That's good - but just because it's supported at the chipset level doesn't necessarily mean the ubnt firmware or sdk supports it. In any case we were working with the original a/g nano's and bullets, not the M series. The M is way too new and bleeding edge for us.
Tom S. ----- Original Message ----- From: "Michael Baird" <[email protected]> To: "Tom Sharples" <[email protected]>; "WISPA General List" <[email protected]> Sent: Sunday, December 20, 2009 11:02 AM Subject: Re: [WISPA] Ubiquiti ready for prime time? > Tom, > > Try again, Ubiquity AR71xx based stuff (all the M series) supports a > hardware watchdog fine. > > from dmesg via OpenWRT. > Atheros AR71xx hardware watchdog driver version 0.1.0 > > Regards > Michael Baird > >> A hardware watchdog timer, typically, watches only one thing - is the >> software and/or CPU still alive? If a software pinger fails to reset a >> hardware counter or timer every few seconds or so, the timer reaches the >> end >> of its count and resets the motherboard. It is a failsafe if everything >> else >> goes wrong - something that happens more often than one would like when >> you're using developmental drivers. Software watchdogs are a poor >> substitute >> for obvious reasons - if the software or CPU is completely hung, the >> software watchdog won't work either! >> >> Tom S. >> >> ----- Original Message ----- >> From: "Mark Stephenson" <[email protected]> >> To: "WISPA General List" <[email protected]> >> Sent: Sunday, December 20, 2009 4:12 AM >> Subject: Re: [WISPA] Ubiquiti ready for prime time? >> >> >> >>> 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" <[email protected]> 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: [email protected] >>>> 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" [email protected] 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" <[email protected]> >>>> To: <[email protected]>; "'WISPA General List'" >>>> <[email protected]> >>>> 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: [email protected] [[email protected]] On >>>>> Behalf Of [email protected] >>>>> 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 [email protected] 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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