Hi Sakid
How do we use the onboard GPS chip? We have a number of APs
loosing sync for periods of time and would like to try them on
the onboard GPS chip to see if it helps.
Also, how long does will the hold off timer (generate sync) keep
the AP in sync with other APs? 1 minute, 10 minutes, 1 hour, 10
hours, 1 day, 1 week? What did you find in your lab testing?
i.e. How good is the generate sync clock???
Thanks
Adam
*From:*[email protected]
<mailto:[email protected]>
[mailto:[email protected]
<mailto:[email protected]>] *On Behalf Of *Sakid
Ahmed via Cambium-users
*Sent:* Tuesday, January 30, 2018 3:10 PM
*To:* SmarterBroadband <[email protected]> <mailto:[email protected]>;
'Cambium Networks User Group' <[email protected]>
<mailto:[email protected]>
*Subject:* Re: [Cambium-users] ePMP 2000 GPS not working after
firmware upgrade
Unfortunately, we don’t have an internal switch to flip the
connection. We have a way to communicate with the GPS chip and
are looking at ways to address this in SW.
As for the question on the hold off timer, that just allows the
AP to operate (without shutting of Tx) without a GPS signal
during the holdoff timer.
Sakid
*From:*SmarterBroadband [mailto:[email protected]]
*Sent:* Tuesday, January 30, 2018 5:07 PM
*To:* Sakid Ahmed <[email protected]
<mailto:[email protected]>>; 'Cambium Networks User
Group' <[email protected] <mailto:[email protected]>>
*Subject:* RE: [Cambium-users] ePMP 2000 GPS not working after
firmware upgrade
Hi Sakid
Will just selecting internal switch us to using the onboard GPS
chip? Or do we need to unplug the external puck (which would
mean a tower climb)?
Thanks
Adam
*From:*[email protected]
<mailto:[email protected]>
[mailto:[email protected]
<mailto:[email protected]>] *On Behalf Of *Sakid
Ahmed via Cambium-users
*Sent:* Tuesday, January 30, 2018 1:27 PM
*To:* Cambium Networks User Group <[email protected]
<mailto:[email protected]>>
*Subject:* Re: [Cambium-users] ePMP 2000 GPS not working after
firmware upgrade
While this topic has moved to CnPilot SSID issue and CnMaestro, I
did want to chime in on the original GPS thread –
Intermittent GPS signal lost – The external puck we ship with the
Aps is a relatively high gain antenna and thus tends to be
impacted more from interference. We have seen cases of this from
LTE (second harmonic landing on top of GPS frequencies). The
onboard GPS chip has a lower gain antenna and in the case where
LTE interference was the issue we have seen a substantial
difference when the puck was not used. Unfortunately, it is a
case by case situation and depends on the environment. We are
actively looking to find a better solution in terms of an
external puck while keeping costs low.
Lockup during upgrade – We have seen reports of lockup issues
during an upgrade. This is software related and the units are
recoverable by our support team via CLI access. The team will
just need remote access.
Anything beyond the two issues qualify for a RMA and if you have
an unit exhibiting a different mode of failure, we would be keen
to investigate the unit here.
Thanks
Sakid
*From:*[email protected]
<mailto:[email protected]>
[mailto:[email protected]
<mailto:[email protected]>] *On Behalf Of *Craig Oliver
*Sent:* Tuesday, January 30, 2018 11:12 AM
*To:* Cambium Networks User Group <[email protected]
<mailto:[email protected]>>
*Subject:* Re: [Cambium-users] ePMP 2000 GPS not working after
firmware upgrade
cnMaestro is capable of managing ePMP, PMP450, and cnPilot R and
E series routers. But they have to be managed in cnMaestro before
any config template can be pushed out to them. If you cnPilot
routers are managed by cnMaestro, then it is possible that
someone accidentally pushed a config to those routers. Best
practice is to have a template built for each customer. Then if
this happens again, cnMaestro will report that those routers are
'Out of Sync'. All you will need to do at that point is resync
the config and then about 5 minutes or less, it will be fixed.
