Network Working Group
INTERNET-DRAFT M.Venkatesan
Intended Status: Standards Track Dell Inc.
Expires: September 13, 2012 Kannan KV Sampath
Aricent
Sam K. Aldrin
Huawei Technologies
Thomas D. Nadeau
CA Technologies
March 12, 2012
MPLS-TP Traffic Engineering (TE) Management Information Base (MIB)
draft-ietf-mpls-tp-te-mib-02.txt
Abstract
This memo defines a portion of the Management Information Base (MIB)
for use with network management protocols in the Internet community.
In particular, it describes managed objects of Tunnels, Identifiers,
Label Switch Router and Textual conventions for Multiprotocol Label
Switching (MPLS) based Transport Profile (TP).
Status of this Memo
This Internet-Draft is submitted to IETF in full conformance with the
provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering
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This Internet-Draft will expire on September 13, 2012.
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Copyright and License Notice
Copyright (c) 2012 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of
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the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Table of Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3
2. The Internet-Standard Management Framework . . . . . . . . . . 3
3. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.1 Conventions used in this document . . . . . . . . . . . . . 3
3.2 Terminology . . . . . . . . . . . . . . . . . . . . . . . . 3
3.3 Acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . 3
4. Motivations . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5. Feature List . . . . . . . . . . . . . . . . . . . . . . . . . 4
6. Brief description of MIB Objects . . . . . . . . . . . . . . . 4
6.1. mplsNodeConfigTable . . . . . . . . . . . . . . . . . . . 5
6.2. mplsNodeIpMapTable . . . . . . . . . . . . . . . . . . . . 5
6.3. mplsNodeIccMapTable . . . . . . . . . . . . . . . . . . . 6
6.4.mplsTunnelExtTable . . . . . . . . . . . . . . . . . . . . . 6
7. MIB Module Interdependencies . . . . . . . . . . . . . . . . . 6
8. Dependencies between MIB Module Tables . . . . . . . . . . . . 8
9. Example of MPLS-TP tunnel setup . . . . . . . . . . . . . . . . 8
10. MPLS Textual Convention Extension MIB definitions . . . . . . 13
11. MPLS Identifier MIB definitions . . . . . . . . . . . . . . . 16
12. MPLS LSR Extension MIB definitions . . . . . . . . . . . . . . 20
13. MPLS Tunnel Extension MIB definitions . . . . . . . . . . . . 24
14. Security Consideration . . . . . . . . . . . . . . . . . . . . 36
15. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 37
16. References . . . . . . . . . . . . . . . . . . . . . . . . . . 37
16.1 Normative References . . . . . . . . . . . . . . . . . . . 37
16.2 Informative References . . . . . . . . . . . . . . . . . . 38
17. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 38
18. Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . 38
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1 Introduction
This memo defines a portion of the Management Information Base (MIB)
for use with network management protocols in the Internet community.
In particular, it describes managed objects of Tunnels, Identifiers,
Label Switch Router and Textual conventions for Multiprotocol Label
Switching (MPLS) based Transport Profile (TP).
This MIB module should be used in conjunction with the MPLS traffic
Engineering MIB [RFC3812] and companion document MPLS Label Switch
Router MIB [RFC3813] for MPLS based traffic engineering configuration
and management.
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "MAY", and "OPTIONAL" in this document are to
be interpreted as described in BCP 14, RFC2119.
2. The Internet-Standard Management Framework
For a detailed overview of the documents that describe the current
Internet-Standard Management Framework, please refer to section 7 of
RFC3410 [RFC3410].
Managed objects are accessed via a virtual information store, termed
the Management Information Base or MIB. MIB objects are generally
accessed through the Simple Network Management Protocol (SNMP).
Objects in the MIB are defined using the mechanisms defined in the
Structure of Management Information (SMI). This memo specifies a MIB
module that is compliant to the SMIv2, which is described in STD 58,
RFC2578, STD 58, RFC2579 and STD58, RFC2580.
3. Overview
3.1 Conventions used in this document
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in [RFC2119].
3.2 Terminology
This document uses terminology from the MPLS architecture document
[RFC3031], MPLS Traffic Engineering Management information [RFC3812],
MPLS Label Switch Router MIB [RFC3813] and MPLS-TP Identifiers
document [RFC6370].
3.3 Acronyms
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GMPLS: Generalized Multi-Protocol Label Switching
ICC: ITU Carrier Code
IP: Internet Protocol
LSP: Label Switching Path
LSR: Label Switching Router
MIB: Management Information Base
MPLS: Multi-Protocol Label Switching
MPLS-TP: MPLS Transport Profile
OSPF: Open Shortest Path First
PW: Pseudowire
TE: Traffic Engineering
TP: Transport Profile
4. Motivations
The existing MPLS TE [RFC3812] and GMPLS MIBs [RFC4802] do not
support the transport network requirements of NON-IP based management
and static bidirectional tunnels.
5. Feature List
The MPLS transport profile MIB module is designed to satisfy the
following requirements and constraints:
The MIB module supports point-to-point, co-routed bi-directional
associated bi-directional tunnels.
- The MPLS tunnels need not be interfaces, but it is possible
to configure a TP tunnel as an interface.
- The mplsTunnelTable [RFC3812] to be also used for MPLS-TP
tunnels
- The mplsTunnelTable is extended to support MPLS-TP specific
objects.
- A node configuration table (mplsNodeConfigTable) is used to
translate the Global_Node_ID or ICC to the local identifier
in order to index mplsTunnelTable.
- The MIB module supports persistent, as well as non-persistent
tunnels.
6. Brief description of MIB Objects
The objects described in this section support the functionality
described in documents [RFC5654] and [RFC6370]. The tables support
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both IP compatible and ICC based tunnel configurations.
6.1. mplsNodeConfigTable
The mplsNodeConfigTable is used to assign a local identifier for a
given ICC or Global_Node_ID combination as defined in [RFC6370].
An ICC is a string of one to six characters, each character being
either alphabetic (i.e. A-Z) or numeric (i.e. 0-9) characters.
Alphabetic characters in the ICC should be represented
with upper case letters. In the IP compatible mode,
Global_Node_ID, is used to uniquely identify a node.
Each ICC or Global_Node_ID contains one unique entry in the
table representing a node. Every node is assigned a local identifier
within a range of 0 to 16777215. This local identifier is used for
indexing into mplsTunnelTable as mplsTunnelIngressLSRId and
mplsTunnelEgressLSRId.
For IP compatible environment, MPLS-TP tunnel is indexed by Tunnel
Index, Tunnel Instance, Source Global_ID, Source Node_ID, Destination
Global_ID and Destination Node_ID.
For ICC based environment, MPLS-TP tunnel is indexed by Tunnel Index,
Tunnel Instance, Source ICC and Destination ICC.
As mplsTunnelTable is indexed by mplsTunnelIndex,
mplsTunnelInstance, mplsTunnelIngressLSRId, and
mplsTunnelEgressLSRId, the MPLS-TP tunnel identifiers cannot be
used directly.
The mplsNodeConfigTable will be used to store an entry for ICC or
Global_Node_ID with a local identifier to be used as LSR ID
in mplsTunnelTable. As the regular TE tunnels use IP address as LSR
ID, the local identifier should be below the first valid IP address,
which is 16777216[1.0.0.0].
6.2. mplsNodeIpMapTable
The read-only mplsNodeIpMaptable is used to query the local
identifier assigned and stored in mplsNodeConfigTable for a given
Global_Node_ID. In order to query the local identifier,
in the IP compatible mode, this table is indexed with Global_Node_ID.
In the IP compatible mode for a TP tunnel, Global_Node_ID
is used.
A separate query is made to get the local identifier of both
Ingress and Egress Global_Node_ID identifiers. These local
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identifiers are used as mplsTunnelIngressLSRId and
mplsTunnelEgressLSRId, while indexing mplsTunnelTable.
6.3. mplsNodeIccMapTable
The read-only mplsNodeIccMapTable is used to query the local
identifier assigned and stored in the mplsNodeConfigTable
for a given ICC.
A separate query is made to get the local identifier of both
Ingress and Egress ICC. These local identifiers are used as
mplsTunnelIngressLSRId and mplsTunnelEgressLSRId,
while indexing mplsTunnelTable.
