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WiFi Network dependency

Hi,
Do I need a standalone WiFi network available to cast from my device to the TV or not?
Will I be able to go to friend and cast something from my tablet to his TV even thou he does not have WiFi at home?

Yes, you need a WiFi network and an Internet connection accessible from that.
If you just have your tablet and Chromecast, the Chromecast won't be able to find a network, as your tablet is not a WiFi access point.
I don't know of anyone who has tried setting up their phone/tablet as a WiFi hot spot and connecting Chromecast to that. I'm not certain how Android hotspot NATs and/or isolates clients.
Best to just bring a small wireless router. There are a number of "travel router" devices that have an internal battery or can be powered via USB.
Connect it to your friend's Internet connection, then off you go.
If the goal is just to show stuff from your tablet on your friend's TV, it might be easier/cheaper to just go hardwired with an HDMI or VGA output adapter for your tablet, if it has that option.

bhiga said:
I don't know of anyone who has tried setting up their phone/tablet as a WiFi hot spot and connecting Chromecast to that. I'm not certain how Android hotspot NATs and/or isolates clients.
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ooOOoo interesting idea.
I'll have to try that this weekend.

-Lawless said:
ooOOoo interesting idea.
I'll have to try that this weekend.
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Click to collapse
Remember that Chromecast still needs a connection to the Internet in order to negotiate the application launch.

Thus the Hotspot. Just might work.

My friend is technologically challenged
He's got no internet at home apart from out mobile phones which we can use for internet at his place...
So, can I use my phone's Wifi hotspot to and use my phone/tablet to stream the web to his TV?
How does the Chrome cast work? Is the tablet interphase only used to set up a link between the dongle and the wifi sender/ router?

For native apps, Chromecast works more like a your phone/tablet in the fact that it pulls the requested data and plays on its own. The video isn't going from the Internet to your phone/tablet, then from your phone/tablet to the Chromecast, your phone/tablet "hands off" the request to the Chromecast and the video goes directly from the Internet to the Chromecast. The control via tablet/phone is done through a "side" channel that Chromecast listens on, which also lets your phone/tablet know what Chromecast is doing.
For example, YouTube...
You open YouTube on your phone/tablet
You find a video
You cast it to your Chromecast
Chromecast "phones home" to Google to figure out how to handle the request (I think)
Google replies with "Use the YouTube app"
Chromecast runs its YouTube app to open the link and starts playing
While it's playing on, Chromecast sends its status to your phone/tablet and listens for control commands.
So... Using your phone's WiFi Hotspot for the Chromecast might (should?) work, and what'll happen is Chromecast will connect to your phone via WiFi, and your phone will connect to Internet via mobile network.
In this case the streaming performance will be limited by both your phone's mobile data speed as well as the WiFi connection speed/stability between your phone and the Chromecast.
While I don't necessarily think this will provide a good viewing experience, it's an interesting experiment.
If you have a rooted Chromecast with Kyocast, you should be able to use the un-timebombed AllCast/AirCast to stream video stored on your phone to the Chromecast. It'll still use mobile data to "phone home" (to the Kyocast server) to figure out how to deal with the request, which will launch the AllCast/AirCast magic. From there I believe the video data will stream directly from your phone to the Chromecast, not using your mobile data... I think.

