How do I make my Chromecast and other LAN devices see each other when my router's VPN client is activated to a VPN service provider?

domic

Regular Contributor
Hi, is it possible to (I use Merlin latest stable firmware), let's say, paid VPN provider X via OpenVPN protocol, let local devices see each other while they all are connected to the internet via said VPN provider, so that I can for example, start Casting a streaming service from my phone to the Chromecast device while it still thinks it is in another country?

Currently I've managed to set up all LAN devices to share the same IP my VPN provider has given my router, but I don't know what Asuswrt VPN client settings to configure so that they can see each other normally.
 

ColinTaylor

Part of the Furniture
IIRC Chromecast uses multicast so in theory it ought to work over the LAN regardless of whether the VPN is active or not.
 

sbsnb

Very Senior Member
Maybe I'm missing something, but doesn't the VPN only route traffic destined for somewhere outside of the LAN?
 

ColinTaylor

Part of the Furniture
Maybe I'm missing something, but doesn't the VPN only route traffic destined for somewhere outside of the LAN?
Indeed.

I don't understand what he means by "I've managed to set up all LAN devices to share the same IP my VPN provider has given my router".
 

Gary_Dexter

Regular Contributor
Hi, is it possible to (I use Merlin latest stable firmware), let's say, paid VPN provider X via OpenVPN protocol, let local devices see each other while they all are connected to the internet via said VPN provider, so that I can for example, start Casting a streaming service from my phone to the Chromecast device while it still thinks it is in another country?

Currently I've managed to set up all LAN devices to share the same IP my VPN provider has given my router, but I don't know what Asuswrt VPN client settings to configure so that they can see each other normally.p

LAN devices are not isolated from each other when on the VPN.

Something is wrong with your setup if this is happening to you.
 

domic

Regular Contributor
Sorry, I meant that if I run a 'curl ifconfig.me' command on all my LAN devices, I get an IP adress that isn't from my ISP, but from the VPN service provider. (ExpressVPN for example) so it looks like I'm in another country.
 

ColinTaylor

Part of the Furniture
As previously stated the Chromecast ought to work over the LAN regardless of whether the router's VPN is active or not.
 

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