6.4.mplsTunnelExtTable
mplsTunnelExtTable extends the mplsTunnelTable to add MPLS-TP tunnel
specific additional objects. All the additional attributes specific
to TP tunnel are contained in this extended table and could be
accessed with the mplsTunnelTable indices.
6.5 mplsTunnelReversePerfTable
This table augments the mplsTunnelTable to provide per-tunnel packet
performance information for the reverse direction of a bidirectional
tunnel. It can be seen as supplementing the mplsTunnelPerfTable,
which augments the mplsTunnelTable.
7. MIB Module Interdependencies
This section provides an overview of the relationship between the
MPLS-TP TE MIB module and other MPLS MIB modules.
The arrows in the following diagram show a 'depends on'
relationship. A relationship "MIB module A depends on MIB module B"
means that MIB module A uses an object, object identifier, or
textual convention defined in MIB module B, or that MIB module A
contains a pointer (index or RowPointer) to an object in
MIB module B.
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MPLS-TC-EXT-STD-MIB
^
|
|
+<---- MPLS-ID-STD-MIB
^
| |
+<---- MPLS-TE-EXT-STD-MIB
| |
| V
| MPLS-TE-STD-MIB
| |
| |
| V
| MPLS-LSR-STD-MIB
| ^
| |
| |
+------MPLS-LSR-EXT-STD-MIB
Thus:
- All the new MPLS extension MIB modules depend on
MPLS-TC-EXT-STD-MIB.
- MPLS-TE-STD-MIB [RFC3812] contains references to objects in
MPLS-ID-STD-MIB.
- MPLS-TE-EXT-STD-MIB contains references to objects in
MPLS-TE-STD-MIB [RFC3812].
- MPLS-LSR-EXT-STD-MIB contains references to objects in
MPLS-LSR-STD-MIB [RFC3813].
MPLS-TE-STD-MIB [RFC3812] is extended by MPLS-TE-EXT-STD-MIB
mib module for associating the reverse direction tunnel
information.
Note that the nature of the 'extends' relationship
is a sparse augmentation so that the entry in the
mplsTunnelExtTable has the same index values as the in the
mplsTunnelTable.
MPLS-LSR-STD-MIB [RFC3813] is extended by MPLS-LSR-EXT-STD-MIB
mib module for pointing back to the tunnel entry for easy tunnel
access from XC entry.
Note that the nature of the 'extends' relationship
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is a sparse augmentation so that the entry in the
mplsXCExtTable has the same index values as the in the mplsXCTable.
8. Dependencies between MIB Module Tables
The tables in MPLS-TE-EXT-STD-MIB are related as shown on the diagram
below. The arrows indicate a reference from one table to another.
mplsNodeConfigTable
^ mplsXCExtTable
| | ^
| +---------+ |
| | |
| V V
mplsTunnelTable ---->mplsXCTable
^
|
|
mplsTunnelExtTable
An existing mplsTunnelTable uses the mplsNodeConfigTable table to map
the Global_Node_ID and/or ICC with the local number in order to
accommodate in the existing tunnel table's ingress/egress LSR-id.
New mplsTunnelExtTable table provides the reverse direction LSP
information for the existing tunnel table in order to achieve
bidirectional LSPs.
mplsXCExtTable is extended from mplsLsrXCTable to provide
backward reference to tunnel entry.
9. Example of MPLS-TP Tunnel Setup
In this section, we provide an example of the IP based MPLS-TP
bidirectional tunnel setup. This example provides the usage of
MPLS-TP Tunnel MIB along with the extended new MIB modules introduced
in this document.
Do note that a MPLS-TP tunnel could be setup statically as well as
signaled via control plane. This example considers accessing mib
objects on a head-end for a static MPLS-TP tunnel.
Only relevant objects which are applicable for MPLS-TP tunnel are
illustrated here.
In mplsNodeConfigTable:
{
-- Non-IP Ingress LSR-Id (Index to the table)
mplsNodeConfigLocalId = 1,
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mplsNodeConfigGlobalId = 1234,
mplsNodeConfigNodeId = 10,
-- Mandatory parameters needed to activate the row go here
mplsNodeConfigRowStatus = createAndGo (4)
-- Non-IP Egress LSR-Id (Index to the table)
mplsNodeConfigLocalId = 2,
mplsNodeConfigGlobalId = 1234,
mplsNodeConfigNodeId = 20,
-- Mandatory parameters needed to activate the row go here
mplsNodeConfigRowStatus = createAndGo (4)
}
This will create an entry in the mplsNodeConfigTable for a
Global_Node_ID. A separate entry is made for both Ingress LSR
and Egress LSR.
The following read-only mplsNodeIpMapTable table is populated
automatically upon creating an entry in mplsNodeConfigTable and
this table is used to retrieve the local identifier for the given
Global_Node_ID.
In mplsNodeIpMapTable:
{
-- Global_ID (Index to the table)
mplsNodeIpMapGlobalId = 1234,
-- Node Identifier (Index to the table)
mplsNodeIpMapNodeId = 10,
mplsNodeIpMapLocalId = 1
-- Global_ID (Index to the table)
mplsNodeIpMapGlobalId = 1234,
-- Node Identifier (Index to the table)
mplsNodeIpMapNodeId = 20,
mplsNodeIpMapLocalId = 2
}
9.1 Example of MPLS-TP co-routed bidirectional tunnel setup
The following denotes the configured co-routed bidirectional
tunnel "head" entry:
9.1.1 mplsTunnelEntry
In mplsTunnelTable:
{
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mplsTunnelIndex = 1,
mplsTunnelInstance = 1,
-- Local map number created in mplsNodeConfigTable for Ingress
LSR-Id
mplsTunnelIngressLSRId = 1,
-- Local map number created in mplsNodeConfigTable for Egress
LSR-Id
mplsTunnelEgressLSRId = 2,
mplsTunnelName = "TP co-routed bidirectional LSP",
mplsTunnelDescr = "East to West",
mplsTunnelIsIf = true (1),
-- RowPointer MUST point to the first accessible column
mplsTunnelXCPointer =
mplsXCLspId.4.0.0.0.1.1.0.4.0.0.0.1,
mplsTunnelSignallingProto = none (1),
mplsTunnelSetupPrio = 0,
mplsTunnelHoldingPrio = 0,
mplsTunnelSessionAttributes = 0,
mplsTunnelLocalProtectInUse = false (0),
-- RowPointer MUST point to the first accessible column
mplsTunnelResourcePointer = mplsTunnelResourceMaxRate.5,
mplsTunnelInstancePriority = 1,
mplsTunnelHopTableIndex = 1,
mplsTunnelIncludeAnyAffinity = 0,
mplsTunnelIncludeAllAffinity = 0,
mplsTunnelExcludeAnyAffinity = 0,
mplsTunnelRole = head (1),
-- Mandatory parameters needed to activate the row go here
mplsTunnelRowStatus = createAndGo (4)
}
9.1.2 mplsTunnelExtEntry
-- An MPLS extension table
In mplsTunnelExtTable:
{
-- This opposite direction tunnel pointer MAY be point to 0.0
-- if co-routed bidirectional tunnel is managed by single tunnel
-- entry
mplsTunnelOppositeDirTnlPtr = 0.0
}
We must next create the appropriate in-segment and out-segment
entries. These are done in [RFC3813] using the mplsInSegmentTable
and mplsOutSegmentTable.
9.1.3 Forward direction mplsOutSegmentEntry
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For the forward direction.
In mplsOutSegmentTable:
{
mplsOutSegmentIndex = 0x0000001,
mplsOutSegmentInterface = 13, -- outgoing interface
mplsOutSegmentPushTopLabel = true(1),
mplsOutSegmentTopLabel = 22, -- outgoing label
-- RowPointer MUST point to the first accessible column.
mplsOutSegmentTrafficParamPtr = 0.0,
mplsOutSegmentRowStatus = createAndGo (4)
}
9.1.4 Reverse direction mplsInSegmentEntry
For the reverse direction.
In mplsInSegmentTable:
{
mplsInSegmentIndex = 0x0000001
mplsInSegmentLabel = 21, -- incoming label
mplsInSegmentNPop = 1,
mplsInSegmentInterface = 13, -- incoming interface
-- RowPointer MUST point to the first accessible column.
mplsInSegmentTrafficParamPtr = 0.0,
mplsInSegmentRowStatus = createAndGo (4)
}
Next, two cross-connect entries are created in the mplsXCTable of the
MPLS-LSR-STD-MIB [RFC3813], thereby associating the newly created
segments together.
