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Configuring DLSw Services

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304233-A Rev. 00

DLSw and Other Subsystems

A DLSw network configuration uses the services of other network subsystems.

When you select DLSw on an interface, the router software automatically selects

these required subsystems. In some configurations, the software requires that you

edit the parameters associated with these subsystems. Some parameters have

default values that you can either accept or edit. To simplify the editing of

additional parameters from multiple subsystems, the software combines these

parameters with the DLSw configuration screens.

Selecting DLSw may enable the following subsystems:

• A data link control subsystem, such as LLC2 (for LAN media and Frame

Relay), SDLC, QLLC, or APPN Boundary Function

• SRB or bridge subsystems

• TCP and IP subsystems (dual-switch only), where DLSw uses TCP/IP to

ensure reliable data delivery

Additionally, when you enable DLSw for the first time on a Bay Networks router,

the software automatically displays a set of DLSw screens. These screens display

parameters that DLSw requires before it can successfully communicate on the

network. These parameters include:

• DLSw global

• DLSw interface

• Slot table

Combining DLSw and SRB

A router running DLSw can communicate with a router running in an SRB

configuration. Multiple SRB networks can be interconnected locally or across a

TCP/IP backbone using DLSw (Figure 2-1

DLSw with SRB allows up to 13 total hops. This means that seven hops are

allowed on each side of the DLSw network, with one hop reserved exclusively for

DLSw. All other rules for configuring SRB networks using Bay Networks routers

apply. For detailed information on SRB, refer to Configuring Bridging Services.

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Avaya Configuring DLSw Services Manual do Utilizador Página 58