Table of Contents (exploded view)

If you have a technical problem

Summary of changes

OSA-Express guide

Introducing OSA-Express2, OSA-Express3, OSA-Express4S, and OSA-Express5S

OSA-Express physical feature descriptions

The OSA-Express2, OSA-Express3, OSA-Express4S and OSA-Express5S 10 Gigabit Ethernet features
The OSA-Express2, OSA-Express3, OSA-Express4S and OSA-Express5S 1000BASE-T Ethernet features

OSA-Express 1000BASE-T Ethernet LAN speeds and duplex modes

OSA-Express supported functions

OSA-Express Layer 2 transport

Software requirements

Software requirements

OSA-Express2, OSA-Express3, OSA-Express4S, and OSA-Express5S supported functions

Segmentation Offload (Large Send)

640 TCP/IP stacks

Multiple control unit support

Layer 3 Virtual MAC for z/OS environments

OSA-Express Network Traffic Analyzer (OSAENTA)

QDIO Diagnostic Synchronization (QDIOSYNC)

QDIO connection isolation

OSA support for Link Aggregation (IEEE 802.3ad)

OSA-Express for NCP

OSA-Express3, OSA-Express4S, and OSA-Express5S-only supported functions

OLM - Optimized Latency Mode

Inbound workload queueing

Multi-VSwitch Link Aggregation

Enhanced network availability

Open Systems Adapter/Support Facility (OSA/SF)

OSA-Express hardware configuration

Defining and configuring an OSA using HCD

Sample HCD input for OSA CHPID types

Example 2: CHPID type OSX (OSA-Express for zBX IEDN)

Example 3: CHPID type OSM (OSA-Express for zManager and the INMN)

Notes for OSM

Example 4: CHPID type OSE (non-QDIO, for TCP/IP passthru and SNA/APPN/HPR traffic)

Example 5: OSN and 3745 devices (OSA-Express for NCP)

Define the OSAD device for OSA/SF

Tips for “Define OSA device” for OSA/SF in HCD

Setting up OSA/SF on z/OS

Setting Up OSA/SF on z/VM

Setting Up OSA/SF on z/VSE

Setting up and using the OSA/SF interfaces

Setting up the REXX command interface

Using the IOACMD EXEC interface

Setting up an OSA/SF GUI

Customize a TCP/IP connection

Setting Up TCP/IP

Customize a TCP/IP connection for z/VSE

Starting the OSA/SF GUI

Using the OSA/SF GUI

Debugging the OSA/SF GUI startup

Host program setup

Overview

For more information

QDIO definitions on z/OS

IP modes for CHPID type OSE (non-QDIO) on z/OS

TCP/IP definition requirements for CHPID type OSE IP modes

SNA modes for CHPID type OSE on z/OS

External Communication Adapter (XCA) major node for SNA

Switched Network (SWNET) major node for SNA

At the Physical Unit (PU)

Configuring OSA-Express modes

Using the REXX command interface to configure OSA-Express CHPIDs

Using the GUI to configure OSA-Express CHPIDs

What next

The SNA OAT entries

What next

Activating the configuration

SNA configuration settings

OSA-Express reference

OSA port management

Enabling and disabling ports

MAC addresses

Canonical versus noncanonical format

OSA-Express direct SNMP support

OSA-Express direct SNMP support for Linux on z Systems

Starting the OSA-Express direct SNMP subagent

How to stop the subagent

Additional resources

Problem determination aids

Using OSA/SF problem determination aids

OSA/SF message log

OSA/SF trace table

Resource Measurement Facility

Reporting OSA/SF problems to IBM

Servicing OSA-Express and OSA/SF

Examples of removing data sets or files from the system

About the OSA Address Table (OAT)

OSA/SF commands for REXX

How to read syntax diagrams

CLEAR_DEBUG | CLR | CLR_DEBUG | CLEAR

OSA/SF messages and codes

OSA/SF messages

SNMP subagent messages

SNMP subagent messages

OSA reject, error, and Network Analyzer (OSAENTA) codes

OSA reject codes

Internal errors

Physical connection information

Physical ports and status indicators

OSA-Express functional limits and LAN transmission summary

Notices