bhiga said:
For native apps, Chromecast works more like a your phone/tablet in the fact that it pulls the requested data and plays on its own. The video isn't going from the Internet to your phone/tablet, then from your phone/tablet to the Chromecast, your phone/tablet "hands off" the request to the Chromecast and the video goes directly from the Internet to the Chromecast. The control via tablet/phone is done through a "side" channel that Chromecast listens on, which also lets your phone/tablet know what Chromecast is doing.
For example, YouTube...
You open YouTube on your phone/tablet
You find a video
You cast it to your Chromecast
Chromecast "phones home" to Google to figure out how to handle the request (I think)
Google replies with "Use the YouTube app"
Chromecast runs its YouTube app to open the link and starts playing
While it's playing on, Chromecast sends its status to your phone/tablet and listens for control commands.
So... Using your phone's WiFi Hotspot for the Chromecast might (should?) work, and what'll happen is Chromecast will connect to your phone via WiFi, and your phone will connect to Internet via mobile network.
In this case the streaming performance will be limited by both your phone's mobile data speed as well as the WiFi connection speed/stability between your phone and the Chromecast.
While I don't necessarily think this will provide a good viewing experience, it's an interesting experiment.
If you have a rooted Chromecast with Kyocast, you should be able to use the un-timebombed AllCast/AirCast to stream video stored on your phone to the Chromecast. It'll still use mobile data to "phone home" (to the Kyocast server) to figure out how to deal with the request, which will launch the AllCast/AirCast magic. From there I believe the video data will stream directly from your phone to the Chromecast, not using your mobile data... I think.
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Thanx so much for all this data. Not sure whether I wanna try the rooting now. Will wait to see what Google has in store in the next month. It's rooting the dongle easy? Rooting phones comes naturally by now...
Sent from my ASUS Transformer Pad TF700T using Tapatalk 4

It's really easy with Flashcast but if your Chromecast has been connected to the Internet for more than a few minutes then it has probably auto updated to a non-root able state.

-Lawless said:
ooOOoo interesting idea.
I'll have to try that this weekend.
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Click to collapse
I've been doing that for weeks now, if you access 3G (4G) from your device then set it as an access point, and connect to its network with CC. Then all you need is something else to connect to Netflix and the same WiFi access point (a tablet for example or another phone) and you can send it to CC.
The other device is necessary because the Netflix app doesn't show the CC share icon when connected to 3G, whereas on the other device because it's connected to 3G through a mobile WiFi access point it does.
You could use a MiFi instead.
I use it in hotels this way with the CC plugged into the hotel TV (if I'm lucky)

Streaming from phone that is also the Chromecast's hotspot/connection

So, at work I don't have internet, but I have my phone, and I have a chromecast on the tv. I use my phones hotspot all the time for my ipad and laptop with no problem. I have my chromecast setup on my Nexus 5's hotspot as it's internet connection. It works fine if I use my ipad to push content to the chromecast, but on the phone, all apps hide the chromecast option.
So basically the chromecast is invisible to the Nexus 5. I guess because the Nexus 5 is technically the Chromecast's router, and not a fellow client. There are a lot more apps that have chromecast support, so to get this working from my phone would be great. Is there a way?

I use my phone hotspot and play videos all the time. You can use video caster and chrome beta. I tried Netflix and Youtube but didn't have any luck.
Nexus5 Exp. 5.5 for N4

I would think that putting the phone into tether mode changes the way the networking works and would prevent it from making direct outgoing connections to anything other than the Internet.
I could be dead wrong however.

The problem with Hotspot/tether is that the Chomecast can't see the phone because of AP isolation built into Android. Chromecast or any "client' connected to the hotspot can see the Internet as that is what hotspot is for; connecting clients to the Internet... If you connect a second client to the hotspot I believe it can see an control Chromecast..

rkirmeier said:
The problem with Hotspot/tether is that the Chomecast can't see the phone because of AP isolation built into Android. Chromecast or any "client' connected to the hotspot can see the Internet as that is what hotspot is for; connecting clients to the Internet... If you connect a second client to the hotspot I believe it can see an control Chromecast..
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Right.... basically the phone is not on the Tether IP subnet and therefore can not communicate with any device that has a Tether IP address. So Android itself has no access to this subnet it is just internet connection sharing with that subnet.
Not exactly a perfect technical description of what is going on but in the ballpark.
Only the App that is doing the tethering is actually seeing the Tether IP the rest of the phone has no access to it.

