Avaya Bay Dial VPN Networks Manual de usuario descargar pdf (Pagina 6)

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RADIUS Accounting Server .............................................................................1-13

DHCP Server ...................................................................................................1-14

Additional Planning Information .............................................................................1-14

Where to Go Next .........................................................................................................1-14

Chapter 2

Dial VPN Layer 2 Tunneling

Building a Network for Layer 2 Tunneling .......................................................................2-2

L2TP Packet Encapsulation ............................................................................................2-4

Nortel Networks L2TP Implementation ...........................................................................2-5

Tunnel Management in L2TP Tunnels ............................................................................2-6

Security in an L2TP Network ..........................................................................................2-7

Tunnel Authentication ...............................................................................................2-7

RADIUS User Authentication ...................................................................................2-9

RADIUS Accounting .....................................................................................................2-10

L2TP IP Interface Addresses ........................................................................................2-10

Remote Router Configuration ................................................................................2-11

Starting an L2TP Session .............................................................................................2-11

Examples of L2TP Tunnels ...........................................................................................2-12

Making a Connection Across an L2TP Network ...........................................................2-13

When Does Dial VPN Tear Down the Tunnel? .......................................................2-14

Chapter 3

Dial VPN Layer 3 Tunneling

Building a Network for Layer 3 Tunneling .......................................................................3-2

How Tunnel Management Works ....................................................................................3-5

Tunnel Management in an

erpcd

-Based Network ....................................................3-5

Tunnel Management in an All-RADIUS Network ......................................................3-6

How the TMS Database Works ................................................................................3-6

Dynamically Allocating IP Addresses .............................................................................3-7

Using DHCP for Dynamic IP Address Allocation .....................................................3-7

How DHCP Works ....................................................................................................3-8

Using RADIUS for Dynamic IP Address Allocation ................................................3-10

How Dynamic IP Address Allocation Works .................................................................3-10

Assigning Addresses ..............................................................................................3-11

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Avaya Bay Dial VPN Networks Manual de usuario Pagina 6