VLAN routing stops working by itself

[FarmerB3d]

Folks,

I posted about this a while back but it seemed like a ramble…

I have a VLAN (300) which simply has an any/any rule. From laptop plugged into the switch I can ping the vlan's gateway. Perfect. I can also ping 8.8.8.8. This stays working for a while.

I go to speedtest.net and do a speed test and all of a sudden it stops working.

The screen print below is my test laptop connected into the switch. Pinging quite happily and all of a sudden the lights when dim.

I have:
Netgear switch;
Port 5 (U, 300, laptop)
Port 6 (T, trunk to OPT6 (trunked) on pfsense)

pfSense;
OPT6 2 VLANS, 300, 400
Rule in VLAN300 any/any

VLAN1 = 10.10.50.1/24
VLAN300 = 10.10.30.1/24

As said, this all works so I don't think there is any issue with the config.
It just stops working by itself. VLAN1 continues to work without hassle.

A reboot of pfSense is the only way to solve it (that I have found so far). Still trawling through the logs.
Hardware is a Gigabyte JI900 which, other than this issue, has never missed a beat in 3 years.

Any help with finding out why this is happening?

thanks,

[FarmerB3d]

ok, so a resolution is to ssh into pfsense and down/up the nic which the vlans are running on.

As soon as I do that the ping to the GW starts working again.

Does this suggets the NIC is porked?

[FarmerB3d]

And the culprit is….. the NIC :(

I've disabled it and used a - gasp - USB3 one I had knocking around.
So far, so good. Get a shade over 200Mb/s throughput which is more than ample for my needs (IoT wifi)