LAN channel station device driver

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LPAR mode z/VM guest

The LAN channel station device driver (LCS device driver) supports Open Systems Adapters (OSA) features in non-QDIO mode up to OSA-Express4S.

The LCS device driver supports OSA-Express features for the IBM Z® mainframes that are relevant to Ubuntu Server 20.04.1 as shown in Table 1.
Table 1. The LCS device driver supported OSA features
Feature z15™ z14 z13® and z13s®
OSA-Express7S 1000Base-T Ethernet Not supported Not supported
OSA-Express6S 1000Base-T Ethernet 1000Base-T Ethernet Not supported
OSA-Express5S 1000Base-T Ethernet 1000Base-T Ethernet 1000Base-T Ethernet
OSA-Express4S 1000Base-T Ethernet 1000Base-T Ethernet 1000Base-T Ethernet
OSA-Express3 1000Base-T Ethernet Not supported Not supported

The LCS device driver supports automatic detection of Ethernet connections. The LCS device driver can be used for Internet Protocol, version 4 (IPv4) only.