IBM 6 MPLS Manuel d'utilisateur

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Specialized Models User Guide 6 MPLS Model User Guide
Modeler/Release 10.0 SPM-6-1
6 MPLS Model User Guide
Multi-Protocol Label Switching (MPLS) is a multi-layer switching technology that
uses labels to determine how packets are forwarded through a network. The
first part of this document describes key features of the MPLS specialized model
and the second part focuses on procedures for configuring MPLS in your
network model.
Model Features
This section contains a list of the main features available in the Multi-Protocol
Label Switching model:
The MPLS model captures the following protocol behavior:
Table 6-1 MPLS Model Features
Feature Description
LSP (Label Switched Path) configuration
LSPs can be created manually or
automatically from traffic conversation
pairs.
LSPs are easily reused in other scenarios
or projects by using the LSP import and
export features.
Both dynamic and static LSPs are created
using the path object.
Differential Services (DiffServ)
DiffServ extensions, as defined in
RFC-2475, are provided.
The model enables you to perform QoS
(quality of service) analyses by accounting
for different types of service.
Traffic Engineering Traffic engineered routes are computed
using Constrained Shortest Path First
(CSPF) with OSPF or IS-IS routing protocols.
End of Table 6-1
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Résumé du contenu

Page 1 - 6 MPLS Model User Guide

Specialized Models User Guide 6 MPLS Model User GuideModeler/Release 10.0 SPM-6-16 MPLS Model User GuideMulti-Protocol Label Switching (MPLS) is a mul

Page 2

Specialized Models User Guide 6 MPLS Model User GuideSPM-6-10 Modeler/Release 10.0Figure 6-10 Recovery Parameters Configuration• Setup Parameters—sp

Page 3 - Model Attributes

Specialized Models User Guide 6 MPLS Model User GuideModeler/Release 10.0 SPM-6-11LSP BrowserAfter you create the LSPs in the network, you may want to

Page 4 - SPM-6-4 Modeler/Release 10.0

Specialized Models User Guide 6 MPLS Model User GuideSPM-6-12 Modeler/Release 10.0Available StatisticsTo analyze MPLS performance, you can collect pat

Page 5 - Modeler/Release 10.0 SPM-6-5

Specialized Models User Guide 6 MPLS Model User GuideModeler/Release 10.0 SPM-6-13Configuring MPLS in a NetworkConfiguring MPLS in a network is a thre

Page 6 - Router Attributes

Specialized Models User Guide 6 MPLS Model User GuideSPM-6-14 Modeler/Release 10.02 If you have not assigned IP addresses to all connected interfaces

Page 7

Specialized Models User Guide 6 MPLS Model User GuideModeler/Release 10.0 SPM-6-15Constrained OSPF (CSPF) is used to implement constraint-based routin

Page 8 - Simulation Attributes

Specialized Models User Guide 6 MPLS Model User GuideSPM-6-16 Modeler/Release 10.0Creating FECs and Traffic TrunksThe traffic engineering bindings tha

Page 9 - LSP Attributes

Specialized Models User Guide 6 MPLS Model User GuideModeler/Release 10.0 SPM-6-17Creating TE Bindings on LERsAfter you create the LSPs, FECs, and tra

Page 10 - SPM-6-10 Modeler/Release 10.0

Specialized Models User Guide 6 MPLS Model User GuideSPM-6-18 Modeler/Release 10.0Exporting LSP Configuration Details for Use in Other ScenariosYou ca

Page 11 - LSP Browser

Specialized Models User Guide 6 MPLS Model User GuideModeler/Release 10.0 SPM-6-19Applying QoS to an MPLS Network ModelDifferential Services (DiffServ

Page 12 - Available Statistics

Specialized Models User Guide 6 MPLS Model User GuideSPM-6-2 Modeler/Release 10.0• MPLS models are implemented based on information available from the

Page 13 - Configuring MPLS in a Network

Specialized Models User Guide 6 MPLS Model User GuideSPM-6-20 Modeler/Release 10.0If you change the queuing scheme later, make sure you reset the queu

Page 14 - SPM-6-14 Modeler/Release 10.0

Specialized Models User Guide 6 MPLS Model User GuideModeler/Release 10.0 SPM-6-21MPLS Menu OperationsThe Protocols > MPLS menu enables you to conf

Page 15 - Modeler/Release 10.0 SPM-6-15

Specialized Models User Guide 6 MPLS Model User GuideSPM-6-22 Modeler/Release 10.0Information for OPNET Modeler UsersThe rest of this document contain

Page 16 - SPM-6-16 Modeler/Release 10.0

Specialized Models User Guide 6 MPLS Model User GuideModeler/Release 10.0 SPM-6-3Node ModelsThe MPLS model suite supports workstation, server, router,

Page 17 - Creating TE Bindings on LERs

Specialized Models User Guide 6 MPLS Model User GuideSPM-6-4 Modeler/Release 10.0Figure 6-2 Specifying FEC AttributesThe FEC Details Table helps def

Page 18 - SPM-6-18 Modeler/Release 10.0

Specialized Models User Guide 6 MPLS Model User GuideModeler/Release 10.0 SPM-6-5• LSP Specification File This attribute indicates whether the network

Page 19 - Modeler/Release 10.0 SPM-6-19

Specialized Models User Guide 6 MPLS Model User GuideSPM-6-6 Modeler/Release 10.0Figure 6-5 Mapping EXP Bits to Drop Precedence and PHBRouter Attrib

Page 20 - Scheme before setting

Specialized Models User Guide 6 MPLS Model User GuideModeler/Release 10.0 SPM-6-7When an unlabeled packet arrives at an ingress LER, the following seq

Page 21 - MPLS Menu Operations

Specialized Models User Guide 6 MPLS Model User GuideSPM-6-8 Modeler/Release 10.0Figure 6-7 Configuring LDP ParametersSimulation AttributesThe follo

Page 22 - Model Architecture

Specialized Models User Guide 6 MPLS Model User GuideModeler/Release 10.0 SPM-6-9LSP AttributesSome of the important LSP attributes are described belo

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