X550-T2 reverting to 100Mbps on 1Gbps link.

Started by SpuddyUK, January 22, 2022, 03:01:21 PM

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January 22, 2022, 03:01:21 PM Last Edit: January 22, 2022, 03:56:18 PM by SpuddyUK
Hi,

Recently upgraded my opnsense hardware to 10Gb (X550-T2) so that my inter-vlan traffic doesn't impact my 1Gbps WAN speed. However, I'm finding that periodically my 1Gbps connection to my fibre ONT (opnsense WAN PPPoE interface) is reverting to 100Mbps. I have tried "default", "autoselect" and "1000baseT". All seem to connect fine at 1Gbps but demote to 100Mbps after varying periods of time, sometimes days. A reboot of opnsense usually solves it until the next time.

How best can I troubleshoot this?

Thanks
S
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