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Configuring DLSw Services

1-10

Figure 1-6 illustrates a DLSw dual switch-to-switch network with SDLC clients

using DLSw services at the local router to communicate over TCP/IP with a

remote host attached to a Token Ring LAN.

Figure 1-6. SDLC Conversion in a Dual Switch-to-Switch Conﬁguration

In this example, the local router performs the following operations:

• Terminates the SDLC sessions

• Converts the SDLC trafﬁc to DLSw Switch-to-Switch Protocol (SSP) format

for TCP/IP routing

• Forwards the trafﬁc to the remote router

The DLSw remote router does the following:

• Converts the trafﬁc to the appropriate format

• Sends the trafﬁc to the destination host

In Figure 1-6, the SDLC clients appear to the network and to the Token Ring

LAN-attached host as if they were natively attached LAN devices.

Client

Router

Host

Client

Modem

Sharing

Device

LAN

TCP/IP

Network

SDLC

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Avaya Configuring DLSw Services Manual do Utilizador Página 32