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Re: ifconfig network resolution (Re: pointers to material for using netbook's wireless as access point)




On Sat, 10 Jun 2017 10:57:47 +0900
Joel Rees <joel.rees@xxxxxxxxx> wrote:

> Experimenting from the command line, I find myself puzzled about the
> arguments for ifconfig.
> 
> Reading the manual, it would appear that the arguments for ifconfig
> should be something like this:
> 
>     ifconfig eth0 netmask 255.255.255.224 netmask 255.255.255.224
> broadcast 10.19.23.223 10.19.23.94
> 
> But the command returns with
> 
> SIOCSIFNETMASK: Can't allocate this address.
> SIOCSIFBRDADDR: Can't allocate this address.
> 
> If I repeat the command, it gives no errors, but the netmask and
> broadcast address end up full class A (255.0.0.0 and 10.255.255.255).
> 
> Anyone have an idea what's happening?
> 

Could you humour me for a moment, and try the exercise with one of the
192.168... networks, with the same sized subnet?

I've seen this kind of behaviour a very long time ago, and I can't
really believe it is still happening, but...

-- 
Joe