[LBo] Link-local.

Steve Hinsley shinsley at cablelynx.com
Fri Feb 2 22:02:02 CET 2007


Geoff Jones wrote:
> I have a small home network using a wired/wireless router as dhcp server.
> On my deb etch machine, I recently noticed I have 2 ip  addresses -
> 192.168.x.x and 169.254.x.x .
> A search revealed the second as a "link-local". I read that link-local was to 
> allow networking where there is no dhcp server? This machine is wired to the 
> router and seems to use the 169 address to link to the other wired machine 
> and use 192 for wireless connections ( I think ) - despite having a dhcp 
> assigned address?

There's a Wikipedia article 
here:http://en.wikipedia.org/wiki/Private_network

The 169.254.x.x range of ip's is used when a network connection can't be 
found. I sounds as if you have both an Ethernet and wireless NIC in that 
machine and one is connecting and the other failing.

Maybe you could run the ifconfig command and check MAC addresses to see 
which is which?

Steve


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