Introduction to RoCE Express

RoCE Express is a PCI network adapter for IBM Z® and LinuxONE hardware. You can order RoCE Express as a hardware feature.

Photographic image of a RoCE Express2 feature — Figure 1. 10 GbE RoCE Express2 feature with two adapter ports

About RoCE Express
Depending on your environment and requirements, RoCE Express can be an alternative to network adapters that are attached through the IBM Z channel subsystem.
Models and supported environments
You can use the RoCE Express features of your IBM Z or LinuxONE hardware for network attachment of Linux in traditional LPAR mode, in DPM partition mode, or as a KVM or z/VM® guest.
Identifiers
You must know how to identify PCI functions within Linux and on hardware interfaces.
Online and configuration state
Changing the online state of a PCI function within Linux in LPAR or DPM partition mode also changes the function's configuration state in the partition.

Parent topic: Networking with RoCE Express