draft-ietf-psamp-mib-01.txt   draft-ietf-psamp-mib-02.txt 
Network Working Group T. Dietz, Ed. Network Working Group T. Dietz, Ed.
Internet-Draft NEC Europte Ltd. Internet-Draft NEC Europte Ltd.
Expires: April 23, 2004 D. Romascanu Expires: August 1, 2004 D. Romascanu
Avaya Inc. Avaya Inc.
B. Claise B. Claise
Cisco Systems Cisco Systems
October 24, 2003 February 2004
Definitions of Managed Objects for Packet Sampling Definitions of Managed Objects for Packet Sampling
<draft-ietf-psamp-mib-01.txt> <draft-ietf-psamp-mib-02.txt>
Status of this Memo Status of this Memo
This document is an Internet-Draft and is in full conformance with This document is an Internet-Draft and is in full conformance with
all provisions of Section 10 of RFC2026. all provisions of Section 10 of RFC2026.
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF), its areas, and its working groups. Note that other Task Force (IETF), its areas, and its working groups. Note that other
groups may also distribute working documents as Internet-Drafts. groups may also distribute working documents as Internet-Drafts.
skipping to change at page 1, line 34 skipping to change at page 1, line 34
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
The list of current Internet-Drafts can be accessed at http:// The list of current Internet-Drafts can be accessed at http://
www.ietf.org/ietf/1id-abstracts.txt. www.ietf.org/ietf/1id-abstracts.txt.
The list of Internet-Draft Shadow Directories can be accessed at The list of Internet-Draft Shadow Directories can be accessed at
http://www.ietf.org/shadow.html. http://www.ietf.org/shadow.html.
This Internet-Draft will expire on April 23, 2004. This Internet-Draft will expire on August 1, 2004.
Copyright Notice Copyright Notice
Copyright (C) The Internet Society (2003). All Rights Reserved. Copyright (C) The Internet Society (2004). All Rights Reserved.
Abstract Abstract
This memo defines managed objects for packet sampling. These objects This memo defines managed objects for packet sampling. These objects
provide information about managed nodes supporting packet sampling, provide information about managed nodes supporting packet sampling,
including packet sampling capabilities, configuration and statistics. including packet sampling capabilities, configuration and statistics.
They also allow to configure packet sampling concerning the IP They also allow to configure packet sampling concerning the IP
interface at which packets are sampled, the packet selections methods interface at which packets are sampled, the packet selections methods
used for sampling, and the collector to which packet samples are used for sampling, and the collector to which packet samples are
exported. exported.
Table of Contents Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
2. The Internet-Standard Management Framework . . . . . . . . . 3 2. The Internet-Standard Management Framework . . . . . . . . . 3
3. Structure of the PSAMP MIB module . . . . . . . . . . . . . 3 3. Structure of the PSAMP MIB module . . . . . . . . . . . . . 3
3.1 The Methods Group . . . . . . . . . . . . . . . . . . . . . 4 3.1 The Sampling Methods Group . . . . . . . . . . . . . . . . . 4
3.1.1 Selecting All Packets . . . . . . . . . . . . . . . . . . . 4 3.1.1 Selecting All Packets . . . . . . . . . . . . . . . . . . . 4
3.1.2 Count-based Systematic Sampling . . . . . . . . . . . . . . 4 3.1.2 Systematic Count-based Sampling . . . . . . . . . . . . . . 4
3.1.3 Time-based Systematic Sampling . . . . . . . . . . . . . . . 6 3.1.3 Systematic Time-based Sampling . . . . . . . . . . . . . . . 5
3.1.4 n-out-of-N Random Sampling . . . . . . . . . . . . . . . . . 6 3.1.4 Random n-out-of-N Sampling . . . . . . . . . . . . . . . . . 5
3.1.5 Probabilistic Sampling . . . . . . . . . . . . . . . . . . . 6 3.1.5 Random Uniform Probabilistic Sampling . . . . . . . . . . . 6
3.2 The Reporting Group . . . . . . . . . . . . . . . . . . . . 7 3.1.6 Random Non-Uniform Probabilistic Sampling . . . . . . . . . 6
3.3 The Instance Group . . . . . . . . . . . . . . . . . . . . . 7 3.1.7 Flow State Sampling . . . . . . . . . . . . . . . . . . . . 6
3.2 The Filtering Methods Group . . . . . . . . . . . . . . . . 6
3.2.1 Mask Filtering . . . . . . . . . . . . . . . . . . . . . . . 7
3.2.2 Hash Filtering . . . . . . . . . . . . . . . . . . . . . . . 7
3.2.3 Router State Filtering . . . . . . . . . . . . . . . . . . . 7
3.3 The Reporting Group . . . . . . . . . . . . . . . . . . . . 7
3.4 The Instance Group . . . . . . . . . . . . . . . . . . . . . 8
4. Defnitions . . . . . . . . . . . . . . . . . . . . . . . . . 7 4. Defnition . . . . . . . . . . . . . . . . . . . . . . . . . 8
5. Security Considerations . . . . . . . . . . . . . . . . . . 25 5. Security Considerations . . . . . . . . . . . . . . . . . . 31
6. Open Issues . . . . . . . . . . . . . . . . . . . . . . . . 25 6. Open Issues . . . . . . . . . . . . . . . . . . . . . . . . 31
7. Acknowledgment . . . . . . . . . . . . . . . . . . . . . . . 26 7. Acknowledgment . . . . . . . . . . . . . . . . . . . . . . . 32
Normative References . . . . . . . . . . . . . . . . . . . . 26 Normative References . . . . . . . . . . . . . . . . . . . . 32
Informative References . . . . . . . . . . . . . . . . . . . 26 Informative References . . . . . . . . . . . . . . . . . . . 32
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . 27 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . 33
Intellectual Property and Copyright Statements . . . . . . . 28 Intellectual Property and Copyright Statements . . . . . . . 34
1. Introduction 1. Introduction
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in RFC 2119 [RFC2119]. document are to be interpreted as described in RFC 2119 [RFC2119].
This document is a product of the Packet Sampling (PSAMP) working This document is a product of the Packet Sampling (PSAMP) working
group. Its purpose is to define standards-based MIB modules for group. Its purpose is to define standards-based MIB modules for
monitoring and configuring managed nodes performaing packet sampling. monitoring and configuring managed nodes performaing packet sampling.
It is assumed that packet sampling is performed according to the It is assumed that packet sampling is performed according to the
framework defined in [PS-FMWK]. Packet selection methods considered framework defined in [I-D.ietf-psamp-framework]. Packet selection
in the MIB module are specified in [PS-PSEL]. Configuration of the methods considered in the MIB module are specified in
export of samples to a collector is modeled according to [PS-TRSP]. [I-D.ietf-psamp-sample-tech]. Configuration of the export of samples
to a collector is modeled according to [I-D.ietf-psamp-protocol].
Section 2 describes the structure of the PSAMP MIB module and Section Section 3 describes the structure of the PSAMP MIB module and section
3 contains the formal definition. Security issues are discussed in 4 contains the formal definition. Security issues are discussed in
Section 5. section 5.
2. The Internet-Standard Management Framework 2. The Internet-Standard Management Framework
For a detailed overview of the documents that describe the current For a detailed overview of the documents that describe the current
Internet-Standard Management Framework, please refer to section 7 of Internet-Standard Management Framework, please refer to section 7 of
RFC 3410 [RFC3410]. RFC 3410 [RFC3410].
Managed objects are accessed via a virtual information store, termed Managed objects are accessed via a virtual information store, termed
the Management Information Base or MIB. MIB objects are generally the Management Information Base or MIB. MIB objects are generally
accessed through the Simple Network Management Protocol (SNMP). accessed through the Simple Network Management Protocol (SNMP).