Best Regards,
Craig Oliver
President
1454532710326_WavSpeed_Logo_New_Email_Signature.png
877-Wav-Speed ext. 8111 Office
469-359-6980 <tel:%28469%29%20359-6980> Fax
469-951-6900 <tel:%28469%29%20951-6900> Cell
[email protected] <mailto:[email protected]>
------------------------------------------------------------------------
*From:*[email protected]
<mailto:[email protected]>
<[email protected]
<mailto:[email protected]>> on behalf of Mike Scott
<[email protected] <mailto:[email protected]>>
*Sent:* Tuesday, January 30, 2018 10:52:15 AM
*To:* Cambium Networks User Group
*Subject:* Re: [Cambium-users] ePMP 2000 GPS not working after
firmware upgrade
Pushed a template?
Not sure what that means.
At the time, we were fixing 3-ePMP AP’s and 3-R200 routers who
failed to upgrade a month ago with the KRACK firmware upgrade.
The 3-R200’s were all ePMP AP connections.
The 6 R200’s that changed to cnPilot SSID were all _connected to
PMP450 AP’s,_ which we didn’t make any changes to yesterday.
That’s the mystery – we were working with ePMP gear via
cnMaestro, but nothing on the PMP450 gear was touched.
The timing tells me there’s a correlation – with the timing
yesterday while working with ePMP via cnMaestro – but how did or
can it
Affect PMP450 subscriber’s routers?
Mike Scott
*From:*[email protected]
<mailto:[email protected]>
[mailto:[email protected]
<mailto:[email protected]>] *On Behalf Of *George
Skorup
*Sent:* Tuesday, January 30, 2018 10:40 AM
*To:* [email protected] <mailto:[email protected]>
*Subject:* Re: [Cambium-users] ePMP 2000 GPS not working after
firmware upgrade
Sounds like someone pushed a template from cnMaestro.
On 1/30/2018 10:37 AM, Ray Savich via Cambium-users wrote:
Thank you for the heads up. First I have heard of this. I am
sharing with the product team.
Ray
Join the Conversation
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*From:* [email protected]
<mailto:[email protected]>
[mailto:[email protected]
<mailto:[email protected]>] *On Behalf Of *Mike
Scott
*Sent:* Tuesday, January 30, 2018 10:35 AM
*To:* Cambium Networks User Group <[email protected]>
<mailto:[email protected]>
*Subject:* Re: [Cambium-users] ePMP 2000 GPS not working
after firmware upgrade
Not related, but want to spread the word…if anyone
experienced this odd event.
Around 10:30am Central Time yesterday, we started receiving
calls “Internet is not working”.
I was one of the ‘victims’ myself at my home.
Common denominator – all the routers are cnPilot R200 and
R200P’s.
I logged into my home router directly at my home.
SSID in the router *_changed_* to “cnPilot”.
Once I changed the SSID back to the original SSID and
re-entered in the ‘password’ – it worked.
We’ve had 6 customers call in.
Asked them if their router name (SSID) had their original
name or did it change to “cnPilot”.
*Each confirmed – it said “cnPilot”.*
We’ve been able to remotely log in and correct things….but
this is STRANGE !
Will get a ticket going with Cambium to see what’s going on.
Thanks for the GPS information, will make notes on it.
Mike Scott
STT Rural Net
Iowa
*From:* [email protected]
<mailto:[email protected]>
[mailto:[email protected]
<mailto:[email protected]>] *On Behalf Of
*Craig Oliver
*Sent:* Tuesday, January 30, 2018 10:18 AM
*To:* Cambium Networks User Group <[email protected]
<mailto:[email protected]>>
*Subject:* Re: [Cambium-users] ePMP 2000 GPS not working
after firmware upgrade
I had that issue a few weeks ago where the 3.5.1 GPS upgrade
actually locked up the GPS board and wouldn't even initialize
the board to even turn on, even though the software was
reporting that GPS was active. Opened up a ticket with
Cambium and they had to run it up to one of their engineers
to fix the problem. Ended up having to map a Public IP
address to the unit and open up ports 80 for www, 22 Inbound
for SSH, and needed to make sure that 22 Outbound was open
for the device to be able to communicate with their SCP
server. The engineer SSH'd in to the device and loaded the
GPS files to the unit from their SCP server and it fixed the
issue. Just remember to turn off all of those ports to the
unit after they're finished.
