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ROHC-RTP-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, OBJECT-TYPE,
Unsigned32, Counter32, mib-2
FROM SNMPv2-SMI -- [RFC2578]
TruthValue
FROM SNMPv2-TC -- [RFC2579]
MODULE-COMPLIANCE, OBJECT-GROUP
FROM SNMPv2-CONF -- [RFC2580]
rohcChannelID, rohcContextCID
FROM ROHC-MIB; -- [RFC3816]
rohcRtpMIB MODULE-IDENTITY
LAST-UPDATED "200406030000Z" -- June 3, 2004
ORGANIZATION "IETF Robust Header Compression Working Group"
CONTACT-INFO
"WG charter:
http://www.ietf.org/html.charters/rohc-charter.html
Mailing Lists:
General Discussion: rohc@ietf.org
To Subscribe: rohc-request@ietf.org
In Body: subscribe your_email_address
Editor:
Juergen Quittek
NEC Europe Ltd.
Network Laboratories
Kurfuersten-Anlage 36
69221 Heidelberg
Germany
Tel: +49 6221 90511-15
EMail: quittek@netlab.nec.de"
DESCRIPTION
"This MIB module defines a set of objects for monitoring
and configuring RObust Header Compression (ROHC).
The objects are specific to ROHC RTP (profile 0x0001),
ROHC UDP (profile 0x0002), and ROHC ESP (profile 0x0003)
defined in RFC 3095 and for the ROHC LLA profile (profile
0x0005) defined in RFC 3242.
Copyright (C) The Internet Society (2004). The
initial version of this MIB module was published
in RFC 3816. For full legal notices see the RFC
itself or see:
http://www.ietf.org/copyrights/ianamib.html"
REVISION "200406030000Z" -- June 3, 2004
DESCRIPTION "Initial version, published as RFC 3816."
::= { mib-2 114 }
--
-- The groups defined within this MIB module:
--
rohcRtpObjects OBJECT IDENTIFIER ::= { rohcRtpMIB 1 }
rohcRtpConformance OBJECT IDENTIFIER ::= { rohcRtpMIB 2 }
--
-- Context Table
--
-- The rohcRtpContextTable lists all contexts per interface
-- and instance. It extends the rohcContextTable.
--
rohcRtpContextTable OBJECT-TYPE
SYNTAX SEQUENCE OF RohcRtpContextEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table lists and describes RTP profile specific
properties of compressor contexts and decompressor
contexts. It extends the rohcContextTable of the
ROHC-MIB module."
::= { rohcRtpObjects 1 }
rohcRtpContextEntry OBJECT-TYPE
SYNTAX RohcRtpContextEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry describing a particular context."
INDEX {
rohcChannelID,
rohcContextCID
}
::= { rohcRtpContextTable 1 }
RohcRtpContextEntry ::= SEQUENCE {
rohcRtpContextState INTEGER,
rohcRtpContextMode INTEGER,
rohcRtpContextAlwaysPad TruthValue,
rohcRtpContextLargePktsAllowed TruthValue,
rohcRtpContextVerifyPeriod Unsigned32,
rohcRtpContextSizesAllowed Unsigned32,
rohcRtpContextSizesUsed Unsigned32,
rohcRtpContextACKs Counter32,
rohcRtpContextNACKs Counter32,
rohcRtpContextSNACKs Counter32,
rohcRtpContextNHPs Counter32,
rohcRtpContextCSPs Counter32,
rohcRtpContextCCPs Counter32,
rohcRtpContextPktsLostPhysical Counter32,
rohcRtpContextPktsLostPreLink Counter32
}
rohcRtpContextState OBJECT-TYPE
SYNTAX INTEGER {
initAndRefresh(1),
firstOrder(2),
secondOrder(3),
noContext(4),
staticContext(5),
fullContext(6)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"State of the context as defined in RFC 3095. States
initAndRefresh(1), firstOrder(2), and secondOrder(3)
are states of compressor contexts, states noContext(4),
staticContext(5) and fullContext(6) are states of
decompressor contexts."
REFERENCE
"RFC 3095"
::= { rohcRtpContextEntry 3 }
rohcRtpContextMode OBJECT-TYPE
SYNTAX INTEGER {
unidirectional(1),
optimistic(2),
reliable(3)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Mode of the context."
