
154 EFS Systems on a Linux Base: Additional Topics
Ethernet LAN with an osasna device. For reasons we will explore later, neither zos1 nor zos2
required an Ethernet connection to our LAN.
Figure 11-1 Server configuration in the lab
11.2 Selecting and initializing the adapters
SNA over LAN can use its own, dedicated Ethernet adapter or can ‘piggyback’ onto an
adapter that has either a server or an MVS TCP/IP stack (or both) already installed. Each
system that will connect via SNA protocols over the LAN is identified by the combination of
the Medium Access Control address of the Network Interface Card (MACADDR) and a
Service Access Point (SAPADDR). ...