[smokeping-users] FPing alternative

[Israel Brewster]

On Apr 20, 2008, at 3:34 PM, Igor Petrovski wrote:

> Check for a duplex mismatch on the ethernet interface of the smokeping
> server.
>
> I've been running smokeping for years, monitoring ~100 satellite links
> and fping works great.

So it's probably not the satellite link then :-) Duplex is set to auto- 
negotiate, which in tern sets it to full-duplex. I tried manually  
setting the links down to half-duplex as well, but this didn't seem to  
help any.

-----------------------------------------------
Israel Brewster
Computer Support Technician
Frontier Flying Service Inc.
5245 Airport Industrial Rd
Fairbanks, AK 99709
(907) 450-7250 x293
-----------------------------------------------
>
>
>
> Israel Brewster wrote:
>> On Apr 17, 2008, at 8:58 AM, Peter Kristolaitis wrote:
>>
>>> -----BEGIN PGP SIGNED MESSAGE-----
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>>> Since satellite are typically high-latency, high-loss links, have  
>>> you
>>> considered tweaking the FPing probe's behaviour to take that into
>>> account?
>>>
>>> http://oss.oetiker.ch/smokeping/probe/FPing.en.html
>>>
>>> Specifically look at the hostinterval, mininterval, and timeout
>>> settings....
>>>
>>
>> Yeah. As I mentioned in my original post, setting the hostinterval
>> does alleviate, to some extent, the issues I'm seeing- but only if I
>> set it up to 15 SECONDS or higher (not milliseconds), thus resulting
>> in an essentially unusable probe. Ping shows RTA's of around 600 ms
>> typically. I have the timeout set to 2 seconds, which is well more
>> than the latency I typically see, but even so that would only affect
>> the last packet or two, and I never get more than two or three  
>> packets
>> back total, regardless of how many I send out. And ping shows no  
>> loss-
>> just FPing which shows 100% loss after the first few packets (few
>> defined by how high I set the hostinterval for). Thanks for the
>> response though :)
>>
>> -----------------------------------------------
>> Israel Brewster
>> Computer Support Technician
>> Frontier Flying Service Inc.
>> 5245 Airport Industrial Rd
>> Fairbanks, AK 99709
>> (907) 450-7250 x293
>> -----------------------------------------------
>>
>>>
>>> Israel Brewster wrote:
>>> | These are WAN lines, typically out in the bush and running over
>>> | satellite links, so I could very easily entertain the notion that
>>> | there is something wrong with the line :) Thus the reason I was
>>> | looking for a standard ping, which does work. According to Tobias,
>>> | though, this is not available. Hmmm.
>>> |
>>>
>>> - --
>>> Peter Kristolaitis
>>> DBA / Code Monkey / General Geek
>>>
>>> OpenPGP/GPG Key available from pgp.mit.edu
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>>
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