
Configuring DLSw Services
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Adding Dual-Switch DLSw Services
When configuring DLSw dual-switch services, DLSw is enabled only on
interfaces supporting LAN- or SDLC-attached devices. The links between routers
are configured for IP routing. DLSw is not configured on these links.
Figure 3-5 illustrates a DLSw dual switch network. In this network:
• Dual-switch services is used between routers. Any SNA device attached to
Router A can communicate with the AS/400 or FEP connected to Router B.
• Single-switch conversion can be used between DLSw interfaces on Router A,
as well as between the DLSw interfaces on Router B. This allows the AS/400
to communicate with the FEP.
• The connection between Router A and Router B can be any medium that
supports IP.
Intermediate routers that are located between Router A and Router B must
transport IP packets using IP routing. DLSw is not required by the intermediate
node.
Figure 3-5. DLSw-Dual Switch Network Example
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Router B
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Front-end processor
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Frame Relay Network
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Router A
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