I guess I'll have to put another NIC in my laptop to see what happens.

Sam.

Johnny Fulcrum 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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