Visara CNA-8000 Installation - Manual (Page 97)

CNA-8000 Installation and Configuration
707158-003 8-1
Chapter 8. Gateway Circuit Configuration
XCA gateways on the CNA-8000 are used to provide data pipes for SNA traffic between
an ESCON or FICON subchannel interface and a LAN adapter. On the host side,
switched PU 2.0 or 2.1 nodes defined in VTAM communicate through the XCA gateway
to what appears to be LLC attached LAN nodes. Traffic exiting the XCA data pipe in the
CNA-8000 always arrives on the LAN side in LLC format. Gateway Circuits are used on
the CNA-8000 to direct this LLC traffic and provide a further reformatting of the data to
communicate with three different types of drops, LLC, SDLC, and DLSw.
The resulting Configure Gateway Circuits panel appears similar to the one below: