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UDPLITE-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY,
OBJECT-TYPE,
mib-2, Unsigned32,
Counter32, Counter64 FROM SNMPv2-SMI -- [RFC2578]
TimeStamp FROM SNMPv2-TC -- [RFC2579]
MODULE-COMPLIANCE,
OBJECT-GROUP FROM SNMPv2-CONF -- [RFC2580]
InetAddress,
InetAddressType,
InetPortNumber FROM INET-ADDRESS-MIB; -- [RFC4001]
udpliteMIB MODULE-IDENTITY
LAST-UPDATED "200712180000Z" -- 18 December 2007
ORGANIZATION "IETF TSV Working Group (TSVWG)"
CONTACT-INFO
"IETF TSV Working Group
http://www.ietf.org/html.charters/tsvwg-charter.html
Mailing List: tsvwg@ietf.org
Gerrit Renker, Godred Fairhurst
Electronics Research Group
School of Engineering, University of Aberdeen
Fraser Noble Building, Aberdeen AB24 3UE, UK"
DESCRIPTION
"The MIB module for managing UDP-Lite implementations.
Copyright (C) The IETF Trust (2008). This version of
this MIB module is part of RFC 5097; see the RFC
itself for full legal notices."
REVISION "200712180000Z" -- 18 December 2007
DESCRIPTION
"Initial SMIv2 revision, based on the format of the UDP
MIB module (RFC 4113) and published as RFC 5097."
::= { mib-2 170 }
udplite OBJECT IDENTIFIER ::= { udpliteMIB 1 }
udpliteInDatagrams OBJECT-TYPE -- as in UDP-MIB
SYNTAX Counter64
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The total number of UDP-Lite datagrams that were
delivered to UDP-Lite users.
Discontinuities in the value of this counter can occur
at re-initialisation of the management system, and at
other times as indicated by the value of
udpliteStatsDiscontinuityTime."
::= { udplite 1 }
udpliteInPartialCov OBJECT-TYPE -- new in UDP-Lite
SYNTAX Counter64
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The total number of UDP-Lite datagrams that were
delivered to UDP-Lite users (applications) and whose
checksum coverage was strictly less than the datagram
length.
Discontinuities in the value of this counter can occur
at re-initialisation of the management system, and at
other times as indicated by the value of
udpliteStatsDiscontinuityTime."
::= { udplite 2 }
udpliteNoPorts OBJECT-TYPE -- as in UDP-MIB
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The total number of received UDP-Lite datagrams for
which there was no listener at the destination port.
Discontinuities in the value of this counter can occur
at re-initialisation of the management system, and at
other times as indicated by the value of
udpliteStatsDiscontinuityTime."
::= { udplite 3 }
udpliteInErrors OBJECT-TYPE -- as in UDP-MIB
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of received UDP-Lite datagrams that could not
be delivered for reasons other than the lack of an
application at the destination port.
Discontinuities in the value of this counter can occur
at re-initialisation of the management system, and at
other times as indicated by the value of
udpliteStatsDiscontinuityTime."
::= { udplite 4 }
udpliteInBadChecksum OBJECT-TYPE -- new in UDP-Lite
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of received UDP-Lite datagrams whose checksum
could not be validated. This includes illegal checksum
coverage values, as their use would lead to incorrect
checksums.
Discontinuities in the value of this counter can occur
at re-initialisation of the management system, and at
other times as indicated by the value of
udpliteStatsDiscontinuityTime."
REFERENCE "RFC 3828, section 3.1"
::= { udplite 5 }
udpliteOutDatagrams OBJECT-TYPE -- as in UDP-MIB
SYNTAX Counter64
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The total number of UDP-Lite datagrams sent from this
entity.
Discontinuities in the value of this counter can occur
at re-initialisation of the management system, and at
other times as indicated by the value of
udpliteStatsDiscontinuityTime."
::= { udplite 6 }
udpliteOutPartialCov OBJECT-TYPE -- new in UDP-Lite
SYNTAX Counter64
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The total number of udpliteOutDatagrams whose
checksum coverage was strictly less than the
datagram length.