9.1.5 Forward direction mplsXCEntry
In mplsXCTable:
{
mplsXCIndex = 0x01,
mplsXCInSegmentIndex = 0x00000000,
mplsXCOutSegmentIndex = 0x00000001,
mplsXCLspId = 0x0102 -- unique ID
-- only a single outgoing label
mplsXCLabelStackIndex = 0x00,
mplsXCRowStatus = createAndGo(4)
}
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9.1.6 Reverse direction mplsXCEntry
In mplsXCTable:
{
mplsXCIndex = 0x01,
mplsXCInSegmentIndex = 0x00000001,
mplsXCOutSegmentIndex = 0x00000000,
mplsXCLspId = 0x0102 -- unique ID
-- only a single outgoing label
mplsXCLabelStackIndex = 0x00,
mplsXCRowStatus = createAndGo(4)
}
This table entry is extended by entry in the
mplsXCExtTable. Note that the nature of the 'extends'
relationship is a sparse augmentation so that the entry in the
mplsXCExtTable has the same index values as the entry in
the mplsXCTable.
9.1.5 Forward direction mplsXCExtEntry
In mplsXCExtTable (0x01, 0x00000000, 0x00000001)
{
-- Back pointer from XC table to Tunnel table
mplsXCExtTunnelPointer = mplsTunnelName.1.1.1.2
mplsXCOppositeDirXCPtr =
mplsXCLspId.4.0.0.0.1.4.0.0.0.1.1.0
}
9.1.6 Reverse direction mplsXCExtEntry
Next for the reverse direction:
In mplsXCExtTable (0x01, 0x00000001, 0x00000000)
{
-- Back pointer from XC table to Tunnel table
mplsXCExtTunnelPointer = mplsTunnelName.1.1.1.2
mplsXCOppositeDirXCPtr =
mplsXCLspId.4.0.0.0.1.1.0.4.0.0.0.1
}
9.1.7 mplsTunnelReversePerfTable
The mplsTunnelReversePerfTable SHOULD be populated incase
the single tunnel entry is used for co-routed bidirectional tunnel
setup. The mplsTunnelPerfTable will have the forward direction
LSP performance counters and mplsTunnelReversePerfTable will have
the reverse direction LSP performance counters.
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9.2 Example of MPLS-TP associated bidirectional tunnel setup
The MPLS-TP associated bidirectional tunnel has two different
direction tunnels[Forward and Reverse LSPs] and these are
associated together using mplsTunnelExtTable. Two different
tunnel entries for both forward and reverse direction MAY be used
for co-routed bidirectional tunnel as well.
The following denotes the configured associated bidirectional
forward tunnel "head" entry:
9.2.1 Forward direction mplsTunnelEntry
In mplsTunnelTable:
{
mplsTunnelIndex = 1,
mplsTunnelInstance = 1,
-- Local map number created in mplsNodeConfigTable for Ingress
LSR-Id
mplsTunnelIngressLSRId = 1,
-- Local map number created in mplsNodeConfigTable for Egress
LSR-Id
mplsTunnelEgressLSRId = 2,
mplsTunnelName = "TP associated bi-directional
forward LSP",
mplsTunnelDescr = "East to West",
mplsTunnelIsIf = true (1),
-- RowPointer MUST point to the first accessible column
mplsTunnelXCPointer =
mplsXCLspId.4.0.0.0.1.1.0.4.0.0.0.1,
mplsTunnelSignallingProto = none (1),
mplsTunnelSetupPrio = 0,
mplsTunnelHoldingPrio = 0,
mplsTunnelSessionAttributes = 0,
mplsTunnelLocalProtectInUse = false (0),
-- RowPointer MUST point to the first accessible column
mplsTunnelResourcePointer = mplsTunnelResourceMaxRate.5,
mplsTunnelInstancePriority = 1,
mplsTunnelHopTableIndex = 1,
mplsTunnelIncludeAnyAffinity = 0,
mplsTunnelIncludeAllAffinity = 0,
mplsTunnelExcludeAnyAffinity = 0,
mplsTunnelRole = head (1),
-- Mandatory parameters needed to activate the row go here
mplsTunnelRowStatus = createAndGo (4)
}
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9.2.2 Forward direction mplsTunnelExtEntry
For Associated bidirectional forward LSP,
In mplsTunnelExtTable:
{
mplsTunnelOppositeDirPtr.1.1.1.2 = mplsTunnelName.2.1.2.1
}
9.2.3 Forward direction mplsOutSegmentTable
For the forward direction.
In mplsOutSegmentTable:
{
mplsOutSegmentIndex = 0x0000001,
mplsOutSegmentInterface = 13, -- outgoing interface
mplsOutSegmentPushTopLabel = true(1),
mplsOutSegmentTopLabel = 22, -- outgoing label
-- RowPointer MUST point to the first accessible column.
mplsOutSegmentTrafficParamPtr = 0.0,
mplsOutSegmentRowStatus = createAndGo (4)
}
9.2.4 Forward direction mplsXCEntry
In mplsXCTable:
{
mplsXCIndex = 0x01,
mplsXCInSegmentIndex = 0x00000000,
mplsXCOutSegmentIndex = 0x00000001,
mplsXCLspId = 0x0102 -- unique ID
-- only a single outgoing label
mplsXCLabelStackIndex = 0x00,
mplsXCRowStatus = createAndGo(4)
}
9.2.5 Forward direction mplsXCExtEntry
In mplsXCExtTable (0x01, 0x00000000, 0x00000001)
{
-- Back pointer from XC table to Tunnel table
mplsXCExtTunnelPointer = mplsTunnelName.1.1.1.2
mplsXCOppositeDirXCPtr =
mplsXCLspId.4.0.0.0.1.4.0.0.0.1.1.0
}
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9.2.6 Forward direction mplsTunnelEntry
The following denotes the configured associated bidirectional
reverse tunnel "tail" entry:
In mplsTunnelTable:
{
mplsTunnelIndex = 2,
mplsTunnelInstance = 1,
-- Local map number created in mplsNodeConfigTable for Ingress
LSR-Id
mplsTunnelIngressLSRId = 2,
-- Local map number created in mplsNodeConfigTable for Egress
LSR-Id
mplsTunnelEgressLSRId = 1,
mplsTunnelName = "TP associated bi-directional
reverse LSP",
mplsTunnelDescr = "West to East",
mplsTunnelIsIf = true (1),
-- RowPointer MUST point to the first accessible column
mplsTunnelXCPointer =
mplsXCLspId.4.0.0.0.1.4.0.0.0.1.1.0,
mplsTunnelSignallingProto = none (1),
mplsTunnelSetupPrio = 0,
mplsTunnelHoldingPrio = 0,
mplsTunnelSessionAttributes = 0,
mplsTunnelLocalProtectInUse = false (0),
-- RowPointer MUST point to the first accessible column
mplsTunnelResourcePointer = mplsTunnelResourceMaxRate.5,
mplsTunnelInstancePriority = 1,
mplsTunnelHopTableIndex = 1,
mplsTunnelIncludeAnyAffinity = 0,
mplsTunnelIncludeAllAffinity = 0,
mplsTunnelExcludeAnyAffinity = 0,
mplsTunnelRole = head (1),
-- Mandatory parameters needed to activate the row go here
mplsTunnelRowStatus = createAndGo (4)
}
9.2.7 Reverse direction mplsTunnelExtEntry
For Associated bidirectional reverse LSP,
In mplsTunnelExtTable:
{
mplsTunnelOppositeDirPtr.2.1.2.1 = mplsTunnelName.1.1.1.2
}
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9.2.8 Reverse direction mplsInSegmentEntry
We must next create the appropriate in-segment and out-segment
entries. These are done in [RFC3813] using the mplsInSegmentTable
and mplsOutSegmentTable.
In mplsInSegmentTable: { mplsInSegmentIndex =
0x0000001 mplsInSegmentLabel = 21, -- incoming label
mplsInSegmentNPop = 1, mplsInSegmentInterface =
13, -- incoming interface
-- RowPointer MUST point to the first accessible column.
mplsInSegmentTrafficParamPtr = 0.0, mplsInSegmentRowStatus
= createAndGo (4) }
Next, two cross-connect entries are created in the mplsXCTable of
the MPLS-LSR-STD-MIB [RFC3813], thereby associating the newly
created segments together.