REFERENCE
"RFC 3095, Section 4.4"
::= { rohcRtpContextEntry 4 }
rohcRtpContextAlwaysPad OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Boolean, only applicable to compressor contexts using the
LLA profile. If its value is true, the compressor must
pad every RHP packet with a minimum of one octet ROHC
padding.
The value of this object is only valid for LLA profiles,
i.e., if the corresponding rohcProfile has a value of
0x0005. If the corresponding rohcProfile has a value
other than 0x0005, then this object MUST NOT be
instantiated."
REFERENCE
"RFC 3242, Section 5.1.1"
DEFVAL { false }
::= { rohcRtpContextEntry 5 }
rohcRtpContextLargePktsAllowed OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Boolean, only applicable to compressor contexts using the
LLA profile. It specifies how to handle packets that do
not fit any of the preferred packet sizes specified. If
its value is true, the compressor must deliver the larger
packet as-is and must not use segmentation. If it is set
to false, the ROHC segmentation scheme must be used to
split the packet into two or more segments, and each
segment must further be padded to fit one of the preferred
packet sizes.
The value of this object is only valid for LLA profiles,
i.e., if the corresponding rohcProfile has a value of
0x0005. If the corresponding rohcProfile has a value
other than 0x0005, then this object MUST NOT be
instantiated."
REFERENCE
"RFC 3242, Section 5.1.1"
DEFVAL { true }
::= { rohcRtpContextEntry 6 }
rohcRtpContextVerifyPeriod OBJECT-TYPE
SYNTAX Unsigned32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object is only applicable to compressor contexts
using the LLA profile. It specifies the minimum frequency
with which a packet validating the context must be sent.
This tells the compressor that a packet containing a CRC
field must be sent at least once every N packets, where N
is the value of the object. A value of 0 indicates that
periodical verifications are disabled.
The value of this object is only valid for LLA profiles,
i.e., if the corresponding rohcProfile has a value of
0x0005. If the corresponding rohcProfile has a value
other than 0x0005, then this object MUST NOT be
instantiated."
REFERENCE
"RFC 3242, Section 5.1.1"
DEFVAL { 0 }
::= { rohcRtpContextEntry 7 }
rohcRtpContextSizesAllowed OBJECT-TYPE
SYNTAX Unsigned32 (1..4294967295)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of this object is only valid for decompressor
contexts, i.e., if rohcInstanceType of the corresponding
rohcContextEntry has the value decompressor(2). For
compressor contexts where rohcInstanceType has the value
compressor(1), this object MUST NOT be instantiated.
This object contains the number of different packet sizes
that may be used in the context."
REFERENCE
"RFC 3095, Section 6.3.1"
::= { rohcRtpContextEntry 8 }
rohcRtpContextSizesUsed OBJECT-TYPE
SYNTAX Unsigned32 (1..4294967295)
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of this object is only valid for decompressor
contexts, i.e., if rohcInstanceType of the corresponding
rohcContextEntry has the value decompressor(2). For
compressor contexts where rohcInstanceType has the value
compressor(1), this object MUST NOT be instantiated.
This object contains the number of different packet sizes
that are used in the context."
REFERENCE
"RFC 3095, Section 6.3.1"
::= { rohcRtpContextEntry 9 }
rohcRtpContextACKs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of all positive feedbacks (ACK) sent or
received in this context, respectively.
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. For checking
ifCounterDiscontinuityTime, the interface index is
required. It can be determined by reading the
rohcChannelTable of the ROHC-MIB."
REFERENCE
"RFC 3095, Section 5.2.1."
::= { rohcRtpContextEntry 10 }
rohcRtpContextNACKs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of all dynamic negative feedbacks (ACK) sent
or received in this context, respectively.
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. For checking
ifCounterDiscontinuityTime, the interface index is
required. It can be determined by reading the
rohcChannelTable of the ROHC-MIB."
REFERENCE
"RFC 3095, Section 5.2.1."
::= { rohcRtpContextEntry 11 }
rohcRtpContextSNACKs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of all static negative feedbacks (ACK) sent
or received in this context, respectively.
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. For checking
ifCounterDiscontinuityTime, the interface index is
required. It can be determined by reading the
rohcChannelTable of the ROHC-MIB."
REFERENCE
"RFC 3095, Section 5.2.1."
::= { rohcRtpContextEntry 12 }
rohcRtpContextNHPs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object is only applicable to contexts using the
LLA profile. It contains the number of all no-header
packets (NHP) sent or received in this context,
respectively.
