Battlefield 6 – Intel I226-V Network Disconnection Issue
System Configuration
Motherboard: ASUS ROG STRIX B650E-E GAMING WIFI
Network Adapter: Intel Ethernet Controller I226-V
Operating System: Windows 11 Pro 26H2
Game: Battlefield 6
Issue Description
While playing Battlefield 6, my Ethernet connection repeatedly disconnects, resulting in a complete loss of internet connectivity.
The issue occurs both during the game's loading process and while playing. In some cases, the connection drops only a few minutes after launching the game.
Interestingly, this problem appears to be specific to Battlefield 6, as the Ethernet connection remains stable during normal usage and other activities.
Troubleshooting Performed
I have carried out extensive troubleshooting, following the recommended network adapter configuration settings and attempting several potential fixes.
The troubleshooting included updating the Intel I226-V network adapter drivers, reviewing and adjusting advanced adapter settings, disabling Energy Efficient Ethernet (EEE), testing different Speed & Duplex configurations, disabling Interrupt Moderation, reviewing power management settings, and running several diagnostic commands using PowerShell and Command Prompt.
I also tested a different Ethernet cable, connected the PC directly to the router (bypassing the network switch), and tried different router LAN ports.
None of these measures resolved the issue. The Intel I226-V connection continued to drop while playing Battlefield 6.
Alternative Network Adapter Test – Successful Workaround
As a further diagnostic step, I installed an external Nanocable USB-C 2.5G Ethernet Adapter, equipped with a Realtek USB 2.5GbE Family Controller.
Using this adapter instead of the motherboard's integrated Intel I226-V Ethernet controller, Battlefield 6 ran for more than 2 hours now and completed several game sessions without a single network disconnection.
This is particularly relevant because the same PC, router, Ethernet cable and internet connection were used. The only change was the network adapter.
Conclusion and Request for Investigation
Based on the tests performed, the issue appears to be associated with the integrated Intel I226-V network adapter, its driver, firmware or its interaction with Battlefield 6.
The fact that the problem disappears when using an alternative Realtek USB Ethernet adapter strongly suggests that the issue is related to the Intel network adapter or the way Battlefield 6 interacts with it.
I would appreciate it if the EA technical team could investigate whether there are any known compatibility issues between Battlefield 6 and the Intel I226-V Ethernet controller, particularly on ASUS motherboards using this network adapter.
I would also welcome any additional recommendations or technical guidance that could help identify and resolve the root cause
