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

Benno Goedhart benno at truesurfer.net
Tue Apr 20 21:28:50 UTC 2004


Mike Hogsett wrote:
>>> 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.
> 
> 
> I don't think that is the case.  In my situation the machine has a single
> network card, eth0, with static addressing, yet there is indeed the route
> to 169.254/16 out eth0.  This is what the OP was questioning.

I do think this is the case, since this route is assigned to eth1 
according to his routing table.





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