DHCP trouble with cable modem

[Steven Stern]

Mikkel L. Ellertson wrote:
> Frank Cox wrote:
>> On Tue, 05 Feb 2008 07:09:07 +1030
>> Tim <ignored_mailbox at yahoo.com.au> wrote:
>>
>>> More than the MAC is used, or can be used, to determine what to dole out
>>> using DHCP.
>>
>> "Can be" and "are" are two different things.  He is dealing with the DHCP
>> server that's operated by his ISP, so he's probably stuck with 
>> whatever they
>> choose to run on that end and must find a way to accommodate it.
>>
> One thing that may help is if he specifies a DHCP_HOSTNAME is the 
> ifcfg-<interface> file. I believe the GUI offers this option. If not, 
> you can edit the file yourself. But you will probably have to find what 
> the Windows box is using.
> 
> Mikkel
> 

I've found that it's necessary to power cycle the comcast cable modem 
whenever I change the device directly connected to it. It tends to 
ignore DHCP requests if one computer is unplugged and other is plugged 
in, whether Windows or Linux or a router.