[smokeping-users] FPing alternative

[Israel Brewster]

On Apr 17, 2008, at 11:24 AM, Tobias Oetiker wrote:

> Hi Israel,
>
> have you tried looking with wireshark at the network traffic to see
> when is actually happening on the wire ... the fping parameters can
> be somewhat confusing at times ...

Sorry about the delayed response. Things have been crazy at my company  
for the last couple months, and this issue got pushed aside. I think I  
might actually have a moment to breath now :) Anyway, no, I haven't  
looked at the traffic with wireshark. Actually, I've never even heard  
of that tool :P. I'll look into it.

-----------------------------------------------
Israel Brewster
Computer Support Technician
Frontier Flying Service Inc.
5245 Airport Industrial Rd
Fairbanks, AK 99709
(907) 450-7250 x293
-----------------------------------------------
> cheers
> tobi
>
> Today Israel Brewster wrote:
>
>> On Apr 17, 2008, at 8:29 AM, Tobias Oetiker wrote:
>>> Israel,
>>>
>>> the interesting thing to look at, would be why fping does not work
>>> for you, my guess is that you have some kind of firewall which does
>>> something to ping packets ... normal commandline ping does not in
>>> general send as many pings as fping can, since fping pings multiple
>>> hosts in parallel ...
>>
>> Good theory, except that some of the hosts we are monitoring  
>> respond just fine
>> to FPing, and the ones that do and don't respond properly are all  
>> the same
>> type of device (linksys RV082).
>>
>>> Via the probe plugin interface it is possible to write interfaces
>>> for aribtrary ping like tests, since noone else seems to have the
>>> type of problem you are seeing, a probe module for normal ping has
>>> not been written to date ...
>>
>> Well, so much for that idea. Thanks for the info.
>>
>>> for a list of available probes, check out
>>> http://oss.oetiker.ch/smokeping/probe/
>>
>> I've tried echoping as well, but I can't even get that one to  
>> return any
>> results at all, no matter which of the options I choose. None of  
>> the others
>> looked like they would be appropriate, but perhaps I missed  
>> something, so I'll
>> look again. Thanks!
>>
>> -----------------------------------------------
>> Israel Brewster
>> Computer Support Technician
>> Frontier Flying Service Inc.
>> 5245 Airport Industrial Rd
>> Fairbanks, AK 99709
>> (907) 450-7250 x293
>> -----------------------------------------------
>>>
>>>
>>> cheers
>>> tobi
>>>
>>> Today Israel Brewster wrote:
>>>
>>>> Anyone have any ideas here? Or should I start looking for an
>>>> alternative to smokeping entirely? If so, any suggestions? To  
>>>> date, I
>>>> haven't seen any non-commercial options that seem to fill the same
>>>> niche, but maybe I'm just missing something? At any rate, the  
>>>> current
>>>> situation as described below isn't an acceptable option. Thanks!
>>>>
>>>> -----------------------------------------------
>>>> Israel Brewster
>>>> Computer Support Technician
>>>> Frontier Flying Service Inc.
>>>> 5245 Airport Industrial Rd
>>>> Fairbanks, AK 99709
>>>> (907) 450-7250 x293
>>>> -----------------------------------------------
>>>>
>>>>
>>>> On Apr 15, 2008, at 10:04 AM, Israel Brewster wrote:
>>>>> Is there a plugin for smokeping that just does a standard ping,  
>>>>> using
>>>>> the system ping binary? Using FPing I have to give it a  
>>>>> hostinterval =
>>>>> 15.0 directive in order to get any sort of reliable return, and  
>>>>> even
>>>>> then I have to limit the number of pings it sends out to no more  
>>>>> than
>>>>> 6 or so. If I try to shorten the host interval, or increase the  
>>>>> number
>>>>> of pings, I start loosing packets. For example, if I reduce the
>>>>> hostinterval to 10 seconds, I get a maximum of 3 packets back.
>>>>> Obviously, this isn't a viable monitoring scenario.
>>>>>
>>>>> On the other hand, if I just run a standard ping from the command
>>>>> line, it works fine with no lost packets even if I tell it to  
>>>>> send a
>>>>> packet every millisecond rather than every second. As such, I was
>>>>> wondering if there was some way I could just use the standard ping
>>>>> rather than FPing to monitor these hosts? I tried echoping at one
>>>>> point in the past, but it didn't seem to work any better. Thanks!
>>>>> -----------------------------------------------
>>>>> Israel Brewster
>>>>> Computer Support Technician
>>>>> Frontier Flying Service Inc.
>>>>> 5245 Airport Industrial Rd
>>>>> Fairbanks, AK 99709
>>>>> (907) 450-7250 x293
>>>>> -----------------------------------------------
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> smokeping-users mailing list
>>>>> smokeping-users at lists.oetiker.ch
>>>>> https://lists.oetiker.ch/cgi-bin/listinfo/smokeping-users
>>>>
>>>> _______________________________________________
>>>> smokeping-users mailing list
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>>>>
>>>>
>>>
>>> --
>>> Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten
>>> http://it.oetiker.ch tobi at oetiker.ch ++41 62 213 9902
>>
>
> -- 
> Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten
> http://it.oetiker.ch tobi at oetiker.ch ++41 62 213 9902