Objects in the MIB are defined using the mechanisms defined in the Objects in the MIB are defined using the mechanisms defined in the
Structure of Management Information (SMI). This memo specifies a MIB Structure of Management Information (SMI). This memo specifies a MIB
module that is compliant to the SMIv2, which is described in STD 58, module that is compliant to the SMIv2, which is described in STD 58,
RFC 2578 [RFC2578], STD 58, RFC 2579 [RFC2579] and STD 58, RFC 2580 RFC 2578 [RFC2578], STD 58, RFC 2579 [RFC2579] and STD 58, RFC 2580
[RFC2580]. [RFC2580].
3. Structure of the PSAMP MIB module 3. Structure of the PSAMP MIB module
This first draft does not contain a complete PSAMP MIB module This draft does still not contain a complete PSAMP MIB module
definition, but some essential components of it sketching the definition, but some essential components of it sketching the
structure of the complete module. The sketch serves as input to a structure of the complete module. The sketch serves as input to a
discussion of the MIB module structure, particular of the modelling discussion of the MIB module structure, particular of the modelling
of capabilities and configured packet sampling instances. Please find of capabilities and configured packet sampling instances. Please find
a (not complete) list of open issues at the end of the document. a (not complete) list of open issues at the end of the document.
The PSAMP-MIB module defined below contains three groups of objects: The PSAMP-MIB module defined below contains four groups of objects:
the methods group, the reporting group, and the instances group. the sampling methods group, the filtering methods group, the
reporting group, and the instances group.
3.1 The Methods Group 3.1 The Sampling Methods Group
The first group of objects contains information about sampling The first group of objects contains information about sampling
methods. Each sampling method is covered by an indovidual sub-tree of methods. Each sampling method is covered by an individual sub-tree of
this group. For each method, the following objects are defined: a this group. For each method, the following objects are defined: a
single object indicating the availability of the method, a sub-group single object indicating the availability of the method, a sub-group
of objects indicating specific capabilities and limits of the method, of objects indicating specific capabilities and limits of the method,
and a sub-group specifying sets of parameters. Each parameter set and a sub-group specifying sets of parameters. Each parameter set
uniquely specifies all paramerters of a packet sampling instance of uniquely specifies all paramerters of a packet sampling instance of
the method. the method.
Methods and parameters of methods are specified in Methods and parameters of methods are specified in
draft-ietf-psamp-sample-tech-01.txt. So far, objects for four methods [I-D.ietf-psamp-sample-tech]. So far, objects for six methods defined
defined in this Internet drafts are contained in the PSAMP MIB module in this Internet drafts are contained in the PSAMP MIB module plus an
plus an additional trivial method. Further methods need to be added additional trivial method. Further methods need to be added later and
later. The five methods are selecting all, count-based systematic some of the existing methods need to be elaborated because they are
sampling, time-based systematic sampling, n-out-of-N random sampling just placeholders for the final objects. The seven methods are
and probabilistic sampling. selecting all, systematic count-based sampling, systematic time-based
sampling, random n-out-of-N sampling, random uniform probabilistic
sampling, random non-uniform probabilistic sampling and flow state
sampling.
All methods contain a pointer (OID) to the next sampling method used All methods contain a pointer (OID) to the next sampling method used
after the current sampling method. Thus concatenation of sampling after the current sampling method. Thus concatenation of sampling
methods can be realized. Also all parameters sets contain a row methods can be realized. Also all parameters sets contain a row
status. TBD: Define usage of RowStatus. status. TBD: Define usage of RowStatus.
3.1.1 Selecting All Packets 3.1.1 Selecting All Packets
This trivial packet selection method is alway available. If it is This trivial packet selection method is alway available. If it is
applied, all packets will be selected. applied, all packets will be selected.
3.1.2 Count-based Systematic Sampling 3.1.2 Systematic Count-based Sampling
Count-based systematic sampling is specified in Sections 4 and 5 of
draft-ietf-psamp-sample-tech-01.txt. The first object in this group
is psampSystematicCountBasedSamplingAvailability indicating the
availability of this method.
It is followed by a sub-group of objects specifying capabilities. The first object in this group is
psampSystematicCountBasedSamplingMaxInterval indicates the maximum psampSystematicCountBasedSamplingAvailability indicating the
sampling interval in packets supported by the implementation, availability of this method. It is followed by a sub-group of objects
psampSystematicCountBasedSamplingMaxSpacing indicates the maximum specifying capabilities. psampSystematicCountBasedSamplingMaxInterval
spacing in packets supported by the implementation. indicates the maximum sampling interval in packets supported by the
implementation, psampSystematicCountBasedSamplingMaxSpacing indicates
the maximum spacing in packets supported by the implementation.
Finally psampSystematicCountBasedSamplingParameterSetTable contains a Finally psampSystematicCountBasedSamplingParameterSetTable contains a
parameter set in each of its entries that completely specifies a parameter set in each of its entries that completely specifies a
configuration of an instance of the packet sampling method. These configuration of an instance of the packet sampling method. These
parameter sets are not necessarily instantiated at the managed node, parameter sets are not necessarily instantiated at the managed node,
but for each instanciated paramter set of this method, there MUST be but for each instanciated paramter set of this method, there MUST be
an entry in this table. The parameter set contains two parameters: an entry in this table. The parameter set contains two parameters:
the sampling interval length and the spacing specified in numbers of the sampling interval length and the spacing specified in numbers of
packets. packets.
3.1.3 Time-based Systematic Sampling 3.1.3 Systematic Time-based Sampling
Time-based systematic sampling is specified in Sections 4 and 5 of
draft-ietf-psamp-sample-tech-01.txt. The first object in this group
is psampSystematicTimeBasedSamplingAvailability indicating the
availability of this method.
It is followed by a sub-group of objects specifying capabilities. The first object in this group is
psampSystematicTimeBasedSamplingMaxInterval indicates the maximum psampSystematicTimeBasedSamplingAvailability indicating the
sampling interval in microseconds supported by the implementation, availability of this method. It is followed by a sub-group of objects
psampSystematicTimeBasedSamplingMaxSpacing indicates the maximum specifying capabilities. psampSystematicTimeBasedSamplingMaxInterval
spacing in microseconds supported by the implementation. indicates the maximum sampling interval in microseconds supported by
the implementation, psampSystematicTimeBasedSamplingMaxSpacing
indicates the maximum spacing in microseconds supported by the
implementation.
Finally psampSystematicTimeBasedSamplingParameterSetTable contains a Finally psampSystematicTimeBasedSamplingParameterSetTable contains a
parameter set in each of its entries that completely specifies a parameter set in each of its entries that completely specifies a
configuration of an instance of the packet sampling method. These configuration of an instance of the packet sampling method. These
parameter sets are not necessarily instantiated at the managed node, parameter sets are not necessarily instantiated at the managed node,
but for each instanciated paramter set of this method, there MUST be but for each instanciated paramter set of this method, there MUST be
an entry in this table. The parameter set contains two parameters: an entry in this table. The parameter set contains two parameters:
the sampling interval length and the spacing specified in the sampling interval length and the spacing specified in
microseconds. microseconds.
3.1.4 n-out-of-N Random Sampling 3.1.4 Random n-out-of-N Sampling
n-out-of-N Random sampling is specified in Sections 4 and 5 of The first object in this group is
draft-ietf-psamp-sample-tech-01.txt. The first object in this group psampRandomOutOfNSamplingAvailability indicating the availability of
is psampRandomOutOfNSamplingAvailability indicating the availability this method. So far, the sub-group of objects specifying capabilities
of this method. is empty for this method.
So far, the sub-group of objects specifying capabilities is empty for EDITOR NOTE: this must be changed since we somehow can define some
this method. constraints now.
