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S12700 V200R013C00 MIB Reference

This document provides the function overview, relationships between tables, description of single objects, description of MIB tables, and description of alarm objects.
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RFC1213-MIB

RFC1213-MIB

Functions Overview

RFC 1213 defines the RFC1213-MIB. This MIB provides the forwarding parameters of a local device when IP packets are forwarded by this device for you to query and manage MIB-II based on TCP/IP internet management protocol.

This MIB provides the following information about an interface:

  • Number of packets received and sent

  • Number of packets lost

  • Wait time of IP fragments

  • Number of IP fragments

  • Largest size of packets that can be reassembled

  • Query for the destination IP address, network mask as well as corresponding physical addresses

This MIB contains three OIDs:

  • iso(1).org(3).dod(6).internet(1).mgmt(2).mib-2(1).ip(4)

  • iso(1).org(3).dod(6).internet(1).mgmt(2).mib-2(1).tcp(6)

  • iso(1).org(3).dod(6).internet(1).mgmt(2).mib-2(1).udp(7)

Relationships Between Tables

The five tables in this MIB are independent.

Description of Single Objects

ipForwarding

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.1

ipForwarding

INTEGER{forwarding(1),not-forwarding(2)}

Read-write

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 that for some managed nodes, this object may take on only a subset of the values possible. Accordingly, it is appropriate for an agent to return a 'badValue' response if a management station attempts to change this object to an inappropriate value.

Currently, the maximum access is read-only.

ipDefaultTTL

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.2

ipDefaultTTL

INTEGER

Read-write

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.

Currently, the maximum access is read-only.

ipInReceives

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.3

ipInReceives

Counter

Read-only

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

Currently, the switch only collects statistics on packets sent to the CPU for processing.

ipInHdrErrors

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.4

ipInHdrErrors

Counter

Read-only

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, and so on

Currently, the switch only collects statistics on packets sent to the CPU for processing.

ipInAddrErrors

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.5

ipInAddrErrors

Counter

Read-only

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 (for example, 0.0.0.0) and addresses of unsupported Classes (for example, Class E). For entities which are not IP Gateways and therefore do not forward datagrams, this counter includes datagrams discarded because the destination address was not a local address.

Currently, the switch only collects statistics on packets sent to the CPU for processing.

ipForwDatagrams

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.6

ipForwDatagrams

Counter

Read-only

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 include only those packets which were Source-Routed via this entity, and the Source-Route option processing was successful.

This object is implemented as defined in the corresponding MIB files.

ipInUnknownProtos

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.7

ipInUnknownProtos

Counter

Read-only

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

This object is implemented as defined in the corresponding MIB files.

ipInDiscards

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.8

ipInDiscards

Counter

Read-only

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

Currently, the switch only collects statistics on packets sent to the CPU for processing.

ipInDelivers

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.9

ipInDelivers

Counter

Read-only

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

Currently, the switch only collects statistics on packets sent to the CPU for processing.

ipOutRequests

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.10

ipOutRequests

Counter

Read-only

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.

Currently, the switch only collects statistics on packets sent to the CPU for processing.

ipOutDiscards

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.11

ipOutDiscards

Counter

Read-only

The number of output IP datagrams for which no problem was encountered to prevent their transmission to their destination, but which were discarded (for example, for lack of buffer space). Note that this counter would include datagrams counted in ipForwDatagrams if any such packets met this (discretionary) discard criterion.

Currently, the switch only collects statistics on packets sent to the CPU for processing.

ipOutNoRoutes

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.12

ipOutNoRoutes

Counter

Read-only

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 datagarms which a host cannot route because all of its default gateways are down.

This object is implemented as defined in the corresponding MIB files.

ipReasmTimeout

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.13

ipReasmTimeout

Integer32

Read-only

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

This object is implemented as defined in the corresponding MIB files.

ipReasmReqds

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.14

ipReasmReqds

Counter

Read-only

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

This object is implemented as defined in the corresponding MIB files.

ipReasmOKs

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.15

ipReasmOKs

Counter

Read-only

The number of IP datagrams successfully re-assembled.

This object is implemented as defined in the corresponding MIB files.

ipReasmFails

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.16

ipReasmFails

Counter

Read-only

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 information about the number of fragments by combining them as they are received.

This object is implemented as defined in the corresponding MIB files.

ipFragOKs

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.17

ipFragOKs

Counter

Read-only

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

This object is implemented as defined in the corresponding MIB files.

ipFragFails

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.18

ipFragFails

Counter

Read-only

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

This object is implemented as defined in the corresponding MIB files.

ipFragCreates

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.19

ipFragCreates

Counter

Read-only

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

This object is implemented as defined in the corresponding MIB files.

ipRoutingDiscards

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.23

ipRoutingDiscards

Counter

Read-only

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.