9.2.9 Reverse direction mplsXCEntry
In mplsXCTable:
{
mplsXCIndex = 0x01,
mplsXCInSegmentIndex = 0x00000001,
mplsXCOutSegmentIndex = 0x00000000,
mplsXCLspId = 0x0102 -- unique ID
-- only a single outgoing label
mplsXCLabelStackIndex = 0x00,
mplsXCRowStatus = createAndGo(4)
}
This table entry is extended by entry in the
mplsXCExtTable. Note that the nature of the 'extends'
relationship is a sparse augmentation so that the entry in the
mplsXCExtTable has the same index values as the entry in
the mplsXCTable.
9.2.10 Reverse direction mplsXCExtEntry
Next for the reverse direction:
In mplsXCExtTable (0x01, 0x00000001, 0x00000000)
{
-- Back pointer from XC table to Tunnel table
mplsXCExtTunnelPointer = mplsTunnelName.1.1.1.2
mplsXCOppositeDirXCPtr =
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mplsXCLspId.4.0.0.0.1.1.0.4.0.0.0.1
}
10. MPLS Textual Convention Extension MIB definitions
MPLS-TC-EXT-STD-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, Unsigned32
FROM SNMPv2-SMI -- [RFC2578]
TEXTUAL-CONVENTION
FROM SNMPv2-TC -- [RFC2579]
mplsStdMIB
FROM MPLS-TC-STD-MIB -- [RFC3811]
;
mplsTcExtStdMIB MODULE-IDENTITY
LAST-UPDATED
"201202220000Z" -- February 22, 2012
ORGANIZATION
"Multiprotocol Label Switching (MPLS) Working Group"
CONTACT-INFO
"
Venkatesan Mahalingam
Dell Inc,
350 Holger way, San Jose, CA, USA
Email: venkat.mahalingams@gmail.com
Kannan KV Sampath
Aricent,
India
Email: Kannan.Sampath@aricent.com
Sam Aldrin
Huawei Technologies
2330 Central Express Way,
Santa Clara, CA 95051, USA
Email: aldrin.ietf@gmail.com
Thomas D. Nadeau
CA Technologies
273 Corporate Drive, Portsmouth, NH, USA
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Email: thomas.nadeau@ca.com
"
DESCRIPTION
"Copyright (c) 2012 IETF Trust and the persons identified
as the document authors. All rights reserved.
This MIB module contains Textual Conventions for
MPLS based transport networks."
-- Revision history.
REVISION
"201202220000Z" -- February 22, 2012
DESCRIPTION
"MPLS Textual Convention Extensions"
::= { mplsStdMIB xxx } -- xxx to be replaced with correct value
MplsGlobalId ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"This object contains the Textual Convention of IP based
operator unique identifier (Global_ID), the Global_ID can
contain the 2-octet or 4-octet value of the operator's
Autonomous System Number (ASN).
It is expected that the Global_ID will be derived from
the globally unique ASN of the autonomous system hosting
the PEs containing the actual AIIs.
The presence of a Global_ID based on the operator's
ASN ensures that the AII will be globally unique.
When the Global_ID is derived from a 2-octet AS number,
the two high-order octets of this 4-octet identifier
MUST be set to zero.
Further ASN 0 is reserved. A Global_ID of zero means
that no Global_ID is present. Note that a Global_ID of
zero is limited to entities contained within a single
operator and MUST NOT be used across an NNI.
A non-zero Global_ID MUST be derived from an ASN owned by
the operator."
SYNTAX OCTET STRING (SIZE (4))
MplsNodeId ::= TEXTUAL-CONVENTION
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DISPLAY-HINT "d"
STATUS current
DESCRIPTION
"The Node_ID is assigned within the scope of the Global_ID.
The value 0(or 0.0.0.0 in dotted decimal notation) is
reserved and MUST NOT be used.
When IPv4 addresses are in use, the value of this object
can be derived from the LSR's /32 IPv4 loop back address.
When IPv6 addresses are in use, the value of this object
can be a 32-bit value unique within the scope of
a Global_ID.
Note that, when IP reach ability is not needed, the 32-bit
Node_ID is not required to have any association
with the IPv4 address space."
SYNTAX Unsigned32
MplsIccId ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"The ICC is a string of one to six characters, each
character being either alphabetic (i.e. A-Z) or
numeric (i.e. 0-9) characters.
Alphabetic characters in the ICC SHOULD be represented
with upper case letters."
SYNTAX OCTET STRING (SIZE (1..6))
MplsLocalId ::= TEXTUAL-CONVENTION
DISPLAY-HINT "d"
STATUS current
DESCRIPTION
"This textual convention is used in accommodating the bigger
size Global_Node_ID and/or ICC with lower size LSR
identifier in order to index the mplsTunnelTable.
The Local Identifier is configured between 1 and 16777215,
as valid IP address range starts from 16777216(01.00.00.00).
This range is chosen to identify the mplsTunnelTable's
Ingress/Egress LSR-id is IP address or Local identifier,
if the configured range is not IP address, administrator is
expected to retrieve the complete information
(Global_Node_ID or ICC) from mplsNodeConfigTable. This way,
existing mplsTunnelTable is reused for bidirectional tunnel
extensions for MPLS based transport networks.
This Local Identifier allows the administrator to assign
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a unique identifier to map Global_Node_ID and/or ICC."
SYNTAX Unsigned32(1..16777215)
-- MPLS-TC-EXT-STD-MIB module ends
END
11. MPLS Identifier MIB definitions
MPLS-ID-STD-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, OBJECT-TYPE, NOTIFICATION-TYPE
FROM SNMPv2-SMI -- [RFC2578]
MODULE-COMPLIANCE, OBJECT-GROUP, NOTIFICATION-GROUP
FROM SNMPv2-CONF -- [RFC2580]
mplsStdMIB
FROM MPLS-TC-STD-MIB -- [RFC3811]
MplsGlobalId, MplsIccId, MplsNodeId
FROM MPLS-TC-EXT-STD-MIB
;
mplsIdStdMIB MODULE-IDENTITY
LAST-UPDATED
"201202220000Z" -- February 22, 2012
ORGANIZATION
"Multiprotocol Label Switching (MPLS) Working Group"
CONTACT-INFO
"
Venkatesan Mahalingam
Dell Inc,
350 Holger way, San Jose, CA, USA
Email: venkat.mahalingams@gmail.com
Kannan KV Sampath
Aricent,
India
Email: Kannan.Sampath@aricent.com
Sam Aldrin
Huawei Technologies
2330 Central Express Way,
Santa Clara, CA 95051, USA
Email: aldrin.ietf@gmail.com
Thomas D. Nadeau
CA Technologies
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273 Corporate Drive, Portsmouth, NH, USA
Email: thomas.nadeau@ca.com
"
DESCRIPTION
"Copyright (c) 2012 IETF Trust and the persons identified
as the document authors. All rights reserved.
This MIB module contains generic object definitions for
MPLS Traffic Engineering in transport networks."
-- Revision history.
REVISION
"201202220000Z" -- February 22, 2012
DESCRIPTION
"MPLS identifiers mib object extension"
::= { mplsStdMIB xxx } -- xxx to be replaced with correct value
-- traps
mplsIdNotifications OBJECT IDENTIFIER ::= { mplsIdStdMIB 0 }
-- tables, scalars
mplsIdObjects OBJECT IDENTIFIER ::= { mplsIdStdMIB 1 }
-- conformance
mplsIdConformance OBJECT IDENTIFIER ::= { mplsIdStdMIB 2 }
-- MPLS common objects
mplsGlobalId OBJECT-TYPE
SYNTAX MplsGlobalId
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object allows the administrator to assign a unique
operator identifier also called MPLS-TP Global_ID."
REFERENCE
"MPLS-TP Identifiers [RFC6370]."
::= { mplsIdObjects 1 }
mplsIcc OBJECT-TYPE
SYNTAX MplsIccId
MAX-ACCESS read-write
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STATUS current
DESCRIPTION
"This object allows the operator or service provider to
assign a unique MPLS-TP ITU-T Carrier Code (ICC) to a
network."
REFERENCE
"MPLS-TP Identifiers [RFC6370]."