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. For checking
ifCounterDiscontinuityTime, the interface index is
required. It can be determined by reading the
rohcChannelTable of the ROHC-MIB.
The value of this object is only valid for LLA profiles,
i.e., if the corresponding rohcProfile has a value of
0x0005. If the corresponding rohcProfile has a value
other than 0x0005, then this object MUST NOT be
instantiated."
REFERENCE
"RFC 3242, Section 4.1.1."
::= { rohcRtpContextEntry 13 }
rohcRtpContextCSPs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object is only applicable to contexts using the
LLA profile. It contains the number of all context
synchronization packets (CSP) sent or received in this
context, respectively.
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. For checking
ifCounterDiscontinuityTime, the interface index is
required. It can be determined by reading the
rohcChannelTable of the ROHC-MIB.
The value of this object is only valid for LLA profiles,
i.e., if the corresponding rohcProfile has a value of
0x0005. If the corresponding rohcProfile has a value
other than 0x0005, then this object MUST NOT be
instantiated."
REFERENCE
"RFC 3242, Section 4.1.2."
::= { rohcRtpContextEntry 14 }
rohcRtpContextCCPs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object is only applicable to contexts using the
LLA profile. It contains the number of all context check
packets (CCP) sent or received in this context,
respectively.
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. For checking
ifCounterDiscontinuityTime, the interface index is
required. It can be determined by reading the
rohcChannelTable of the ROHC-MIB.
The value of this object is only valid for LLA profiles,
i.e., if the corresponding rohcProfile has a value of
0x0005. If the corresponding rohcProfile has a value
other than 0x0005, then this object MUST NOT be
instantiated."
REFERENCE
"RFC 3242, Section 4.1.3."
::= { rohcRtpContextEntry 15 }
rohcRtpContextPktsLostPhysical OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object is only applicable to decompressor contexts
using the LLA profile. It contains the number of physical
packet losses on the link between compressor and
decompressor, that have been indicated to the decompressor.
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. For checking
ifCounterDiscontinuityTime, the interface index is
required. It can be determined by reading the
rohcChannelTable of the ROHC-MIB.
The value of this object is only valid for LLA profiles,
i.e., if the corresponding rohcProfile has a value of
0x0005. If the corresponding rohcProfile has a value
other than 0x0005, then this object MUST NOT be
instantiated."
REFERENCE
"RFC 3242, Section 5.1.2."
::= { rohcRtpContextEntry 16 }
rohcRtpContextPktsLostPreLink OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object is only applicable to decompressor contexts
using the LLA profile. It contains the number of pre-link
packet losses on the link between compressor and
decompressor, that have been indicated to the decompressor.
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. For checking
ifCounterDiscontinuityTime, the interface index is
required. It can be determined by reading the
rohcChannelTable of the ROHC-MIB.
The value of this object is only valid for LLA profiles,
i.e., if the corresponding rohcProfile has a value of
0x0005. If the corresponding rohcProfile has a value
other than 0x0005, then this object MUST NOT be
instantiated."
REFERENCE
"RFC 3242, Section 5.1.2."
::= { rohcRtpContextEntry 17 }
--
-- Packet Sizes Table
--
-- The rohcPacketSizeTable lists allowed, preferred, and used
-- packet sizes per compressor context.
rohcRtpPacketSizeTable OBJECT-TYPE
SYNTAX SEQUENCE OF RohcRtpPacketSizeEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table lists all allowed, preferred, and used packet
sizes per compressor context and channel.
Note, that the sizes table represents implementation
parameters that are suggested by RFC 3095 and/or RFC 3242,
but that are not mandatory."
::= { rohcRtpObjects 2 }
rohcRtpPacketSizeEntry OBJECT-TYPE
SYNTAX RohcRtpPacketSizeEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry of a particular packet size."
INDEX {
rohcChannelID,
rohcContextCID,
rohcRtpPacketSize
}
::= { rohcRtpPacketSizeTable 1 }
RohcRtpPacketSizeEntry ::= SEQUENCE {
rohcRtpPacketSize Unsigned32,
rohcRtpPacketSizePreferred TruthValue,
rohcRtpPacketSizeUsed TruthValue,
rohcRtpPacketSizeRestrictedType INTEGER
}
rohcRtpPacketSize OBJECT-TYPE
SYNTAX Unsigned32 (1..4294967295)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A packet size used as index."