The psampRandomOutOfNSamplingParameterSetTable contains a parameter The psampRandomOutOfNSamplingParameterSetTable contains a parameter
set in each of its entries that completely specifies a configuration set in each of its entries that completely specifies a configuration
of an instance of the packet sampling method. These parameter sets of an instance of the packet sampling method. These parameter sets
are not necessarily instantiated at the managed node, but for each are not necessarily instantiated at the managed node, but for each
instanciated paramter set of this method, there MUST be an entry in instanciated paramter set of this method, there MUST be an entry in
this table. The parameter set contains a single parameter only, the this table. The parameter set contains two parameters. The first one
sampling rate. is psampRandomOutOfNSamplingPopulation and gives the number of
elements N in the parent population. The second
psampRandomOutOfNSamplingSize gives the number of elements n taken
from the parent population. With these two parameters you sample n
packets out of N.
3.1.5 Probabilistic Sampling 3.1.5 Random Uniform Probabilistic Sampling
Probabilistic sampling is specified in Sections 4 and 5 of The first object in this group is
draft-ietf-psamp-sample-tech-01.txt. The first object in this group psampRandomUniformProbabilisticSamplingAvailability indicating the
is psampRandomProbabilisticSamplingAvailability indicating the availability of this method. So far, the sub-group of objects
availability of this method. specifying capabilities is empty for this method.
So far, the sub-group of objects specifying capabilities is empty for EDITOR NOTE: this must be changed since we somehow can define some
this method. constraints now.
The psampRandomProbabilisticSamplingParameterSetTable contains a The psampRandomUniformProbabilisticSamplingParameterSetTable contains
parameter set in each of its entries that completely specifies a a parameter set in each of its entries that completely specifies a
configuration of an instance of the packet sampling method. These configuration of an instance of the packet sampling method. These
parameter sets are not necessarily instantiated at the managed node, parameter sets are not necessarily instantiated at the managed node,
but for each instanciated paramter set of this method, there MUST be but for each instanciated paramter set of this method, there MUST be
an entry in this table. The parameter set contains a single parameter an entry in this table. The parameter set contains two parameters.
only, the sampling rate. The first one is psampRandomUniformProbabilisticSamplingPopulation
and gives the number of elements N in the parent population. The
second psampRandomUniformProbabilisticSamplingSize gives the number
of elements n taken from the parent population.
3.2 The Reporting Group EDITOR NOTE: we are missing the description for the functional
difference to n-out-of-N sampling.
3.1.6 Random Non-Uniform Probabilistic Sampling
The first object in this group is
psampRandomNonUniformProbabilisticSamplingAvailability indicating the
availability of this method. So far, the sub-group of objects
specifying capabilities is empty for this method.
EDITOR NOTE: The parameter set table is also still empty and has to
done.
3.1.7 Flow State Sampling
The first object in this group is psampFlowStateSamplingAvailability
indicating the availability of this method. So far, the sub-group of
objects specifying capabilities is empty for this method.
EDITOR NOTE: The parameter set table is also still empty and has to
done.
3.2 The Filtering Methods Group
The second group contains information about the filtering methods.
This group is build up similarly to the sampling methods group. It
currently contains three filtering methods, the mask filtering, the
hash filtering and the router state filtering.
3.2.1 Mask Filtering
to be done...
3.2.2 Hash Filtering
The first object in this group is psampHashFilteringAvailability
indicating the availability of this method. So far, the sub-group of
objects specifying capabilities is empty for this method.
EDITOR NOTE: The capabilites should somehow say what hash functions
are available.
The psampHashFilteringParameterSetTable contains a parameter set in
each of its entries that completely specifies a configuration of an
instance of the packet filtering method. These parameter sets are not
necessarily instantiated at the managed node, but for each
instanciated parameter set of this method, there MUST be an entry in
this table. The parameter set contains one parameters, the
psampHashFilteringFunction contains an object ID poiting to the hash
function used.
3.2.3 Router State Filtering
to be done...
3.3 The Reporting Group
The reporting group of managed objects provides information on The reporting group of managed objects provides information on
collectors to which sampled packets are exported and they allow to collectors to which sampled packets are exported and they allow to
configure collectors. configure collectors.
The group contains a two tables, the psampCollectorTable and the The group contains a three tables, the psampCollectorTable, the
psampCollectorGroupTable. Each entry in the psampCollectorTable psampCollectorGroupTable and the psampTemplateTable. Each entry in
specifies a collector by its IP address, used transport protocol and the psampCollectorTable specifies a collector by its IP address, used
port number. Also it contains the number of reports sent to this transport protocol and port number. Also it contains the number of
collector. The psampCollectorGroupTable groups one or more collectors reports sent to this collector. The psampCollectorGroupTable groups
to a set of collectors where sampled packets are sent to. Thus one or more collectors to a set of collectors where sampled packets
reporting to more than one collector at the same time is possible. are sent to. Thus reporting to more than one collector at the same
time is possible. The psampTemplateTable list all templates that are
used by the PSAMP exporter.
3.3 The Instance Group EDITOR NOTE: The table must be completed and the templates must be
somehow linked to the collector and an instance.
3.4 The Instance Group
The instance group of managed objects provides information about The instance group of managed objects provides information about
active packet sampling instances at the managed node. It also allows active packet sampling instances at the managed node. It also allows
to create new instances and to terminate them. to create new instances and to terminate them.
The group contains a single table, the psampInstanceTable. Each The group contains a single table, the psampInstanceTable. Each
entry of this table describes an instance by the IP interface it is entry of this table describes an instance by the IP interface it is
acting at, by the packet selection methods it is executing, and by acting at, by the packet selection methods it is executing, and by
the collector to which reports on sampled packets are sent. the collector to which reports on sampled packets are sent.
Furthermore a start and stop time can be given when the sampling Furthermore a start and stop time can be given when the sampling
method should run. method should run.
Each method is specified by a reference to a method-specific Each method is specified by a reference to a method-specific
parameter set. This parameter set also defines a concatenated list of parameter set. This parameter set also defines a concatenated list of
sampling methods if supported. Collectors are specified by an index sampling methods if supported. Collectors are specified by an index
of the psampCollectorGroupTable. of the psampCollectorGroupTable.
The following statistics is available for each instance: number of The following statistics is available for each instance: number of
packets observed by the method. packets observed by the method.
4. Defnitions 4. Defnition
PSAMP-MIB DEFINITIONS ::= BEGIN PSAMP-MIB DEFINITIONS ::= BEGIN
IMPORTS IMPORTS
MODULE-IDENTITY, OBJECT-TYPE, Integer32, mib-2 MODULE-IDENTITY, OBJECT-TYPE, Integer32, mib-2
FROM SNMPv2-SMI -- RFC2578 FROM SNMPv2-SMI -- RFC2578
TEXTUAL-CONVENTION, DateAndTime, RowStatus TEXTUAL-CONVENTION, DateAndTime, RowStatus
FROM SNMPv2-TC -- RFC2579 FROM SNMPv2-TC -- RFC2579
MODULE-COMPLIANCE, OBJECT-GROUP MODULE-COMPLIANCE, OBJECT-GROUP
FROM SNMPv2-CONF -- RFC2580 FROM SNMPv2-CONF -- RFC2580
InterfaceIndex -- RFC2863 InterfaceIndex -- RFC2863
FROM IF-MIB FROM IF-MIB
InetAddressType, InetAddress InetAddressType, InetAddress
skipping to change at page 8, line 17 skipping to change at page 8, line 42
TEXTUAL-CONVENTION, DateAndTime, RowStatus TEXTUAL-CONVENTION, DateAndTime, RowStatus
FROM SNMPv2-TC -- RFC2579 FROM SNMPv2-TC -- RFC2579
MODULE-COMPLIANCE, OBJECT-GROUP MODULE-COMPLIANCE, OBJECT-GROUP
FROM SNMPv2-CONF -- RFC2580 FROM SNMPv2-CONF -- RFC2580
InterfaceIndex -- RFC2863 InterfaceIndex -- RFC2863
FROM IF-MIB FROM IF-MIB
InetAddressType, InetAddress InetAddressType, InetAddress
FROM INET-ADDRESS-MIB; -- RFC3291 FROM INET-ADDRESS-MIB; -- RFC3291
psampMIB MODULE-IDENTITY psampMIB MODULE-IDENTITY
LAST-UPDATED "200310240841Z" -- 24 October 2003 LAST-UPDATED "200401131200Z" -- 13 February 2004
ORGANIZATION "IETF Packet Sampling Working Group" ORGANIZATION "IETF Packet Sampling Working Group"
CONTACT-INFO CONTACT-INFO
"WG charter: "WG charter:
http://www.ietf.org/html.charters/psamp-charter.html http://www.ietf.org/html.charters/psamp-charter.html
Mailing Lists: Mailing Lists:
General Discussion: psamp@ops.ietf.org General Discussion: psamp@ops.ietf.org
To Subscribe: psamp-request@ops.ietf.org To Subscribe: psamp-request@ops.ietf.org
In Body: subscribe In Body: subscribe
Archive: https://ops.ietf.org/lists/psamp/ Archive: https://ops.ietf.org/lists/psamp/
skipping to change at page 8, line 48 skipping to change at page 9, line 23
DESCRIPTION DESCRIPTION
"The PSAMP MIB defines managed objects for packet sampling. "The PSAMP MIB defines managed objects for packet sampling.
