Port Modes - Port Modes - UG1739

AMD Solarflare X4 Series Ethernet Adapter User Guide (UG1739)

Document ID
UG1739
Release Date
2026-07-01
Revision
1.2 English

The port mode is a global setting that applies to all ports on the adapter.

The port mode is configured using the Linux devlink command. See Reconfiguring the Adapter.

A server reboot (power off/on) is required following changes to the port mode.

Table 1. Port Modes per Model
Adapter Model Port Mode
X4522 [1x1/10/25/50G][1x1/10/25/50G]*
X4542 [1x1/10/25/40/50/100G][1x1/10/25/40/50/100G]*
[4x1/10/25G]
The mode annotated with * is the default port mode for that model

Port modes are illustrated in the following sections.