# Re: \[RFC net-next 2/2\] net: dsa: mt7530: trap packets from standalone ports to the CPU

- From: DENG Qingfang \<dqfext@gmail.com\>
- Date: 2021-07-29 16:12:50 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2021/07/1462321
- Thread: https://ratatoskr.run/netdev/2021/07/1461210/t.md

```text
On Thu, Jul 29, 2021 at 11:28 PM Vladimir Oltean [ref] wrote:
> Actually, on second thought...
> If MT7530 supports 8 FIDs and it has 7 ports, then you can assign one
> FID to each standalone port or VLAN-unaware bridge it is a member of.

The problem is, there is no way to do that..

According to the reference manual:
Filter ID is learned automatically from VLAN Table. 0 is the default value if
VLAN Table is not applicable.

So it is always 0 in VLAN-unaware mode.

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