These objects provide information about managed nodes These objects provide information about managed nodes
supporting packet sampling, including packet sampling supporting packet sampling, including packet sampling
capabilities, configuration and statistics. They also allow capabilities, configuration and statistics. They also allow
to configure packet sampling concerning the IP interface at to configure packet sampling concerning the IP interface at
which packets are sampled, the packet selections methods used which packets are sampled, the packet selections methods used
for sampling, and the collector to which packet samples are for sampling, and the collector to which packet samples are
exported. exported.
Copyright (C) The Internet Society (2003). This version Copyright (C) The Internet Society (2004). This version
of this MIB module is part of RFC yyyy; see the RFC of this MIB module is part of RFC yyyy; see the RFC
itself for full legal notices." itself for full legal notices."
-- RFC Ed.: replace yyyy with actual RFC number & remove this notice -- RFC Ed.: replace yyyy with actual RFC number & remove this notice
-- Revision history -- Revision history
REVISION "200310240841Z" -- 24 October 2003 REVISION "200401131200Z" -- 13 February 2004
DESCRIPTION DESCRIPTION
"Initial version, published as RFC yyyy." "Initial version, published as RFC yyyy."
-- RFC Ed.: replace yyyy with actual RFC number & remove this notice -- RFC Ed.: replace yyyy with actual RFC number & remove this notice
::= { mib-2 XXX } ::= { mib-2 XXX }
-- XXX to be assigned by IANA. -- XXX to be assigned by IANA.
-- Textual Conventions -- Textual Conventions
PsampMethodAvailability ::= TEXTUAL-CONVENTION PsampMethodAvailability ::= TEXTUAL-CONVENTION
skipping to change at page 9, line 27 skipping to change at page 10, line 4
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"Used to report the availability of a packet selection method: "Used to report the availability of a packet selection method:
available(1) - the method is supported and can be used available(1) - the method is supported and can be used
notAvailable(2) - the mothos is not available" notAvailable(2) - the mothos is not available"
SYNTAX INTEGER { SYNTAX INTEGER {
available(1), available(1),
notAvailable(2) notAvailable(2)
} }
-- Top level structure of the MIB -- Top level structure of the MIB
psampObjects OBJECT IDENTIFIER ::= { psampMIB 1 } psampObjects OBJECT IDENTIFIER ::= { psampMIB 1 }
psampConformance OBJECT IDENTIFIER ::= { psampMIB 2 } psampConformance OBJECT IDENTIFIER ::= { psampMIB 2 }
-- Packet selection methods group of objects -- Packet selection sampling methods group of objects
psampMethods OBJECT IDENTIFIER ::= { psampObjects 1 } psampSamplingMethods OBJECT IDENTIFIER ::= { psampObjects 1 }
-- Method 0: Selecting All Packets -- Method 0: Selecting All Packets
psampSelectingAll OBJECT IDENTIFIER ::= { psampMethods 0 } psampSelectingAll OBJECT IDENTIFIER ::= { psampSamplingMethods 0 }
psampSelectingAllAvailability OBJECT-TYPE psampSelectingAllAvailability OBJECT-TYPE
SYNTAX PsampMethodAvailability SYNTAX PsampMethodAvailability
MAX-ACCESS read-only MAX-ACCESS read-only
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"When retrieved, this object indicates the availability "When retrieved, this object indicates the availability
of the trivial method of selecting all packets." of the trivial method of selecting all packets."
DEFVAL { available } DEFVAL { available }
::= { psampSelectingAll 1 } ::= { psampSelectingAll 1 }
-- Method 1: Systematic Count-based Sampling -- Method 1: Systematic Count-based Sampling
psampSystematicCountBasedSampling OBJECT IDENTIFIER ::= { psampMethods 1 }
psampSystematicCountBasedSampling OBJECT IDENTIFIER ::= { psampSamplingMethods 1 }
psampSystematicCountBasedSamplingAvailability OBJECT-TYPE psampSystematicCountBasedSamplingAvailability OBJECT-TYPE
SYNTAX PsampMethodAvailability SYNTAX PsampMethodAvailability
MAX-ACCESS read-only MAX-ACCESS read-only
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"When retrieved, this object indicates the availability "When retrieved, this object indicates the availability
of systematic count-based sampling at the managed node." of systematic count-based sampling at the managed node."
DEFVAL { notAvailable } DEFVAL { notAvailable }
::= { psampSystematicCountBasedSampling 1 } ::= { psampSystematicCountBasedSampling 1 }
skipping to change at page 11, line 40 skipping to change at page 12, line 16
psampSystematicCountBasedSamplingInterval OBJECT-TYPE psampSystematicCountBasedSamplingInterval OBJECT-TYPE
SYNTAX Integer32 SYNTAX Integer32
UNITS "number of packets" UNITS "number of packets"
MAX-ACCESS read-create MAX-ACCESS read-create
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"When retrieved, this object specifies the sampling "When retrieved, this object specifies the sampling
interval for systematic count-based sampling." interval for systematic count-based sampling."
REFERENCE REFERENCE
"draft-ietf-psamp-sample-tech-01.txt, Section 5.1" "draft-ietf-psamp-sample-tech-03.txt, Section 5.1"
::= { psampSystematicCountBasedSamplingParameterSetEntry 2 } ::= { psampSystematicCountBasedSamplingParameterSetEntry 2 }
psampSystematicCountBasedSamplingSpacing OBJECT-TYPE psampSystematicCountBasedSamplingSpacing OBJECT-TYPE
SYNTAX Integer32 SYNTAX Integer32
UNITS "number of packets" UNITS "number of packets"
MAX-ACCESS read-create MAX-ACCESS read-create
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"When retrieved, this object specifies the sampling "When retrieved, this object specifies the sampling
spacing for systematic count-based sampling." spacing for systematic count-based sampling."
REFERENCE REFERENCE
"draft-ietf-psamp-sample-tech-01.txt, Section 5.1" "draft-ietf-psamp-sample-tech-03.txt, Section 5.1"
::= { psampSystematicCountBasedSamplingParameterSetEntry 3 } ::= { psampSystematicCountBasedSamplingParameterSetEntry 3 }
psampSystematicCountBasedSamplingNext OBJECT-TYPE psampSystematicCountBasedSamplingNext OBJECT-TYPE
SYNTAX OBJECT IDENTIFIER SYNTAX OBJECT IDENTIFIER
MAX-ACCESS read-create MAX-ACCESS read-create
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"When retrieved, this object specifies the the next sampling "When retrieved, this object specifies the the next sampling
method executed after the current sampling method." method executed after the current sampling method."