This object is implemented as defined in the corresponding MIB files.

icmpInMsgs

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.1

icmpInMsgs

Counter

Read-only

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

This object is implemented as defined in the corresponding MIB files.

icmpInErrors

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.2

icmpInErrors

Counter

Read-only

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

This object is implemented as defined in the corresponding MIB files.

icmpInDestUnreachs

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.3

icmpInDestUnreachs

Counter

Read-only

The number of ICMP Destination Unreachable messages received.

This object is implemented as defined in the corresponding MIB files.

icmpInTimeExcds

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.4

icmpInTimeExcds

Counter

Read-only

The number of ICMP Time Exceeded messages received.

This object is implemented as defined in the corresponding MIB files.

icmpInParmProbs

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.5

icmpInParmProbs

Counter

Read-only

The number of ICMP Parameter Problem messages received.

This object is implemented as defined in the corresponding MIB files.

icmpInSrcQuenchs

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.6

icmpInSrcQuenchs

Counter

Read-only

The number of ICMP Source Quench messages received.

This object is implemented as defined in the corresponding MIB files.

icmpInRedirects

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.7

icmpInRedirects

Counter

Read-only

The number of ICMP Redirect messages received.

This object is implemented as defined in the corresponding MIB files.

icmpInEchos

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.8

icmpInEchos

Counter

Read-only

The number of ICMP Echo (request) messages received.

This object is implemented as defined in the corresponding MIB files.

icmpInEchoReps

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.9

icmpInEchoReps

Counter

Read-only

The number of ICMP Echo Reply messages received.

This object is implemented as defined in the corresponding MIB files.

icmpInTimestamps

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.10

icmpInTimestamps

Counter

Read-only

The number of ICMP Timestamp (request) messages received.

This object is implemented as defined in the corresponding MIB files.

icmpInTimestampReps

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.11

icmpInTimestampReps

Counter

Read-only

The number of ICMP Timestamp Reply messages received.

This object is implemented as defined in the corresponding MIB files.

icmpInAddrMasks

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.12

icmpInAddrMasks

Counter

Read-only

The number of ICMP Address Mask Request messages received.

This object is implemented as defined in the corresponding MIB files.

icmpInAddrMaskReps

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.13

icmpInAddrMaskReps

Counter

Read-only

The number of ICMP Address Mask Reply messages received.

This object is implemented as defined in the corresponding MIB files.

icmpOutMsgs

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.14

icmpOutMsgs

Counter

Read-only

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

This object is implemented as defined in the corresponding MIB files.

icmpOutErrors

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.15

icmpOutErrors

Counter

Read-only

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 datagram. In some implementations there may be no types of error which contribute to this counter's value.

This object is implemented as defined in the corresponding MIB files.

icmpOutDestUnreachs

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.16

icmpOutDestUnreachs

Counter

Read-only

The number of ICMP Destination Unreachable messages sent.

This object is implemented as defined in the corresponding MIB files.

icmpOutTimeExcds

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.17

icmpOutTimeExcds

Counter

Read-only

The number of ICMP Time Exceeded messages sent.

This object is implemented as defined in the corresponding MIB files.

icmpOutParmProbs

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.18

icmpOutParmProbs

Counter

Read-only

The number of ICMP Parameter Problem messages sent.

This object is implemented as defined in the corresponding MIB files.

icmpOutSrcQuenchs

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.19

icmpOutSrcQuenchs

Counter

Read-only

The number of ICMP Source Quench messages sent.

This object is implemented as defined in the corresponding MIB files.

icmpOutRedirects

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.20

icmpOutRedirects

Counter

Read-only

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

This object is implemented as defined in the corresponding MIB files.

icmpOutEchos

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.21

icmpOutEchos

Counter

Read-only

The number of ICMP Echo (request) messages sent.

This object is implemented as defined in the corresponding MIB files.

icmpOutEchoReps

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.22

icmpOutEchoReps

Counter

Read-only

The number of ICMP Echo Reply messages sent.

This object is implemented as defined in the corresponding MIB files.

icmpOutTimestamps

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.23

icmpOutTimestamps

Counter

Read-only

The number of ICMP Timestamp (request) messages sent.

This object is implemented as defined in the corresponding MIB files.

icmpOutTimestampReps

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.24

icmpOutTimestampReps

Counter

Read-only

The number of ICMP Timestamp Reply messages sent.