Put the phone into hotspot mode, use your tablet to navigate and play. I've done it
Sent from my DROID RAZR HD using Tapatalk

ArkAngel06 said:
So, at work I don't have internet, but I have my phone, and I have a chromecast on the tv. I use my phones hotspot all the time for my ipad and laptop with no problem. I have my chromecast setup on my Nexus 5's hotspot as it's internet connection. It works fine if I use my ipad to push content to the chromecast, but on the phone, all apps hide the chromecast option.
So basically the chromecast is invisible to the Nexus 5. I guess because the Nexus 5 is technically the Chromecast's router, and not a fellow client. There are a lot more apps that have chromecast support, so to get this working from my phone would be great. Is there a way?
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I've been able to use AVIA in the configuration you're referring to.

chromecast two networks

I wonder if there is any way to have access to chromecast from separate network. I run enterprise encryption at home for laptops and have domain controller on 192.168.0.XXX . I also have separate 192.168.2.xxx for devices such as homesmart, wifi termostat and etc My chromecast is on 192.168.2.XXX. Is there proxy that will make chromecast discover able on other network. I know per default routing is set in a way that disables nat translation.

tritron777 said:
I wonder if there is any way to have access to chromecast from separate network. I run enterprise encryption at home for laptops and have domain controller on 192.168.0.XXX . I also have separate 192.168.2.xxx for devices such as homesmart, wifi termostat and etc My chromecast is on 192.168.2.XXX. Is there proxy that will make chromecast discover able on other network. I know per default routing is set in a way that disables nat translation.
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I have a split network as well, but sadly it will not work as the Chromecast uses Multicast to initiate the connection to cast devices.

ddggttff3 said:
I have a split network as well, but sadly it will not work as the Chromecast uses Multicast to initiate the connection to cast devices.
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Yeah, to get the multicast to cross subnets you need your routers/endpoints to know how to properly route the packets, and you need multicast reflection via something like Avahi or tivobridge (with the MDNS options). I've used the latter for making TiVo devices visible across subnets, but never tried it with Chromecast...

Casting from phone with company VPN enabled issue

Hi!
I want to cast screen from my phone (LG G2 Android 4.4.2) to my TV when VPN to my company is enabled on this phone.
There is no problem when I do this from my laptop connected do VPN, but when I connect to company VPN from phone then chromecast connection dissapear.
Is there any solution? Please help.
Laptop is connected to my router via cable, phone via WIFI.

Someone can correct me if I'm wrong, but I'm pretty sure the answer is that you can't. I believe the Chromecast discovery implementation assumes that your CC will be on the same network as your primary network interface. Many VPN clients re-prioritize their network interface to #1 when they connect.
You could send Google feedback about the issue, but not clue how effective that will be: https://support.google.com/chromecast/answer/3187017?hl=en

VPN via "server PC"

Hi All,
I recently acquired a chromecast and would very much like access to the BBC Iplayer (I live in the netherlands). I can already watch Iplayer on my phone using the VPN option in android but once I try to watch it on chromecast it doesn't start the stream which is probably because the chromecast is connected to my home network which is not behind the VPN. I also can't mirror screen since I loose connection from my phone to the chromecast as soon as I connect my phone to the VPN.
Now I read that it is possible to do with a DDWRT router but I do not have one of those and I wouldn't want my whole network to be on a different IP, just the chromecast & if needed my phone. I do however have something that I would like to consider a lot more powerful than a router, namely a "Server PC" running windows XP professional. Would I be able to use this server and enable the VPN on it and then make the chromecast connect to the server? Would I need 2 USB wireless adapters or 1 (so my phone connects to 1 and the chromecast to the second. My server connects via ethernet to my modem)? Could I somehow configure this USB adapter to be connected to the VPN by default? Could I use virtualization software? I would like the most clean option preferably without affecting the rest of my server (but it would be OK if the server is temporarily in the UK until I have watched the show). Perhaps this topic can be extended to other devices with wireless capabilities like NAS and raspberries etc.
Your help is greatly appreciated.

Ok so after some digging I found at least 1 way of doing it: http://alphaloop.blogspot.nl/2014/01/raspberry-pi-as-vpn-wireless-access.html
However I still think this should be possible on a windows XP machine with a wireless adapter.

On many Windows 7 PCs with wi-fi, you can use the following to create a hosted wifi network that your chromecast can connect to:
netsh wlan set hostednetwork mode=allow ssid=XXXX key=YYYY
netsh wlan start hostednetwork
if you then share your VPN adapter's internet connection with the hosted wifi that you've created, you can connect your phone and chromecast to the same wifi XXXX and that will be connected to the internet via the VPN on the laptop.