::= { psampSystematicCountBasedSamplingParameterSetEntry 4 } ::= { psampSystematicCountBasedSamplingParameterSetEntry 4 }
skipping to change at page 12, line 26 skipping to change at page 12, line 50
psampSystematicCountBasedSamplingRowStatus OBJECT-TYPE psampSystematicCountBasedSamplingRowStatus OBJECT-TYPE
SYNTAX RowStatus SYNTAX RowStatus
MAX-ACCESS read-create MAX-ACCESS read-create
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"The status of this row of the table." "The status of this row of the table."
::= { psampSystematicCountBasedSamplingParameterSetEntry 5 } ::= { psampSystematicCountBasedSamplingParameterSetEntry 5 }
-- Method 2: Systematic Time-based Sampling -- Method 2: Systematic Time-based Sampling
psampSystematicTimeBasedSampling OBJECT IDENTIFIER ::= { psampMethods 2 } psampSystematicTimeBasedSampling OBJECT IDENTIFIER ::= { psampSamplingMethods 2 }
psampSystematicTimeBasedSamplingAvailability OBJECT-TYPE psampSystematicTimeBasedSamplingAvailability OBJECT-TYPE
SYNTAX PsampMethodAvailability SYNTAX PsampMethodAvailability
MAX-ACCESS read-only MAX-ACCESS read-only
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"When retrieved, this object indicates the availability "When retrieved, this object indicates the availability
of systematic time-based sampling at the managed node." of systematic time-based sampling at the managed node."
DEFVAL { notAvailable } DEFVAL { notAvailable }
::= { psampSystematicTimeBasedSampling 1 } ::= { psampSystematicTimeBasedSampling 1 }
skipping to change at page 14, line 16 skipping to change at page 14, line 40
psampSystematicTimeBasedSamplingInterval OBJECT-TYPE psampSystematicTimeBasedSamplingInterval OBJECT-TYPE
SYNTAX Integer32 SYNTAX Integer32
UNITS "microseconds" -- might still be too coarse grained UNITS "microseconds" -- might still be too coarse grained
MAX-ACCESS read-create MAX-ACCESS read-create
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"When retrieved, this object specifies a sampling "When retrieved, this object specifies a sampling
interval for systematic time-based sampling." interval for systematic time-based sampling."
REFERENCE REFERENCE
"draft-ietf-psamp-sample-tech-01.txt, Section 5.1" "draft-ietf-psamp-sample-tech-03.txt, Section 5.1"
::= { psampSystematicTimeBasedSamplingParameterSetEntry 2 } ::= { psampSystematicTimeBasedSamplingParameterSetEntry 2 }
psampSystematicTimeBasedSamplingSpacing OBJECT-TYPE psampSystematicTimeBasedSamplingSpacing OBJECT-TYPE
SYNTAX Integer32 SYNTAX Integer32
UNITS "microseconds" -- might still be too coarse grained UNITS "microseconds" -- might still be too coarse grained
MAX-ACCESS read-create MAX-ACCESS read-create
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"When retrieved, this object specifies a sampling "When retrieved, this object specifies a sampling
spacing for systematic time-based sampling." spacing for systematic time-based sampling."
REFERENCE REFERENCE
"draft-ietf-psamp-sample-tech-01.txt, Section 5.1" "draft-ietf-psamp-sample-tech-03.txt, Section 5.1"
::= { psampSystematicTimeBasedSamplingParameterSetEntry 3 } ::= { psampSystematicTimeBasedSamplingParameterSetEntry 3 }
psampSystematicTimeBasedSamplingNext OBJECT-TYPE psampSystematicTimeBasedSamplingNext OBJECT-TYPE
SYNTAX OBJECT IDENTIFIER SYNTAX OBJECT IDENTIFIER
MAX-ACCESS read-create MAX-ACCESS read-create
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"When retrieved, this object specifies the the next sampling "When retrieved, this object specifies the the next sampling
method executed after the current sampling method." method executed after the current sampling method."
::= { psampSystematicTimeBasedSamplingParameterSetEntry 4 } ::= { psampSystematicTimeBasedSamplingParameterSetEntry 4 }
skipping to change at page 14, line 50 skipping to change at page 15, line 26
psampSystematicTimeBasedSamplingRowStatus OBJECT-TYPE psampSystematicTimeBasedSamplingRowStatus OBJECT-TYPE
SYNTAX RowStatus SYNTAX RowStatus
MAX-ACCESS read-create MAX-ACCESS read-create
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"The status of this row of the table." "The status of this row of the table."
::= { psampSystematicTimeBasedSamplingParameterSetEntry 5 } ::= { psampSystematicTimeBasedSamplingParameterSetEntry 5 }
-- Method 3: Random n-out-of-N Sampling -- Method 3: Random n-out-of-N Sampling
psampRandomOutOfNSampling OBJECT IDENTIFIER ::= { psampMethods 3 } psampRandomOutOfNSampling OBJECT IDENTIFIER ::= { psampSamplingMethods 3 }
psampRandomOutOfNSamplingAvailability OBJECT-TYPE psampRandomOutOfNSamplingAvailability OBJECT-TYPE
SYNTAX PsampMethodAvailability SYNTAX PsampMethodAvailability
MAX-ACCESS read-only MAX-ACCESS read-only
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"When retrieved, this object indicates the availability "When retrieved, this object indicates the availability
of random n-out-of-N sampling at the managed node." of random n-out-of-N sampling at the managed node."
DEFVAL { notAvailable } DEFVAL { notAvailable }
::= { psampRandomOutOfNSampling 1 } ::= { psampRandomOutOfNSampling 1 }
skipping to change at page 15, line 43 skipping to change at page 16, line 19
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"Defines an entry in the "Defines an entry in the
psampRandomOutOfNSamplingParameterSetTable." psampRandomOutOfNSamplingParameterSetTable."
INDEX { psampRandomOutOfNSamplingIndex } INDEX { psampRandomOutOfNSamplingIndex }
::= { psampRandomOutOfNSamplingParameterSetTable 1 } ::= { psampRandomOutOfNSamplingParameterSetTable 1 }
PsampRandomOutOfNSamplingParameterSetEntry ::= PsampRandomOutOfNSamplingParameterSetEntry ::=
SEQUENCE { SEQUENCE {
psampRandomOutOfNSamplingIndex Integer32, psampRandomOutOfNSamplingIndex Integer32,
psampRandomOutOfNSamplingRate Integer32, psampRandomOutOfNSamplingPopulation Integer32,
psampRandomOutOfNSamplingSize Integer32,
psampRandomOutOfNSamplingNext OBJECT IDENTIFIER, psampRandomOutOfNSamplingNext OBJECT IDENTIFIER,
psampRandomOutOfNSamplingRowStatus RowStatus psampRandomOutOfNSamplingRowStatus RowStatus
} }
psampRandomOutOfNSamplingIndex OBJECT-TYPE psampRandomOutOfNSamplingIndex OBJECT-TYPE
SYNTAX Integer32 (1..2147483647) SYNTAX Integer32 (1..2147483647)
MAX-ACCESS not-accessible MAX-ACCESS not-accessible
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"The index of this parameter set in the "The index of this parameter set in the
psampRandomOutOfNSamplingParameterSetTable. psampRandomOutOfNSamplingParameterSetTable.
It is used in entries of the psampInstanceTable as It is used in entries of the psampInstanceTable as
reference to this parameter set." reference to this parameter set."
::= { psampRandomOutOfNSamplingParameterSetEntry 1 } ::= { psampRandomOutOfNSamplingParameterSetEntry 1 }
psampRandomOutOfNSamplingRate OBJECT-TYPE psampRandomOutOfNSamplingPopulation OBJECT-TYPE
SYNTAX Integer32 SYNTAX Integer32
UNITS "1/1000000" UNITS "packets"
MAX-ACCESS read-create MAX-ACCESS read-create
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"When retrieved, this object specifies a sampling "When retrieved, this object specifies the number
rate for random n-out-of-N sampling." of elements in the parent population of the sampling
algorithm."
