Figured out the second part about dhcp - the Lanforge server I'm running  
was mucking with routes...

The MAC address part is still a mystery though... :/



On Tue, 27 Apr 2004 08:22:14 -0500, Johnny Fulcrum  
<johnnyfulcrum at mn.rr.com> wrote:

>
> I'm having a bear of a time with Fedora yarrow and networking on a  
> laptop.  I'm on a dell using:
>
> Xircom pcmcia NIC/modem using xircom_cb
> builtin 3com 3c556 using 3c59x driver
>
>
> Yesterday, somehow while I was manually setting up which interface  
> should be eth0/eth1 and setting the driver aliases etc, both NICs got  
> the same MAC address.  ifconfig as well as "ip -o link show" reported  
> the NICs having the same MAC addr.  I searched the system for anything  
> that would be setting it and found nothing.  all of the ifcfg-eth*   
> scripts in /etc/sysconfig were not setting hwaddr, the  
> redhat-config-network gui also showed them having the same hwaddr, even  
> when using the "bind to MAC addr" button and the "probe" button.  I  
> deleted both interfaces using the network gui config tool and recreated  
> them - no dice - still had the same addr.
>
> I finally broke down and reinstalled.  during the install I set one NIC  
> (eth0) up to use dhcp and be active on boot The other (eth1) is static  
> (0.0.0.0) and and active at boot.  They now have unique MAC address.
>
> So my question is:  What does the installer do to get the REAL MAC  
> address  from the hardware?  Is there a command or utilitiy to probe NIC  
> hardware and get the MAC?
>
> Now that I have reinstalled, I get unique MAC addr, but the networking  
> isn't working after a boot until I do a "service network restart"...   
> the network restart seems to do a couple of things:
>
> 1) It will get me an appropriate ip address for the network I'm on.   
> Most of the time upon reboot, I get the IP address that the last dhcp  
> server gave me - like a 192.168.0.100 address even though I'm on a  
> 10.1.103.x address.
>
> 2) It will add a default route.
>
> I don't understand why it doesn't do this at boot time.  Any place I can  
> start checking for errors?
>
> thanks
> johnnyf
>
>
>
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