Re: IF still up after ifconfig down

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On Saturday 11 October 2003 18:15, Bostjan Skufca (at) domenca.si wrote:
> > > it does not release assigned address until one set ip manually to
> > > 0.0.0.0
> > I know, but you're in for a real headache if you're trying to reach an ip
> > somewhere else which has previously been used on the computer you're on.
> > Besides, where's the logic in being able to use a down interface. Why
> > have an if up/down at all then?
> indeed it seems pointless, yet it was not indended so - or so i perceive
> it... i just posted the solution for which i banged my head for couple of
> hours until ifconfig -a showed me that interface was still holding that
> address...
> and as that machine is router it was unable to reach that address from
> private network also

Sounds pretty much what I experienced. One sysadmin here had been testing some 
loopback routing through fiber and fwa. A couple of days later I needed to 
set up the network for an external customer. I couldn't reach the server, 
though I got ping replies. Couldn't see any echo requests etc. on the 
receiving server's nic. I couldn't figure out what was going on until I 
noticed the 0ms replies and got suspicious.

Anyway, I just figured this obviously had to be a bug and felt like barfing 
here.

- -- 
Regards,
Tais M. Hansen
OSD

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