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Low Background Traffic Recommended
• The kernel stack is not performant, and is only intended for light background traffic.
• If any applications generate high traffic, consider accelerating them with Onload.
• IGMP snooping is strongly recommended.
See the Onload User Guide (UG1586) to accelerate applications.
Focused Feature Set
• Some features not normally used in low latency deployments because of their adverse impact
have been removed.
• The maximum MTU is 1500 bytes.
See Features.
Standardized Tools for Firmware Management
• The sfupdate and sfboot utilities are no longer used.
• The devlink or ethtool Linux utilities are instead used for update, configuration and
information.
See
Chapter 6: Programming the
Higher Power Requirement
• Power draw varies more with traffic load.
• The X3522 uses more power than the X2-series.
• Its airflow requirements are consequently higher.
See the Alveo X3522 Data Sheet (DS1002).
DSFP28 Cages
• The X3522 has two DSFP28 cages, each of which supports two ports.
• If you connect a DSFP28 cable, or a DSFP28 to SFP splitter, both ports for the cage are
exposed.
• If you connect an SFP cable, only the first port for the cage is exposed.
• Ports are currently 10 GbE only.
See
Ports
and the Alveo X3522 Installation Guide (UG1522).
UG1523 (v1.0) October 18, 2022
Alveo X3522 User Guide
X3522.
Chapter 2: X3 Migration Quickstart
www.xilinx.com
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