[CoLoCo] odd network interface

Kenneth D Weinert kenw at quarter-flash.com
Fri Aug 31 15:35:18 BST 2007


I know that when I first installed Feisty on my laptop I was having
problems with the wifi and I wondered what the eth0:avah stuff was all
about.

I've the wifi sorted now, but it did seem to be the default installation
- it's not something I chose, at any rate.

On Fri, 2007-08-31 at 08:27 -0600, David Overcash wrote:
> Avahi support is included by default in Feisty and later releases
> AFAIK.
> 
> -David
> 
> On 8/30/07, Jim Hutchinson <jim at ubuntu-rocks.org> wrote:
>         Thanks for the info. However, I never installed avahi on that
>         laptop and no other computer (including laptops) has it. How
>         did it get there? 
>         
>         
>         On 8/30/07, NICK VERBECK <nerdynick at gmail.com> wrote:
>                 Its used by Avahi. (eth0:avahi) would be the full
>                 name. I'm guessing 
>                 Avahi uses it to keep thing separate.
>                 
>                 On 8/30/07, Jim Hutchinson <jim at ubuntu-rocks.org>
>                 wrote: 
>                 > Okay, here is something odd I just discovered. I was
>                 reconfiguring my 
>                 > wireless security tonight and while setting up my
>                 wife's laptop I ran
>                 > ifconfig. In addition to eth0 (the wired interface)
>                 and eth1 (the wireless
>                 > interface) I found this entry:
>                 >
>                 > eth0:avah Link encap:Ethernet  HWaddr
>                 00:12:3F:FA:01:DB 
>                 >           inet
>                 addr:169.254.7.202  Bcast:169.254.255.255  Mask:
>                 255.255.0.0
>                 >           UP BROADCAST
>                 MULTICAST  MTU:1500  Metric:1 
>                 >           Interrupt:11
>                 >
>                 > Now, the laptop connects to the network wirelessly
>                 so eth0 isn't doing
>                 > anything. What I'd like to know is what the heck
>                 eth0:avah is and how it has
>                 > an address. Even more interesting is that I can ping
>                 that address from the 
>                 > laptop.
>                 >
>                 > Has anyone seen anything like this before? Any ideas
>                 what it is? My first
>                 > paranoid reaction was that someone had set up an ad
>                 hoc connection but it's
>                 > on the wrong adapter (wired) and as far as I know it
>                 was never running any 
>                 > service that would allow this anyway. Avahi came to
>                 mind because of the
>                 > similar name (eth0:avah) but I never set that up and
>                 my wife doesn't have
>                 > sudo rights.
>                 >
>                 > Thanks.
>                 > Jim 
>                 >
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Ken Weinert
http://quarter-flash.com

Please avoid sending me Word or PowerPoint attachments
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