Ultimate Settings for Ubiquiti Pro XG 8 PoE for Best Speed

To maximize speed and performance with the Ubiquiti Pro XG 8 PoE switch (USW-Pro-XG-8-PoE), consider the following recommended settings and best practices:

Key Hardware Features

  • 8x 10GbE RJ45 PoE++ ports and 2x 10G SFP+ ports.

  • Layer 3 managed switch with advanced features (VLANs, LACP, static routing, QoS, etc.)

  • PoE++ (802.3bt) support: Up to 60W per port, 155W total PoE budget.

  • Non-blocking throughput: 100 Gbps, switching capacity: 200 Gbps.

  • Enable Jumbo Frames: Set MTU to 9000 on all devices and ports where supported to reduce overhead and improve throughput for large file transfers within your LAN.

  • Configure LACP (Link Aggregation): Use LACP to aggregate multiple ports for uplinks or high-bandwidth devices, doubling or quadrupling available bandwidth for critical links.

  • Optimize VLANs: Segment your network using VLANs for better traffic management and security, but ensure inter-VLAN routing is enabled if needed.

  • Enable Flow Control: This can help manage bursty traffic and prevent packet loss in high-speed environments.

  • Disable Storm Control or Set Appropriately: Storm control can limit broadcast/multicast traffic, but ensure it’s not set too low if your use case requires high multicast traffic (e.g., video streaming, conferencing).

  • Set QoS/DSCP Marking: Prioritize latency-sensitive traffic (VoIP, video conferencing) using QoS/DSCP settings.

  • Monitor and Limit PoE Usage: Ensure the total PoE draw does not exceed the switch’s 155W budget. Distribute high-power devices evenly across the switch.

  • Firmware Updates: Always keep the switch firmware up to date for performance improvements and bug fixes.

Additional Best Practices

  • Cabling: Use high-quality Cat 6a or Cat 7 cables for 10GbE RJ45 connections to avoid signal degradation and ensure maximum speed.

  • Port Settings: Ensure all ports are set to auto-negotiate or manually set to 10Gbps if using fixed speeds.

  • Etherlighting™: Use Etherlighting to visually confirm port speed and VLAN status, making troubleshooting easier.

  • Thermal Management: The switch has a fan that runs continuously at low speed, ensuring stable operation even under heavy load. Place the switch in a well-ventilated area.

Real-World Performance

  • Sustained Real-World Speeds: Expect close to 9.5Gbps throughput on wired connections, provided your devices and infrastructure support it.

  • Silent Operation: The switch remains largely silent and runs cool under typical workloads.

Summary Table

Setting Recommendation
Jumbo Frames Enable (MTU 9000)
LACP Enable for uplinks/aggregate
VLANs Segment as needed
Flow Control Enable
Storm Control Set appropriately
QoS/DSCP Prioritize critical traffic
PoE Monitoring Stay under 155W total
Firmware Keep updated
Cabling Cat 6a/7 for 10GbE
Port Speed 10Gbps (auto/manual)
Etherlighting Enable for status visibility
Ventilation Ensure good airflow

By following these settings and best practices, you will achieve the best possible speed and reliability from your Ubiquiti Pro XG 8 PoE switch.

Author

  • Danny

    Danny is a tech enthusiast. He enjoys getting his hands dirty with the features and settings of tech products and pushing them to their limits just to know how to get the best from them and how well they can endure "abuse" without breaking down. He shares his findings on this blog.

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