
Configuring DLSw Services
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304233-A Rev. 00
In Figure 1-16, router 1 is running the DLSw/APPN boundary function. Router 2
is running DLSw only. The path between the host on router 1 and the PU 2.0
device on router 2 passes through all the components involved in a communication
between the host and the device. (DLUR, a component within APPN, is required
because the 3174 system is configured as PU 2.0.)
Figure 1-16. End-to-End Connection Using a DLSw/APPN Router and a
DLSw Router
IP network
DLS0037A
TR TR
DLUR
DLSw/APPN
router 1
DLSw
router 2
TCP/IP
TCP/IP
DLSw DLSw
LLC2
LLC2
VCCT
SDLC
APPN
Host 3174PU2.0
Key
DLUR=dependent logical unit requestor
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