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S12700 V200R011C10 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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traceRouteCtlTable

traceRouteCtlTable

Defines the Remote Operations Traceroute Control Table for providing the capability of invoking traceroute from a remote host. The results of traceroute operations can be stored in the traceRouteResultsTable, traceRouteProbeHistoryTable, and the traceRouteHopsTable.

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.2.1.81.1.2.1.1

traceRouteCtlOwnerIndex

Octets(0..32)

Not-accessible

To facilitate the provisioning of access control by a security administrator using the View-Based Access Control Model (RFC 3415, VACM) for tables in which multiple users may need to independently create or modify entries, the initial index is used as an 'owner index'. Such an initial index has the SnmpAdminString syntax, and can thus be trivially mapped to a securityName or groupName as defined in VACM, in accordance with a security policy.

When used in conjunction with such a security policy, all entries in the table belonging to a particular user (or group) will have the same value for this initial index. For a given user's entries in a particular table, the object identifiers for the information in these entries will have the same subidentifiers (except for the 'column' subidentifier) up to the end of the encoded owner index. To configure VACM to permit access to this portion of the table, one would create vacmViewTreeFamilyTable entries with the value of vacmViewTreeFamilySubtree including the owner index portion, and vacmViewTreeFamilyMask 'wildcarding' the column subidentifier. More elaborate configurations are possible.

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

1.3.6.1.2.1.81.1.2.1.2

traceRouteCtlTestName

Octets(0..32)

Not-accessible

This object indicates the name of a traceroute test. This is locally unique, within the scope of a traceRouteCtlOwnerIndex.

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

1.3.6.1.2.1.81.1.2.1.3

traceRouteCtlTargetAddressType

InetAddressType

Read-create

This object indicates the type of the host address to be used on the traceroute request at the remote host.

Support IPv4, IPv6 and DNS.

The value of this object: ipv4(1), unknown(0).

The default value is unknown(0).

1.3.6.1.2.1.81.1.2.1.4

traceRouteCtlTargetAddress

InetAddress

Read-create

This object indicates the host address used on the traceroute request at the remote host. The host address type can be determined by the examining the value of the corresponding traceRouteCtlTargetAddressType index element.

A value for this object MUST be set prior to transitioning its corresponding traceRouteCtlEntry to active(1) via traceRouteCtlRowStatus.

Support IPv4 ,IPv6and DNS.

The value of IPv4 ranges from 1.0.0.0 to 223.255.255.255.

The value of DNS ranges from 0 to 230.

1.3.6.1.2.1.81.1.2.1.5

traceRouteCtlByPassRouteTable

TruthValue

Read-create

The purpose of this object is to optionally enable bypassing the routing table. If enabled, the remote host will bypass the normal routing tables and send directly to a host on an attached network. If the host is not on a directly-attached network, an error is returned. This option can be used to perform the traceroute operation to a local host through an interface that has no route defined (for example, after the interface was dropped by routed).

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

1.3.6.1.2.1.81.1.2.1.6

traceRouteCtlDataSize

Unsigned32 (0..65507)

Read-create

This object indicates the size of the data portion of a traceroute request in octets.

A traceroute request is essentially transmitted by encoding a UDP datagram into an IP packet. So subtracting the size of a UDP header (8 octets) and the size of an IP header (20 octets) yields the datasize of traceroute request.

The value ranges from 0 to 8100.

1.3.6.1.2.1.81.1.2.1.7

traceRouteCtlTimeOut

Unsigned32 (1..60)

Read-create

This object indicates the time-out value, in seconds, for a traceroute request.

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

1.3.6.1.2.1.81.1.2.1.8

traceRouteCtlProbesPerHop

Unsigned32 (1..10)

Read-create

This object indicates the number of times to reissue a traceroute request with the same time-to-live (TTL) value.

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

1.3.6.1.2.1.81.1.2.1.9

traceRouteCtlPort

Unsigned32 (1..65535)

Read-create

This object indicates the UDP port to send the traceroute request to. Need to specify a port that is not in use at the destination (target) host. The default value for this object is the IANA assigned port, 33434, for the traceroute function.

The value ranges from 1 to 50000.

1.3.6.1.2.1.81.1.2.1.10

traceRouteCtlMaxTtl

Unsigned32 (1..255)

Read-create

This object indicates the maximum time-to-live value.

