In my all too brief test of chromecast

I had to set it up on the same 2.4ghz interface.

After it was setup I could get to it via 5 or 2 or wired interfaces.
On Aug 30, 2013 11:08 AM, "Stephen Hemminger" <stephen@networkplumber.org>
wrote:

> On Fri, 30 Aug 2013 12:29:30 -0400
> Christopher Robin <pheoni@gmail.com> wrote:
>
> > Ah, let me explain the problem better.
> >
> > The chromecast connects just fine via 2.4 ghz. It's unable to connect via
> > 5ghz or ethernet. But to stream to the chromecast you have to be
> connected
> > to the router via 2.4ghz as well. If you're connected via ethernet or
> 5ghz
> > you can't see the chromecast to stream to it.
> >
> > I've tried several devices (ipad, android phone, desktop) and they all
> come
> > back with the same result. If you connect to the network via 2.4ghz the
> > chromecast works fine. If you connect any other way, you can't talk to
> the
> > chromecast.
> >
> > I've verified that the networks I'm connecting to are all on the same
> vlan.
> >
>
> On Cerowrt the 2.4 and 5 Ghz are separate IP networks (not bridged).
> Chromecast uses some form of network local communication (Multicast?)
> that is not forwarded. For normal users this is a security feature.
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