Best Regards,
Craig Oliver
President
1454532710326_WavSpeed_Logo_New_Email_Signature.png
877-Wav-Speed ext. 8111 Office
469-359-6980 <tel:%28469%29%20359-6980> Fax
469-951-6900 <tel:%28469%29%20951-6900> Cell
[email protected] <mailto:[email protected]>
------------------------------------------------------------------------
*From:* [email protected]
<mailto:[email protected]>
<[email protected]
<mailto:[email protected]>> on behalf of RickG
<[email protected] <mailto:[email protected]>>
*Sent:* Tuesday, January 30, 2018 9:11:47 AM
*To:* Cambium Networks User Group
*Subject:* Re: [Cambium-users] ePMP 2000 GPS not working
after firmware upgrade
Yes. I contacted them and that's exactly what they are going
to do. Thanks!
On Tue, Jan 30, 2018 at 9:48 AM, Kerry Penland
<[email protected] <mailto:[email protected]>> wrote:
We had one ePMP 2000 AP fail like this on the GPS
upgrade. We called cambium support, they were able to
login with their engineering login
and restore GPS operation for us.
On Fri, 26 Jan 2018 20:12:07 -0500, RickG
<[email protected] <mailto:[email protected]>> wrote:
Correct. This is NOT a puck problem. The satellites
were coming is strong BEFORE the firmware upgrade. I
tried downgrading today but that did not help either.
See the attached pics. Looks like RMA time.
On Fri, Jan 26, 2018 at 3:36 PM, Josh Luthman
<[email protected]
<mailto:[email protected]>> wrote:
No satellites doesn't sound like poor signal to me.
Josh Luthman
Office: 937-552-2340 <tel:%28937%29%20552-2340>
Direct: 937-552-2343 <tel:%28937%29%20552-2343>
1100 Wayne St
Suite 1337
Troy, OH 45373
On Jan 26, 2018 3:28 PM, "Kristian Hoffmann"
<[email protected]
<mailto:[email protected]>> wrote:
We fought with losing GPS sync on ePMP APs at
a couple of sites. We had been told to point
the pucks south to get the best GPS signal.
There were several wild goose chases, as it
seemed upgrading/downgrading firmware fixed
it, but only sometimes. In the end, the
solution at each of these sites was to point
the GPS puck straight up. Our best guess was
that there was something overloading the GPS
receiver in the direction we had them
pointed. So pointing them up, while not
giving them the best signal, minimized
terrestrial interference. At least that's our
theory.
-Kristian
On 01/26/2018 07:39 AM, RickG wrote:
Well, I did check the forums and found
I'm not the only one. I'm going to try
downgrading. Was hoping to find someone
here who has gone through it so I dont
waste time if it needs to be RMA'd :)
On Fri, Jan 26, 2018 at 10:27 AM, Ray
Savich via Cambium-users
<[email protected]
<mailto:[email protected]>> wrote:
Have you contacted our support folks
or the Cambium Community?
[email protected]
<mailto:[email protected]>
http://community.cambiumnetworks.com/
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*From:*
[email protected]
<mailto:[email protected]>
[mailto:[email protected]
<mailto:[email protected]>]
*On Behalf Of *RickG
*Sent:* Friday, January 26, 2018 9:20 AM
*To:* Cambium Networks User Group
<[email protected]
<mailto:[email protected]>>
*Subject:* [Cambium-users] ePMP 2000
GPS not working after firmware upgrade
It worked before, upgraded from
3.5.1, no more :(
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