Discontinuities in the value of this counter can occur
at re-initialisation of the management system, and at
other times as indicated by the value of
udpliteStatsDiscontinuityTime."
::= { udplite 7 }
udpliteEndpointTable OBJECT-TYPE
SYNTAX SEQUENCE OF UdpLiteEndpointEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A table containing information about this entity's
UDP-Lite endpoints on which a local application is
currently accepting or sending datagrams.
The address type in this table represents the address
type used for the communication, irrespective of the
higher-layer abstraction. For example, an application
using IPv6 'sockets' to communicate via IPv4 between
::ffff:10.0.0.1 and ::ffff:10.0.0.2 would use
InetAddressType ipv4(1).
Like the udpTable in RFC 4113, this table also allows
the representation of an application that completely
specifies both local and remote addresses and ports. A
listening application is represented in three possible
ways:
1) An application that is willing to accept both IPv4
and IPv6 datagrams is represented by a
udpliteEndpointLocalAddressType of unknown(0) and a
udpliteEndpointLocalAddress of ''h (a zero-length
octet-string).
2) An application that is willing to accept only IPv4
or only IPv6 datagrams is represented by a
udpliteEndpointLocalAddressType of the appropriate
address type and a udpliteEndpointLocalAddress of
'0.0.0.0' or '::' respectively.
3) An application that is listening for datagrams only
for a specific IP address but from any remote
system is represented by a
udpliteEndpointLocalAddressType of the appropriate
address type, with udpliteEndpointLocalAddress
specifying the local address.
In all cases where the remote address is a wildcard,
the udpliteEndpointRemoteAddressType is unknown(0),
the udpliteEndpointRemoteAddress is ''h (a zero-length
octet-string), and the udpliteEndpointRemotePort is 0.
If the operating system is demultiplexing UDP-Lite
packets by remote address/port, or if the application
has 'connected' the socket specifying a default remote
address/port, the udpliteEndpointRemote* values should
be used to reflect this."
::= { udplite 8 }
udpliteEndpointEntry OBJECT-TYPE
SYNTAX UdpLiteEndpointEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Information about a particular current UDP-Lite endpoint.
Implementers need to pay attention to the sizes of
udpliteEndpointLocalAddress/RemoteAddress, as Object
Identifiers (OIDs) of column instances in this table must
have no more than 128 sub-identifiers in order to remain
accessible with SNMPv1, SNMPv2c, and SNMPv3."
INDEX { udpliteEndpointLocalAddressType,
udpliteEndpointLocalAddress,
udpliteEndpointLocalPort,
udpliteEndpointRemoteAddressType,
udpliteEndpointRemoteAddress,
udpliteEndpointRemotePort,
udpliteEndpointInstance }
::= { udpliteEndpointTable 1 }
UdpLiteEndpointEntry ::= SEQUENCE {
udpliteEndpointLocalAddressType InetAddressType,
udpliteEndpointLocalAddress InetAddress,
udpliteEndpointLocalPort InetPortNumber,
udpliteEndpointRemoteAddressType InetAddressType,
udpliteEndpointRemoteAddress InetAddress,
udpliteEndpointRemotePort InetPortNumber,
udpliteEndpointInstance Unsigned32,
udpliteEndpointProcess Unsigned32,
udpliteEndpointMinCoverage Unsigned32,
udpliteEndpointViolCoverage Counter32
}
udpliteEndpointLocalAddressType OBJECT-TYPE
SYNTAX InetAddressType
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The address type of udpliteEndpointLocalAddress. Only
IPv4, IPv4z, IPv6, and IPv6z addresses are expected, or
unknown(0) if datagrams for all local IP addresses are
accepted."
::= { udpliteEndpointEntry 1 }
udpliteEndpointLocalAddress OBJECT-TYPE
SYNTAX InetAddress
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The local IP address for this UDP-Lite endpoint.
The value of this object can be represented in three
possible ways, depending on the characteristics of the
listening application:
1. For an application that is willing to accept both
IPv4 and IPv6 datagrams, the value of this object
must be ''h (a zero-length octet-string), with
the value of the corresponding instance of the
EndpointLocalAddressType object being unknown(0).
