I know Google says its not supported. Has anyone got a Chromecast to talk to a client on a different subnet? I have an OpenWRT router connected to my internet providers router (parent router). The OpenWRT network is a different subnet and handles DHCP etc. OpenWRT Network (192.168.1.0/24) and parent network (192.168.11.0/24)
The chromecast is on the parent network, I want clients on the OpenWRT network to use the Chromecast.
I have enabled igmp_snooping, running igmpproxy and avahi-daemon in reflector mode. I can see Chromecast in bonjour explorer (from a machine on the OpenWRT network), but the Chromecast app won't connect.
I have also tried increasing the TTL on the OpenWRT router
iptables -t mangle -A PREROUTING -i eth0 -d 239.255.255.250 -j TTL --ttl-inc 1
iptables -t mangle -A PREROUTING -i wlan0 -d 239.255.255.250 -j TTL --ttl-inc 1
Using wireshark I can see, that the chromecast and computer are speaking through subnets... but it still wont connect.
I can also ping the chromecast from the child network.
Anyone done this? Any pointers?
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