Dapper networking appears to be totally hosed

[Tim Jackson]

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Stephen R Laniel wrote:
> Help me out here, people. I'm running Dapper, and I think
> the recent switch to udev for networking (that's what
> happened, right?) has totally hosed things.
> 
> First, my NICs are constantly changing back and forth:
> sometimes the wireless is eth1 and sometimes it's eth0. I
> suppose this depends on the order in which they come up, but
> it shouldn't, right: I thought that's what iftab(5) and
> ifrename(8) were all about; since my NICs' MAC addresses
> are listed in /etc/iftab, I thought my NICs' names would
> always be the same. The only times they seem to change are
> when Ubuntu is going through big changes, as it was during
> Breezy development and as it is now for Dapper.
> 
> More importantly by far, I keep losing network connectivity
> -- either I'm getting knocked totally offline, or I'm
> getting such slow performance that it just *looks* like
> nothing is happening; I can't tell. If I then do an
> ifdown/ifup, I get back online for a short time. Then the
> connection dies again. I've not followed it up, but I think
> it may be the case that doing
> 
> 1) ifdown
> 2) ifup
> 3) start downloading a very large file
> 
> will keep me online for longer: it's as though the large
> file's download is holding something open that would
> otherwise have closed.
> 
> So what's going on? Why does networking appear to be totally
> screwed?
> 
> 

There is something going on with Dapper networking.  On my dual nic
machine,  after an initial fresh install of dapper flight 3, one card
was seen as eth0, then after applying the post install updates after the
 next reboot the card names where switched.  The mac addresses in
/etc/iftab switched, Each time I reboot the names are switched. So it
takes two reboots to get the eth0 on the nic I am using.
Tim J
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