Avaya Configuring ATM and MPLS Services Manual do Utilizador descarregar pdf (Página 7)

117374-C Rev 00

vii

LAN Emulation States ............................................................................................1-36

Initial State .......................................................................................................1-37

LECS Connect State .......................................................................................1-37

Configure State ................................................................................................1-37

Join State .........................................................................................................1-37

Initial Registration State ...................................................................................1-38

BUS Connect State .........................................................................................1-38

Operational State .............................................................................................1-38

Multi-Protocol over ATM Concepts ...............................................................................1-39

MPOA Logical Components ...................................................................................1-39

MPOA Basic Elements ...........................................................................................1-40

Establishing a Network Cut-Through .....................................................................1-41

ATM Router Redundancy Concepts .............................................................................1-43

PVC Operations and Management Concepts ..............................................................1-44

OAM Loopback ......................................................................................................1-45

OAM Alarms ...........................................................................................................1-45

For More Information ....................................................................................................1-46

Where to Go Next .........................................................................................................1-47

Chapter 2

Understanding MPLS

MPLS General Information .............................................................................................2-2

MPLS System Overview .................................................................................................2-3

Label Distribution Entity ...........................................................................................2-4

MPLS Label Management ........................................................................................2-4

Forwarding ...............................................................................................................2-4

The MPLS Network ........................................................................................................2-5

Label Switching Router ............................................................................................2-6

Label Edge Router ...................................................................................................2-6

Supported Protocols .......................................................................................................2-7

For More Information ......................................................................................................2-7

Where to Go Next ...........................................................................................................2-8

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Avaya Configuring ATM and MPLS Services Manual do Utilizador Página 7