[mythtv-users] setting up a AirTV Anywhere tuner with MythTV

Greg Oliver oliver.greg at gmail.com
Fri Jun 24 21:01:02 UTC 2022


On Fri, Jun 24, 2022 at 2:36 PM James Abernathy <jfabernathy at gmail.com>
wrote:

>
>
> On Fri, Jun 24, 2022 at 2:23 PM Greg Oliver <oliver.greg at gmail.com> wrote:
>
>> On Fri, Jun 24, 2022 at 1:14 PM James Abernathy <jfabernathy at gmail.com>
>> wrote:
>>
>>>
>>>
>>> On Fri, Jun 24, 2022 at 12:05 PM Greg Oliver <oliver.greg at gmail.com>
>>> wrote:
>>>
>>> Everything spunds like it should work - you just need the commands to
>>>> tune it, which Sling obviously sends it.  Once those commands are
>>>> discovered, you should have no issues.  I am asuming Sling can also use it
>>>> to watch liveTV.
>>>>
>>>> -Greg
>>>>
>>>
>>> Your assumption is correct.  In fact my use case at this point is for
>>> liveTV watching only. It allows for quick switching from ESPN to CBS OTA
>>> for example.
>>>
>>> Can anyone recommend a good software tool for capturing packets for a
>>> particular IP address?
>>>
>>> Jim A
>>>
>>
>> tcpdump on any linux box will suffice.  If you can get the IP of Sling as
>> well as AirTV, then a filter would be:
>>
>> tcpdump -i <ethernet interfce> -nn -s0 -w dump.cap host <ip of AirTV> or
>> host <ip of Sling>
>>
>> after that, the dump.cap file can be opened in Wireshark to filter
>> through it.
>>
>>
> Sorry for the dumb question but here goes.  The -i option must be the
> device name for my wifi on my laptop, right? that interface will not see
> any packets addressed to it to/from the AirTV.
>
> when I did:  sudo tcpdump -i wlp0s20f3 -nn -s0 -w dump.cap host
> 192.168.0.154
> I started watching OTA tv on which should have caused traffic between the
> AirTV 192.168.0.154 and my FireTV stick 192.168.0.107.
>
> But when I ctrl-c'ed to stop tcpdump, it captured 0 packets.  Which sort
> of makes sense because the laptop is on 192.168.0.122
>
> Can the laptop act like a monitor and watch the traffic? All my devices
> are on 192.168.0.xx
>
> Jim
>

Yeah - you need a switch that can port mirror traffic and/or use an
ethernet hub (not switch) to get in the middle of the transactions.  Either
way, you would need ethernet on your laptop if they are not on wireless.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mythtv.org/pipermail/mythtv-users/attachments/20220624/3d751486/attachment.htm>


More information about the mythtv-users mailing list