This object is implemented as defined in the corresponding MIB files.

icmpOutAddrMasks

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.25

icmpOutAddrMasks

Counter

Read-only

The number of ICMP Address Mask Request messages sent.

This object is implemented as defined in the corresponding MIB files.

icmpOutAddrMaskReps

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.5.26

icmpOutAddrMaskReps

Counter

Read-only

The number of ICMP Address Mask Reply messages sent.

This object is implemented as defined in the corresponding MIB files.

tcpRtoAlgorithm

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.6.1

tcpRtoAlgorithm

INTEGER{other(1),constant(2),rsre(3),vanj(4)}

Read-only

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

This object is implemented as defined in the corresponding MIB files.

tcpRtoMin

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.6.2

tcpRtoMin

Integer32

Read-only

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 timeout algorithm is rsre(3), an object of this type has the semantics of the LBOUND quantity described in RFC 793.

This object is implemented as defined in the corresponding MIB files.

tcpRtoMax

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.6.3

tcpRtoMax

Integer32

Read-only

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 timeout algorithm is rsre(3), an object of this type has the semantics of the UBOUND quantity described in RFC 793.

This object is implemented as defined in the corresponding MIB files.

tcpMaxConn

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.6.4

tcpMaxConn

Integer32

Read-only

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

This object is implemented as defined in the corresponding MIB files.

tcpActiveOpens

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.6.5

tcpActiveOpens

Counter

Read-only

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

This object is implemented as defined in the corresponding MIB files.

tcpPassiveOpens

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.6.6

tcpPassiveOpens

Counter

Read-only

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

This object is implemented as defined in the corresponding MIB files.

tcpAttemptFails

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.6.7

tcpAttemptFails

Counter

Read-only

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.

This object is implemented as defined in the corresponding MIB files.

tcpEstabResets

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.6.8

tcpEstabResets

Counter

Read-only

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.

This object is implemented as defined in the corresponding MIB files.

tcpCurrEstab

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.6.9

tcpCurrEstab

Gauge

Read-only

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

This object is implemented as defined in the corresponding MIB files.

tcpInSegs

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.6.10

tcpInSegs

Counter

Read-only

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

This object is implemented as defined in the corresponding MIB files.

tcpOutSegs

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.6.11

tcpOutSegs

Counter

Read-only

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

This object is implemented as defined in the corresponding MIB files.

tcpRetransSegs

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.6.12

tcpRetransSegs

Counter

Read-only

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

This object is implemented as defined in the corresponding MIB files.

tcpInErrs

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.6.14

tcpInErrs

Counter

Read-only

The total number of segments received in error (for example, bad TCP checksums).

This object is implemented as defined in the corresponding MIB files.

tcpOutRsts

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.6.15

tcpOutRsts

Counter

Read-only

The number of TCP segments sent containing the RST flag.

This object is implemented as defined in the corresponding MIB files.

udpInDatagrams

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.7.1

udpInDatagrams

Counter

Read-only

The total number of UDP datagrams delivered to UDP users.

This object is implemented as defined in the corresponding MIB files.

udpNoPorts

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.7.2

udpNoPorts

Counter

Read-only

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

This object is implemented as defined in the corresponding MIB files.

udpInErrors

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.7.3

udpInErrors

Counter

Read-only

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

This object is implemented as defined in the corresponding MIB files.

udpOutDatagrams

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.7.4

udpOutDatagrams

Counter

Read-only

The total number of UDP datagrams sent from this entity.

This object is implemented as defined in the corresponding MIB files.

Description of MIB Tables

ipAddrTable

This table is used to store information of the IP addresses such as IP address and network mask.

The index of this table is ipAdEntAddr.

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.20.1.1

ipAdEntAddr

IpAddress

Read-only

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

This object is implemented as defined in the corresponding MIB files.

1.3.6.1.2.1.4.20.1.2

ipAdEntIfIndex

Integer32

Read-only

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.

This object is implemented as defined in the corresponding MIB files.

1.3.6.1.2.1.4.20.1.3

ipAdEntNetMask

IpAddress

Read-only

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.

This object is implemented as defined in the corresponding MIB files.

1.3.6.1.2.1.4.20.1.4

ipAdEntBcastAddr

Integer32

Read-only

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 will be 1. This value applies to both the subnet and network broadcasts addresses used by the entity on this (logical) interface.

This object is implemented as defined in the corresponding MIB files.

1.3.6.1.2.1.4.20.1.5

ipAdEntReasmMaxSize

INTEGER (0..65535)

Read-only

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

This object is implemented as defined in the corresponding MIB files.

Creation Restriction

The entries in this table cannot be created.