::= { mplsIdObjects 2 }
mplsNodeId OBJECT-TYPE
SYNTAX MplsNodeId
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object allows the operator or service provider to
assign a unique MPLS-TP Node_ID.
The Node_ID is assigned within the scope of
the Global_ID."
REFERENCE
"MPLS-TP Identifiers [RFC6370]."
::= { mplsIdObjects 3 }
-- Module compliance.
mplsIdGroups
OBJECT IDENTIFIER ::= { mplsIdConformance 1 }
mplsIdCompliances
OBJECT IDENTIFIER ::= { mplsIdConformance 2 }
-- Compliance requirement for fully compliant implementations.
mplsIdModuleFullCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"Compliance statement for agents that provide full
support the MPLS-ID-STD-MIB module."
MODULE -- this module
-- The mandatory group has to be implemented by all
-- LSRs that originate/terminate MPLS-TP paths.
MANDATORY-GROUPS {
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mplsIdScalarGroup
}
::= { mplsIdCompliances 1 }
-- Compliance requirement for read-only implementations.
mplsIdModuleReadOnlyCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"Compliance statement for agents that provide full
support the MPLS-ID-STD-MIB module."
MODULE -- this module
-- The mandatory group has to be implemented by all
-- LSRs that originate/terminate MPLS-TP paths.
MANDATORY-GROUPS {
mplsIdScalarGroup
}
::= { mplsIdCompliances 2 }
-- Units of conformance.
mplsIdScalarGroup OBJECT-GROUP
OBJECTS { mplsGlobalId,
mplsNodeId,
mplsIcc
}
STATUS current
DESCRIPTION
"Scalar object needed to implement MPLS TP path."
::= { mplsIdGroups 1 }
-- MPLS-ID-STD-MIB module ends
END
12. MPLS LSR Extension MIB definitions
MPLS-LSR-EXT-STD-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, OBJECT-TYPE
FROM SNMPv2-SMI -- [RFC2578]
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MODULE-COMPLIANCE, OBJECT-GROUP
FROM SNMPv2-CONF -- [RFC2580]
mplsStdMIB
FROM MPLS-TC-STD-MIB -- [RFC3811]
RowPointer
FROM SNMPv2-TC -- [RFC2579]
mplsXCIndex, mplsXCInSegmentIndex, mplsXCOutSegmentIndex,
mplsInSegmentGroup, mplsOutSegmentGroup, mplsXCGroup,
mplsPerfGroup, mplsLsrNotificationGroup
FROM MPLS-LSR-STD-MIB; -- [RFC3813]
mplsLsrExtStdMIB MODULE-IDENTITY
LAST-UPDATED
"201202220000Z" -- February 22, 2012
ORGANIZATION
"Multiprotocol Label Switching (MPLS) Working Group"
CONTACT-INFO
"
Venkatesan Mahalingam
Dell Inc,
350 Holger way, San Jose, CA, USA
Email: venkat.mahalingams@gmail.com
Kannan KV Sampath
Aricent,
India
Email: Kannan.Sampath@aricent.com
Sam Aldrin
Huawei Technologies
2330 Central Express Way,
Santa Clara, CA 95051, USA
Email: aldrin.ietf@gmail.com
Thomas D. Nadeau
CA Technologies
273 Corporate Drive, Portsmouth, NH, USA
Email: thomas.nadeau@ca.com
"
DESCRIPTION
"Copyright (c) 2012 IETF Trust and the persons identified
as the document authors. All rights reserved.
This MIB module contains generic object definitions for
MPLS LSR in transport networks."
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-- Revision history.
REVISION
"201202220000Z" -- February 22, 2012
DESCRIPTION
"MPLS LSR specific mib objects extension"
::= { mplsStdMIB xxx } -- xxx to be replaced with correct value
-- traps
mplsLsrExtNotifications OBJECT IDENTIFIER
::= { mplsLsrExtStdMIB 0 }
-- tables, scalars
mplsLsrExtObjects OBJECT IDENTIFIER
::= { mplsLsrExtStdMIB 1 }
-- conformance
mplsLsrExtConformance OBJECT IDENTIFIER
::= { mplsLsrExtStdMIB 2 }
-- MPLS LSR common objects
mplsXCExtTable OBJECT-TYPE
SYNTAX SEQUENCE OF MplsXCExtEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table sparse augments the mplsXCTable of
MPLS-LSR-STD-MIB [RFC3813] to provide MPLS-TP specific
information about associated tunnel information"
REFERENCE
"1. Multiprotocol Label Switching (MPLS) Label Switching
Router (LSR) Management Information Base (MIB), RFC 3813."
::= { mplsLsrExtObjects 1 }
mplsXCExtEntry OBJECT-TYPE
SYNTAX MplsXCExtEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry in this table extends the cross connect
information represented by an entry in
the mplsXCTable in MPLS-LSR-STD-MIB [RFC3813] through
a sparse augmentation. An entry can be created by
a network administrator via SNMP SET commands, or in
response to signaling protocol events."
REFERENCE
"1. Multiprotocol Label Switching (MPLS) Label Switching
Router (LSR) Management Information Base (MIB), RFC 3813."
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INDEX { mplsXCIndex, mplsXCInSegmentIndex,
mplsXCOutSegmentIndex }
::= { mplsXCExtTable 1 }
MplsXCExtEntry ::= SEQUENCE {
mplsXCExtTunnelPointer RowPointer,
mplsXCOppositeDirXCPtr RowPointer
}
mplsXCExtTunnelPointer OBJECT-TYPE
SYNTAX RowPointer
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object indicates the back pointer to the tunnel
entry segment. This object cannot be modified if
mplsXCRowStatus for the corresponding entry in the
mplsXCTable is active(1)."
REFERENCE
"1. Multiprotocol Label Switching (MPLS) Label Switching
Router (LSR) Management Information Base (MIB), RFC 3813."
::= { mplsXCExtEntry 1 }
mplsXCOppositeDirXCPtr OBJECT-TYPE
SYNTAX RowPointer
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object indicates the pointer to the opposite
direction XC entry. This object cannot be modified if
mplsXCRowStatus for the corresponding entry in the
mplsXCTable is active(1)."
REFERENCE
"1. Multiprotocol Label Switching (MPLS) Label Switching
Router (LSR) Management Information Base (MIB), RFC 3813."
::= { mplsXCExtEntry 2 }
mplsLsrExtGroups
OBJECT IDENTIFIER ::= { mplsLsrExtConformance 1 }
mplsLsrExtCompliances
OBJECT IDENTIFIER ::= { mplsLsrExtConformance 2 }
-- Compliance requirement for fully compliant implementations.
mplsLsrExtModuleFullCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"Compliance statement for agents that provide full support
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for MPLS-LSR-EXT-STD-MIB.
The mandatory group has to be implemented by all LSRs
that originate, terminate, or act as transit for
TE-LSPs/tunnels.
In addition, depending on the type of tunnels supported,
other groups become mandatory as explained below."
MODULE MPLS-LSR-STD-MIB -- The MPLS-LSR-STD-MIB, RFC3813
MANDATORY-GROUPS {
mplsInSegmentGroup,
mplsOutSegmentGroup,
mplsXCGroup,
mplsPerfGroup,
mplsLsrNotificationGroup
}
MODULE -- this module
MANDATORY-GROUPS {
mplsXCExtGroup
}
OBJECT mplsXCExtTunnelPointer
SYNTAX RowPointer
MIN-ACCESS read-only
DESCRIPTION
"The only valid value for Tunnel Pointer is mplsTunnelTable
entry."
::= { mplsLsrExtCompliances 1 }
-- Compliance requirement for implementations that provide
-- read-only access.
mplsLsrExtModuleReadOnlyCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"Compliance requirement for implementations that only
provide read-only support for MPLS-LSR-EXT-STD-MIB.
Such devices can then be monitored but cannot be
configured using this MIB module."
MODULE MPLS-LSR-STD-MIB
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MANDATORY-GROUPS {
mplsInterfaceGroup,
mplsInSegmentGroup,
mplsOutSegmentGroup,
mplsXCGroup,
mplsPerfGroup
}
MODULE -- this module
MANDATORY-GROUPS {
mplsXCExtGroup
}
OBJECT mplsXCExtTunnelPointer
SYNTAX RowPointer
MIN-ACCESS read-only
DESCRIPTION
"The only valid value for Tunnel Pointer is mplsTunnelTable
entry."
