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markmcn
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Posts: 121
Joined: Wed Mar 03, 2010 2:15 am

Bridge Filtering with vlans

Tue Aug 01, 2023 1:43 am

Hi All,
I'm looking for some help with a test setup,
I've setup caps man 1 devices is the Managers and 1 device is acting as the AP.
The traffic is being bridged locally on the AP.
I've 2 different SSID's each one is tagged into different vlans. which generally flow out ether1 as tagged.
I planned on using a bridge filter rule to keep some mDNS local and stop it being forwarded out ether1.
However I've got an issue
When I create a bridge filter rule I had planned on matching by destination mac address and protocol udp 5353,
however to use the protocol & port option I need to set the mac protocol to 800(IP) however packet capture on the bridge
shows the ethertype to be 0x8100 since it's vlan tagged.
I am wondering is there a way to us bridge filtering selectively like this while still using vlan tags.
Any suggestions are appreciated
 
markmcn
Member Candidate
Member Candidate
Topic Author
Posts: 121
Joined: Wed Mar 03, 2010 2:15 am

Re: Bridge Filtering with vlans

Tue Aug 01, 2023 11:56 pm

I'm guessing that it can't be done :( that's unfortunate,

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