Problem setting up wired networking

Anne Wilson cannewilson at googlemail.com
Wed Nov 12 19:10:05 UTC 2008


Somehow my reply got split into two messages, so here is the other half

On Wednesday 12 November 2008 17:59:17 Michal Jaegermann wrote:
> On Wed, Nov 12, 2008 at 10:24:21AM +0000, Anne Wilson wrote:
> > However, since that address is set
> > both in NM and on the router's dhcp I don't know which is prevailing.
>
> You should not reserve an address for an interface on your DHCP
> server and at the same time attempt to give it a specific address.
> It will get one anyway but in a DHCP lease.  Maybe this is causing
> an appearance of this "ghost" eth1 interface which you are talking
> about?
>
I doubt it, because it was so before I reserved an address on the router.  
Today I found in dmesg that

udev: renamed network interface eth0 to eth1.

I didn't see anything that amounted to a reason for that.

> In any case if an interface is configured to use DHCP then any
> specific address assignments in its configuration file are ignored
> (or at least they should be).
>
The wired interface is set to static, and appears to be working fine now.  
It's the wireless that is using dhcp (or would be, if I could connect) and 
it's for that interface that I've reserved an address.

> OTOH I recall that on some occassion NetworkMangler crashed on me
> and later it was so entangled in its own junk that it could not find
> a way out.  That will be that bug report:
> https://bugzilla.redhat.com/show_bug.cgi?id=413281
> See in particular comments #10 and #11 how I eventually forced it to
> find correct interfaces as otherwise NM was terminally lost.  I have
> no idea if this still applies.  In case that it does then reopen the
> bug.
>
>    Michal

Anne
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