[CentOS] machine with 2 ethernet cards e1000 and forcedeth
Shawn K. O'Shea
shawn at ll.mit.edu
Thu Aug 30 21:10:06 UTC 2007
Jerry Geis wrote:
> I am using centos 5 x86_64 AMD64 X2 4200+. I am current on yum update.
>
> My machine has two ethernet cards. e1000 (eth0) and forcedeth (eth1)
[snip]
> How can I get this connection to RELIABLY come up
> each time as eth0 is e1000 and eth1 is forcedeth
>
> Thanks,
>
> Jerry
>
From the RHEL4 docs (also applicable to C5):
http://www.redhat.com/docs/manuals/enterprise/RHEL-4-Manual/ref-guide/s1-networkscripts-interfaces.html
HWADDR=<MAC-address>, where <MAC-address> is the hardware address of the
Ethernet device in the form AA:BB:CC:DD:EE:FF. This directive is useful
for machines with multiple NICs to ensure that the interfaces are
assigned the correct device names regardless of the configured load
order for each NIC's module. This directive should /not/ be used in
conjunction with MACADDR.
You can get the mac address from running ifconfig. The HWADDR setting
goes in the /etc/sysconfig/network-scripts/ifcfg-eth0 (and ifcfg-eth1)
files. (the setting either doesn't exist, or may be transposed and
causing your problems)
-Shawn
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