[smokeping-users] Satellite link - Packet Loss error

Tobias Oetiker tobi at oetiker.ch
Wed Oct 10 17:32:59 CEST 2007

Hi Chris,

Today Chris Wilson wrote:

> Hi Tobias,
> On Wed, 10 Oct 2007, Tobias Oetiker wrote:
> > you can also just set the timeout property in the smokeping config
> > file for the FPing probe. Note that the timeout is configured in
> > seconds there !
> Sorry, I can't find the code that passes that parameter to fping, please
> could you enlighten me?

search for timeout in

> > The problem with the timeout is that if you set it to 10s and you
> > do not actally have links whith this propperty, then every lost
> > packet will cause fping to wait for 10 seconds which can hurt
> > performance ...
> My version of fping doesn't seem to do that. It just waits for 10 seconds
> after sending the last ping to ensure that it's received any
> replies/duplicates/etc. that it's going to see.

yes and if a packet is actually lost, then fping will have to wait
for 10s to see if this is the case ...


> Cheers, Chris.

Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten
http://it.oetiker.ch tobi at oetiker.ch ++41 62 213 9902

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