[mythtv-users] Sudden issue with HDHomeRun on network switch?

[Greg Oliver]

On Thu, Mar 14, 2019 at 5:38 PM Tom Dexter <digitalaudiorock at gmail.com>
wrote:

> On 3/14/19, Greg Oliver <oliver.greg at gmail.com> wrote:
> > On Thu, Mar 14, 2019 at 5:19 PM Tom Dexter <digitalaudiorock at gmail.com>
> > wrote:
> >
> >> I had a REALLY odd one this week, and I'm not sure what this is all
> >> about:
> >>
> >> I have two HDHomeRun Connect HDHR4-2US units. They've both been
> >> connected to an 8 port switch I have for a long time. I expressly had
> >> them on the switch so as to avoid having them dependent on the router.
> >>
> >> On Monday I had several recordings fail. At that point I noticed that
> >> the back of one HDHR was flashing red (no network connection). When I
> >> tried to power it off and on it would get a link for a few seconds and
> >> then drop it, and go to the blinking red status. I verified that the
> >> switch port and cable were OK by connecting other devices and they all
> >> worked OK. At that point I naturally figured that the HDHR, or the NIC
> >> in it, must have died, so I ordered another. I actually ordered two
> >> because 6th Ave Electronics (via Newegg) had them for $58 and free
> >> shipping which is way cheaper than I generally see them.
> >>
> >> They arrived today and when I hooked one up...SAME issue...drops the
> >> link and flashes red after a few seconds...almost went ballistic. What
> >> I found was that both the new one and the old one I thought was dead,
> >> work perfectly connected to my router, but fail connected to ANY port
> >> on the switch.
> >>
> >> To make this even stranger, I now have a laptop of mine connected to
> >> one of the same ports on that switch and it's working flawlessly. In
> >> fact, my other (older) HDHR is working connected to the switch as it
> >> always has.
> >>
> >> I have no idea what to make of that at all. I can only think that
> >> maybe the switch is going bad(?) and the requirements of the HDHR to
> >> maintain a link are more restrictive than other devices?? Sort of
> >> crazy. Any opinions would be welcome.
> >>
> >> Tom
> >>
> >
> > Did you put the new power supplies in place, or use the older ones to
> power
> > the new units?  Just like the HD-PVR units, the wall-warts are the issue
> > over 90% of the time it seems.  I do not have a single Hauppage or
> > SiliconDust PS in place any longer (3x HDHR units and 2x HD-PVR units) -
> > they have *all* failed on me.
> >
> > The HDPVRs seem to fail 100% with no warning.  The HDHRs at least give
> > tuning delays for a few days (in my case) where I had time to swap them
> > (recordings remain in yellow in Mythfrontend, but still fully viewable).
> >
> > I but variable voltage units now - they cost a few bucks more, but even
> the
> > ones I used previously to replace the originals were failing sometimes,
> so
> > I figure my time is worth more than the price difference.
> >
> > Anyhow, long-winded answer, but make sure you put the new PS on the units
> > :)
> >
> > -greg
> >
>
> Thanks! And yes...all the tests I did today, even when testing the
> original one, where with the power supply from the new unit. The
> variable voltage power supplies do sound interesting though...but
> again, sort of ruled out in this case.
>
> Tom
>

Just wanted to be sure - I know they can be problematic.  What type of
switch is it?  I have used Cisco and Cisco Small Business SG300s (old
Linksys models - pre--Cisco buyout) with no switching issues.

Does the switchport have any errors (if it is managed)?
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