User Manual

These cables and transceivers were tested and deemed interoperable with Broadcom's
Ethernet network adapters. Note this list does not imply full qualification of the cables.
User Guide
Please refer to the following user guide for configuring Broadcom Ethernet Adapters:
Broadcom Ethernet Network Adapter User Guide
Notes
Repaving Feature:
● The repaving feature is new with the 220.0 release. It currently supports restoring the
firmware only to revision 220.0 or later.
● Attempting a repaving action to firmware older than 220.0 might result in card corruption.
SW/FW:
● The SW/FW versions listed in the “Release Version Information Table” are the only
supported combinations at this point.
Linux ethtool:
● The "rx_errors" output of "ethtool -S ethX" is for diagnostic/debugging purposes only.
This counter reflects all invalid packets including the frames that are not destined for the
current MAC addresses.
RoCE and SR-IOV:
● Whitney+ support for RoCE over SR-IOV VFs is deprecated in this release. RoCE PF
operation can co-exist with SR-IOV VFs on the same PF/Device, but SR-IOV is explicitly
prevented from operating on VFs as of this release.
RoCE Related:
● Starting in release 2.23, the default RoCE congestion control algorithm is changed to
DCQCN-P from DCTCP. The switch ECN settings for RoCE packets therefore need to
be modified. Please refer to the user guide for recommended switch configuration
settings.
● In release 2.23, the IPv4 RoCE v2 GID index for a typical case is 3. Please refer to the
User guide for best practices in determining GID type using the Linux sysfs interface.
● Different MTU size are not supported across different nodes of RoCE Cluster
● ETS has limitations in the RoCE LAG environment in port toggle scenarios
● RoCE Oversubscription is not supported
Generic UCX Support for Single Host non-virtualized environments: