
Data Link Switching Overview
304233-A Rev. 00
1-31
In Figure 1-17, routers 1 and 2 are running the DLSw/APPN boundary function.
The path between the PU 2.1 device on router 1 and the PU 2.1 device on router 2
passes through all the components involved in a communication between the two
PU2.1 devices.
Figure 1-17. End-to-End Connection Using Two DLSw/APPN Routers
IP network
DLS0055A
TR
TR
DLSw/APPN
router 1
TCP/IP
DLSw
LLC2
VCCT
SDLC
APPN
PU 2.1
PU 2.1
TR
TCP/IP
DLSw
LLC2
VCCT
SDLC
APPN
DLSw/APPN
router 2
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