REFERENCE REFERENCE
"draft-ietf-psamp-sample-tech-01.txt, Section 5.2" "draft-ietf-psamp-sample-tech-03.txt, Section 5.1"
::= { psampRandomOutOfNSamplingParameterSetEntry 2 } ::= { psampRandomOutOfNSamplingParameterSetEntry 2 }
psampRandomOutOfNSamplingSize OBJECT-TYPE
SYNTAX Integer32
UNITS "packets"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"When retrieved, this object specifies the number
of elements that are sampled from the parent
population of the sampling algorithm."
REFERENCE
"draft-ietf-psamp-sample-tech-03.txt, Section 5.1"
::= { psampRandomOutOfNSamplingParameterSetEntry 3 }
psampRandomOutOfNSamplingNext OBJECT-TYPE psampRandomOutOfNSamplingNext OBJECT-TYPE
SYNTAX OBJECT IDENTIFIER SYNTAX OBJECT IDENTIFIER
MAX-ACCESS read-create MAX-ACCESS read-create
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"When retrieved, this object specifies the the next sampling "When retrieved, this object specifies the the next sampling
method executed after the current sampling method." method executed after the current sampling method."
::= { psampRandomOutOfNSamplingParameterSetEntry 3 } ::= { psampRandomOutOfNSamplingParameterSetEntry 4 }
psampRandomOutOfNSamplingRowStatus OBJECT-TYPE psampRandomOutOfNSamplingRowStatus OBJECT-TYPE
SYNTAX RowStatus SYNTAX RowStatus
MAX-ACCESS read-create MAX-ACCESS read-create
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"The status of this row of the table." "The status of this row of the table."
::= { psampRandomOutOfNSamplingParameterSetEntry 4 } ::= { psampRandomOutOfNSamplingParameterSetEntry 5 }
-- Method 4: Random Probabilistic Sampling -- Method 4: Random Uniform Probabilistic Sampling
psampRandomProbabilisticSampling OBJECT IDENTIFIER ::= { psampMethods 4 } psampRandomUniformProbabilisticSampling OBJECT IDENTIFIER ::= { psampSamplingMethods 4 }
psampRandomProbabilisticSamplingAvailability OBJECT-TYPE psampRandomUniformProbabilisticSamplingAvailability OBJECT-TYPE
SYNTAX PsampMethodAvailability SYNTAX PsampMethodAvailability
MAX-ACCESS read-only MAX-ACCESS read-only
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"When retrieved, this object indicates the availability "When retrieved, this object indicates the availability
of random probabilisticf sampling at the managed node." of random uniform probabilistic sampling at the managed node."
DEFVAL { notAvailable } DEFVAL { notAvailable }
::= { psampRandomProbabilisticSampling 1 } ::= { psampRandomUniformProbabilisticSampling 1 }
psampRandomProbabilisticSamplingCapabilities OBJECT IDENTIFIER psampRandomUniformProbabilisticSamplingCapabilities OBJECT IDENTIFIER
::= { psampRandomProbabilisticSampling 2 } ::= { psampRandomUniformProbabilisticSampling 2 }
-- No capabilities defined, yet. -- No capabilities defined, yet.
psampRandomProbabilisticSamplingParameterSetTable OBJECT-TYPE psampRandomUniformProbabilisticSamplingParameterSetTable OBJECT-TYPE
SYNTAX SEQUENCE OF SYNTAX SEQUENCE OF
PsampRandomProbabilisticSamplingParameterSetEntry PsampRandomUniformProbabilisticSamplingParameterSetEntry
MAX-ACCESS not-accessible MAX-ACCESS not-accessible
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"This table lists configurations of random probabilistic "This table lists configurations of random probabilistic
sampling. A parameter set describing a configuration sampling. A parameter set describing a configuration
contains a single parameter only: the sampling rate." contains a single parameter only: the sampling rate."
::= { psampRandomProbabilisticSampling 3 } ::= { psampRandomUniformProbabilisticSampling 3 }
psampRandomProbabilisticSamplingParameterSetEntry OBJECT-TYPE psampRandomUniformProbabilisticSamplingParameterSetEntry OBJECT-TYPE
SYNTAX PsampRandomProbabilisticSamplingParameterSetEntry SYNTAX PsampRandomUniformProbabilisticSamplingParameterSetEntry
MAX-ACCESS not-accessible MAX-ACCESS not-accessible
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"Defines an entry in the "Defines an entry in the
psampRandomProbabilisticSamplingParameterSetTable." psampRandomUniformProbabilisticSamplingParameterSetTable."
INDEX { psampRandomProbabilisticSamplingIndex } INDEX { psampRandomUniformProbabilisticSamplingIndex }
::= { psampRandomProbabilisticSamplingParameterSetTable 1 } ::= { psampRandomUniformProbabilisticSamplingParameterSetTable 1 }
PsampRandomProbabilisticSamplingParameterSetEntry ::= PsampRandomUniformProbabilisticSamplingParameterSetEntry ::=
SEQUENCE { SEQUENCE {
psampRandomProbabilisticSamplingIndex Integer32, psampRandomUniformProbabilisticSamplingIndex Integer32,
psampRandomProbabilisticSamplingRate Integer32, psampRandomUniformProbabilisticSamplingPopulation Integer32,
psampRandomProbabilisticSamplingNext OBJECT IDENTIFIER, psampRandomUniformProbabilisticSamplingSize Integer32,
psampRandomProbabilisticSamplingRowStatus RowStatus psampRandomUniformProbabilisticSamplingNext OBJECT IDENTIFIER,
psampRandomUniformProbabilisticSamplingRowStatus RowStatus
} }
psampRandomProbabilisticSamplingIndex OBJECT-TYPE psampRandomUniformProbabilisticSamplingIndex OBJECT-TYPE
SYNTAX Integer32 (1..2147483647) SYNTAX Integer32 (1..2147483647)
MAX-ACCESS not-accessible MAX-ACCESS not-accessible
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"The index of this parameter set in the "The index of this parameter set in the
psampRandomProbabilisticSamplingParameterSetTable. psampRandomUniformProbabilisticSamplingParameterSetTable.
It is used in entries of the psampInstanceTable as It is used in entries of the psampInstanceTable as
reference to this parameter set." reference to this parameter set."
::= { psampRandomProbabilisticSamplingParameterSetEntry 1 } ::= { psampRandomUniformProbabilisticSamplingParameterSetEntry 1 }
psampRandomProbabilisticSamplingRate OBJECT-TYPE psampRandomUniformProbabilisticSamplingPopulation OBJECT-TYPE
SYNTAX Integer32 SYNTAX Integer32
UNITS "1/1000000" UNITS "packets"
MAX-ACCESS read-create MAX-ACCESS read-create
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"When retrieved, this object specifies a sampling "When retrieved, this object specifies the number
rate for random probabilistic sampling." of elements in the parent population of the sampling
algorithm."
REFERENCE REFERENCE
"draft-ietf-psamp-sample-tech-01.txt, Section 5.2" "draft-ietf-psamp-sample-tech-03.txt, Section 5.1"
::= { psampRandomProbabilisticSamplingParameterSetEntry 2 } ::= { psampRandomUniformProbabilisticSamplingParameterSetEntry 2 }
psampRandomProbabilisticSamplingNext OBJECT-TYPE psampRandomUniformProbabilisticSamplingSize OBJECT-TYPE
SYNTAX Integer32
UNITS "packets"
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"When retrieved, this object specifies the number
of elements that are sampled from the parent
population of the sampling algorithm."
REFERENCE
"draft-ietf-psamp-sample-tech-03.txt, Section 5.1"
::= { psampRandomUniformProbabilisticSamplingParameterSetEntry 3 }
psampRandomUniformProbabilisticSamplingNext OBJECT-TYPE
SYNTAX OBJECT IDENTIFIER SYNTAX OBJECT IDENTIFIER
MAX-ACCESS read-create MAX-ACCESS read-create
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"When retrieved, this object specifies the the next sampling "When retrieved, this object specifies the the next sampling
method executed after the current sampling method." method executed after the current sampling method."