Modification Restriction

The entries in this table cannot be modified.

Deletion Restriction

The entries in this table cannot be deleted.

Access Restriction

None.

ipRouteTable

This table is used to display the information of routes that reach the destination address.

The index of this table is ipRouteDest.

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.21.1.1

ipRouteDest

IpAddress

Read-write

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 defined by the network management protocol in use.

Currently, the maximum access is read-only.

1.3.6.1.2.1.4.21.1.2

ipRouteIfIndex

INTERGER

Read-write

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.

Currently, the maximum access is read-only.

1.3.6.1.2.1.4.21.1.3

ipRouteMetric1

INTEGER

Read-write

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.

Currently, the maximum access is read-only.

1.3.6.1.2.1.4.21.1.4

ipRouteMetric2

INTEGER

Read-write

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.

Currently, the maximum access is read-only.

1.3.6.1.2.1.4.21.1.5

ipRouteMetric3

INTEGER

Read-write

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.

Currently, the maximum access is read-only.

1.3.6.1.2.1.4.21.1.6

ipRouteMetric4

INTEGER

Read-write

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.

Currently, the maximum access is read-only.

1.3.6.1.2.1.4.21.1.7

ipRouteNextHop

IpAddress

Read-write

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.)

Currently, the maximum access is read-only.

1.3.6.1.2.1.4.21.1.8

ipRouteType

INTEGER{other(1),invalid(2),direct(3),indirect(4)}

Read-write

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 ipRouteTable object. That is, it effectively disassociates the destination identified with said entry from the route identified with said entry. It is an implementation-specific matter as to whether the agent removes an invalidated entry from the table. Accordingly, management stations must be prepared to receive tabular information from agents that corresponds to entries not currently in use. Proper interpretation of such entries requires examination of the relevant ipRouteType object.

Currently, the maximum access is read-only.

1.3.6.1.2.1.4.21.1.9

ipRouteProto

INTEGER{other(1),local(2),netmgmt(3),icmp(4),egp(5),ggp(6),hello(7),rip(8),is-is(9),es-is(10),ciscoIgrp(11),bbnSpfIgp(12),ospf(13),bgp(14)}

Read-only

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.

This object is implemented as defined in the corresponding MIB files.

1.3.6.1.2.1.4.21.1.10

ipRouteAge

INTEGER

Read-write

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.

Currently, the maximum access is read-only.

1.3.6.1.2.1.4.21.1.11

ipRouteMask

IpAddress

Read-write

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 whether the value of the correspondent ipRouteDest field belong to a class-A, B, or C network, and then using one of: mask network

255.0.0.0 class-A

255.255.0.0 class-B

255.255.255.0 class-C

If the value of the ipRouteDest is 0.0.0.0 (a default route), then the mask value is also 0.0.0.0. It should be noted that all IP routing subsystems implicitly use this mechanism.

Currently, the maximum access is read-only.

1.3.6.1.2.1.4.21.1.12

ipRouteMetric5

INTEGER

Read-write

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.

Currently, the maximum access is read-only.

1.3.6.1.2.1.4.21.1.13

ipRouteInfo

OBJECT IDENTIFIER

Read-only

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 OBJECT IDENTIFIER { 0 0 }, which is a valid object identifier, and any conformant implementation of ASN.1 and BER must be able to generate and recognize this value.

This object is implemented as defined in the corresponding MIB files.

Creation Restriction

The entries in this table cannot be created.

Modification Restriction

The entries in this table cannot be modified.

Deletion Restriction

The entries in this table cannot be deleted.

Access Restriction

The value of IpRouteMask depends on the address type of ipRouteDest. For example, if the ipRouteDest is a Class C address, ipRouteMask is 255.255.255.0.

ipNetToMediaTable

This table is a translation table of IP addresses that maps an IP address to a physical address.

The indexes of this table are ipNetToMediaIfIndex and ipNetToMediaNetAddress.

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.4.22.1.1

ipNetToMediaIfIndex

INTEGER

Read-write

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.

Currently, the maximum access is read-only.

1.3.6.1.2.1.4.22.1.2

ipNetToMediaPhysAddress

PhysAddress

Read-write

The media-dependent 'physical' address.

Currently, the maximum access is read-only.

1.3.6.1.2.1.4.22.1.3

ipNetToMediaNetAddress

IpAddress

Read-write

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

Currently, the maximum access is read-only.

