NIC Issue between pfsense and an unmanaged switch
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Hi everyone,
I dabble in networking as one of my hobbies and I am running into an odd issue with pfsense. I have an older pc running 2.7.2-RELEASE (amd64) with a 10Gb Dual LAN Base-T PCI-e Network Card, Intel X540. One port of the nic is setup as my WAN interface, and the second part runs to a unmanaged switch (8 Port 2.5G Unmanaged Ethernet Switch with 10G SFP, VIMIN).
The WAN port correctly detects the negotiated speed as 10Gbase-T <full-duplex>, however the LAN port going to the switch drops from 10Gbase-T <full-duplex,rxpause,txpause> to 100baseTX <full-duplex,rxpause,txpause>. I have tested the cable between the two and there don't seem to be any issue. Additionally, if I unplug and reconnect the switch the 10GB port of the switch pfsense will start to correctly detect the speed at 10Gbase-T for a while before it drops back down to 100baseTX
I have not purchased a different switch to try and determine if the issue is with the switch yet, and want to get some advice to try different solutions before going that route.
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I'd first try swapping the NIC assignments to be sure the port on the NIC is good.
Then I would try setting it to 1G fixed link speed and see if it comes up as that. This 'feels' like a link negotiation problem.
That NIC might support N-baseT so you could try linking it to one of the 2.5G ports.
Steve
