On Thu, 8 Jul 1999, Mark Johnson wrote:
> > > start tap0: SIOCSIFMETRIC: Operation not supported
> > > start tap0: SIOCADDRT: File exists
>
> I don't believe these can accurately be called 'normal'. They come from init
> scripts which invoke 'route add ...' with bad parameters.
>
> So, I would characterize these messages as indicators of a (probably harmlessly)
> misconfigured system.
These are normal. They are not from init scripts, they are not from
"bad" parameters and they are not indications of a misconfigured
system. They nothing to worry about (usually :-) ).
SIOCSIFMETRIC is generated when diald invokes ifconfig passing
it a "metric" option. Diald does this in the vague hope that it
may be running on a kernel that supports interface metrics. If it
is the metric will be set on the interface so it is there for
things like routed that might be paying attention. Interface
metrics have been dropped from more recent Linux kernels.
SIOCADDRT is generated when diald invokes route to add routes
through an interface. Diald does this because older kernels
needed routes to be set up by hand. Newer kernels automatically
create routes when interfaces are configured - hence the EEXISTS
error when diald tries.
It's simply easier to try these things and get some noise if
they weren't actually needed than it is to try and work out if
we even need to try them :-).
Mike
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