272 IBM z13s Technical Guide
7.3.46 OSA-Express4S 1000BASE-T Ethernet
The OSA-Express4S 1000BASE-T Ethernet feature is installed exclusively in the PCIe I/O
drawer. Each feature has one PCIe adapter and two ports. The two ports share a CHPID,
which is defined as OSC, OSD, OSE, OSM, or OSN. The ports can be defined as a spanned
channel, and can be shared among LPARs and across logical channel subsystems. The OSM
CHPID type was introduced with z196. For more information, see 7.3.49, “Intranode
management network” on page 274.
Each adapter can be configured in the following modes:
QDIO mode, with CHPID types OSD and OSN
Non-QDIO mode, with CHPID type OSE
Local 3270 emulation mode, including OSA-ICC, with CHPID type OSC:
– OSA-ICC (OSC Channel) supports Secure Sockets Layer on z13s and z13 Driver 27
servers
– Up to 48 secure sessions per CHPID (the overall maximum of 120 connections is
unchanged)
Ensemble management, with CHPID type OSM
Operating system support is required to recognize and use the second port on the
OSA-Express4S 1000BASE-T feature. Table 7-43 lists the minimum support requirements for
OSA-Express4S 1000BASE-T.
Table 7-43 Minimum support requirements for OSA-Express4S 1000BASE-T Ethernet
Linux on z Systems OSD:
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server 11
Red Hat RHEL 7
Red Hat RHEL 6
OSD:
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server 11
Red Hat RHEL 7
Red Hat RHEL 6
Operating system Support requirements
using two ports per CHPID
Support requirements
using one port per CHPID
Operating
system
Support requirements
using two ports per CHPID
Support requirements
using one port per CHPID
z/OS OSC, OSD, OSE, and OSN
b
: z/OS
V1R12
a
OSC, OSD, OSE, OSM, and OSN
b
: z/OS
V1R12
a
z/VM OSC, OSD
a
, OSE, and OSN
b
: z/VM
V6R2
OSC, OSD, OSE, OSM
ac
, and OSN
b
: z/VM
V6R2
z/VSE OSC, OSD, OSE, and OSN
b
: z/VSE
V5R1
OSC, OSD, OSE, and OSN
b
: z/VSE V5R1
z/TPF OSD, OSC, OSN
b
: z/TPF V1R1 OSD, OSC, OSN
b
: z/TPF V1R1
IBM
zAware
OSD OSD
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