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

1.3.6.1.2.1.81.1.2.1.11

traceRouteCtlDSField

Unsigned32 (0..255)

Read-create

This object indicates the value to store in the Differentiated Services (DS) Field in the IP packet used to encapsulate the traceroute probe. The DS Field is defined as the Type of Service (ToS) octet in an IPv4 header or as the Traffic Class octet in an IPv6 header. This option can be used to determine what effect an explicit DS Field setting has on a traceroute response. Not all values are legal or meaningful. DS Field usage is often not supported by IP implementations.

A value of 0 means that the function represented by this option is not supported. Useful ToS octet values are probably '16' (low delay) and '8' (high throughput).

Read-only

1.3.6.1.2.1.81.1.2.1.12

traceRouteCtlSourceAddressType

InetAddressType

Read-create

This object indicates the type of the source address, traceRouteCtlSourceAddress, to be used at a remote host when performing a traceroute operation.

Only supports IPv4 and IPv6. The default value is IPv4.

1.3.6.1.2.1.81.1.2.1.13

traceRouteCtlSourceAddress

InetAddress

Read-create

Use the specified IP address (which must be given as an IP number, not a hostname) as the source address in outgoing probe packets. On hosts with more than one IP address, this option can be used to force the source address to be something other than the primary IP address of the interface the probe packet is sent on. If the IP address is not one of this machine's interface addresses, an error is retuned and nothing is sent. A zero-length octet string value for this object disables source address specification.

The address type (InetAddressType) that relates to this object is specified by the corresponding value of traceRouteCtlSourceAddressType.

Only supports IPv4 and IPv6.

1.3.6.1.2.1.81.1.2.1.14

traceRouteCtlIfIndex

InterfaceIndexOrZero

Read-create

Setting this object to an interface's ifIndex prior to starting a remote traceroute operation directs the traceroute probes to be transmitted over the specified interface. A value of zero for this object implies that this option is not enabled.

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

1.3.6.1.2.1.81.1.2.1.15

traceRouteCtlMiscOptions

SnmpAdminString

Read-create

This object enables an application to specify implementation-dependent options

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

1.3.6.1.2.1.81.1.2.1.16

traceRouteCtlMaxFailures

Unsigned32 (0..255)

Read-create

This object indicates the maximum number of consecutive timeouts allowed before terminating a remote traceroute request. A value of either 255 (maximum hop count/possible TTL value) or a 0 indicates that the function of terminating a remote traceroute request when a specific number of successive timeouts are detected is disabled.

The minimum value is 1.

1.3.6.1.2.1.81.1.2.1.17

traceRouteCtlDontFragment

TruthValue

Read-create

This object enables setting of the DF flag in the IP header for a probe. Use of this object enables performing a manual PATH MTU test.

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

1.3.6.1.2.1.81.1.2.1.18

traceRouteCtlInitialTtl

Unsigned32 (1..255)

Read-create

This object indicates the initial TTL value to use. This enables bypassing the initial (often well known) portion of a path.

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

1.3.6.1.2.1.81.1.2.1.19

traceRouteCtlFrequency

Unsigned32

Read-create

This object indicates the number of seconds for waiting to repeat a traceroute test.

The number of hops in a single traceroute test is determined by the value of the corresponding traceRouteCtlProbesPerHop object.

After a single test completes, the number of seconds as defined by the value of traceRouteCtlFrequency must elapse before the next traceroute test is started.

The default value 0 of this object implies that the test is not repeated.

The value ranges from 0 to 604800.

Default value: 0

1.3.6.1.2.1.81.1.2.1.20

traceRouteCtlStorageType

StorageType

Read-create

This object indicates the storage type for this conceptual row. Conceptual rows having the value 'permanent' need not allow write-access to any columnar objects in the row.

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

1.3.6.1.2.1.81.1.2.1.21

traceRouteCtlAdminStatus

INTEGER { enabled(1), disabled(2) }

Read-create

This object indicates the desired state that an traceRouteCtlEntry should be in.

  • enabled(1): Starts the test defined in the table.
  • disabled(2): Stops the test defined in the table.

Refer to the corresponding traceRouteResultsOperStatus to determine the operational state of the test defined by this entry.