OBJECT mplsXCOppositeDirXCPtr
SYNTAX RowPointer
MIN-ACCESS read-only
DESCRIPTION
"The only valid value for Tunnel Pointer is mplsXCTable
entry."
::= { mplsLsrExtCompliances 2 }
mplsXCExtGroup OBJECT-GROUP
OBJECTS {
mplsXCExtTunnelPointer,
mplsXCOppositeDirXCPtr
}
STATUS current
DESCRIPTION
"This object should be supported in order to access
the tunnel entry from XC entry."
::= { mplsLsrExtGroups 1 }
-- MPLS-LSR-EXT-STD-MIB module ends
END
13. MPLS Tunnel Extension MIB definitions
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MPLS-TE-EXT-STD-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, OBJECT-TYPE, Unsigned32, Counter32,
Counter64, Gauge32, zeroDotZero, NOTIFICATION-TYPE
FROM SNMPv2-SMI -- [RFC2578]
MODULE-COMPLIANCE, OBJECT-GROUP, NOTIFICATION-GROUP
FROM SNMPv2-CONF -- [RFC2580]
RowStatus, RowPointer, StorageType
FROM SNMPv2-TC -- [RFC2579]
MplsLocalId, MplsGlobalId, MplsNodeId, MplsIccId
FROM MPLS-TC-EXT-STD-MIB
mplsStdMIB, MplsTunnelIndex, MplsTunnelInstanceIndex
FROM MPLS-TC-STD-MIB -- [RFC3811]
mplsTunnelIndex, mplsTunnelInstance, mplsTunnelIngressLSRId,
mplsTunnelEgressLSRId
FROM MPLS-TE-STD-MIB -- [RFC3812]
;
mplsTeExtStdMIB MODULE-IDENTITY
LAST-UPDATED
"201203020000Z" -- March 02, 2012
ORGANIZATION
"Multiprotocol Label Switching (MPLS) Working Group"
CONTACT-INFO
"
Venkatesan Mahalingam
Dell Inc,
350 Holger way, San Jose, CA, USA
Email: venkat.mahalingams@gmail.com
Kannan KV Sampath
Aricent,
India
Email: Kannan.Sampath@aricent.com
Sam Aldrin
Huawei Technologies
2330 Central Express Way,
Santa Clara, CA 95051, USA
Email: aldrin.ietf@gmail.com
Thomas D. Nadeau
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CA Technologies
273 Corporate Drive, Portsmouth, NH, USA
Email: thomas.nadeau@ca.com
"
DESCRIPTION
"Copyright (c) 2012 IETF Trust and the persons identified
as the document authors. All rights reserved.
This MIB module contains generic object definitions for
MPLS Traffic Engineering in transport networks."
-- Revision history.
REVISION
"201203020000Z" -- March 02, 2012
DESCRIPTION
"MPLS TE mib objects extension"
::= { mplsStdMIB xxx } -- xxx to be replaced
-- with correct value
-- Top level components of this MIB module.
-- traps
mplsTeExtNotifications OBJECT IDENTIFIER
::= { mplsTeExtStdMIB 0 }
-- tables, scalars
mplsTeExtObjects OBJECT IDENTIFIER
::= { mplsTeExtStdMIB 1 }
-- conformance
mplsTeExtConformance OBJECT IDENTIFIER
::= { mplsTeExtStdMIB 2 }
-- Start of MPLS Transport Profile Node configuration table
mplsNodeConfigTable OBJECT-TYPE
SYNTAX SEQUENCE OF MplsNodeConfigEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table allows the administrator to map a node or
LSR Identifier (IP compatible [Global_Node_ID] or ICC)
with a local identifier.
This table is created to reuse the existing
mplsTunnelTable for MPLS based transport network
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tunnels also.
Since the MPLS tunnel's Ingress/Egress LSR identifiers'
size (Unsigned32) value is not compatible for
MPLS-TP tunnel i.e. Global_Node_Id of size 8 bytes and
ICC of size 6 bytes, there exists a need to map the
Global_Node_ID or ICC with the local identifier of size
4 bytes (Unsigned32) value in order
to index (Ingress/Egress LSR identifier)
the existing mplsTunnelTable."
::= { mplsTeExtObjects 1 }
mplsNodeConfigEntry OBJECT-TYPE
SYNTAX MplsNodeConfigEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry in this table represents a mapping
identification for the operator or service provider
with node or LSR.
As per [RFC6370], this mapping is
represented as Global_Node_ID or ICC.
Note: Each entry in this table should have a unique
Global_ID and Node_ID combination."
INDEX { mplsNodeConfigLocalId }
::= { mplsNodeConfigTable 1 }
MplsNodeConfigEntry ::= SEQUENCE {
mplsNodeConfigLocalId MplsLocalId,
mplsNodeConfigGlobalId MplsGlobalId,
mplsNodeConfigNodeId MplsNodeId,
mplsNodeConfigIccId MplsIccId,
mplsNodeConfigRowStatus RowStatus,
mplsNodeConfigStorageType StorageType
}
mplsNodeConfigLocalId OBJECT-TYPE
SYNTAX MplsLocalId
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This object allows the administrator to assign a unique
local identifier to map Global_Node_ID or ICC."
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::= { mplsNodeConfigEntry 1 }
mplsNodeConfigGlobalId OBJECT-TYPE
SYNTAX MplsGlobalId
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object indicates the Global Operator Identifier.
This object value should be zero when
mplsNodeConfigIccId is configured with non-null value."
REFERENCE
"MPLS-TP Identifiers [RFC6370]."
::= { mplsNodeConfigEntry 2 }
mplsNodeConfigNodeId OBJECT-TYPE
SYNTAX MplsNodeId
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object indicates the Node_ID within the operator.
This object value should be zero when mplsNodeConfigIccId
is configured with non-null value."
REFERENCE
"MPLS-TP Identifiers [RFC6370]."
::= { mplsNodeConfigEntry 3 }
mplsNodeConfigIccId OBJECT-TYPE
SYNTAX MplsIccId
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object allows the operator or service provider to
configure a unique MPLS-TP ITU-T Carrier Code (ICC)
either for Ingress ID or Egress ID.
This object value should be zero when
mplsNodeConfigGlobalId and mplsNodeConfigNodeId are
assigned with non-zero value."
REFERENCE
"MPLS-TP Identifiers [RFC6370]."
::= { mplsNodeConfigEntry 4 }
mplsNodeConfigRowStatus OBJECT-TYPE
SYNTAX RowStatus
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MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object allows the administrator to create, modify,
and/or delete a row in this table."
::= { mplsNodeConfigEntry 5 }
mplsNodeConfigStorageType OBJECT-TYPE
SYNTAX StorageType
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This variable indicates the storage type for this
object.
Conceptual rows having the value 'permanent'
need not allow write-access to any columnar
objects in the row."
DEFVAL { volatile }
::= { mplsNodeConfigEntry 6 }
-- End of MPLS Transport Profile Node configuration table
-- Start of MPLS Transport Profile Node IP compatible
-- mapping table
mplsNodeIpMapTable OBJECT-TYPE
SYNTAX SEQUENCE OF MplsNodeIpMapEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This read-only table allows the administrator to retrieve
the local identifier for a given Global_Node_ID in an IP
compatible operator environment.
This table MAY be used in on-demand and/or proactive
OAM operations to get the Ingress/Egress LSR identifier
(Local Identifier) from Src-Global_Node_ID
or Dst-Global_Node_ID and the Ingress and Egress LSR
identifiers are used to retrieve the tunnel entry.
This table returns nothing when the associated entry
is not defined in mplsNodeConfigTable."
::= { mplsTeExtObjects 2 }
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mplsNodeIpMapEntry OBJECT-TYPE
SYNTAX MplsNodeIpMapEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry in this table represents a mapping of
Global_Node_ID with the local identifier.
An entry in this table is created automatically when
the Local identifier is associated with Global_ID and
Node_Id in the mplsNodeConfigTable.
Note: Each entry in this table should have a unique
Global_ID and Node_ID combination."
