
Configuring DLSw Services
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To tune DLSw single- and dual-switch services, use the DLSw advanced global
and advanced interface parameters.
Adding Single-Switch DLSw Services
When configuring a DLSw single-switch network, DLSw is enabled on each
relevant interface. Using single-switch mode allows communication between:
• Devices attached to different local interfaces on the same router. For example,
an SDLC-attached 3274 control unit can communicate with a local
LAN-attached SNA server (Figure 4-1
).
• A local device and an SNA device directly attached to a Frame Relay network.
An SNA device connected to Router B (Figure 4-1
) can communicate with the
AS/400 using either BNN or BAN protocols.
• SNA and NetBIOS devices attached to different routers, each running DLSw.
For example, a NetBIOS client attached to Router A can communicate with
the NetBIOS server connected to Router B (Figure 4-1
). The connection can
cross multiple routers running DLSw. Since DLSw is running on the WAN
interface, the router operates as single-switch DLSw.
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