Enabling vlans breaking network

[cTurtle98]

hello I need help

I am trying to setup this

I am trying to segment my network

vlan 4 and vlan 2 need to have SSIDs

the problem is whenever I go to my openwrt router's switch config and try to add a vlan my connected laptop suddenly says "connected no internet"

am I doing something wrong here?

[cTurtle98]

this is the default config that works

[cTurtle98]

as soon as I add a vlan it stops working:

and if I delete vlan 10 and switch lan4 back to untagged on vlan 1 it goes back to working

[aboaboit]

Hmm, it could well be something similar my 4040: try using a VLAN number other than 1 or 2.

[123serge123]

I think that your switch (or switch driver) isn't support both tagged and untagged frames at the same port (cpu port in your case).

[cTurtle98]

big numbers don't seem to work

[lleachii]

Big numbers wont work on some devices without advanced configs...some switch drivers only go up to 128.

And your VLAN config where CPU is untagged is wrong.

[123serge123]

Vlan numbers don't matter. Any configuration where cpu port is tagged and untagged at the same time will break connection.

[aboaboit]

There is such a thing as "too great"
Fix the tag / untag on cpu and try those (lower) numbers.

[cTurtle98]

10x with tagged on both doesn't work

[cTurtle98]

x0 numbers with both tagged dont work either

and yes my LAN is using eth0.20 as its device

[cTurtle98]

its more broken than just I dont have internet

opkg doesn't work with the second vlan there

[cTurtle98]

but if I delete the second vlan everything starts working again

[123serge123]

Let's go step by step.

1. In your original config you must not only change switch to vlan 1 cpu port tagged, but main network interfaces change in lan interface to physical interface eth0.1 too.
2. If all work than you can add another vlans.

[cTurtle98]

this works