[FS#1147] VLAN problem with MT7530 switch

[LEDE Bugs]

The following task has a new comment added:

FS#1147 - VLAN problem with MT7530 switch
User who did this - Jaap Buurman (Mushoz)

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Thank you very much for your effort. Unfortunately, the issue remains. My home network is using VLANs 1, 2, 4 and 6. My old configuration had a dummy VLAN at 3 and 5 to fix the issue.

I just compiled and flashed from your staging tree, however, when adding VLAN 8 this new VLAN is nonfunctional. Changing it to VLAN 7 (the next in line) instantly fixes this. Changing it back to VLAN 8 breaks it again. And so on, so forth.

If you have any other ideas, I would be more than willing to help in testing. Thanks again! :)
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=1147#comment4317