1.3.6.1.2.1.4.22.1.4

ipNetToMediaType

INTEGER{other(1),invalid(2),dynamic(3),static(4)}

Read-write

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 disassociates the interface identified with said entry from the mapping identified with said entry. It is an implementation-specific matter as to whether the agent removes an invalidated entry from the table. Accordingly, management stations must be prepared to receive tabular information from agents that corresponds to entries not currently in use. Proper interpretation of such entries requires examination of the relevant ipNetToMediaType object.

Currently, the maximum access is read-only.

Creation Restriction

The entries in this table cannot be created.

Modification Restriction

The entries in this table cannot be modified.

Deletion Restriction

The entries in this table cannot be deleted.

Access Restriction

None.

tcpConnTable

This table covers information on TCP connections.

The indexes of this table are tcpConnLocalAddress, tcpConnLocalPort, tcpConnRemAddress, and tcpConnRemPort.

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.6.13.1.1

tcpConnState

INTEGER{

closed(1),

listen(2),

synSent(3),

synReceived(4),

established(5),

finWait1(6),

finWait2(7),

closeWait(8),

lastAck(9),

closing(10),

timeWait(11),

deleteTCB(12)

}

Read-write

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.

If a management station sets this object to the value deleteTCB(12), then this has the effect of deleting the TCB (as defined in RFC 793) of the corresponding connection on the managed object, resulting in immediate termination of the connection.

As an implementation-specific option, an RST segment may be sent from the managed node to the other TCP endpoint (note however that RST segments are not sent reliably).

Currently, the maximum access is read-only.

1.3.6.1.2.1.6.13.1.2

tcpConnLocalAddress

IpAddress

Read-only

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 object, the value 0.0.0.0 is used.

This object is implemented as defined in the corresponding MIB files.

1.3.6.1.2.1.6.13.1.3

tcpConnLocalPort

INTEGER (0...65535)

Read-only

The local port number for this TCP connection

This object is implemented as defined in the corresponding MIB files.

1.3.6.1.2.1.6.13.1.4

tcpConnRemAddress

IpAddress

Read-only

The remote IP address for this TCP connection.

This object is implemented as defined in the corresponding MIB files.

1.3.6.1.2.1.6.13.1.5

tcpConnRemPort

INTEGER (0...65535)

Read-only

The remote port number for this TCP connection

This object is implemented as defined in the corresponding MIB files.

Creation Restriction

The entries in this table cannot be created.

Modification Restriction

The only value that the management process can set to the tcpConnTable is 12 (For example, terminate the connection immediately).

Deletion Restriction

The entries in this table cannot be deleted.

Access Restriction

None.

udpTable

This table covers information on UDP connections.

The index of this table is udpLocalAddress and udpLocalPort.

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.7.5.1.1

udpLocalAddress

IpAddress

Read-only

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

This object is implemented as defined in the corresponding MIB files.

1.3.6.1.2.1.7.5.1.2

udpLocalPort

INTEGER (0..65535)

Read-only

The local port number for this UDP connection

This object is implemented as defined in the corresponding MIB files.

Creation Restriction

The entries in this table cannot be created.

Modification Restriction

The entries in this table cannot be modified.

Deletion Restriction

The entries in this table cannot be deleted.

Access Restriction

The table can be accessed only when there is the UDP socket that is bound to the interface number.

atTable

This table describes ARP entries.

The indexes of this table are atIfIndex and atNetAddress.

NOTE:
The functions of this table are replaced by 1.3.6.1.4.1.2011.5.25.123.1.17.1 hwArpDynTable and 1.3.6.1.4.1.2011.5.25.123.1.18.1 hwArpCfgTable, which can display more information about ARP entries (such as the VLANIF outbound interface and VLAN ID). Using hwArpDynTable and hwArpCfgTable to obtain the associated information is recommended.

OID

Object Name

Syntax

Access Authority

Description

Implemented Specifications

1.3.6.1.2.1.3.1.1.1

atIfIndex

INTEGER

read-write

Index of an interface corresponding to the entry. The interface with this index is the same as the interface specified by the ifIndex in the IF-MIB.

The maximum access to this object is read-only.

1.3.6.1.2.1.3.1.1.2

atPhysAddress

PhysAddress

read-write

Physical address specified based on medium

The maximum access to this object is read-only.

1.3.6.1.2.1.3.1.1.3

atNetAddress

NetworkAddress

read-write

IP address corresponding to the physical address of the medium

The maximum access to this object is read-only.

Creation Restriction

No entry can be created in this table.

Modification Restriction

The entries in this table cannot be modified.

Deletion Restriction

The entries in this table cannot be deleted.

Access Restriction

None

Description of Alarm Objects

None.

Translation
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Updated: 2019-04-09

Document ID: EDOC1100065666

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