[CentOS] Networking help
Ray Leventhal
centos at swhi.net
Thu Apr 24 20:54:37 UTC 2008
Les Mikesell wrote:
> Chris Mason (Lists) wrote:
>> Ray Leventhal wrote:
>>>
>>>
>>> I'm no expert, but I'd be the HWADDR values in your
>>> /etc/sysconfig/ifcfg-ethx files need to be updated to reflect the
>>> new MAC addresses of the physical interfaces in the box.
>>>
>>>
>> Done that. The ifcfg-ethX is referencing the right interfaces.
>
> Sometimes ISPs limit the DHCP address(es)to known MAC addresses. If
> that's the case there may be some timeout or a way to reset it.
>
I was actually thinking along the lines of IP/Mac issues and so was
going to ask if the OP had static IP addresses or dynamic ones. With my
colo facility, when I change NICs, I almost always have to ask them to
flush the ARP cache to get traffic flowing.
-R
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