INDEX { mplsNodeIpMapGlobalId,
mplsNodeIpMapNodeId
}
::= { mplsNodeIpMapTable 1 }
MplsNodeIpMapEntry ::= SEQUENCE {
mplsNodeIpMapGlobalId MplsGlobalId,
mplsNodeIpMapNodeId MplsNodeId,
mplsNodeIpMapLocalId MplsLocalId
}
mplsNodeIpMapGlobalId OBJECT-TYPE
SYNTAX MplsGlobalId
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This object indicates the Global_ID."
::= { mplsNodeIpMapEntry 1 }
mplsNodeIpMapNodeId OBJECT-TYPE
SYNTAX MplsNodeId
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This object indicates the Node_ID within the
operator."
::= { mplsNodeIpMapEntry 2 }
mplsNodeIpMapLocalId OBJECT-TYPE
SYNTAX MplsLocalId
MAX-ACCESS read-only
STATUS current
DESCRIPTION
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"This object contains an IP compatible local identifier
which is defined in mplsNodeConfigTable."
::= { mplsNodeIpMapEntry 3 }
-- End MPLS Transport Profile Node IP compatible table
-- Start of MPLS Transport Profile Node ICC based table
mplsNodeIccMapTable OBJECT-TYPE
SYNTAX SEQUENCE OF MplsNodeIccMapEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This read-only table allows the administrator to retrieve
the local identifier for a given ICC operator in an ICC
operator environment.
This table MAY be used in on-demand and/or proactive
OAM operations to get the Ingress/Egress LSR
identifier (Local Identifier) from Src-ICC
or Dst-ICC and the Ingress and Egress LSR
identifiers are used to retrieve the tunnel entry.
This table returns nothing when the associated entry
is not defined in mplsNodeConfigTable."
::= { mplsTeExtObjects 3 }
mplsNodeIccMapEntry OBJECT-TYPE
SYNTAX MplsNodeIccMapEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry in this table represents a mapping of ICC with
the local identifier.
An entry in this table is created automatically when
the Local identifier is associated with ICC in
the mplsNodeConfigTable."
INDEX { mplsNodeIccMapIccId }
::= { mplsNodeIccMapTable 1 }
MplsNodeIccMapEntry ::= SEQUENCE {
mplsNodeIccMapIccId MplsIccId,
mplsNodeIccMapLocalId MplsLocalId
}
mplsNodeIccMapIccId OBJECT-TYPE
SYNTAX MplsIccId
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MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This object allows the operator or service provider to
configure a unique MPLS-TP ITU-T Carrier Code (ICC)
either for Ingress or Egress LSR ID.
The ICC is a string of one to six characters, each
character being either alphabetic (i.e. A-Z) or
numeric (i.e. 0-9) characters. Alphabetic characters
in the ICC should be represented with upper case
letters."
::= { mplsNodeIccMapEntry 1 }
mplsNodeIccMapLocalId OBJECT-TYPE
SYNTAX MplsLocalId
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object contains an ICC based local identifier
which is defined in mplsNodeConfigTable."
::= { mplsNodeIccMapEntry 2 }
-- End MPLS Transport Profile Node ICC based table
-- Start of MPLS Tunnel table extension
mplsTunnelExtTable OBJECT-TYPE
SYNTAX SEQUENCE OF MplsTunnelExtEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table represents MPLS-TP specific extensions to
mplsTunnelTable.
As per MPLS-TP Identifiers [RFC6370], LSP_ID for IP based
co-routed bidirectional tunnel,
A1-{Global_ID::Node_ID::Tunnel_Num}::Z9-{Global_ID::
Node_ID::Tunnel_Num}::LSP_Num
LSP_ID for IP based associated bidirectional tunnel,
A1-{Global_ID::Node_ID::Tunnel_Num::LSP_Num}::
Z9-{Global_ID::Node_ID::Tunnel_Num::LSP_Num}
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mplsTunnelTable is reused for forming the LSP_ID
as follows,
Source Tunnel_Num is mapped with mplsTunnelIndex,
Source Node_ID is mapped with
mplsTunnelIngressLSRId, Destination Node_ID is
mapped with mplsTunnelEgressLSRId LSP_Num is mapped with
mplsTunnelInstance.
Source Global_Node_ID and/or ICC and Destination
Global_Node_ID and/or ICC are maintained in the
mplsNodeConfigTable and mplsNodeConfigLocalId is
used to create an entry in mplsTunnelTable."
REFERENCE
"MPLS-TP Identifiers [RFC6370]."
::= { mplsTeExtObjects 4 }
mplsTunnelExtEntry OBJECT-TYPE
SYNTAX MplsTunnelExtEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry in this table represents MPLS-TP
specific additional tunnel configurations."
INDEX {
mplsTunnelIndex,
mplsTunnelInstance,
mplsTunnelIngressLSRId,
mplsTunnelEgressLSRId
}
::= { mplsTunnelExtTable 1 }
MplsTunnelExtEntry ::= SEQUENCE {
mplsTunnelOppositeDirPtr RowPointer
}
mplsTunnelOppositeDirPtr OBJECT-TYPE
SYNTAX RowPointer
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"This object is applicable only for the bidirectional
tunnel that has the forward and reverse LSPs in the
same tunnel or in the different tunnels.
This object holds the opposite direction tunnel entry
if the bidirectional tunnel is setup by configuring two
tunnel entries in mplsTunnelTable.
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The value of zeroDotZero indicates single tunnel entry
is used for bidirectional tunnel setup."
DEFVAL { zeroDotZero }
::= { mplsTunnelExtEntry 1 }
-- End of MPLS Tunnel table extension
mplsTunnelReversePerfTable OBJECT-TYPE
SYNTAX SEQUENCE OF MplsTunnelReversePerfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table extends the mplsTunnelTable to provide
per-tunnel packet performance information for the reverse
direction of a bidirectional tunnel. It can be seen as
supplementing the mplsTunnelPerfTable, which augments the
mplsTunnelTable.
For links that do not transport packets, these packet
counters cannot be maintained. For such links, attempts
to read the objects in this table will return
noSuchInstance."
REFERENCE
"1. Multiprotocol Label Switching (MPLS) Traffic
Engineering (TE)Management Information Base (MIB),
RFC 3812."
::= { mplsTeExtObjects 5 }
mplsTunnelReversePerfEntry OBJECT-TYPE
SYNTAX MplsTunnelReversePerfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry in this table is created by the LSR for every
bidirectional MPLS tunnel where packets are visible to the
LSR."
INDEX {
mplsTunnelIndex,
mplsTunnelInstance,
mplsTunnelIngressLSRId,
mplsTunnelEgressLSRId
}
::= { mplsTunnelReversePerfTable 1 }
MplsTunnelReversePerfEntry ::= SEQUENCE {
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mplsTunnelReversePerfPackets Counter32,
mplsTunnelReversePerfHCPackets Counter64,
mplsTunnelReversePerfErrors Counter32,
mplsTunnelReversePerfBytes Counter32,
mplsTunnelReversePerfHCBytes Counter64
}
mplsTunnelReversePerfPackets OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Number of packets forwarded on the tunnel in the reverse
direction if it is bidirectional.
This object represents the 32-bit value of the least
significant part of the 64-bit value if both
mplsTunnelReversePerfHCPackets and this object
are returned.
For links that do not transport packets, this packet
counter cannot be maintained. For such links, this value
will return noSuchInstance."
::= { mplsTunnelReversePerfEntry 1 }
mplsTunnelReversePerfHCPackets OBJECT-TYPE
SYNTAX Counter64
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"High-capacity counter for number of packets forwarded on
the tunnel in the reverse direction if it is
bidirectional.
For links that do not transport packets, this packet
counter cannot be maintained. For such links, this value
will return noSuchInstance."
::= { mplsTunnelReversePerfEntry 2 }
mplsTunnelReversePerfErrors OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Number of errored packets received on the tunnel in
the reverse direction if it is bidirectional. For links
that do not transport packets, this packet counter cannot
be maintained. For such links, this value will return
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noSuchInstance."
::= { mplsTunnelReversePerfEntry 3 }
mplsTunnelReversePerfBytes OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Number of bytes forwarded on the tunnel in the reverse
direction if it is bidirectional.
This object represents the 32-bit value of the least
significant part of the 64-bit value if both
mplsTunnelReversePerfHCBytes and this object are returned.
For links that do not transport packets, this packet
counter cannot be maintained. For such links, this value
will return noSuchInstance."
