Here I would stress the use of SNMP smart cards in UPS systems. They don't
add that much cost to a site, and you get paid back the first time something
like this happens due to the notification features. I just got notified a
few days ago that a system of mine has batteries that have failed. So if I
did not have this notification, I would be going along happily thinking I'm
protected when I'm not and I would have about 60 customers down for a couple
hours (if I was able to act immediately, that is).
Mark Nash
Network Engineer
UnwiredOnline.Net
350 Holly Street
Junction City, OR 97448
http://www.uwol.net
541-998-5555
541-998-5599 fax
----- Original Message -----
From: "Don Annas" <[EMAIL PROTECTED]>
To: "'WISPA General List'" <wireless@wispa.org>
Sent: Wednesday, February 21, 2007 7:21 AM
Subject: RE: [WISPA] Trango reboot incident
Guys, this is attributed the a power outage. I will check on the UPS units
to verify what is out there. Then units we had were pretty inexpensive and
they must not have the AVR as Larry suggested. At any rate, this happened
again just a big ago for 8 minutes and we confirmed it was a power outage.
- Don
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Larry Yunker
Sent: Wednesday, February 21, 2007 11:02 AM
To: WISPA General List
Subject: Re: [WISPA] Trango reboot incident
What kind of battery backup? If it's not an AVR (automatic voltage
regulating) UPS, then I'd guess you had a power spike. I've seen spikes
reboot radios if when those radios were connected to "dumb" UPS's.
- Larry
----- Original Message -----
From: "Don Annas" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>; "'WISPA
General List'" <wireless@wispa.org>
Sent: Wednesday, February 21, 2007 6:31 AM
Subject: [WISPA] Trango reboot incident
Guys, this morning around 4:40 eastern, we had an odd incident occur. We
had about 3 SUs reboot at the same time and then re-register. I checked
each of the SUs and according to the uptime they all rebooted. This
wouldn’t seem odd to me if it was just these 3 SUs as they are associated
with the same AP and they are the 5850 fox units. The odd part is we have a
Trango Link 10 in that sector as well, and the remote side of that radio
rebooted at the same time as the SUs. The radios are on different buildings
as well as different subnets and I know that at least 2 of the SUs and the
Link10 are plugged into a battery backup. Any idea what could cause this?
- Don
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