On Tuesday 11 November 2008 20:36:26 Michal Jaegermann wrote: > On Tue, Nov 11, 2008 at 07:39:36PM +0000, Anne Wilson wrote: > > On Tuesday 11 November 2008 17:31:22 Michal Jaegermann wrote: > > > On Tue, Nov 11, 2008 at 07:40:14AM +0000, Anne Wilson wrote: > > > > Networking is the one aspect of Fedora that always confuses me. > > > > It seems to me that on a laptop I want/need NetworkManager to work > > > > with wifi wherever I am working. > > > > > > Usually wifi gets its addresses through DHCP and you want for > > > that NetworkManager running. > > > > > > > OTOH, at home I would generally want to work with wired. > > > > > > If you are in control of a corresponding DHCP server (a big IF) then > > > the the easiest way is to, _on that server_, lock up a particular IP > > > number to a MAC address of a wired interface of your laptop, > > .... > > > My router does handle dhcp, and yes, you can reserve addresses. > > Very good. > > > Unfortunately > > it seems to be aware of the present conflict. It lists the new laptop > > with the dhcp address, but when I tell it that I want it to reserve a > > different address (the one that I gave to NM) it tells me that that > > address already exists. > > I think that you misconfigured something. > > On your router: > - ask it to give always the same address for a specific MAC > (which will be a MAC of a wired interface of your laptop) > - that address you want to reserve should be from a pool of > addresses which your router gives out via DHCP > - if this is a wireless router then you can reseve an address for > your laptop wifi interface too and that will be a different MAC > and a different address than above I would try this again, but since I have lost the wifi altogether I don't have a mac address to give it. It does, however, see the cabled connection at the address I gave NM. > On your laptop: > - configure your wired interface to be handled by DHCP and that > means that you do NOT give any specific address; it will always > get one you reserved on your router anyway > - let NM handle all interfaces; i.e. 'BOOTPROTO=dhcp' and > 'NM_CONTROLLED=yes' for every interface configuration file. > - 'service network stop; chkconfig network off' and make sure > that NM service is on and running > > That is the simplest and the most flexible - in a sense. It only > depends on capabilities of your DHCP server but you are telling that > yours is "good enough". > > Your router, quite sensibly, may not like to reserve an address > which is already in use; especially if it was not given out by a > DHCP lease. It sounds like a resonable sanity checking. :-) > > > If I reserve the address I could use dhcp. I want a static > > address, one way or another, so that when I read the logs I know > > which computer it is referring to. > > Nominally this address will be not "static" as it will require > a DHCP lease; but with the above it will be always the same. > Practically, the same, so I'd be happy with that. Anne
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