::= { mplsTunnelReversePerfEntry 4 }
mplsTunnelReversePerfHCBytes OBJECT-TYPE
SYNTAX Counter64
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"High-capacity counter for number of bytes forwarded on the
tunnel in the reverse direction if it is bidirectional.
For links that do not transport packets, this packet
counter cannot be maintained. For such links, this value
will return noSuchInstance."
::= { mplsTunnelReversePerfEntry 5 }
-- Notifications.
-- Notifications objects need to be added here.
-- End of notifications.
-- Module compliance.
mplsTeExtGroups
OBJECT IDENTIFIER ::= { mplsTeExtConformance 1 }
mplsTeExtCompliances
OBJECT IDENTIFIER ::= { mplsTeExtConformance 2 }
-- Compliance requirement for fully compliant implementations.
mplsTeExtModuleFullCompliance MODULE-COMPLIANCE
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STATUS current
DESCRIPTION
"Compliance statement for agents that provide full
support the MPLS-TE-EXT-STD-MIB module."
MODULE -- this module
-- The mandatory group has to be implemented by all
-- LSRs that originate/terminate MPLS-TP tunnels.
-- In addition, depending on the type of tunnels
-- supported, other groups become mandatory as
-- explained below.
MANDATORY-GROUPS {
mplsTunnelExtGroup
}
GROUP mplsTunnelExtIpOperatorGroup
DESCRIPTION
"This group is mandatory for devices which support
configuration of IP based identifier tunnels."
GROUP mplsTunnelExtIccOperatorGroup
DESCRIPTION
"This group is mandatory for devices which support
configuration of ICC based tunnels."
::= { mplsTeExtCompliances 1 }
-- Compliance requirement for read-only implementations.
mplsTeExtModuleReadOnlyCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"Compliance statement for agents that provide full
support the MPLS-TE-EXT-STD-MIB module."
MODULE -- this module
-- The mandatory group has to be implemented by all
-- LSRs that originate/terminate MPLS-TP tunnels.
-- In addition, depending on the type of tunnels
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-- supported, other groups become mandatory as
-- explained below.
MANDATORY-GROUPS {
mplsTunnelExtGroup
}
GROUP mplsTunnelExtIpOperatorGroup
DESCRIPTION
"This group is mandatory for devices which support
configuration of IP based identifier tunnels."
GROUP mplsTunnelExtIccOperatorGroup
DESCRIPTION
"This group is mandatory for devices which support
configuration of ICC based tunnels."
::= { mplsTeExtCompliances 2 }
-- Units of conformance.
mplsTunnelExtGroup OBJECT-GROUP
OBJECTS {
mplsTunnelOppositeDirPtr,
mplsTunnelReversePerfPackets,
mplsTunnelReversePerfHCPackets,
mplsTunnelReversePerfErrors,
mplsTunnelReversePerfBytes,
mplsTunnelReversePerfHCBytes
}
STATUS current
DESCRIPTION
"Necessary, but not sufficient, set of objects to
implement tunnels. In addition, depending on the
operating environment, the following groups are
mandatory."
::= { mplsTeExtGroups 1 }
mplsTunnelExtIpOperatorGroup OBJECT-GROUP
OBJECTS { mplsNodeConfigGlobalId,
mplsNodeConfigNodeId,
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mplsNodeConfigRowStatus,
mplsNodeConfigStorageType,
mplsNodeIpMapLocalId
}
STATUS current
DESCRIPTION
"Object(s) needed to implement IP compatible tunnels."
::= { mplsTeExtGroups 2 }
mplsTunnelExtIccOperatorGroup OBJECT-GROUP
OBJECTS { mplsNodeConfigIccId,
mplsNodeConfigRowStatus,
mplsNodeConfigStorageType,
mplsNodeIccMapLocalId
}
STATUS current
DESCRIPTION
"Object(s) needed to implement ICC based tunnels."
::= { mplsTeExtGroups 3 }
-- MPLS-TE-EXT-STD-MIB module ends
END
14. Security Consideration
There is a number of management objects defined in this MIB module
that has a MAX-ACCESS clause of read-write.. Such objects may be
considered sensitive or vulnerable in some network environments.
The support for SET operations in a non-secure environment without
proper protection can have a negative effect on network
operations.
Some of the readable objects in this MIB module (i.e., objects
with a MAX-ACCESS other than not-accessible) may be considered
sensitive or vulnerable in some network environments.
It is thus important to control even GET and/or NOTIFY access to
these objects and possibly to even encrypt the values of these
objects when sending them over the network via SNMP. These are
the tables and objects and their sensitivity/vulnerability:
SNMP versions prior to SNMPv3 did not include adequate security.
Even if the network itself is secure (for example by using IPsec),
even then, there is no control as to who on the secure network is
allowed to access and GET/SET (read/change/create/delete)
the objects in this MIB module.
It is recommended that implementers consider the security features
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as provided by the SNMPv3 framework (see [RFC3410], section 8),
including full supports for the SNMPv3 cryptographic mechanisms
(for authentication and privacy).
Further, deployment of SNMP versions prior to SNMPv3 is not
recommended. Instead, it is recommended to deploy SNMPv3 and to
enable cryptographic security. It is then a customer/operator
responsibility to ensure that the SNMP entity giving access to an
instance of this MIB module is properly configured to give
access to the objects only to those principles (users) that
have legitimate rights to indeed GET or SET (change/create/delete)
them.
15. IANA Considerations
To be added in a later version of this document.
16. References
16.1 Normative References
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, March 1997.
[RFC2578] McCloghrie, K., Perkins, D., and J. Schoenwaelder,
"Structure of Management Information Version 2 (SMIv2)",
STD 58, RFC 2578, April 1999.
[RFC2579] McCloghrie, K., Perkins, D., and J. Schoenwaelder,
"Textual Conventions for SMIv2", STD 58, RFC 2579, April
1999.
[RFC2580] McCloghrie, K., Perkins, D., and J. Schoenwaelder,
"Conformance Statements for SMIv2", STD 58, RFC 2580,
April 1999.
[RFC3031] Rosen, E., Viswanathan, A., and R. Callon, "Multiprotocol
Label Switching Architecture", RFC 3031, January 2001.
16.2 Informative References
[RFC3812] Srinivasan, C., Viswanathan, A., and T. Nadeau,
"Multiprotocol Label Switching (MPLS) Traffic Engineering
(TE) Management Information Base (MIB)", RFC 3812, June
2004.
[RFC3813] Srinivasan, C., Viswanathan, A., and T. Nadeau,
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"Multiprotocol Label Switching (MPLS) Label Switching
(LSR) Router Management Information Base (MIB)", RFC 3813,
June 2004.
[RFC3410] J. Case, R. Mundy, D. pertain, B.Stewart, "Introduction
and Applicability Statement for Internet Standard
Management Framework", RFC 3410, December 2002.
[RFC3811] Nadeau, T., Ed., and J. Cucchiara, Ed., "Definitions of
Textual Conventions (TCs) for Multiprotocol Label
Switching (MPLS) Management", RFC 3811, June 2004.
[RFC4802] Nadeau, T., Ed., and A. Farrel, Ed., "Generalized
Multiprotocol Label Switching (GMPLS) Traffic
Engineering Management Information Base", RFC
4802, February 2007.
[RFC5654] Niven-Jenkins, B., Ed., Brungard, D., Ed., Betts, M., Ed.,
Sprecher, N., and S. Ueno, "Requirements of an MPLS
Transport Profile", RFC 5654, September 2009.
[RFC6370] Bocci, M., Swallow, G., and E. Gray, "MPLS Transport
Profile (MPLS-TP) Identifiers", RFC 6370, September
2011.
17. Acknowledgments
The authors would like to thank Francesco Fondelli, Josh Littlefield,
Agrahara Kiran Koushik and Metrri Jain for their valuable comments.
18. Authors' Addresses
Sam Aldrin
Huawei Technologies
2330 Central Express Way,
Santa Clara, CA 95051, USA
Email: aldrin.ietf@gmail.com
Thomas D. Nadeau
CA Technologies
273 Corporate Drive, Portsmouth, NH, USA
Email: thomas.nadeau@ca.com
Venkatesan Mahalingam
Dell Inc.
350 Holger way, San Jose, CA, USA
Email: venkat.mahalingams@gmail.com
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Kannan KV Sampath
Aricent
India
Email: Kannan.Sampath@aricent.com
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