[mythtv-users] directly connecting HDHR to spare LAN port

[James Abernathy]

On Mon, Jun 20, 2022, 1:59 PM Greg Oliver <oliver.greg at gmail.com> wrote:

> On Tue, Jun 14, 2022 at 4:14 PM Bill Meek <keemllib at gmail.com> wrote:
>
>> On 6/14/22 08:52, Klaas de Waal wrote:
>> > Hi Jim,
>> >
>> > On Mon, 13 Jun 2022 at 21:07, James Abernathy <jfabernathy at gmail.com
>> <mailto:jfabernathy at gmail.com>> wrote:
>> >
>> >     I have a NUC with  2 RJ45 ports on the back. One is 2.5Gb and the
>> other is 1Gb.  Is there a simple way to connect a HDHomeRun Connect tuner
>> >     to one of these ports so it would work with Mythtv and eliminate
>> any record problems that I'm having from being network related??
>> >
>> >
>> > On my production system I have a separate network card with a direct
>> cable connection to a HDHomeRun without any configuration whatsoever. No
>> > fixed IP addresses, no DHCP, no routing, not anything and it just
>> works. Of course, then the HDHomeRun cannot be accessed by anything else in
>> > the network but that does definitely eliminate interference from other
>> devices on the network.
>> >
>> > Klaas.
>>
>> I used the link local solution too. To get to my HDHR's web page, I have
>> a function:
>>
>> function hdhr() {
>>      HDHRIP=$(ssh yourbackendhostname "hdhomerun_config discover"|grep
>> 169.254|cut -d' ' -f6)
>>      echo -e "\nTo connect to the HDHR, use: http://localhost:8001\n"
>>      ssh -L 8001:${HDHRIP}:80 yourbackendhostname
>> }
>>
>>
>> Typing: hdhr will print a link that can be opened.
>>
>> --
>> Bill
>>
>> The simplest way to do it is just setup both ethernet ports into a bridge:
>
>
> ip link add *br0* type bridge
> ip link set *br0* up
> ip link set eth0 up (or whatever your ifnames are)
> ip link set eth1 up
> ip link set eth0 master br0
> ip link set eth1 master br0
>
> With this, both ethernet ports will get DHCP from your existing router.
>
> -Greg
>
>
I like this solution. I understand bridges from using them with libvirt kvm.

Thanks,

Jim A
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