Re: DHCP problem where ip address is assigned to wrong NIC on reboot
On Tue, Jun 21, 2005 at 10:44:05PM -0400, Derrick Hudson wrote:
> On Tue, Jun 21, 2005 at 05:32:01PM -0700, Xeno Campanoli wrote:
> | I got a real whacky one. This old machine I've got has two NICs, and during
> | install I assign eth1 to be the one used, and it gets the ip address from
> | DHCP. Well, after the reboot, that same IP address is assigned to eth0, and
> | I get no network. I've solved this by switching the cable over and rebooting,
> | but it sounds like a bug, so I thought I'd mention it. The machine I'm running
> | is an old thing with 92 meg of memory, but presumably it's not the memory that
> | is confusing DHCP, but just the two NICS. Perhaps nobody has two NICs anymore?
>
> I have two NICs in several machines. The only time I've seen anything
> similar is when the system doesn't detect the cards in the same order
> each time it boots and so the cards are assigned the labels 'eth0' and
> 'eth1' different.
>
> In that case, the solution is simple: install the 'ifrename' package,
> read the documentation, and create a suitable /etc/iftab file. Using
> this approach you can assign the NICs meaningful names (ie 'lan' or
> 'wan' or whatever) based on the MAC address (or base I/O for ISA
> cards). This ensures that the cards are identified properly,
> regardless of how many you have and which one(s) are available at boot
> time and what order the kernel loads the driver(s) for them. Then you
> use this meaningful name in all your configuration files and can be
> assured the correct NIC will be used.
Is PnP disabled in bios?
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--
Chris.
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