Tom, Do you happen to know what a hardware watchdog timer watches? Perhaps there is something it can watch like whether or not the device is sending on the Ethernet port or the program counter. But, it seems that as embedded systems add more software, a useful hardware watchdog timer becomes less possible because there are more things that can go wrong and it is difficult/expensive to make the hardware capable of checking those things.
Thanks, Mark On 12/20/09 2:01 AM, "Tom Sharples" <tsharp...@qorvus.com> wrote: > A software watchdog timer is not the same thing as a hardware watchdog timer. > And SNMP has nothing to do with either. > > Tom S. > > ----- Original Message ----- > From: jai...@budget.net > To: Tom Sharples ; WISPA General List > Sent: Saturday, December 19, 2009 9:03 PM > Subject: Re: [WISPA] Ubiquiti ready for prime time? > > > Please don't take me wrong on this but your statement (b) bothers me. You > are either running a very old version of Air OS or you have no clue what your > talking about. UBNT has support for SNMP which I use to monitor not only > uptime but signal strength and a few other key items check out ZenOss if you > need to watch these devices or any other network device for that matter. AirOS > also has a "Watchdog timer" in the software that will automatically reboot a > device that fails a ping time you set. I have never had to power cycle a UBNT > device. In fact I had to reboot a Mikrotik router because it had a locked > process in the packet sniffer application that drove the CPU to 100% so the > UBNT gear has a higher uptime than the core router. > > Jaimie > > > On Sat 12/19/09 12:24 PM , "Tom Sharples" tsharp...@qorvus.com sent: > > My biggest concern with these units is (a) lack of mechanical robustness - > little plastic bits leak or break off quite easily and (b) lack of a > hardware watchdog timer which personally I think is essential esp. when > you're using "development stage" firmware. We did most of the work to port > our Qcode to run on the ubnt platform, but have decided to shelf that > project for another year, waiting for things to really settle down. In the > CCTV business, there's no-one around to power-cycle the equipment and > unrecoverable device hangs are really a disaster. I realize that the ISP > business is a little different because the customer can always reboot the > CPE! > > Tom S. > > ----- Original Message ----- > From: "Robert West" <robert.w...@just-micro.com> > To: <jai...@budget.net>; "'WISPA General List'" <wireless@wispa.org> > Sent: Saturday, December 19, 2009 7:55 AM > Subject: Re: [WISPA] Ubiquiti ready for prime time? > > >> I'm with ya on all that, Jamie. We've had minor issues but I expected >> things to not be perfect, they never are with version 1.0! The trade off >> is >> worth it, for me anyhow. >> >> Bob- >> >> >> -----Original Message----- >> From: wireless-boun...@wispa.org [wireless-boun...@wispa.org] On >> Behalf Of jai...@budget.net >> Sent: Saturday, December 19, 2009 10:26 AM >> To: WISPA General List >> Subject: Re: [WISPA] Ubiquiti ready for prime time? >> >> >> We use all UBNT and I have been very happy with the equipment. >> Tower has 2 Rocket M5s With 120 sectors, backhaul is Rocket M5s with >> the Rocket Dish. CPEs are Nano M5. Durring testing at 4 Miles with >> CPE to AP I was able to sustain symmetrical speeds of 75M to our >> test server on the other end of the backhaul. I was really amazed at >> how well they preformed for the price. I have read all the horror >> stories in the UBNT forums but have yet to have one problem. Probably >> just cursed myself and should of kept my mouth shut. But so far so >> good. >> On Sat 12/19/09 6:35 AM , Mike m...@aweiowa.com sent: >> I was almost ready to pull the trigger on some Ubiquiti equipment >> for >> a new project. The scent of low price is alluring. Then I start >> reading about connectors pulling out, connectors not soldered on >> properly, and the wrong boot code on boards. >> Is it too early? Should I wait a bit before I dive in? Has the >> haste to get product into the distribution stream compromised >> quality >> control? Is the low price just too good to be true? I'd be >> interested in some constructive thoughts and analysis. >> Thanks mg >> >> ---------------------------------------------------------------------------- >> ---- >> WISPA Wants You! 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