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MIB Reference

TE30, TE40, TE50, TE60, TX50, RP100, and RP200 V600R019C00

MIB
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ifTable

ifTable

The table contains a list of interface entries. The number of entries is determined by the value of ifNumber. Each entry contains management information applicable to a particular interface.

The index of this table is ifIndex.

The OID prefix of this table is 1.3.6.1.2.1.2.2.1.

Table 4-1 ifTable

Node

Data Type

Maximum Access Rights

Description

Implementation Specification

ifIndex[1]

Integer32

read-only

Interface index. The value is greater than zero and is unique for each interface. It is recommended that values are assigned continuously starting from 1.

The value for each interface sub-layer must remain the same from one re-initialization of the node's network management system to the next re-initialization.

Implement according to definitions in the MIB file.

ifDescr[2]

OCTET

STRING

read-only

Character string that describes the interface. This string includes the manufacturer name, the product name, and the version of the interface hardware and software.

The string contains a maximum of 255 characters.

Implement according to definitions in the MIB file.

ifType[3]

Integer32

read-only

Interface type. Additional values for ifType are assigned by the Internet Assigned Numbers Authority (IANA) through updating the syntax of the IANAifType textual convention.

Implement according to definitions in the MIB file.

ifMtu[4]

Integer32

read-only

Maximum transmission unit (MTU). The size of the largest packet that can be sent/received on the interface, represented in octet. 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.

Implement according to definitions in the MIB file.

ifSpeed[5]

Gauge32

read-only

An estimate of the interface's current bandwidth, represented in bit/s. For interfaces that do not vary in bandwidth or for those where no accurate estimation can be made, this node is the nominal bandwidth. If the bandwidth of the interface is greater than the value of this node, then the node reports its maximum value (4,294,967,295) and ifHighSpeed must be used to report the interface's speed. For a sub-layer that has no concept of speed, the value of this node is zero.

Implement according to definitions in the MIB file.

ifPhysAddress[6]

OCTET

STRING

read-only

Interface's address at its protocol sub-layer. For example, for an 802.x interface, this node is generally a MAC address. The interface's media-specific MIB must define the bit and byte order and the format of the value of this node.

For interfaces that do not have such an address (for example, a serial port), the value of this node is an empty octet string.

Implement according to definitions in the MIB file.

ifAdminStatus[7]

Integer32

read-only

Desired state of the interface. The values are as follows:

  • up(1): indicates that the physical layer of the interface is enabled.
  • down(2): indicates the interface is faulty at the physical layer.
  • testing(3): indicates that the current interface cannot forward any running state packet.

When a managed system initializes, all interfaces start with ifAdminStatus in the down(2) state. As a result of operations or configuration, ifAdminStatus then enters the up(1) or testing(3) states (or remains in the down(2) state).

The access to this object is read-only on Huawei products.

ifOperStatus[8]

Integer32

read-only

Current status of the port. The values are as follows:

  • up(1)
  • down(2)
  • esting(3)
  • unknown(4)
  • dormant(5)
  • notPresent(6)
  • lowerLayerDown(7)
NOTE:

testing(3): indicates that the current interface cannot forward any running state packet. If ifAdminStatus is down(2) then ifOperStatus is also down(2). If ifAdminStatus changes to up(1), and the interface is ready to transmit and receive network traffic, ifOperStatus changes to up(1). If the interface is waiting for external operations, ifOperStatus changes to dormant(5). The ifOperStatus node remains in the down(2) state if there is a fault that prevents ifOperStatus from entering the up(1) state. The ifOperStatus node remains in the notPresent(6) state if the interface misses components.

Implement according to definitions in the MIB file.

ifLastChange[9]

TimeTicks

read-only

Value of sysUpTime at the time the interface enters its current running state. If the interface enters the current state before the last re-initialization of the local network management subsystem, this node remains 0.

Implement according to definitions in the MIB file.

ifInOctets[10]

Counter32

read-only

Total number of bytes transmitted into the interface, including framing data. Discontinuities in the value of this node occur at re-initialization of the management system and within the time segments specified by the value of ifCounterDiscontinuityTime.

Implement according to definitions in the MIB file.

ifInUcastPkts[11]

Counter32

read-only

Number of unicast packets delivered by this sub-layer to a higher sublayer or layer. Discontinuities in the value of this node occur at re-initialization of the management system and within the time segments specified by the value of ifCounterDiscontinuityTime.

Implement according to definitions in the MIB file.

ifInNUcastPkts[12]

Counter32

read-only

Number of multicast or broadcast packets received by the interface (number of inbound packets that are chosen to be discarded even though no errors have been detected). These packets are prevented from being delivered 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 node occur at re-initialization of the management system and within the time segments specified by the value of ifCounterDiscontinuityTime.

Implement according to definitions in the MIB file.

ifInDiscards[13]

Counter32

read-only

Number of inbound packets that are chosen to be discarded even though no errors have been detected. These packets are prevented from being delivered 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 node occur at re-initialization of the management system and within the time segments specified by the value of ifCounterDiscontinuityTime.

Implement according to definitions in the MIB file.

ifInErrors[14]

Counter32

read-only

Number of inbound packets that contained errors preventing them from being delivered to a higher-layer protocol. Discontinuities in the value of this node occur at re-initialization of the management system and within the time segments specified by the value of ifCounterDiscontinuityTime.

Implement according to definitions in the MIB file.

ifInUnknownProtos[15]

Counter32

read-only

Number of packets received via the interface that were discarded because of an unknown or unsupported protocol. For any interface that does not support protocol multiplexing, the value of this node is zero.

Discontinuities in the value of this node occur at re-initialization of the management system and within the time segments specified by the value of ifCounterDiscontinuityTime.

Implement according to definitions in the MIB file.

ifOutOctets[16]

Counter32

read-only

Total number of bytes transmitted out of the interface, including framing data. Discontinuities in the value of this node occur at re-initialization of the management system and within the time segments specified by the value of ifCounterDiscontinuityTime.

Implement according to definitions in the MIB file.

ifOutUcastPkts[17]

Counter32

read-only

Total number of unicast packets that higher-level protocols requested be transmitted, including those that were discarded or not sent. Discontinuities in the value of this node occur at re-initialization of the management system and within the time segments specified by the value of ifCounterDiscontinuityTime.

Implement according to definitions in the MIB file.

ifOutNUcastPkts[18]

Counter32

read-only

Number of multicast or broadcast packets sent by the interface.

Implement according to definitions in the MIB file.

ifOutDiscards[19]

Counter32

read-only

Number of outbound packets that are chosen to be discarded even though no errors have been detected. These packets are also prevented from being transmitted. One possible reason for discarding such a packet could be to free up buffer space. Discontinuities in the value of this node occur at re-initialization of the management system and within the time segments specified by the value of ifCounterDiscontinuityTime.

Implement according to definitions in the MIB file.

ifOutErrors[20]

Counter32

read-only

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 node occur at re-initialization of the management system and within the time segments specified by the value of ifCounterDiscontinuityTime.

Implement according to definitions in the MIB file.

ifOutQLen[21]

Gauge32

read-only

Length of the output packet queue.

Implement according to definitions in the MIB file.

ifSpecific[22]

OBJECT

IDENTIFIER

read-only

Used to store the link-layer indexes.

Implement according to definitions in the MIB file.

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Updated: 2019-05-31

Document ID: EDOC1100057237

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