Re: Fedora "Netstat -rn" reports an extra entry "169.254.0.0 ...."

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Am Di, den 20.04.2004 schrieb Benno Goedhart um 23:13:
> Guolin Cheng wrote:
> > Hi, all,
> > 
> >  
> > 
> >  I got an additional entry when I run “netstat –rn” on my fedora host, 
> > an “169.254.0.0 …” entry appears without being invited. I know that 
> > 169.254.0.0/16 is a private address block for some kind of special 
> > purposes, and it appears in “ifup” script, But my question is: what does 
> > this entry mean?  And How to get rid of it if it does nothing except 
> > bring security holes? Since it is routable now through my hosts’ exneral 
> > interface, ridicules..
> 
> It means you have an additional network card, without an active 
> connection. The card tries to retrieve an IP address from a DHCP server 
> which is supposedly not present. Then this address will be assigned to it.
> 

No, I think this is incorrect.

It's a zeroconf route. The 169.254 network is used for devices like
mobile phones, handhelds, laptops etc. For example my SonyEriccson T610
always uses the same ip inside this block.

Have a look at http://www.zeroconf.org/

To turn of this behaviour use 

NOZEROCONF=yes

in /etc/sysconfig/network (for the whole network) or in
/etc/sysconfig/networking/devices/ifcfg-ethX (only one device)

CHristoph




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