
DLSw Configuration Overview
114063 Rev. A 3-17
• Clock Source
• Internal Clock Speed
• Sync Line Coding
For information on configuring the SDLC line parameters, refer to Chapter 4.
Local Devices
DLSw uses Local Device entries to define SDLC-attached SNA physical units
(PUs) to the router. NetBIOS does not support SDLC-attached devices.
To take advantage of integrated SDLC services in DLSw, you must define the
SDLC devices that you want to appear as natively attached to the LAN. When you
define such devices, you map the devices to LAN MAC and SAP addresses.
You can add Local Devices at the following times:
• When you add SDLC to a synchronous circuit and add the DLSw protocol to
that circuit.
• When you edit a synchronous circuit that already has SDLC and DLSw on it.
• When you edit DLSw interface parameters. In this case, the interface whose
parameters you edit must already have at least one local device defined on it.
Several Local Device parameters must match other entries in the router, or in the
attached SDLC device. These include:
• Link Address (hex)
• PU Type
• IDBLOCK and IDNUM
• XID Format
• Source (Host) MAC (hex)
• Destination (Host) MAC (hex)
• Source (Virtual) SAP (hex) and Destination (Host) SAP (hex)
For information on these parameters, refer to Chapter 4.
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