Need help with casting (mDNS) over different VLANS

Need help with casting (mDNS) over different VLANS

Need help with casting (mDNS) over different VLANS
Need help with casting (mDNS) over different VLANS
2024-05-04 18:43:48
Tags: #mDNS #Omada
Model: OC200  
Hardware Version:
Firmware Version: V5.13.30.20

I am using TPLink Omada ER605 v2, OC 200 and 3 EAP 670 in my home topology along with a managed Omada switch.

 

How my network is configured

First we have 3 Vlans

 

Admin : 1

Primary : 10

IoT Devices : 40

 

 

What I want is that my smart tv, printer etc are on Vlan 40. But my cellphone etc are on VLan 10.

And by doing so, I can cast from my cellphone (VLan 10) to devices on IoT Devices (VLan 40).

However, it's not working no matter how I cnonfigured.

Here is my configurations

There are two WiFi Networks

 

Drop It Like It's HotSpot : Primary on VLan 10

IOTeaTime : IoT Wifi on Vlan 40

 

 

The ACLs are as follows

 

IoT Devices -> Admin (Vlan 1/ untagged) : Denied

IoT Device -> Primary (VLan 10) : Allowed

Primary -> IoT Devices (Vlan 40) and Admin (Vlan 1/ untagged) : Allowed

Admin -> Primary (VLan 10) and IoT Devices (Vlan 40) : Allowed

 

In short except from having IoT Device accessing Admin, every other configuration is allowed explicitly. This works as well as I've tried ping test and seems to be all good.

 

 

Next comes the Bonjourn Services. They're mostly the default one but I added the last one (Google Cast)

 

 

 

Lastly we have the mDNS rules.

 

In Which all services in IoT Device (Vlan 40) is allowed on other vlans of Admin(VLan 1/untagged) and Primary (Vlan 10).

 

 

By all means this seems good to me config wise.

 

However when my cellphone is on SSID of Vlan 10 Primary, I can't cast, airplay find my printer etc etc.

When My cellphone is on SSID of Vlan 40 it works all good.

 

It seems like mDNS over VLAN is not working .

 

Please help. Am I missing some other setting?

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2 Reply
Re:Need help with casting (mDNS) over different VLANS
2024-05-06 06:29:10

Hi @eggman89 

What if you try to add an ACL rule to permit the UDP protocol from IoT network to Admin network? Will it work? The permit rules you have set up do not have any influence since the VLAN interface should be reachable for each other.

And here is the mDNS Repeater on the Router Doesn't Take Effect troubleshooting for your reference.

Best Regards! >> Omada EAP Firmware Trial Available Here << >> Get the Latest Omada SDN Controller Releases Here << *Try filtering posts on each forum by Label of [Early Access]*
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#2
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Re:Need help with casting (mDNS) over different VLANS
2024-08-22 14:20:31

  @eggman89 were you able to get this working?  I have a similar setup I'm looking to use.  Having the same issues at the moment.

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