2. For an application that is willing to accept only
IPv4 or only IPv6 datagrams, the value of this
object must be '0.0.0.0' or '::', respectively,
while the corresponding instance of the
EndpointLocalAddressType object represents the
appropriate address type.
3. For an application that is listening for data
destined only to a specific IP address, the value
of this object is the specific IP address for
which this node is receiving packets, with the
corresponding instance of the
EndpointLocalAddressType object representing the
appropriate address type.
As this object is used in the index for the
udpliteEndpointTable, implementors should be careful
not to create entries that would result in OIDs with
more than 128 sub-identifiers; this is because of SNMP
and SMI limitations."
::= { udpliteEndpointEntry 2 }
udpliteEndpointLocalPort OBJECT-TYPE
SYNTAX InetPortNumber
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The local port number for this UDP-Lite endpoint."
::= { udpliteEndpointEntry 3 }
udpliteEndpointRemoteAddressType OBJECT-TYPE
SYNTAX InetAddressType
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The address type of udpliteEndpointRemoteAddress. Only
IPv4, IPv4z, IPv6, and IPv6z addresses are expected, or
unknown(0) if datagrams for all remote IP addresses are
accepted. Also, note that some combinations of
udpliteEndpointLocalAdressType and
udpliteEndpointRemoteAddressType are not supported. In
particular, if the value of this object is not
unknown(0), it is expected to always refer to the
same IP version as udpliteEndpointLocalAddressType."
::= { udpliteEndpointEntry 4 }
udpliteEndpointRemoteAddress OBJECT-TYPE
SYNTAX InetAddress
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The remote IP address for this UDP-Lite endpoint. If
datagrams from any remote system are to be accepted,
this value is ''h (a zero-length octet-string).
Otherwise, it has the type described by
udpliteEndpointRemoteAddressType and is the address of
the remote system from which datagrams are to be
accepted (or to which all datagrams will be sent).
As this object is used in the index for the
udpliteEndpointTable, implementors should be careful
not to create entries that would result in OIDs with
more than 128 sub-identifiers; this is because of SNMP
and SMI limitations."
::= { udpliteEndpointEntry 5 }
udpliteEndpointRemotePort OBJECT-TYPE
SYNTAX InetPortNumber
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The remote port number for this UDP-Lite endpoint. If
datagrams from any remote system are to be accepted,
this value is zero."
::= { udpliteEndpointEntry 6 }
udpliteEndpointInstance OBJECT-TYPE
SYNTAX Unsigned32 (1..'ffffffff'h)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The instance of this tuple. This object is used to
distinguish among multiple processes 'connected' to
the same UDP-Lite endpoint. For example, on a system
implementing the BSD sockets interface, this would be
used to support the SO_REUSEADDR and SO_REUSEPORT
socket options."
::= { udpliteEndpointEntry 7 }
udpliteEndpointProcess OBJECT-TYPE
SYNTAX Unsigned32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"A unique value corresponding to a piece of software
running on this endpoint.
If this endpoint is associated with more than one piece
of software, the agent should choose one of these. As
long as the representative piece of software
is running and still associated with the endpoint,
subsequent reads will consistently return the same
value. The implementation may use any algorithm
satisfying these constraints (e.g., choosing the entity
with the oldest start time).
This identifier is platform-specific. Wherever possible,
it should use the system's native, unique identification
number as the value.
If the SYSAPPL-MIB module is available, the value should
be the same as sysApplElmtRunIndex. If not available, an
alternative should be used (e.g., the hrSWRunIndex of the
HOST-RESOURCES-MIB module).
If it is not possible to uniquely identify the pieces of
software associated with this endpoint, then the value
zero should be used. (Note that zero is otherwise a
valid value for sysApplElmtRunIndex.)"
::= { udpliteEndpointEntry 8 }
udpliteEndpointMinCoverage OBJECT-TYPE -- new in UDP-Lite
SYNTAX Unsigned32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The minimum checksum coverage expected by this endpoint.
A value of 0 indicates that only fully covered datagrams
are accepted."
