On Wed, 12 Jun 2002, Toralf Lund wrote: > [ ... ] > >> Is there anything else I must do to get rid of the packet filters? Or > >> could the DHCP failure have a different cause? > > It turns out that the host doesn't get the address properly when booting > > with the network installation CD (no, I wasn't going to re-install, I > > just wanted to test a different DHCP client. Really. I'm not a Windows > > user, after all), which I think rules out any client config problems. > > > > In other words, there must be a problem with the hardware, the server, > > or the routing on the network, but what might cause this kind of > > behaviour? Is there any way a broken network card or similar could give > > results like this? (I'll try replacing some of the hardware tomorrow, I > > guess.) > > > > Note that I've also tried removing the host's "fixed-address" entry from > > the server config, so that an IP-address would be assigned from the > > dynamic pool, but I got exactly the same result when I did. > I've now tested a bit more, and it turns out that everything works just > fine if the host is connected to our other switch (we have two "main" ones > that are linked together.) In other words, it looks like the DHCP response > is lost somehow in or between the switches. I'm pretty sure that the > switch is the problem, and not the cables etc. as I've swapped around > everything a lot. Also, if I move the connection back after the network is > started, all communication with other hosts appear to work just fine, and > 'ping -f' to the DHCP server reports 0% packet loss, so it's just the DHCP > response that goes astray; everything else is transferred correctly, as > far as I can tell. > > Can anyone explain this?
Yes. Some switches and cards can not properly autonegotiate their mutual connections...in those cases, you have to manually configure the card to talk in a specific manner... _______________________________________________ Redhat-list mailing list [EMAIL PROTECTED] https://listman.redhat.com/mailman/listinfo/redhat-list
