[smokeping-users] fping and tos

[Tobias Oetiker]

Hi Dez,

Today Dez wrote:

> Hello Tobi,
>
> On 08/27/2010 02:27 PM, Tobias Oetiker wrote:
> > Hi Dez,
> >
> > Yesterday Dez wrote:
> >
> >
> > > On 07/13/2010 06:52 PM, Pete Hoffswell wrote:
> > >
> > > > Hello -
> > > >
> > > > I have installed the updated fping called fping-2.4b2_to4-ipv6  and
> > > > upgraded my FPing.pm from svn, but I still get an error message when
> > > > attempting to modify my configuration to use the fping tos =
> > > > directive.
> > > >
> > > > fping -O works.
> > > > path looks good for fping in config
> > > >
> > > > ERROR: /usr/local/smokeping/etc/config, line 194: unknown variable 'tos'
> > > >
> > > > Has anyone been successful in getting fping probe with tos to work?
> > > >
> > > >
> > > >
> > > Are you sure that the version of FPing.pm you're using supports the "-O"
> > > option of FPing?
> > >
> > > In any case, I too think that the -O option would be a  very helpful
> > > addition to the FPing probe (using CiscoRTT stuff can be quite
> > > problematic)
> > >
> > look at
> >
> > http://oss.oetiker.ch/smokeping/pub/trunk/smokeping-svn-snap.tar.gz
> >
> > you can pull it from there ....
> >
> >
>
> that's great, thanks!
> For our production systems, I had already patched FPing.pm but since "tos" was
> a probe-specific variable, I basically created many FPing probes like:
>
> +FPing
> binary = /usr/local/sbin/fping
> blazemode = true
> pings = 10
>
> ++FPingNorm
>
> ++ FPingGold
> tos = 0x30
>
> ++ FPingSilver
> tos = 0x60
>
> Is there no way to make "tos" a target-specific variable? (although, I guess
> you'd lose in parallelization and speed)

what you did is exactly right for fping ... since it does not
modify tos per target ...

cheers
tobi


-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900