::= { psampRandomProbabilisticSamplingParameterSetEntry 3 } ::= { psampRandomUniformProbabilisticSamplingParameterSetEntry 4 }
psampRandomProbabilisticSamplingRowStatus OBJECT-TYPE psampRandomUniformProbabilisticSamplingRowStatus OBJECT-TYPE
SYNTAX RowStatus SYNTAX RowStatus
MAX-ACCESS read-create MAX-ACCESS read-create
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"The status of this row of the table." "The status of this row of the table."
::= { psampRandomProbabilisticSamplingParameterSetEntry 4 } ::= { psampRandomUniformProbabilisticSamplingParameterSetEntry 5 }
-- Method 5: Random Non-Uniform Probabilistic Sampling
psampRandomNonUniformProbabilisticSampling OBJECT IDENTIFIER ::= { psampSamplingMethods 5 }
psampRandomNonUniformProbabilisticSamplingAvailability OBJECT-TYPE
SYNTAX PsampMethodAvailability
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"When retrieved, this object indicates the availability
of random non-uniform probabilistic sampling at the managed node."
DEFVAL { notAvailable }
::= { psampRandomNonUniformProbabilisticSampling 1 }
-- Method 6: Flow State Sampling
psampFlowStateSampling OBJECT IDENTIFIER ::= { psampSamplingMethods 6 }
psampFlowStateSamplingAvailability OBJECT-TYPE
SYNTAX PsampMethodAvailability
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"When retrieved, this object indicates the availability
of flow state sampling at the managed node."
DEFVAL { notAvailable }
::= { psampFlowStateSampling 1 }
-- Packet selection filtering methods group of objects
psampFilteringMethods OBJECT IDENTIFIER ::= { psampObjects 2 }
-- Method 0: Mask filtering
psampMaskFiltering OBJECT IDENTIFIER ::= { psampFilteringMethods 0 }
psampMaskFilteringAvailability OBJECT-TYPE
SYNTAX PsampMethodAvailability
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"When retrieved, this object indicates the availability
of mask filtering at the managed node."
DEFVAL { notAvailable }
::= { psampMaskFiltering 1 }
-- to be defined in the next version
-- Method 1: Hash filtering
psampHashFiltering OBJECT IDENTIFIER ::= { psampFilteringMethods 1 }
psampHashFilteringAvailability OBJECT-TYPE
SYNTAX PsampMethodAvailability
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"When retrieved, this object indicates the availability
of hash filtering at the managed node."
DEFVAL { notAvailable }
::= { psampHashFiltering 1 }
psampHashFilteringCapabilities OBJECT IDENTIFIER
::= { psampHashFiltering 2 }
-- not defined yet
psampHashFilteringParameterSetTable OBJECT-TYPE
SYNTAX SEQUENCE OF
PsampHashFilteringParameterSetEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table lists configurations of hash filtering.
A parameter set describing a configuration
contains one parameter: the hash function used."
::= { psampHashFiltering 3 }
psampHashFilteringParameterSetEntry OBJECT-TYPE
SYNTAX PsampHashFilteringParameterSetEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Defines an entry in the
psampHashFilteringParameterSetTable."
INDEX { psampHashFilteringIndex }
::= { psampHashFilteringParameterSetTable 1 }
PsampHashFilteringParameterSetEntry ::=
SEQUENCE {
psampHashFilteringIndex Integer32,
psampHashFilteringFunction OBJECT IDENTIFIER,
psampHashFilteringNext OBJECT IDENTIFIER,
psampHashFilteringRowStatus RowStatus
}
psampHashFilteringIndex OBJECT-TYPE
SYNTAX Integer32 (1..2147483647)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The index of this parameter set in the
psampHashFilteringParameterSetTable.
It is used in entries of the psampInstanceTable as
reference to this parameter set."
::= { psampHashFilteringParameterSetEntry 1 }
psampHashFilteringFunction OBJECT-TYPE
SYNTAX OBJECT IDENTIFIER
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"When retrieved, this object specifies the the hash
function executed by the current filtering method."
::= { psampHashFilteringParameterSetEntry 2 }
psampHashFilteringNext OBJECT-TYPE
SYNTAX OBJECT IDENTIFIER
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"When retrieved, this object specifies the the next sampling
method executed after the current sampling method."
::= { psampHashFilteringParameterSetEntry 3 }
psampHashFilteringRowStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The status of this row of the table."
::= { psampHashFilteringParameterSetEntry 4 }
-- Method 2: Router State filtering
psampRouterStateFiltering OBJECT IDENTIFIER ::= { psampFilteringMethods 2 }
psampRouterStateFilteringAvailability OBJECT-TYPE
SYNTAX PsampMethodAvailability
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"When retrieved, this object indicates the availability
of mask filtering at the managed node."
DEFVAL { notAvailable }
::= { psampRouterStateFiltering 1 }
-- to be defined in the next version
-- Reporting Group -- Reporting Group
psampReporting OBJECT IDENTIFIER ::= { psampObjects 2 } psampReporting OBJECT IDENTIFIER ::= { psampObjects 3 }
psampCollectorTable OBJECT-TYPE psampCollectorTable OBJECT-TYPE
SYNTAX SEQUENCE OF PsampCollectorEntry SYNTAX SEQUENCE OF PsampCollectorEntry
MAX-ACCESS not-accessible MAX-ACCESS not-accessible
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"This table lists collectors to which sampled packets are "This table lists collectors to which sampled packets are
exported." exported."
::= { psampReporting 1 } ::= { psampReporting 1 }
skipping to change at page 21, line 37 skipping to change at page 25, line 47
::= { psampCollectorGroupEntry 2 } ::= { psampCollectorGroupEntry 2 }
psampCollectorGroupRowStatus OBJECT-TYPE psampCollectorGroupRowStatus OBJECT-TYPE
SYNTAX RowStatus SYNTAX RowStatus
MAX-ACCESS read-create MAX-ACCESS read-create
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"The status of this row of the table." "The status of this row of the table."
::= { psampCollectorGroupEntry 3 } ::= { psampCollectorGroupEntry 3 }
psampTemplateTable OBJECT-TYPE
SYNTAX SEQUENCE OF PsampTemplateEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table lists templates used by the exporter."
::= { psampReporting 3 }
psampTemplateEntry OBJECT-TYPE
SYNTAX PsampTemplateEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Defines an entry in the psampTemplateTable."
INDEX { psampTemplateIndex }
::= { psampTemplateTable 1 }
PsampTemplateEntry ::= SEQUENCE {
psampTemplateIndex Integer32,
psampTemplateId Integer32,
psampTemplateReportsSent Integer32,
psampTemplateRowStatus RowStatus
}
psampTemplateIndex OBJECT-TYPE
SYNTAX Integer32 (1..2147483647)
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The locally arbitrary, but unique identifier of
a template.
The value is expected to remain constant at least from one
re-initialization of the entity's network management system
to the next re-initialization."
::= { psampTemplateEntry 1 }
psampTemplateId OBJECT-TYPE
SYNTAX Integer32 (1..2147483647)
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The unique identifier for the template."
REFERENCE
"draft-ietf-ipfix-protocol-02.txt"
::= { psampTemplateEntry 2 }
psampTemplateReportsSent OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of reports sent with this template."
::= { psampTemplateEntry 3 }
psampTemplateRowStatus OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The status of this row of the table."
::= { psampTemplateEntry 4 }
-- Instance Group -- Instance Group
psampInstances OBJECT IDENTIFIER ::= { psampObjects 3 } psampInstances OBJECT IDENTIFIER ::= { psampObjects 4 }
psampInstanceTable OBJECT-TYPE psampInstanceTable OBJECT-TYPE
SYNTAX SEQUENCE OF PsampInstanceEntry SYNTAX SEQUENCE OF PsampInstanceEntry
MAX-ACCESS not-accessible MAX-ACCESS not-accessible
STATUS current STATUS current
DESCRIPTION DESCRIPTION
"This table lists active instances of packet sampling at "This table lists active instances of packet sampling at
the managed node." the managed node."