REFERENCE "RFC 3828, section 3.1"
::= { udpliteEndpointEntry 9 }
udpliteEndpointViolCoverage OBJECT-TYPE -- new / optional in UDP-Lite
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of datagrams received by this endpoint whose
checksum coverage violated the minimum coverage threshold
set for this connection (i.e., all valid datagrams whose
checksum coverage was strictly smaller than the minimum,
as defined in RFC 3828).
Discontinuities in the value of this counter can occur
at re-initialisation of the management system, and at
other times as indicated by the value of
udpliteStatsDiscontinuityTime."
::= { udpliteEndpointEntry 10 }
udpliteStatsDiscontinuityTime OBJECT-TYPE
SYNTAX TimeStamp
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of sysUpTime at the most recent occasion at
which one or more of the UDP-Lite counters suffered a
discontinuity.
A value of zero indicates no such discontinuity has
occurred since the last re-initialisation of the local
management subsystem."
::= { udplite 9 }
-- Conformance Information
udpliteMIBConformance OBJECT IDENTIFIER ::= { udpliteMIB 2 }
udpliteMIBCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The compliance statement for systems that implement
UDP-Lite.
There are a number of INDEX objects that cannot be
represented in the form of OBJECT clauses in SMIv2,
but for which we have the following compliance
requirements, expressed in OBJECT clause form in this
description clause:
-- OBJECT udpliteEndpointLocalAddressType
-- SYNTAX InetAddressType { unknown(0), ipv4(1),
-- ipv6(2), ipv4z(3),
-- ipv6z(4) }
-- DESCRIPTION
-- Support for dns(16) is not required.
-- OBJECT udpliteEndpointLocalAddress
-- SYNTAX InetAddress (SIZE(0|4|8|16|20))
-- DESCRIPTION
-- Support is only required for zero-length
-- octet-strings, and for scoped and unscoped
-- IPv4 and IPv6 addresses.
-- OBJECT udpliteEndpointRemoteAddressType
-- SYNTAX InetAddressType { unknown(0), ipv4(1),
-- ipv6(2), ipv4z(3),
-- ipv6z(4) }
-- DESCRIPTION
-- Support for dns(16) is not required.
-- OBJECT udpliteEndpointRemoteAddress
-- SYNTAX InetAddress (SIZE(0|4|8|16|20))
-- DESCRIPTION
-- Support is only required for zero-length
-- octet-strings, and for scoped and unscoped
-- IPv4 and IPv6 addresses.
"
MODULE -- this module
MANDATORY-GROUPS { udpliteBaseGroup,
udplitePartialCsumGroup,
udpliteEndpointGroup }
GROUP udpliteAppGroup
DESCRIPTION
"This group is optional and provides supplementary
information about the effectiveness of using minimum
checksum coverage thresholds on endpoints."
::= { udpliteMIBConformance 1 }
udpliteMIBGroups OBJECT IDENTIFIER ::= { udpliteMIBConformance 2 }
udpliteBaseGroup OBJECT-GROUP -- as in UDP
OBJECTS { udpliteInDatagrams, udpliteNoPorts, udpliteInErrors,
udpliteOutDatagrams, udpliteStatsDiscontinuityTime }
STATUS current
DESCRIPTION
"The group of objects providing for counters of
basic UDP-like statistics."
::= { udpliteMIBGroups 1 }
udplitePartialCsumGroup OBJECT-GROUP -- specific to UDP-Lite
OBJECTS { udpliteInPartialCov,
udpliteInBadChecksum,
udpliteOutPartialCov }
STATUS current
DESCRIPTION
"The group of objects providing for counters of
transport layer statistics exclusive to UDP-Lite."
::= { udpliteMIBGroups 2 }
udpliteEndpointGroup OBJECT-GROUP
OBJECTS { udpliteEndpointProcess, udpliteEndpointMinCoverage }
STATUS current
DESCRIPTION
"The group of objects providing for the IP version
independent management of UDP-Lite 'endpoints'."
::= { udpliteMIBGroups 3 }
udpliteAppGroup OBJECT-GROUP
OBJECTS { udpliteEndpointViolCoverage }
STATUS current
DESCRIPTION
"The group of objects that provide application-level
information for the configuration management of
UDP-Lite 'endpoints'."
::= { udpliteMIBGroups 4 }
END