCESS read-only DESCRIPTION "Write access is not required, nor is support for the value testing(3)." OBJECT ifAlias MIN-ACCESS read-only DESCRIPTION "Write access is not required." ::= { ifCompliances 2 } END

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