I'm having issues trying to setup Chromecast on my Comcast Xfinity service. I have an Arris TG862 Gateway. So from what I gather from Google I need to do the following. AP isolation must be disabled Client isolation must be disabled UPNP must be enabled You must not be on a VPN You must not be on a proxy server So have no problems accessesing gateway settings at http://10.0.0.1/. (Default credentials = Admin / password) UPNP is located on Advanced / Device Discovery I believe VPN and Proxy are off by default so unless you have played around with these you should be fine. I haved called comcast support , but think this is over their head. Where do I access AP isolation and Client Isolation? ...is that even possible with this gateway? Do i have to go into bridge mode and shell out for a modem? Can I get a different model that will let me modify these settings? Here is what I got from Google: Thank you for contacting Google. I spoke with you regarding your Chromecast. I understand your concerns about this situation and I'm happy to help. It was a pleasure assisting you today. As mentioned I'm sorry to hear you’re having trouble setting up your Chromecast. We ask that you first check our Chromecast Router Compatibility page here for your specific router:https://support.google.com/chromecast/table/3477832. If your router is not on that list, please try the additional troubleshooting steps below. If you are unfamiliar with your specific router settings or unsure of how to change your settings, please contact your ISP or router manufacturer for assistance. 1. Is this Chromecast receiving power? - Ensure that the device is receiving power from either a USB port on the TV or using a power adapter. 2. Is the device used to set up Chromecast within 20 feet of the Chromecast device? - Ensure that the phone, tablet, or computer used to set up Chromecast is within 20 feet of the Chromecast. 3. Are you setting up Chromecast at a hotel, school, dorm, or business? - Networks that require you to connect through a captive portal, typical of hotels/schools/dorms/businesses, are not supported by Chromecast. You will not be able to connect to these types of networks. Please note: 2.4 GHz Network support only: Chromecast only displays 2.4GHz networks as Wi-Fi options in the setup app. 5GHz networks are not compatible with Chromecast and will not be listed. Please double check that your router supports a 2.4 GHz network. If you are using a dual band router, please ensure that you are connecting to the 2.4 GHz network. Hidden Networks: If the network you want to connect to is hidden (a network that is set not to broadcast its name), you'll need to manually input the network's name and password. This can be done by selecting ‘Other’ in the drop down list of network selection. After selecting ‘Other’, you have the option to manually input your network SSID and password. MAC Address Filtering: If your router has MAC address filtering enabled, you'll need to add the MAC address of your Chromecast to the list of filtered devices. The MAC address of your Chromecast is listed at the bottom of the Chromecast setup app. Additionally, Chromecast requires that your Wi-Fi network and router settings are configured to allow devices to communicate with one another. Please check the following configurations on your router. Please note that all routers are different, so each setting may or may not be applicable to your particular router. If you have any questions or need assistance, please contact your ISP or router manufacturer: AP/Client Isolation: Chromecast cannot communicate with your router if you have AP/Client isolation enabled. -DISABLE AP Isolation/Client Isolation on your Wi-Fi router. Virtual Private Networks or Proxy Servers: Chromecast cannot communicate with your router or computer if any Virtual Private Networks or Proxy servers are turned on. -DISCONNECT or DISABLE any Virtual Private Networks (VPN) or proxy servers, if applicable, on both your router and your computer. UPnP (Universal Plug and Play) or Multicast: Your router will not be able to ‘discover or see’ your Chromecast on your WiFi network if you have UPnP or Multicast disabled. -ENABLE UPnP (Universal Plug and Play), also known as Multicast, on your router. IGMP (Internet Group Management Protocol): Chromecast will not be able to communicate with your router if you have IGMP disabled on your router OR IGMP Proxy enabled on your router. -ENABLE IGMP on your router. -DISABLE IGMP Proxy on your router. Please keep in mind that resetting or making changes to your router settings may have unintended consequences. If you have questions or concerns, please consult your router manufacturer or ISP before making any changes. If there is anything further we can assist you with, please feel free to reply directly to this email or visit our help center at: http://support.google.com/googleplay/bin/request.py?contact_type=contact_policy&policy=hardware
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