::= { rohcRtpPacketSizeEntry 3 }
rohcRtpPacketSizePreferred OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object is only applicable to compressor contexts
using the LLA profile. When retrieved, it will have
the value true(1) if the packet size is preferred.
Otherwise, its value will be false(2).
The value of this object is only valid for LLA profiles,
i.e., if the corresponding rohcProfile has a value of
0x0005. If the corresponding rohcProfile has a value
other than 0x0005, then this object MUST NOT be
instantiated."
REFERENCE
"RFC 3242, Section 5.1.1"
::= { rohcRtpPacketSizeEntry 4 }
rohcRtpPacketSizeUsed OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object is only applicable to compressor contexts
using the UDP, RTP, or ESP profile. When retrieved,
it will have the value true(1) if the packet size is
used. Otherwise, its value will be false(2).
The value of this object is only valid for UDP, RTP,
and ESP profiles, i.e., if the corresponding rohcProfile
has a value of either 0x0001, 0x0002 or 0x0003. If
the corresponding rohcProfile has a value other than
0x0001, 0x0002 or 0x0003, then this object MUST NOT be
instantiated."
REFERENCE
"RFC 3095, Section 6.3.1"
::= { rohcRtpPacketSizeEntry 5 }
rohcRtpPacketSizeRestrictedType OBJECT-TYPE
SYNTAX INTEGER {
nhpOnly(1),
rhpOnly(2),
noRestrictions(3)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object is only applicable to preferred packet
sizes of compressor contexts using the LLA profile.
When retrieved, it will indicate whether the packet
size is preferred for NHP only, for RHP only, or
for both of them.
The value of this object is only valid for LLA profiles,
i.e., if the corresponding rohcProfile has a value of
0x0005. If the corresponding rohcProfile has a value
other than 0x0005, then this object MUST NOT be
instantiated."
REFERENCE
"RFC 3242, Section 5.1.1"
::= { rohcRtpPacketSizeEntry 6 }
--
-- conformance information
--
rohcRtpCompliances OBJECT IDENTIFIER ::= { rohcRtpConformance 1 }
rohcRtpGroups OBJECT IDENTIFIER ::= { rohcRtpConformance 2 }
--
-- compliance statements
--
rohcRtpCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The compliance statement for SNMP entities that implement
the ROHC-RTP-MIB.
Note that compliance with this compliance
statement requires compliance with the
rohcCompliance MODULE-COMPLIANCE statement of the
ROHC-MIB and with the ifCompliance3 MODULE-COMPLIANCE
statement of the IF-MIB (RFC2863)."
MODULE -- this module
MANDATORY-GROUPS {
rohcRtpContextGroup
}
GROUP rohcRtpPacketSizesGroup
DESCRIPTION
"A compliant implementation does not have to implement
the rohcRtpPacketSizesGroup."
GROUP rohcRtpStatisticsGroup
DESCRIPTION
"A compliant implementation does not have to implement
the rohcRtpStatisticsGroup."
::= { rohcRtpCompliances 1 }
rohcRtpContextGroup OBJECT-GROUP
OBJECTS {
rohcRtpContextState,
rohcRtpContextMode,
rohcRtpContextAlwaysPad,
rohcRtpContextLargePktsAllowed,
rohcRtpContextVerifyPeriod
}
STATUS current
DESCRIPTION
"A collection of objects providing information about
ROHC RTP compressors and decompressors."
::= { rohcRtpGroups 1 }
rohcRtpPacketSizesGroup OBJECT-GROUP
OBJECTS {
rohcRtpContextSizesAllowed,
rohcRtpContextSizesUsed,
rohcRtpPacketSizePreferred,
rohcRtpPacketSizeUsed,
rohcRtpPacketSizeRestrictedType
}
STATUS current
DESCRIPTION
"A collection of objects providing information about
allowed and used packet sizes at a ROHC RTP compressor."
::= { rohcRtpGroups 2 }
rohcRtpStatisticsGroup OBJECT-GROUP
OBJECTS {
rohcRtpContextACKs,
rohcRtpContextNACKs,
rohcRtpContextSNACKs,
rohcRtpContextNHPs,
rohcRtpContextCSPs,
rohcRtpContextCCPs,
rohcRtpContextPktsLostPhysical,
rohcRtpContextPktsLostPreLink
}
STATUS current
DESCRIPTION
"A collection of objects providing ROHC compressor and
decompressor statistics."
::= { rohcRtpGroups 3 }
END