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

1.3.6.1.2.1.81.1.2.1.22

traceRouteCtlDescr

SnmpAdminString

Read-create

The purpose of this object is to provide a descriptive name of the remote traceroute test.

The default value is NULL; the length of string ranges from 0 to 230.

1.3.6.1.2.1.81.1.2.1.23

traceRouteCtlMaxRows

Unsigned32

Read-create

This object indicates the maximum number of entries allowed in the traceRouteProbeHistoryTable. An implementation of this MIB will remove the oldest entry in the traceRouteProbeHistoryTable to allow the addition of a new entry once the number of rows in the traceRouteProbeHistoryTable reaches this value.

Old entries are not removed when a new test is started. Entries are added to the traceRouteProbeHistoryTable until traceRouteCtlMaxRows is reached before entries begin to be removed.

A value of 0 for this object disables creation of traceRouteProbeHistoryTable entries.

The value ranges from 1 to 1000.

1.3.6.1.2.1.81.1.2.1.24

traceRouteCtlTrapGeneration

BITS

{

pathChange(0),

testFailure(1),

testCompletion(2)

}

Read-create

This object indicates when and whether to generate a notification for this entry:

pathChange(0): generates a traceRoutePathChange alarm when the current path varies from a previously determined path.

testFailure(1): generates a traceRouteTestFailed alarm when the full path to a target cannot be determined.

testCompletion(2): generates a traceRouteTestCompleted alarm when the path to a target has been determined.

Do not support the trap when the path to a target has changed.

1.3.6.1.2.1.81.1.2.1.25

traceRouteCtlCreateHopsEntries

TruthValue

Read-create

The current path for a traceroute test is kept in the traceRouteHopsTable on a per hop basis when the value of this object is true.

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

1.3.6.1.2.1.81.1.2.1.26

traceRouteCtlType

Object Identifier

Read-create

The value of this object is used either to report or select the implementation method to be used for performing a traceroute operation. The value of this object may be selected from traceRouteImplementationTypeDomains.

Additional implementation types should be allocated as required by implementers of the DISMAN-TRACEROUTE-MIB under their enterprise-specific registration point and not beneath traceRouteImplementationTypeDomains.

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

1.3.6.1.2.1.81.1.2.1.27

traceRouteCtlRowStatus

RowStatus

Read-create

This object allows entries to be created and deleted in the traceRouteCtlTable. Deletion of an entry in this table results in all corresponding (same traceRouteCtlOwnerIndex and traceRouteCtlTestName index values) traceRouteResultsTable, traceRouteProbeHistoryTable, and traceRouteHopsTable entries being deleted.

A value MUST be specified for traceRouteCtlTargetAddress prior to a transition to active(1) state being accepted.

Activation of a remote traceroute operation is controlled via traceRouteCtlAdminStatus and not by transitioning of this object's value to active(1).Transitions in and out of active(1) state are not allowed while an entry's traceRouteResultsOperStatus is active(1)

with the exception that deletion of an entry in this table by setting its RowStatus object to destroy(6) will stop an active traceroute operation.

The operational state of a traceroute operation can be determined by examination of the corresponding traceRouteResultsOperStatus object.

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

Creation Restriction

  • When creating this table, you must specify index traceRouteCtlOwnerIndex, traceRouteCtlTestName, and traceRouteCtlType.

  • When setting the row, make sure to be accordant with the snmp v2 row-creating standard.

  • traceRouteCtlTargetAddressType and traceRouteCtlTargetAddress must be delivered simultaneously.

Modification Restriction

  • Modifying a single object is supported.

  • traceRouteCtlRowStatus is set when the table row is created.

  • When the test team is carrying out the service testing, that is, when the traceRouteCtlAdminStatus is enabled, the parameters, except traceRouteCtlAdminStatus, of the test team cannot be modified.

Deletion Restriction

  • When the test team is operating service testing, that is, when the status of traceRouteCtlAdminStatus is enabled, the test team cannot be deleted.

  • Deletion of this table results in the deletion of related entries in traceRouteResultsTable, traceRouteProbeHistoryTable, and traceRouteHopsTable.

Access Restriction

The entries in this table can be read without restraint.

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Updated: 2019-03-29

Document ID: EDOC1000178122

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