::= { psampInstances 1 } ::= { psampInstances 1 }
skipping to change at page 24, line 49 skipping to change at page 30, line 27
psampSystematicCountBasedSamplingRowStatus, psampSystematicCountBasedSamplingRowStatus,
psampSystematicTimeBasedSamplingAvailability, psampSystematicTimeBasedSamplingAvailability,
psampSystematicTimeBasedSamplingMaxInterval, psampSystematicTimeBasedSamplingMaxInterval,
psampSystematicTimeBasedSamplingMaxSpacing, psampSystematicTimeBasedSamplingMaxSpacing,
psampSystematicTimeBasedSamplingInterval, psampSystematicTimeBasedSamplingInterval,
psampSystematicTimeBasedSamplingInterval, psampSystematicTimeBasedSamplingInterval,
psampSystematicTimeBasedSamplingSpacing, psampSystematicTimeBasedSamplingSpacing,
psampSystematicTimeBasedSamplingNext, psampSystematicTimeBasedSamplingNext,
psampSystematicTimeBasedSamplingRowStatus, psampSystematicTimeBasedSamplingRowStatus,
psampRandomOutOfNSamplingAvailability, psampRandomOutOfNSamplingAvailability,
psampRandomOutOfNSamplingRate, psampRandomOutOfNSamplingPopulation,
psampRandomOutOfNSamplingSize,
psampRandomOutOfNSamplingNext, psampRandomOutOfNSamplingNext,
psampRandomOutOfNSamplingRowStatus, psampRandomOutOfNSamplingRowStatus,
psampRandomProbabilisticSamplingAvailability, psampRandomUniformProbabilisticSamplingAvailability,
psampRandomProbabilisticSamplingRate, psampRandomUniformProbabilisticSamplingPopulation,
psampRandomProbabilisticSamplingNext, psampRandomUniformProbabilisticSamplingSize,
psampRandomProbabilisticSamplingRowStatus, psampRandomUniformProbabilisticSamplingNext,
psampRandomUniformProbabilisticSamplingRowStatus,
psampRandomNonUniformProbabilisticSamplingAvailability,
psampFlowStateSamplingAvailability,
psampMaskFilteringAvailability,
psampHashFilteringAvailability,
psampHashFilteringFunction,
psampHashFilteringNext,
psampHashFilteringRowStatus,
psampRouterStateFilteringAvailability,
psampCollectorTargetIpAddressType, psampCollectorTargetIpAddressType,
psampCollectorTargetIpAddress, psampCollectorTargetIpAddress,
psampCollectorTargetProtocol, psampCollectorTargetProtocol,
psampCollectorTargetPort, psampCollectorTargetPort,
psampCollectorReportsSent, psampCollectorReportsSent,
psampCollectorRowStatus, psampCollectorRowStatus,
psampCollectorGroupRowStatus, psampCollectorGroupRowStatus,
psampTemplateId,
psampTemplateReportsSent,
psampTemplateRowStatus,
psampInstanceIfIndex, psampInstanceIfIndex,
psampInstanceStartTime, psampInstanceStartTime,
psampInstanceStopTime, psampInstanceStopTime,
psampInstanceParameterSet, psampInstanceParameterSet,
psampInstanceCollectorGroupIndex, psampInstanceCollectorGroupIndex,
psampInstancePacketsObserved, psampInstancePacketsObserved,
psampInstanceReportsSent, psampInstanceReportsSent,
psampInstanceRowStatus psampInstanceRowStatus
} }
STATUS current STATUS current
skipping to change at page 26, line 4 skipping to change at page 31, line 42
To be done. To be done.
6. Open Issues 6. Open Issues
o describe row status objects to writable tables o describe row status objects to writable tables
o support for reporting from a single instance to multiple o support for reporting from a single instance to multiple
collectors may be refined collectors may be refined
o elaborate conformance statements o elaborate conformance statements
o complete security considerations o complete security considerations
o observed packets may be expanded to number of packets before o observed packets may be expanded to number of packets before
sampling and after sampling or something similar. sampling and after sampling or something similar.
o align wording with the other draft documents (e.g. instance vs. o align wording with the other draft documents (e.g. instance vs.
selector) selector)
o finish template table and link it with the other elements.
o implement observation point for the sampling/filtering methods.
o restrict MIB names to 32 characters
o ... o ...
7. Acknowledgment 7. Acknowledgment
This document is a product of the PSAMP working group. This document is a product of the PSAMP working group.
Normative References Normative References
[I-D.ietf-psamp-framework]
Duffield, N., "A Framework for Passive Packet
Measurement", draft-ietf-psamp-framework-05 (work in
progress), January 2004.
[I-D.ietf-psamp-sample-tech]
Zseby, T., Molina, M., Raspall, F. and N. Duffield,
"Sampling and Filtering Techniques for IP Packet
Selection", draft-ietf-psamp-sample-tech-03 (work in
progress), October 2003.
[I-D.ietf-psamp-protocol]
Claise, B., "Packet Sampling (PSAMP) Protocol
Specifications", draft-ietf-psamp-protocol-00 (work in
progress), October 2003.
[RFC2578] McCloghrie, K., Perkins, D. and J. Schoenwaelder, [RFC2578] McCloghrie, K., Perkins, D. and J. Schoenwaelder,
"Structure of Management Information Version 2 (SMIv2)", "Structure of Management Information Version 2 (SMIv2)",
STD 58, RFC 2578, April 1999. STD 58, RFC 2578, April 1999.
[RFC2579] McCloghrie, K., Perkins, D. and J. Schoenwaelder, "Textual [RFC2579] McCloghrie, K., Perkins, D. and J. Schoenwaelder, "Textual
Conventions for SMIv2", STD 58, RFC 2579, April 1999. Conventions for SMIv2", STD 58, RFC 2579, April 1999.
[RFC2580] McCloghrie, K., Perkins, D. and J. Schoenwaelder, [RFC2580] McCloghrie, K., Perkins, D. and J. Schoenwaelder,
"Conformance Statements for SMIv2", STD 58, RFC 2580, "Conformance Statements for SMIv2", STD 58, RFC 2580,
April 1999. April 1999.
skipping to change at page 28, line 29 skipping to change at page 34, line 29
be obtained from the IETF Secretariat. be obtained from the IETF Secretariat.
The IETF invites any interested party to bring to its attention any The IETF invites any interested party to bring to its attention any
copyrights, patents or patent applications, or other proprietary copyrights, patents or patent applications, or other proprietary
rights which may cover technology that may be required to practice rights which may cover technology that may be required to practice
this standard. Please address the information to the IETF Executive this standard. Please address the information to the IETF Executive
Director. Director.
Full Copyright Statement Full Copyright Statement
Copyright (C) The Internet Society (2003). All Rights Reserved. Copyright (C) The Internet Society (2004). All Rights Reserved.
This document and translations of it may be copied and furnished to This document and translations of it may be copied and furnished to
others, and derivative works that comment on or otherwise explain it others, and derivative works that comment on or otherwise explain it
or assist in its implementation may be prepared, copied, published or assist in its implementation may be prepared, copied, published
and distributed, in whole or in part, without restriction of any and distributed, in whole or in part, without restriction of any
kind, provided that the above copyright notice and this paragraph are kind, provided that the above copyright notice and this paragraph are
included on all such copies and derivative works. However, this included on all such copies and derivative works. However, this
document itself may not be modified in any way, such as by removing document itself may not be modified in any way, such as by removing
the copyright notice or references to the Internet Society or other the copyright notice or references to the Internet Society or other
Internet organizations, except as needed for the purpose of Internet organizations, except as needed for the purpose of
 End of changes. 

This html diff was produced by rfcdiff 1.23, available from http://www.levkowetz.com/ietf/tools/rfcdiff/