[HamWAN PSDR] Metal 5SHPn firmware 6.12 is current (addendum)

[Bill Vodall]

On May 4, 2014 10:15 AM, "Bart Kus" <me at bartk.us> wrote:

>  There's some confusion here, so allow me to clear it up.
>
> What Mike's talking about is a utility called Netinstall (
> http://wiki.mikrotik.com/wiki/Manual:Netinstall) that allows recovery of
> truly crashed devices.  "Truly crashed" means that RouterOS is not
> booting.  It doesn't scan for devices, it just serves as a PXE server, and
> it's up to the devices to request a PXE boot.  The code that controls PXE
> booting is in a different part of flash than the RouterOS itself, and does
> not depend on RouterOS.
>
> Winbox can indeed use a layer 2 protocol (called mac-winbox), and it can
> also use IP (layer 3).  Which protocol it uses depends on the address (MAC
> vs IP) you tell it to connect to.  However, it doesn't provide the PXE
> flashing capability.  If RouterOS is truly crashed, Winbox won't work.
>
> Another layer 2 protocol is mac-telnet.  This is configured as a separate
> service from mac-winbox on RouterOS.  Recently we had a case where
> mac-telnet was inaccessible (was not configured to listen on any
> interfaces) but mac-winbox was set to its default of listening on all
> interfaces.  We were able to regain control of the router by using the
> alternative layer 2 protocol.
>
> In Dean's case, we don't know what he means by "dead".  It could be that
> the ethernet link is up and IP just stopped working.  He can try the 2 MAC
> protocols.  If those fail, he can try the Netinstall recovery.
>
> --Bart
>
>
> On 5/4/2014 9:40 AM, Kenny Richards wrote:
>
>  The Winbox application allows the Layer2 connection....
>
>
>  On Sun, May 4, 2014 at 8:46 AM, Mike Culver <mculver at extencia.com> wrote:
>
>> Can't find the cheat sheet; however I also thought that I bricked my
>> unit. Was able to connect to it and re-flash.; if memory serves me
>> correctly it was with software that scanned for a Mac address and connected
>> via Layer 2.
>>
>> Hopefully someone here remembers how to do this, or better yet can point
>> you to instructions on the manufacturer's website.
>>
>> Mike
>> WA9QHP
>>
>> -----Original Message-----
>> From: PSDR [mailto:psdr-bounces at hamwan.org] On Behalf Of Dean Gibson AE7Q
>> Sent: Sunday, May 4, 2014 1:44 AM
>> To: Puget Sound Data Ring
>> Subject: Re: [HamWAN PSDR] Metal 5SHPn firmware 6.12 is current (addendum)
>>
>> Well, this did not end well.
>>
>> As you can see from Nigel's SNMP data for my site, right after I
>> installed firmware v6.12 at 9pm, my wireless signal strength dropped by
>> about 10dB.  In other respects, everything seems to work, and I at first I
>> thought perhaps it was the rain.  However, we've had rain on and off all
>> day, and as you can see from Nigel's site, the signal strength was fairly
>> uniform until the very sudden drop at 9pm.
>>
>> Reboots did not solve the problem, so I reverted to v6.10 using the
>> "downgrade" command line option.  That did not improve the signal strength,
>> so I upgraded back to v6.12.  I checked all the configuration settings, and
>> everything looked normal.  Data transfer through the radio worked fine.
>>
>> So, I decided to reset the configuration (using the command line) to make
>> sure nothing had changed.  I'd done that a couple times a month ago, with
>> no ill effects.
>>
>> However, this time it appears to have "bricked" the radio.
>>
>> It draws about 160ma (about the value from a week ago, when I first
>> measured it).  There is no light on the side of the unit, and the Ethernet
>> port is dead.
>>
>> I'm going to bed.  Sunday morning I will go out onto the roof and attempt
>> to reset the unit via the pinhole.
>>
>> I hope this is not indicative of MikroTik quality.  I'm glad the thing is
>> not up on a tower ...
>>
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>>
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>
>
>
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